评论添加图片

Class/LearningCenter/ComprehensiveDiscussion/Cells/CommentListTableViewCell.m

@@ -7,7 +7,10 @@
 //
 
 #import "CommentListTableViewCell.h"
-
+#import "MWPhotoBrowser.h"
+@interface CommentListTableViewCell ()<MWPhotoBrowserDelegate>
+@property (nonatomic,strong) NSMutableArray *browserArray;
+@end
 @implementation CommentListTableViewCell
 
 - (void)awakeFromNib {
@@ -23,6 +26,7 @@
     
     for (UIImageView  *obj in self.attachmentView.subviews) {
         if ([obj isKindOfClass:[UIImageView class]]) {
+            obj.userInteractionEnabled = YES;
             UITapGestureRecognizer *tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapImage:)];
             [obj addGestureRecognizer:tap];
         }
@@ -30,7 +34,38 @@
 }
 
 - (void)tapImage:(UIGestureRecognizer *)tap {
-    NSLog(@"%lu", tap.view.tag);
+    if (tap.view.tag + 1 > self.replyEntity.attachments.count) {
+        return;
+    }
+    
+    [self.browserArray removeAllObjects];
+    for (TOAttachmentEntity *att in self.replyEntity.attachments) {
+        MWPhoto *photo = [MWPhoto photoWithURL:[NSURL URLWithString:att.fileUrl]];
+        [self.browserArray addObject:photo];
+    }
+    MWPhotoBrowser *browser = [[MWPhotoBrowser alloc] initWithDelegate:self];
+    [browser setCurrentPhotoIndex:tap.view.tag];
+    UINavigationController *nav = [[UINavigationController alloc] initWithRootViewController:browser];
+    [self.viewController.navigationController presentViewController:nav animated:YES completion:nil];
+}
+
+#pragma mark - <MWPhotoBrowserDelegate>
+- (NSUInteger)numberOfPhotosInPhotoBrowser:(MWPhotoBrowser *)photoBrowser
+{
+    return self.browserArray.count;
+}
+
+- (id<MWPhoto>)photoBrowser:(MWPhotoBrowser *)photoBrowser photoAtIndex:(NSUInteger)index
+{
+    if (index < self.browserArray.count) {
+        return [self.browserArray objectAtIndex:index];
+    }
+    return nil;
+}
+
+- (NSString *)photoBrowser:(MWPhotoBrowser *)photoBrowser titleForPhotoAtIndex:(NSUInteger)index
+{
+    return [NSString stringWithFormat:@"%ld/%ld", index + 1, self.browserArray.count];
 }
 #pragma mark - 选项按钮
 - (IBAction)extensionButtonClickAction:(UIButton *)sender {
@@ -59,6 +94,26 @@
     self.bestView.isBest = _replyEntity.best;
     self.bestView.indexPath = self.indexPath;
     self.baseImageView.hidden = !_replyEntity.best;
+    if (replyEntity.attachments.count > 0) {
+        self.layoutAttHeight.constant = 164;
+    }else{
+        self.layoutAttHeight.constant = 0;
+    }
+    
+    for (NSInteger i = 0; i < replyEntity.attachments.count; i++) {
+        TOAttachmentEntity *att = replyEntity.attachments[i];
+        UIImageView *imgView = (UIImageView *)[self.attachmentView viewWithTag:i];
+        [imgView sd_setImageWithURL:[NSURL URLWithString:att.fileUrl] placeholderImage:REPLACEIMAGE];
+    }
+}
+
+#pragma mark - lazy
+- (NSMutableArray *)browserArray
+{
+    if (!_browserArray) {
+        _browserArray = [NSMutableArray array];
+    }
+    return _browserArray;
 }
 
 @end

Class/LearningCenter/ComprehensiveDiscussion/Controllers/ForumItemDetailViewController.m

@@ -16,6 +16,8 @@
 #import "ZJKeyBoardAccessoryView.h"
 #import "ForumDetailBottomView.h"
 #import "OSSHelper.h"
+#import "ForumCommentListViewModel.h"
+#import "UIImage+Helper.h"
 @interface ForumItemDetailViewController ()<UITableViewDelegate,UITableViewDataSource,UITextFieldDelegate,TapClickDelegate,ReturnTableviewcellIndexpathdelegate>
 
 
@@ -170,7 +172,12 @@
                 weakSelf.commentsArray = nil;
             }
             weakSelf.topicReply = [[ForumReplyResponse alloc] initWithDictionary:RESPONSE(returnValue) error:nil];
-            [weakSelf.commentsArray addObjectsFromArray:weakSelf.topicReply.forumReplyEntity];
+            for (CustomTOForumReplyEntity *entity in weakSelf.topicReply.forumReplyEntity) {
+                ForumCommentListViewModel *model = [ForumCommentListViewModel new];
+                model.replyEntity = entity;
+                [weakSelf.commentsArray addObject:model];
+    
+            }
             [weakSelf setUpCommentNumber];
             [weakSelf.forumDetailTableView reloadData];
         }else {
@@ -230,7 +237,8 @@
     CommentListTableViewCell *commentCell = [tableView dequeueReusableCellWithIdentifier:@"CommentListTableViewCell" forIndexPath:indexPath];
     commentCell.bestView.delegate = self;
     commentCell.indexPath = indexPath;
-    commentCell.replyEntity = self.commentsArray[indexPath.row];
+    ForumCommentListViewModel *cellModel = self.commentsArray[indexPath.row];
+    commentCell.replyEntity = cellModel.replyEntity;
     BOOL boolValue = ([self.topicDetail.posterId isEqualToString:[Shoppersmanager manager].shoppers.employee.fid] && [self.category.name isEqualToString:OPPLE_ASK]);
     commentCell.optionButton.hidden = !boolValue;
     return commentCell;
@@ -256,9 +264,9 @@
         }
             break;
     }
-    CustomTOForumReplyEntity *replyEntity = self.commentsArray[indexPath.row];
+    ForumCommentListViewModel *cellModel = self.commentsArray[indexPath.row];
     //68为上边距   10为下边距
-    return replyEntity.replyContentHeight + 68 + 10;
+    return cellModel.height;
 }
 
