修改Demo

张旭
1 parent 3bf2be22
Showing 3 changed files with 145 additions and 74 deletions
CNLiveUploadYunSDKDemo/CNLiveUploadYunSDKDemo.xcodeproj/project.pbxproj
CNLiveUploadYunSDKDemo/CNLiveUploadYunSDKDemo/7.6M.mov
CNLiveUploadYunSDKDemo/CNLiveUploadYunSDKDemo/CNLiveUploadController.m
@@ -16,7 +16,6 @@
 		81B9CBA11F54204F009594FB /* CNLiveUploadController.m in Sources */ = {isa = PBXBuildFile; fileRef = 81B9CBA01F54204F009594FB /* CNLiveUploadController.m */; };
 		81B9CBA81F54207B009594FB /* KS3YunSDK.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 81B9CBA31F54205E009594FB /* KS3YunSDK.framework */; };
 		81B9CBA91F54207B009594FB /* KS3YunSDK.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 81B9CBA31F54205E009594FB /* KS3YunSDK.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
-		81B9CBAE1F5421C6009594FB /* 7.6M.mov in Resources */ = {isa = PBXBuildFile; fileRef = 81B9CBAD1F5421C6009594FB /* 7.6M.mov */; };
 		D21D75D51FE0C9C700658839 /* cnlive.mp4 in Resources */ = {isa = PBXBuildFile; fileRef = D21D75D41FE0C9C600658839 /* cnlive.mp4 */; };
 		D2DD1B311FDFDA6C001DFDD1 /* CNLiveUploadYunSDK.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D2DD1B301FDFDA6C001DFDD1 /* CNLiveUploadYunSDK.framework */; };
 		D2DD1B331FDFDA6F001DFDD1 /* CNLiveUploadYunSDK.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = D2DD1B301FDFDA6C001DFDD1 /* CNLiveUploadYunSDK.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
@@ -51,7 +50,6 @@
 		81B9CB9F1F54204F009594FB /* CNLiveUploadController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = CNLiveUploadController.h; sourceTree = "<group>"; };
 		81B9CBA01F54204F009594FB /* CNLiveUploadController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = CNLiveUploadController.m; sourceTree = "<group>"; };
 		81B9CBA31F54205E009594FB /* KS3YunSDK.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; path = KS3YunSDK.framework; sourceTree = "<group>"; };
-		81B9CBAD1F5421C6009594FB /* 7.6M.mov */ = {isa = PBXFileReference; lastKnownFileType = video.quicktime; path = 7.6M.mov; sourceTree = "<group>"; };
 		D21D75D41FE0C9C600658839 /* cnlive.mp4 */ = {isa = PBXFileReference; lastKnownFileType = file; path = cnlive.mp4; sourceTree = "<group>"; };
 		D2DD1B301FDFDA6C001DFDD1 /* CNLiveUploadYunSDK.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; path = CNLiveUploadYunSDK.framework; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -96,7 +94,6 @@
 				81B9CB8F1F542006009594FB /* ViewController.m */,
 				81B9CB9F1F54204F009594FB /* CNLiveUploadController.h */,
 				81B9CBA01F54204F009594FB /* CNLiveUploadController.m */,
-				81B9CBAD1F5421C6009594FB /* 7.6M.mov */,
 				D21D75D41FE0C9C600658839 /* cnlive.mp4 */,
 				81B9CB911F542006009594FB /* Main.storyboard */,
 				81B9CB941F542006009594FB /* Assets.xcassets */,
@@ -142,7 +139,7 @@
 		81B9CB7D1F542006009594FB /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 0830;
+				LastUpgradeCheck = 0920;
 				ORGANIZATIONNAME = zhulin;
 				TargetAttributes = {
 					81B9CB841F542006009594FB = {
@@ -175,7 +172,6 @@
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				81B9CBAE1F5421C6009594FB /* 7.6M.mov in Resources */,
 				D21D75D51FE0C9C700658839 /* cnlive.mp4 in Resources */,
 				81B9CB981F542006009594FB /* LaunchScreen.storyboard in Resources */,
 				81B9CB951F542006009594FB /* Assets.xcassets in Resources */,
@@ -229,7 +225,9 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
@@ -237,7 +235,11 @@
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -278,7 +280,9 @@
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BLOCK_CAPTURE_AUTORELEASING = YES;
 				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_COMMA = YES;
 				CLANG_WARN_CONSTANT_CONVERSION = YES;
 				CLANG_WARN_DIRECT_OBJC_ISA_USAGE = YES_ERROR;
 				CLANG_WARN_DOCUMENTATION_COMMENTS = YES;
@@ -286,7 +290,11 @@
 				CLANG_WARN_ENUM_CONVERSION = YES;
 				CLANG_WARN_INFINITE_RECURSION = YES;
 				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
+				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
 				CLANG_WARN_OBJC_ROOT_CLASS = YES_ERROR;
+				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
+				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
 				CLANG_WARN_UNREACHABLE_CODE = YES;
 				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
@@ -9,6 +9,7 @@
 #import "CNLiveUploadController.h"
 #import <AssetsLibrary/AssetsLibrary.h>
 #import <CNLiveUploadYunSDK/CNLiveUploadYunSDK.h>
+#import <MobileCoreServices/MobileCoreServices.h>
  