 - (void)tableView:(UITableView *)tableView didEndDisplayingCell:(UITableViewCell *)cell forRowAtIndexPath:(NSIndexPath *)indexPath
@@ -309,10 +317,13 @@
 #pragma mark - 上传图片附件
 - (void)uploadAttachments:(void(^)(NSArray *OSSKeys))finish
 {
-    
+    if (self.bottomView.toolView.arrSelectedPhotos.count == 0) {
+        finish(nil);
+        return;
+    }
     NSMutableArray *OSSKeyArray = [NSMutableArray array];
     for (int i=0; i<self.bottomView.toolView.arrSelectedPhotos.count; i++) {
-        [OSSKeyArray addObject:[OSSHelper getOSSObjectKeyWithtype:@"png" index:i]];
+        [OSSKeyArray addObject:[OSSHelper getOSSObjectKeyWithtype:@"jpg" index:i]];
     }
     XBLoadingView *loadView = [XBLoadingView showHUDViewProgressLabel:[NSString stringWithFormat:@"图片上传中:1/%ld",self.bottomView.toolView.arrSelectedPhotos.count]];
     static NSInteger number = 0;
@@ -321,7 +332,8 @@
         for (int i=0;i<self.bottomView.toolView.arrSelectedPhotos.count;i++) {
             UIImage *image = self.bottomView.toolView.arrSelectedPhotos[i];
             NSString *ossKey = OSSKeyArray[i];
-            NSData *data = UIImagePNGRepresentation(image);
+            UIImage *newSizeImage = [image scaledToWidth:1024];
+            NSData *data = [newSizeImage scaledToSpaceMaxSize:200];
             [OSSHelper uploadImageObjectWithKey:ossKey data:data type:OSSHelperOperationTypeSynchronous progress:^(int64_t bytesSent, int64_t totalBytesSent, int64_t totalBytesExpectedToSend) {
                 CGFloat totalBytesSentFloat = totalBytesSent;
                 CGFloat totalBytesExpectedToSendFloat = totalBytesExpectedToSend;
@@ -394,6 +406,7 @@
         [XBLoadingView hideHUDViewWithDefault];
         if (RESULT(returnValue)) {
             weakSelf.commentInputTextFieldView.text = nil;
+            [weakSelf.bottomView clearPhoto];
             [XBLoadingView showHUDViewWithSuccessText:@"评论成功" completeBlock:^{
                 if (weakSelf.refreshBlock) {
                     weakSelf.refreshBlock(ONE,Comment,weakSelf.indexPath);

Class/LearningCenter/ComprehensiveDiscussion/ViewModels/ForumCommentListViewModel.h

+//
+//  ForumCommentListViewModel.h
+//  Lighting
+//
+//  Created by Javen on 2017/4/18.
+//  Copyright © 2017年 上海勾芒科技有限公司. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+@interface ForumCommentListViewModel : NSObject
+/**
+ 回复数据源
+ */
+@property (nonatomic,strong) CustomTOForumReplyEntity *replyEntity;
+
+@property (nonatomic, assign) CGFloat height;
+@end

Class/LearningCenter/ComprehensiveDiscussion/ViewModels/ForumCommentListViewModel.m

+//
+//  ForumCommentListViewModel.m
+//  Lighting
+//
+//  Created by Javen on 2017/4/18.
+//  Copyright © 2017年 上海勾芒科技有限公司. All rights reserved.
+//
+
+#import "ForumCommentListViewModel.h"
+static UILabel *stringLabel = nil;
+@implementation ForumCommentListViewModel
+
+- (void)setReplyEntity:(CustomTOForumReplyEntity *)replyEntity {
+    _replyEntity = replyEntity;
+    self.height = 88;
+    if (replyEntity.attachments.count > 0) {
+        self.height = 88 + 164;
+    }
+    
+    
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{ //生成一个用于计算文本高度的label
+        stringLabel = [[UILabel alloc] init];
+        stringLabel.font = [UIFont systemFontOfSize:17];
+        stringLabel.numberOfLines = 0;
+    });
+    stringLabel.text = replyEntity.replyContent;
+    self.height = self.height + [stringLabel sizeThatFits:CGSizeMake(ScreenWidth - 40, MAXFLOAT)].height + 16;
+    NSLog(@"%f", self.height);
+}
+@end

Class/LearningCenter/ComprehensiveDiscussion/Views/ForumDetailBottomView.h

@@ -16,4 +16,6 @@
  */
 @property (strong, nonatomic) ZJKeyBoardAccessoryView *toolView;
 @property (weak, nonatomic) IBOutlet NSLayoutConstraint *layoutHeight;
+
+- (void)clearPhoto;
 @end

Class/LearningCenter/ComprehensiveDiscussion/Views/ForumDetailBottomView.m

@@ -54,6 +54,10 @@
     return cell;
 }
 
+- (void)clearPhoto {
+    [self.toolView deleteAll];
+}
+
 /*
 // Only override drawRect: if you perform custom drawing.
 // An empty implementation adversely affects performance during animation.

Class/LearningCenter/ComprehensiveDiscussion/Views/ZJKeyBoardAccessoryView.h

@@ -13,5 +13,15 @@
 @property (strong, nonatomic) NSMutableArray *arrSelectedPhotos;
 @property (nonatomic, copy) void (^blockFinishSelected)(void);
 
+/**
+ 删除指定下标的图片
+
+ @param index 下标
+ */
 - (void)deletePhotoWithIndex:(NSInteger)index;
+
+/**
+ 删除所有的图片
+ */
+- (void)deleteAll;
 @end

Class/LearningCenter/ComprehensiveDiscussion/Views/ZJKeyBoardAccessoryView.m

@@ -28,7 +28,7 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
 @property (strong, nonatomic) NSMutableArray *allPhotoArray;
 
 /**
- <#Description#>
+ 
  */
 @property (strong, nonatomic) NSMutableArray *mwPhotoArray;
 
@@ -36,6 +36,7 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
  缩略图
  */
 @property (strong, nonatomic) NSMutableArray *thumbsArray;
+@property (strong, nonatomic) NSMutableDictionary *cache;
 @end
 @implementation ZJKeyBoardAccessoryView
 