 #define mScreenWidth          ([UIScreen mainScreen].bounds.size.width)
 #define mScreenHeight         ([UIScreen mainScreen].bounds.size.height)
@@ -19,11 +20,14 @@
 #define keyUploadPartNum @"partNum"    //需要app本地存储已经传成功的块号,demo为了演示，用NSUserDefaults存储，app可用数据库等
 #define keyUploadId @"uploadId"      //需要app本地存储已经初始化成功的uploadId，用于断点续传，demo为了演示，用NSUserDefaults存储,app可用数据库等
  
-@interface CNLiveUploadController ()<UITableViewDelegate,UITableViewDataSource,KingSoftServiceRequestDelegate>
+@interface CNLiveUploadController ()<UITableViewDelegate,UITableViewDataSource,KingSoftServiceRequestDelegate,UIImagePickerControllerDelegate,UINavigationControllerDelegate>
 {
+    NSURL *_imageAssetUrl;//相册文件URL
+    CNLiveUploadType _uploadType;//选择文件方式type
     NSString *_bucketKey;//SP上传时用到的bucket里文件的路径(包含扩展名)
 }
 @property (nonatomic ,strong) UITableView *             tableView;//列表
+@property (nonatomic ,strong) UIButton *                styleBtn;//上传方式按钮
  
 @property (assign, nonatomic) long long fileSize;//文件大小
 @property (assign, nonatomic) NSInteger partSize;//单块大小
@@ -42,78 +46,49 @@
     // Do any additional setup after loading the view.
     self.view.backgroundColor = [UIColor whiteColor];
     self.navigationItem.title = @"上传";
-    _arrItems = [NSArray arrayWithObjects:@"Multipart Upload", @"Abort Upload", @"Put Object", nil];
+    _arrItems = [NSArray arrayWithObjects:@"Multipart Upload", @"Abort Multipart Upload", @"Put Single Object", nil];
  
-    self.tableView = [[UITableView alloc] initWithFrame:self.view.bounds];
+    self.tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, CGRectGetMinY(self.view.frame), mScreenWidth, mScreenHeight-100)];
     [self.tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"CNLiveUpload"];
     [self.view addSubview:self.tableView];
     self.tableView.delegate = self;
     self.tableView.dataSource = self;
  
+    [self.view addSubview:self.styleBtn];
     [self getBucketKeyFromServer];
 }
  