@@ -100,10 +101,14 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
 
 #pragma mark - <UIImagePickerControllerDelegate>
 - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *, id> *)info {
-    //    [self.navigationController dismissViewControllerAnimated:YES completion:nil];
+        [picker dismissViewControllerAnimated:YES completion:nil];
     UIImage *headImage = [info objectForKey:UIImagePickerControllerOriginalImage];
     //    [self.selectedImageArray addObject:headImage];
     //    [self.publishTableView reloadData];
+    [self.arrSelectedPhotos addObject:headImage];
+    if (self.blockFinishSelected) {
+        self.blockFinishSelected();
+    }
 }
 
 #pragma mark - 相册选择照片
@@ -132,19 +137,9 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
 
 - (void)photoBrowser:(MWPhotoBrowser *)photoBrowser photoAtIndex:(NSUInteger)index selectedChanged:(BOOL)selected {
     PHAsset *currentPhoto = self.allPhotoArray[index];
-    if (selected) {
-        [self.arrSelectedAssets addObject:currentPhoto];
-    } else {
-        [self.arrSelectedAssets removeObject:currentPhoto];
-    }
-}
     
-- (void)photoBrowserDidFinishModalPresentation:(MWPhotoBrowser *)photoBrowser {
-    if (self.arrSelectedAssets.count > 3) {
-        [XBLoadingView showHUDViewWithText:@"图片最多选择3张"];
-        return;
-    }
     
+    if (selected) {
         PHImageManager *imageManager = [PHImageManager defaultManager];
         PHImageRequestOptions *options = [PHImageRequestOptions new];
         options.networkAccessAllowed = YES;
@@ -152,17 +147,47 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
         options.deliveryMode = PHImageRequestOptionsDeliveryModeHighQualityFormat;
         options.synchronous = YES;
         WS(weakSelf);
-    [self.arrSelectedPhotos removeAllObjects];
-    for (PHAsset *asset in self.arrSelectedAssets) {
-        [imageManager requestImageForAsset:asset
+        [imageManager requestImageForAsset:currentPhoto
                                 targetSize:CGSizeMake(ScreenWidth, ScreenHeight)
                                contentMode:PHImageContentModeAspectFit
                                    options:options
-                             resultHandler:^(UIImage *result, NSDictionary *info){
+                             resultHandler:^(UIImage *result, NSDictionary *info) {
+                                     [self.arrSelectedAssets addObject:currentPhoto];
                                      [weakSelf.arrSelectedPhotos addObject:result];
+                                     [weakSelf.cache setObject:result forKey:currentPhoto];
                              }];
+    }else{
+        id result = [self.cache objectForKey:currentPhoto];
+        [self.arrSelectedAssets removeObject:currentPhoto];
+        [self.arrSelectedPhotos removeObject:result];
     }
 
+}
+
+- (void)photoBrowserDidFinishModalPresentation:(MWPhotoBrowser *)photoBrowser {
+    if (self.arrSelectedAssets.count > 3) {
+        [XBLoadingView showHUDViewWithText:@"图片最多选择3张"];
+        return;
+    }
+//
+//    PHImageManager *imageManager = [PHImageManager defaultManager];
+//    PHImageRequestOptions *options = [PHImageRequestOptions new];
+//    options.networkAccessAllowed = YES;
+//    options.resizeMode = PHImageRequestOptionsResizeModeFast;
+//    options.deliveryMode = PHImageRequestOptionsDeliveryModeHighQualityFormat;
+//    options.synchronous = YES;
+//    WS(weakSelf);
+//    [self.arrSelectedPhotos removeAllObjects];
+//    for (PHAsset *asset in self.arrSelectedAssets) {
+//        [imageManager requestImageForAsset:asset
+//                                targetSize:CGSizeMake(ScreenWidth, ScreenHeight)
+//                               contentMode:PHImageContentModeAspectFit
+//                                   options:options
+//                             resultHandler:^(UIImage *result, NSDictionary *info) {
+//                                 [weakSelf.arrSelectedPhotos addObject:result];
+//                             }];
+//    }
+
     if (self.blockFinishSelected) {
         self.blockFinishSelected();
     }
@@ -172,7 +197,12 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
 }
 
 - (void)selectAlbumImage {
-
+    if (![BaseViewController determinePhotosPermissions]) {
+        UIAlertController *alertVC = [UIAlertController alertControllerWithTitle:@"提示" message:@"请在iPad的“设置-隐私-相册”选项中，允许欧立方访问你的相册" preferredStyle:UIAlertControllerStyleAlert];
+        [alertVC addAction:[UIAlertAction actionWithTitle:@"知道了" style:UIAlertActionStyleCancel handler:nil]];
+        [self.viewController presentViewController:alertVC animated:YES completion:nil];
+        return;
+    }
     MWPhotoBrowser *browser = [[MWPhotoBrowser alloc] initWithDelegate:self];
     browser.displayActionButton = YES;
     browser.displayNavArrows = YES;
@@ -186,10 +216,34 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
     [self.viewController.navigationController presentViewController:nav animated:YES completion:nil];
 }
 
-
 - (void)deletePhotoWithIndex:(NSInteger)index {
-    [self.arrSelectedAssets removeObjectAtIndex:index];
-    [self.arrSelectedPhotos removeObjectAtIndex:index];
+    UIImage *image = self.arrSelectedPhotos[index];
+    
+    //如果要删除的照片在缓存里面，那么这是相册选择的照片，需要从缓存删除
+    for (PHAsset *key in self.cache.allKeys) {
+        UIImage *cacheImage = [self.cache objectForKey:key];
+        if ([cacheImage isEqual:image]) {
+            [self.cache removeObjectForKey:key];
+            [self.arrSelectedAssets removeObject:key];
+            break;
+        }
+    }
+    
+    [self.arrSelectedPhotos removeObject:image];
+
+
+    if (self.blockFinishSelected) {
+        self.blockFinishSelected();
+    }
+}
+
+/**
+ 删除所有的图片
+ */
+- (void)deleteAll {
+    [self.arrSelectedAssets removeAllObjects];
+    [self.arrSelectedPhotos removeAllObjects];
+    [self.cache removeAllObjects];
     if (self.blockFinishSelected) {
         self.blockFinishSelected();
     }
@@ -233,6 +287,13 @@ typedef NS_ENUM(NSInteger, ItemIndex) {
     return _arrSelectedPhotos;
 }
 
+- (NSDictionary *)cache {
+    if (!_cache) {
+        _cache = [NSMutableDictionary dictionary];
+    }
+    return _cache;
+}
+
 /*
 // Only override drawRect: if you perform custom drawing.
 // An empty implementation adversely affects performance during animation.

Lighting.xcodeproj/project.pbxproj

@@ -338,6 +338,8 @@
 		8F0FD1A11EA48EC500D38035 /* ForumDetailBottomView.m in Sources */ = {isa = PBXBuildFile; fileRef = 8F0FD1A01EA48EC500D38035 /* ForumDetailBottomView.m */; };
 		8F0FD1A41EA494EA00D38035 /* ForumDetailBottomPictureCell.m in Sources */ = {isa = PBXBuildFile; fileRef = 8F0FD1A31EA494EA00D38035 /* ForumDetailBottomPictureCell.m */; };
 		8F0FD1A71EA4A8BF00D38035 /* ZJKeyBoardAccessoryView.m in Sources */ = {isa = PBXBuildFile; fileRef = 8F0FD1A61EA4A8BF00D38035 /* ZJKeyBoardAccessoryView.m */; };
+		8F7B45461EA61FED00E52092 /* ForumCommentListViewModel.m in Sources */ = {isa = PBXBuildFile; fileRef = 8F7B45451EA61FED00E52092 /* ForumCommentListViewModel.m */; };
+		8FEF03F31EA7543F00837A64 /* UIImage+Helper.m in Sources */ = {isa = PBXBuildFile; fileRef = 8FEF03F21EA7543F00837A64 /* UIImage+Helper.m */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -985,6 +987,10 @@
 		8F0FD1A31EA494EA00D38035 /* ForumDetailBottomPictureCell.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ForumDetailBottomPictureCell.m; sourceTree = "<group>"; };
 		8F0FD1A51EA4A8BF00D38035 /* ZJKeyBoardAccessoryView.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ZJKeyBoardAccessoryView.h; sourceTree = "<group>"; };
 		8F0FD1A61EA4A8BF00D38035 /* ZJKeyBoardAccessoryView.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ZJKeyBoardAccessoryView.m; sourceTree = "<group>"; };
+		8F7B45441EA61FED00E52092 /* ForumCommentListViewModel.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = ForumCommentListViewModel.h; sourceTree = "<group>"; };
+		8F7B45451EA61FED00E52092 /* ForumCommentListViewModel.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = ForumCommentListViewModel.m; sourceTree = "<group>"; };
+		8FEF03F11EA7543F00837A64 /* UIImage+Helper.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "UIImage+Helper.h"; sourceTree = "<group>"; };
+		8FEF03F21EA7543F00837A64 /* UIImage+Helper.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "UIImage+Helper.m"; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -1777,6 +1783,8 @@
 				2901738A1E0A22940005F48B /* UIButton+countDown.m */,
 				298111101DFE674600F7EAFF /* UIImage+Fit.h */,
 				298111111DFE674600F7EAFF /* UIImage+Fit.m */,
+				8FEF03F11EA7543F00837A64 /* UIImage+Helper.h */,
+				8FEF03F21EA7543F00837A64 /* UIImage+Helper.m */,
 				2962D07F1CD1E6010058829D /* UIView+Frame.h */,
 				2962D0801CD1E6010058829D /* UIView+Frame.m */,
 				2916A7461D703A1700644C8C /* UIView+cornerRadius.h */,
@@ -2311,6 +2319,7 @@
 		29C30BD71DDC1E8C00CA3E29 /* ComprehensiveDiscussion */ = {
 			isa = PBXGroup;
 			children = (
+				8F7B45431EA61FB700E52092 /* ViewModels */,
 				2999B1301DE6CD760031F79E /* Cells */,
 				2999B12C1DE6CD4F0031F79E /* Controllers */,
 				298111171DFE9F2C00F7EAFF /* Models */,
@@ -2885,6 +2894,15 @@
 			name = Pods;
 			sourceTree = "<group>";
 		};
+		8F7B45431EA61FB700E52092 /* ViewModels */ = {
+			isa = PBXGroup;
+			children = (
+				8F7B45441EA61FED00E52092 /* ForumCommentListViewModel.h */,
+				8F7B45451EA61FED00E52092 /* ForumCommentListViewModel.m */,
+			);
+			path = ViewModels;
+			sourceTree = "<group>";
+		};
 /* End PBXGroup section */
 
 /* Begin PBXNativeTarget section */
@@ -3095,6 +3113,7 @@
 			files = (
 				293163FA1DCE3CBA0075129D /* LuckyDrawDetailsViewController.m in Sources */,
 				29CC51ED1E8A011E009FBB6A /* RebateDetailsViewController.m in Sources */,
+				8F7B45461EA61FED00E52092 /* ForumCommentListViewModel.m in Sources */,
 				29045F321DCA192700E42A86 /* PromptHeaderTableViewCell.m in Sources */,
 				2940AE9B1DE7FE17001164B0 /* OnlineLearningDetailViewController.m in Sources */,
 				2986B9A31DE1D30700F4A1CF /* PromotionChooseNavigationController.m in Sources */,
@@ -3377,6 +3396,7 @@
 				29834EC01CDF5E4E001A484F /* ScreeningFirstCollectionViewCell.m in Sources */,
 				29834EC51CDF76C1001A484F /* UserViewController.m in Sources */,
 				29E2D3271DB88D8B00443170 /* CardOrderInformationReusableView.m in Sources */,
+				8FEF03F31EA7543F00837A64 /* UIImage+Helper.m in Sources */,
 				2971E9841DF69F9A00256567 /* CountDownLabel.m in Sources */,
 				29CC51F81E8A032D009FBB6A /* LuckyDrawMainViewController.m in Sources */,
 				2962D06D1CD1A43A0058829D /* ClientViewController.m in Sources */,