-
 /**
  从服务器获取BucketKey,BucketKey为文件路径
  */
-- (void)getBucketKeyFromServer
+- (NSString *)getBucketKeyFromServer
 {
-#warning 此处建议从server获取 上传文件对应的bucketKey(文件路径包含扩展名)
+#warning 此处建议从server获取,为每一个上传的文件分配唯一的bucketKey,上传文件对应的bucketKey(文件路径包含扩展名). 例:完整bucketKey为@"cnlive-test/cnlive.mp4",可由服务器返回@"cnlive-test/cnlive",扩展名@".mp4"由开发者拼接,组成完整的bucketKey
 #warning Demo为了演示 bucketKey用固定值
-    _bucketKey = @"cnlive-test/cnlive.mp4";
+    _bucketKey = @"cnlive-uploadtest/cnlive.mp4";//本地工程文件
+    return _bucketKey;
 }
  
-#pragma mark 相册方法
-/*
- 这里，枚举模拟器相册所有的视频，模拟器只有一个只能获得开头传入的7.6M视频，
- 具体工程使用时根据具体逻辑，获取到Alasset即可
- KS3Client 方法：
- - (NSData *)getUploadPartDataWithPartNum:(NSInteger)partNum
- partLength:(NSInteger)partlength
- alassetURL:(NSURL *)alassetURL;
- 
- - (NSData *)getUploadPartDataWithPartNum:(NSInteger)partNum
- partLength:(NSInteger)partlength
- Alasset:(ALAsset *)assets;
- 
- - (ALAsset *)getAlassetFromAlassetURL:(NSURL *)alassetURL;
- 
- */
-- (ALAsset *)getAlasset
+- (NSString *)bucketKey
 {
-    ALAssetsLibrary *assetsLibrary = [[ALAssetsLibrary alloc]init];
-    __block ALAsset *assets ;
-    dispatch_semaphore_t sem= dispatch_semaphore_create(0);
-    dispatch_queue_t concurrentQueue = dispatch_queue_create("my.concurrent.queue", DISPATCH_QUEUE_SERIAL);
-    dispatch_async(concurrentQueue, ^{
-        [assetsLibrary enumerateGroupsWithTypes:ALAssetsGroupAll usingBlock:^(ALAssetsGroup *group, BOOL *stop) {
-            if (group) {
-                [group setAssetsFilter:[ALAssetsFilter allVideos]];
-                [group enumerateAssetsUsingBlock:^(ALAsset *result, NSUInteger index, BOOL *stop) {
-                    if (result) {
-                        assets = result;
-                        NSLog(@"url = %@",assets.defaultRepresentation.url);
-                        dispatch_semaphore_signal(sem);
-                        return ;
-                    }
-                }];
-                dispatch_semaphore_signal(sem);
-            }else
-            {
-                //                NSLog(@"group为空，枚举失败");
-            }
-            dispatch_semaphore_signal(sem);
-        } failureBlock:^(NSError *error) {
-            
-            NSLog(@"请到设置->隐私->照片中开启,访问照片库的权限");
-            dispatch_semaphore_signal(sem);
-        }];
-    });
-    
-    dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
-    
-    return assets;
+    switch (_uploadType) {
+        case kCNLiveUploadNormal:
+        {//本地文件
+            _bucketKey = [self getBucketKeyFromServer];
+        }
+            break;
+        case kCNLiveUploadAlasset:
+        {//相册选取的文件,重新拼接扩展名
+            NSString *bucketKeyUnExt = [[self getBucketKeyFromServer] substringToIndex:_bucketKey.length - 4];
+            NSArray *arr = [_imageAssetUrl.absoluteString componentsSeparatedByString:@"ext="];
+            NSString *ext = arr[1];
+            _bucketKey = [NSString stringWithFormat:@"%@.%@",bucketKeyUnExt,ext];
+        }
+            break;
+        default:
+            break;
+    }
+    return  _bucketKey;
 }
  
 #pragma mark 上传方法
@@ -137,7 +112,8 @@
 - (void)beginMultipartUpload
 {
     [CNLiveUpload initCNLiveUploadWithSuccess:^{
-        NSString *strKey = _bucketKey;
+        
+        NSString *strKey = [self bucketKey];
         _partSize = 5;    //  文件大于5M为最小5M一块
  
         CNLiveAccessControlList *acl = [[CNLiveAccessControlList alloc] init];
@@ -160,12 +136,12 @@
             }
  