Lighting/LearningCenter.storyboard

 <?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="11762" systemVersion="16E195" targetRuntime="iOS.CocoaTouch.iPad" propertyAccessControl="none" useAutolayout="YES" colorMatched="YES">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="12118" systemVersion="16E195" targetRuntime="iOS.CocoaTouch.iPad" propertyAccessControl="none" useAutolayout="YES" colorMatched="YES">
     <device id="ipad9_7" orientation="landscape">
         <adaptation id="fullscreen"/>
     </device>
     <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="11757"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="12086"/>
         <capability name="Constraints to layout margins" minToolsVersion="6.0"/>
         <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
         <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
@@ -359,7 +359,7 @@
                                         <rect key="frame" x="0.0" y="28" width="1024" height="90"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="ctQ-16-eCQ" id="DuY-Eq-G4z">
-                                            <rect key="frame" x="0.0" y="0.0" width="830" height="89"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="830" height="89.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" image="00登录-谭" translatesAutoresizingMaskIntoConstraints="NO" id="jVJ-Bu-xw9">
@@ -1065,7 +1065,7 @@
                                 <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
                                 <prototypes>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="AssessmentHeaderView" id="UfB-K3-NdF" customClass="AssessmentHeaderView">
-                                        <rect key="frame" x="0.0" y="56" width="460" height="44"/>
+                                        <rect key="frame" x="0.0" y="55.5" width="460" height="44"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="UfB-K3-NdF" id="WGo-Wa-YTq">
                                             <rect key="frame" x="0.0" y="0.0" width="460" height="44"/>
@@ -1091,7 +1091,7 @@
                                         </connections>
                                     </tableViewCell>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="none" indentationWidth="10" reuseIdentifier="AssessmentTableViewCell" rowHeight="52" id="gIe-bF-XsX" customClass="AssessmentTableViewCell">
-                                        <rect key="frame" x="0.0" y="100" width="460" height="52"/>
+                                        <rect key="frame" x="0.0" y="99.5" width="460" height="52"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="gIe-bF-XsX" id="Va8-wn-DBM">
                                             <rect key="frame" x="0.0" y="0.0" width="460" height="52"/>
@@ -1137,7 +1137,7 @@
                                         </connections>
                                     </tableViewCell>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="none" indentationWidth="10" reuseIdentifier="AssessmentShortAnswerTableViewCell" rowHeight="112" id="smV-qr-KgP" customClass="AssessmentShortAnswerTableViewCell">
-                                        <rect key="frame" x="0.0" y="152" width="460" height="112"/>
+                                        <rect key="frame" x="0.0" y="151.5" width="460" height="112"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="smV-qr-KgP" id="A2f-ek-60T">
                                             <rect key="frame" x="0.0" y="0.0" width="460" height="112"/>
@@ -1373,7 +1373,7 @@
                                 </collectionViewFlowLayout>
                                 <cells>
                                     <collectionViewCell opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" reuseIdentifier="CalibrationDetailCollectionCell" id="dGo-4o-u9g" customClass="CalibrationDetailCollectionCell">
-                                        <rect key="frame" x="0.0" y="10" width="93" height="41"/>
+                                        <rect key="frame" x="0.0" y="9.5" width="93" height="41"/>
                                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                         <view key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center">
                                             <rect key="frame" x="0.0" y="0.0" width="93" height="41"/>
@@ -1453,7 +1453,7 @@
                                 </collectionViewFlowLayout>
                                 <cells>
                                     <collectionViewCell opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" reuseIdentifier="CalibrationCollectionViewCell" id="v20-Kz-8OX" customClass="CalibrationCollectionViewCell">
-                                        <rect key="frame" x="0.0" y="5" width="50" height="50"/>
+                                        <rect key="frame" x="0.0" y="4.5" width="50" height="50"/>
                                         <autoresizingMask key="autoresizingMask" flexibleMaxX="YES" flexibleMaxY="YES"/>
                                         <view key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center">
                                             <rect key="frame" x="0.0" y="0.0" width="50" height="50"/>
@@ -2157,7 +2157,7 @@
                                         <rect key="frame" x="0.0" y="28" width="1024" height="100"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="Qnm-0r-wEL" id="VAA-bT-OlF">
-                                            <rect key="frame" x="0.0" y="0.0" width="1024" height="99"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="1024" height="99.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="课时简介" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="agZ-rF-DnB">
@@ -2189,7 +2189,7 @@
                                         <rect key="frame" x="0.0" y="128" width="1024" height="130"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="WzB-nZ-wsW" id="Zzv-Yi-ZxT">
-                                            <rect key="frame" x="0.0" y="0.0" width="1024" height="129"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="1024" height="129.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="授课讲师" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="kxK-dX-OAf">
@@ -2246,7 +2246,7 @@
                                         <rect key="frame" x="0.0" y="258" width="1024" height="100"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="oia-jO-L9n" id="AMF-ag-ZWN">
-                                            <rect key="frame" x="0.0" y="0.0" width="1024" height="99"/>
+                                            <rect key="frame" x="0.0" y="0.0" width="1024" height="99.5"/>
                                             <autoresizingMask key="autoresizingMask"/>
                                             <subviews>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" text="针对人员" textAlignment="natural" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="NfI-IM-h1i">
@@ -2747,7 +2747,7 @@
                                 <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
                                 <prototypes>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="default" indentationWidth="10" reuseIdentifier="AssessmentHeaderView" rowHeight="60" id="2M5-To-MLj" customClass="AssessmentHeaderView">
-                                        <rect key="frame" x="0.0" y="56" width="1024" height="60"/>
+                                        <rect key="frame" x="0.0" y="55.5" width="1024" height="60"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="2M5-To-MLj" id="ypf-GL-4CP">
                                             <rect key="frame" x="0.0" y="0.0" width="1024" height="60"/>
@@ -2773,7 +2773,7 @@
                                         </connections>
                                     </tableViewCell>
                                     <tableViewCell clipsSubviews="YES" contentMode="scaleToFill" selectionStyle="none" indentationWidth="10" reuseIdentifier="AssessmentTableViewCell" rowHeight="50" id="BjI-a1-CRm" customClass="AssessmentTableViewCell">
-                                        <rect key="frame" x="0.0" y="116" width="1024" height="50"/>
+                                        <rect key="frame" x="0.0" y="115.5" width="1024" height="50"/>
                                         <autoresizingMask key="autoresizingMask"/>
                                         <tableViewCellContentView key="contentView" opaque="NO" clipsSubviews="YES" multipleTouchEnabled="YES" contentMode="center" tableViewCell="BjI-a1-CRm" id="bq8-ly-DcD">
                                             <rect key="frame" x="0.0" y="0.0" width="1024" height="50"/>
@@ -3145,7 +3145,7 @@
                                                     <nil key="highlightedColor"/>
                                                 </label>
                                                 <label opaque="NO" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="" textAlignment="natural" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="8Th-tT-RVY">
-                                                    <rect key="frame" x="20" y="260" width="984" height="34"/>
+                                                    <rect key="frame" x="20" y="245" width="984" height="49"/>
                                                     <fontDescription key="fontDescription" type="system" pointSize="13"/>
                                                     <nil key="textColor"/>
                                                     <nil key="highlightedColor"/>
@@ -3168,20 +3168,20 @@
                                                         <constraint firstAttribute="height" constant="1" id="fAA-nf-dma"/>
                                                     </constraints>
                                                 </view>
-                                                <view contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="b31-hr-5yT">
-                                                    <rect key="frame" x="20" y="88" width="400" height="164"/>
+                                                <view tag="1111" contentMode="scaleAspectFill" translatesAutoresizingMaskIntoConstraints="NO" id="b31-hr-5yT">
+                                                    <rect key="frame" x="20" y="73" width="400" height="164"/>
                                                     <subviews>
-                                                        <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="Od7-sI-lw9">
+                                                        <imageView clipsSubviews="YES" userInteractionEnabled="NO" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="Od7-sI-lw9">
                                                             <rect key="frame" x="0.0" y="0.0" width="128" height="164"/>
                                                         </imageView>
-                                                        <imageView userInteractionEnabled="NO" tag="2" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="FpA-hd-kLS">
+                                                        <imageView clipsSubviews="YES" userInteractionEnabled="NO" tag="2" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="FpA-hd-kLS">
                                                             <rect key="frame" x="272" y="0.0" width="128" height="164"/>
                                                         </imageView>
-                                                        <imageView userInteractionEnabled="NO" tag="1" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="BTw-Cs-JhN">
+                                                        <imageView clipsSubviews="YES" userInteractionEnabled="NO" tag="1" contentMode="scaleAspectFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="BTw-Cs-JhN">
                                                             <rect key="frame" x="136" y="0.0" width="128" height="164"/>
                                                         </imageView>
                                                     </subviews>
-                                                    <color key="backgroundColor" white="1" alpha="1" colorSpace="calibratedWhite"/>
+                                                    <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="calibratedWhite"/>
                                                     <constraints>
                                                         <constraint firstItem="BTw-Cs-JhN" firstAttribute="top" secondItem="b31-hr-5yT" secondAttribute="top" id="1oR-kk-w8t"/>
                                                         <constraint firstItem="FpA-hd-kLS" firstAttribute="width" secondItem="Od7-sI-lw9" secondAttribute="width" id="4IH-iu-WUq"/>
@@ -3201,21 +3201,20 @@
                                                 </view>
                                             </subviews>
                                             <constraints>
-                                                <constraint firstItem="pyu-Y7-w8M" firstAttribute="centerY" secondItem="iVT-bi-RKr" secondAttribute="centerY" constant="-109" id="0uV-p1-8pa"/>
                                                 <constraint firstAttribute="bottom" secondItem="qn5-UZ-cM4" secondAttribute="bottom" id="4pS-CA-0MD"/>
                                                 <constraint firstItem="8Th-tT-RVY" firstAttribute="leading" secondItem="iVT-bi-RKr" secondAttribute="leading" constant="20" id="52a-nf-bps"/>
-                                                <constraint firstItem="b31-hr-5yT" firstAttribute="top" secondItem="pyu-Y7-w8M" secondAttribute="bottom" constant="15" id="9Lt-gM-InY"/>
+                                                <constraint firstItem="b31-hr-5yT" firstAttribute="top" secondItem="pyu-Y7-w8M" secondAttribute="bottom" id="9Lt-gM-InY"/>
                                                 <constraint firstItem="VAs-Wx-TQb" firstAttribute="leading" secondItem="iVT-bi-RKr" secondAttribute="leadingMargin" constant="20" id="A23-1U-p4J"/>
                                                 <constraint firstAttribute="bottom" secondItem="8Th-tT-RVY" secondAttribute="bottom" constant="10" id="GHM-g1-aWA"/>
                                                 <constraint firstItem="Nam-PB-SZa" firstAttribute="leading" secondItem="mfw-jx-1kt" secondAttribute="leading" id="LH1-AC-vh1"/>
                                                 <constraint firstItem="mfw-jx-1kt" firstAttribute="top" secondItem="VAs-Wx-TQb" secondAttribute="top" id="LZO-yf-dpe"/>
-                                                <constraint firstItem="8Th-tT-RVY" firstAttribute="top" secondItem="iVT-bi-RKr" secondAttribute="top" constant="260" id="OyM-WB-gzg"/>
                                                 <constraint firstItem="mfw-jx-1kt" firstAttribute="leading" secondItem="VAs-Wx-TQb" secondAttribute="trailing" constant="5" id="TQh-0R-Fcz"/>
                                                 <constraint firstItem="qn5-UZ-cM4" firstAttribute="leading" secondItem="iVT-bi-RKr" secondAttribute="leading" id="Ttv-ma-62V"/>
                                                 <constraint firstItem="8Th-tT-RVY" firstAttribute="top" secondItem="b31-hr-5yT" secondAttribute="bottom" constant="8" id="bak-X4-GJw"/>
                                                 <constraint firstItem="b31-hr-5yT" firstAttribute="leading" secondItem="iVT-bi-RKr" secondAttribute="leading" constant="20" id="gUS-uZ-YEu"/>
                                                 <constraint firstItem="G4o-Xy-Sd4" firstAttribute="centerY" secondItem="VAs-Wx-TQb" secondAttribute="centerY" id="iL8-0n-q90"/>
                                                 <constraint firstItem="pyu-Y7-w8M" firstAttribute="centerX" secondItem="iVT-bi-RKr" secondAttribute="centerX" constant="-200" id="ifw-ag-xtC"/>
+                                                <constraint firstItem="pyu-Y7-w8M" firstAttribute="top" secondItem="iVT-bi-RKr" secondAttribute="top" constant="13" id="l4v-Ll-rbG"/>
                                                 <constraint firstAttribute="trailing" secondItem="qn5-UZ-cM4" secondAttribute="trailing" id="ndM-Oc-58s"/>
                                                 <constraint firstAttribute="trailing" secondItem="G4o-Xy-Sd4" secondAttribute="trailing" constant="30" id="saS-eK-h2C"/>
                                                 <constraint firstItem="Nam-PB-SZa" firstAttribute="bottom" secondItem="VAs-Wx-TQb" secondAttribute="bottom" id="tv1-1o-GqD"/>

Tools/Category/UIImage+Helper.h

+//
+//  UIImage+Helper.h
+//  CXA
+//
+//  Created by Xummer on 14-3-3.
+//  Copyright (c) 2014年 Xummer. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+@interface UIImage (Helper)
+
++ (UIImage *)getThumbnailImage:(UIImage *)image withMaxLen:(CGFloat)maxLen;
+- (UIImage *)thumbnailWithMaxLen:(CGFloat)maxLen;
+
+- (UIImage *)imageWithTintColor:(UIColor *)tintColor;
+
+- (UIImage *)imageWithGradientTintColor:(UIColor *)tintColor;
+
+- (UIImage *)imageWithTintColor:(UIColor *)tintColor blendMode:(CGBlendMode)blendMode;
+
+@end
+
+@interface UIImage (Color)
++ (UIImage *)imageWithColor:(UIColor *)color;
++ (UIImage *)imageWithColor:(UIColor *)color andSize:(CGSize)size;
++ (UIImage *)imageWithColor:(UIColor *)color andRect:(CGRect)rect;
+- (UIImage *)greyScaleImage;
+/**
+ *  图片压缩到指定大小（具体看图片大小，过大的图片无法压缩到指定大小）
+ *
+ *  @param kb 压缩后图片大小
+ *
+ *  @return
+ */
+- (NSData *)scaledToSpaceMaxSize:(NSInteger)kb;
+
+/**
+ *  压缩图片到指定高宽
+ *
+ *  @param newSize 新的图片尺寸
+ *
+ *  @return
+ */
+- (UIImage *)scaledToSize:(CGSize)newSize;
+
+/**
+ *  按比例压缩图片至指定宽度
+ *
+ *  @param newWidth 指定宽度
+ *
+ *  @return
+ */
+- (UIImage *)scaledToWidth:(NSInteger)newWidth;
+
+
+/**
+ *  获取图片缩略图
+ *
+ *  @param sourceImage 原始图片
+ *  @param size        生成尺寸
+ *
+ *  @return 新的图片
+ */
++ (UIImage *)imageCompressForSize:(UIImage *)sourceImage targetSize:(CGSize)size;
+
+@end

Tools/Category/UIImage+Helper.m

+//
+//  UIImage+Helper.m
+//  CXA
+//
+//  Created by Xummer on 14-3-3.
+//  Copyright (c) 2014年 Xummer. All rights reserved.
+//
+
+#import "UIImage+Helper.h"
+
+@implementation UIImage (Helper)
+
+// if newImage's width or heigth < 1, image will be cliped
++ (UIImage *)getThumbnailImage:(UIImage *)image withMaxLen:(CGFloat)maxLen
+{
+    
+    CGFloat imageMaxLen, imageMinLen;
+    BOOL widthIsLarger = image.size.width > image.size.height;
+    if (widthIsLarger) {
+        imageMaxLen = image.size.width;
+        imageMinLen = image.size.height;
+    }
+    else {
+        imageMaxLen = image.size.height;
+        imageMinLen = image.size.width;
+    }
+    
+    if (imageMaxLen > maxLen) {
+        CGFloat scaleFloat = maxLen/imageMaxLen;
+        
+        CGFloat newImgMinL = imageMinLen * scaleFloat;
+        
+        CGSize size;
+        if (newImgMinL < 1) {
+            scaleFloat = 1/imageMinLen;
+            if (widthIsLarger) {
+                size = CGSizeMake(maxLen, image.size.height * scaleFloat);
+            }
+            else {
+                size = CGSizeMake(image.size.width * scaleFloat, maxLen);
+            }
+            
+        }
+        else {
+            size = CGSizeMake(image.size.width * scaleFloat,
+                              image.size.height * scaleFloat);
+        }
+        
+        UIGraphicsBeginImageContext(size);
+        CGContextRef context = UIGraphicsGetCurrentContext();
+        CGAffineTransform transform = CGAffineTransformIdentity;
+        
+        transform = CGAffineTransformScale(transform, scaleFloat, scaleFloat);
+        CGContextConcatCTM(context, transform);
+        
+        // Draw the image into the transformed context and return the image
+        [image drawAtPoint:CGPointMake(0.0f, 0.0f)];
+        UIImage *newimg = UIGraphicsGetImageFromCurrentImageContext();
+        UIGraphicsEndImageContext();
+        
+        return newimg;
+    }
+    else{
+        return image;
+    }
+}
+
+- (UIImage *)thumbnailWithMaxLen:(CGFloat)maxLen {
+    return [[self class] getThumbnailImage:self withMaxLen:maxLen];
+}
+
+- (UIImage *)imageWithTintColor:(UIColor *)tintColor {
+    return [self imageWithTintColor:tintColor blendMode:kCGBlendModeDestinationIn];
+}
+
+- (UIImage *)imageWithGradientTintColor:(UIColor *)tintColor {
+    return [self imageWithTintColor:tintColor blendMode:kCGBlendModeOverlay];
+}
+
+- (UIImage *)imageWithTintColor:(UIColor *)tintColor blendMode:(CGBlendMode)blendMode
+{
+    //We want to keep alpha, set opaque to NO; Use 0.0f for scale to use the scale factor of the device’s main screen.
+    UIGraphicsBeginImageContextWithOptions(self.size, NO, 0.0f);
+    [tintColor setFill];
+    CGRect bounds = CGRectMake(0, 0, self.size.width, self.size.height);
+    UIRectFill(bounds);
+    
+    //Draw the tinted image in context
+    [self drawInRect:bounds blendMode:blendMode alpha:1.0f];
+    
+    if (blendMode != kCGBlendModeDestinationIn) {
+        [self drawInRect:bounds blendMode:kCGBlendModeDestinationIn alpha:1.0f];
+    }
+    
+    UIImage *tintedImage = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+    
+    return tintedImage;
+}
+
+
+@end
+
+@implementation UIImage (Color)
+
+typedef enum {
+    ALPHA = 0,
+    BLUE = 1,
+    GREEN = 2,
+    RED = 3
+} PIXELS;
+
++ (UIImage *)imageWithColor:(UIColor *)color {
+    CGRect rect = CGRectMake(0.0f,0.0f,1.0f,1.0f);
+    return [[self class] imageWithColor:color andRect:rect];
+}
+
++ (UIImage *)imageWithColor:(UIColor *)color andRect:(CGRect)rect {
+    UIGraphicsBeginImageContext(rect.size);
+    CGContextRef context =UIGraphicsGetCurrentContext();
+    CGContextSetFillColorWithColor(context,[color CGColor]);
+    CGContextFillRect(context, rect);
+    UIImage *image =UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+    return image;
+}
+
++ (UIImage *)imageWithColor:(UIColor *)color andSize:(CGSize)size {
+    return [[self class] imageWithColor:color andRect:(CGRect){
+        .origin = CGPointZero,
+        .size = size
+    }];
+}
+
+- (UIImage *)greyScaleImage {
+    CGSize size = [self size];
+    int width = size.width;
+    int height = size.height;
+    
+    // the pixels will be painted to this array
+    uint32_t *pixels = (uint32_t *) malloc(width * height * sizeof(uint32_t));
+    
+    // clear the pixels so any transparency is preserved
+    memset(pixels, 0, width * height * sizeof(uint32_t));
+    
+    CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
+    
+    // create a context with RGBA pixels
+    CGContextRef context = CGBitmapContextCreate(pixels, width, height, 8, width * sizeof(uint32_t), colorSpace,
+                                                 kCGBitmapByteOrder32Little | kCGImageAlphaPremultipliedLast);
+    
+    // paint the bitmap to our context which will fill in the pixels array
+    CGContextDrawImage(context, CGRectMake(0, 0, width, height), [self CGImage]);
+    
+    for(int y = 0; y < height; y++) {
+        for(int x = 0; x < width; x++) {
+            uint8_t *rgbaPixel = (uint8_t *) &pixels[y * width + x];
+            
+            // convert to grayscale using recommended method: http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale
+            uint32_t gray = 0.3 * rgbaPixel[RED] + 0.59 * rgbaPixel[GREEN] + 0.11 * rgbaPixel[BLUE];
+            
+            // set the pixels to gray
+            rgbaPixel[RED] = gray;
+            rgbaPixel[GREEN] = gray;
+            rgbaPixel[BLUE] = gray;
+        }
+    }
+    
+    // create a new CGImageRef from our context with the modified pixels
+    CGImageRef image = CGBitmapContextCreateImage(context);
+    
+    // we're done with the context, color space, and pixels
+    CGContextRelease(context);
+    CGColorSpaceRelease(colorSpace);
+    free(pixels);
+    
+    // make a new UIImage to return
+    UIImage *resultUIImage = [UIImage imageWithCGImage:image];
+    
+    // we're done with image now too
+    CGImageRelease(image);
+    
+    return resultUIImage;
+}
+
+
+- (NSData *)scaledToSpaceMaxSize:(NSInteger)kb {
+    
+    //压缩到100kb以内
+    CGFloat compression = 0.5f;
+    CGFloat maxCompression = 0.1f;
+    NSUInteger maxlength = kb * 1024;
+    NSData *imgData = UIImageJPEGRepresentation(self, compression);
+//    CLog(@"处理之前的大小--->%lukB",(unsigned long)imgData.length/1024);
+    while ([imgData length] > maxlength && compression > maxCompression) {
+        compression -= 0.1;
+        imgData = UIImageJPEGRepresentation(self, compression);
+        
+    }
+//    CLog(@"处理之后的大小--->%lukB",(unsigned long)imgData.length/1024);
+    
+    
+    return imgData;
+    
+}
+
+- (UIImage *)scaledToSize:(CGSize)newSize {
+    UIGraphicsBeginImageContextWithOptions(newSize, YES, 0);
+    [self drawInRect:CGRectMake(0, 0, newSize.width, newSize.height)];
+    UIImage *scaledImage = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+    return scaledImage;
+}
+
+- (UIImage *)scaledToWidth:(NSInteger)newWidth {
+    
+    CGSize newSize = CGSizeMake(newWidth, newWidth / self.size.width * self.size.height);
+    UIGraphicsBeginImageContextWithOptions(newSize, YES, 0);
+    [self drawInRect:CGRectMake(0, 0, newSize.width, newSize.height)];
+    UIImage *scaledImage = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+    return scaledImage;
+}
+
+#pragma mark - 获取缩略图
++ (UIImage *)imageCompressForSize:(UIImage *)sourceImage targetSize:(CGSize)size
+{
+    UIImage *newImage = nil;
+    CGSize imageSize = sourceImage.size;
+    CGFloat width = imageSize.width;
+    CGFloat height = imageSize.height;
+    CGFloat targetWidth = size.width;
+    CGFloat targetHeight = size.height;
+    CGFloat scaleFactor = 0.0;
+    CGFloat scaledWidth = targetWidth;
+    CGFloat scaledHeight = targetHeight;
+    CGPoint thumbnailPoint = CGPointMake(0.0, 0.0);
+    if(CGSizeEqualToSize(imageSize, size) == NO){
+        CGFloat widthFactor = targetWidth / width;
+        CGFloat heightFactor = targetHeight / height;
+        if(widthFactor > heightFactor){
+            scaleFactor = widthFactor;
+        }
+        else{
+            scaleFactor = heightFactor;
+        }
+        scaledWidth = width * scaleFactor;
+        scaledHeight = height * scaleFactor;
+        if(widthFactor > heightFactor){
+            thumbnailPoint.y = (targetHeight - scaledHeight) * 0.5;
+        }else if(widthFactor < heightFactor){
+            thumbnailPoint.x = (targetWidth - scaledWidth) * 0.5;
+        }
+    }
+    UIGraphicsBeginImageContextWithOptions(size, NO, 3.0);
+    CGRect thumbnailRect = CGRectZero;
+    thumbnailRect.origin = thumbnailPoint;
+    thumbnailRect.size.width = scaledWidth;
+    thumbnailRect.size.height = scaledHeight;
+    [sourceImage drawInRect:thumbnailRect];
+    newImage = UIGraphicsGetImageFromCurrentImageContext();
+    if(newImage == nil){
+        NSLog(@"scale image fail");
+    }
+    UIGraphicsEndImageContext();
+    return newImage;
+    
+}
+
+@end