             //选择相册还是普通方式
-            _muilt.uploadType = kCNLiveUploadNormal;
+            _muilt.uploadType = _uploadType;
  
             //根据文件路径不一样，有如下两种上传
             if (_muilt.uploadType == kCNLiveUploadNormal) { //如果是沙盒或者工程里的文件
                 //工程里，沙盒里，是沙盒路径
-                NSString *strFilePath = [[NSBundle mainBundle] pathForResource:@"7.6M" ofType:@"mov"];
+                NSString *strFilePath = [[NSBundle mainBundle] pathForResource:@"cnlive" ofType:@"mp4"];
                 _fileHandle = [NSFileHandle fileHandleForReadingAtPath:strFilePath];
                 _fileSize = [_fileHandle availableData].length;
                 if (_fileSize <= 0) {
@@ -182,7 +158,9 @@
             }else
             {
                 //如果是相册里的，从这传
-                ALAssetRepresentation *assetD = [self getAlasset].defaultRepresentation;
+                ALAsset *assets = [[CNLiveClient initialize] getAlassetFromAlassetURL:_imageAssetUrl];
+                ALAssetRepresentation *assetD = assets.defaultRepresentation;
+                
                 _fileSize = assetD.size;
                 if (_fileSize <= 0) {
                     NSLog(@"####This file is not exist!####");
@@ -248,7 +226,8 @@
         NSData *data = nil;
         if (_muilt.uploadType == kCNLiveUploadAlasset) {
             //相册信息
-            data = [[CNLiveClient initialize] getUploadPartDataWithPartNum:partNumber partLength:FileBlockSize Alasset:[self getAlasset]];
+            ALAsset *assets = [[CNLiveClient initialize] getAlassetFromAlassetURL:_imageAssetUrl];
+            data = [[CNLiveClient initialize] getUploadPartDataWithPartNum:partNumber partLength:FileBlockSize Alasset:assets];
         }else
         {
             //沙盒路径
@@ -310,7 +289,7 @@
             NSLog(@"error: %@", response.error.description);
         }
     } failure:^(NSDictionary *error) {
-        NSLog(@"error %@",error);
+        
     }];
 }
  
@@ -319,15 +298,16 @@
 - (void)beginSingleUpload:(NSInteger) row
 {
     [CNLiveUpload initCNLiveUploadWithSuccess:^{
+        
         CNLiveAccessControlList *ControlList = [[CNLiveAccessControlList alloc] init];
         [ControlList setContronAccess:CNLiveYun_Permission_Public_Read_Write];
         CNLivePutObjectRequest *putObjRequest = [[CNLivePutObjectRequest alloc] initWithAcl:ControlList grantAcl:nil];
-        NSString *fileName = [[NSBundle mainBundle] pathForResource:@"7.6M" ofType:@"mov"];
+        NSString *fileName = [[NSBundle mainBundle] pathForResource:@"cnlive" ofType:@"mp4"];
         putObjRequest.data = [NSData dataWithContentsOfFile:fileName options:NSDataReadingMappedIfSafe error:nil];
         _fileSize = putObjRequest.data.length;
  
         putObjRequest.delegate = self;
-        putObjRequest.filename = _bucketKey;
+        putObjRequest.filename = [self bucketKey];
         putObjRequest.contentMd5 = [CNLiveSDKUtil base64md5FromData:putObjRequest.data];
         [putObjRequest setCompleteRequest];
  
@@ -358,9 +338,11 @@
     } failure:^(NSDictionary *error) {
         NSLog(@"error %@",error);
     }];
+    
 }
  
-#pragma mark - Action
+#pragma mark -
+#pragma mark - ButtonAction
 - (void)uploadBtnClicked:(UIButton *)btn
 {
     btn.selected =! btn.selected;
@@ -373,6 +355,7 @@
             UIProgressView *progressView = (UIProgressView *)[self.view viewWithTag:199];
             progressView.progress = 0;
             [btn setTitle:@"开始" forState:UIControlStateNormal];
+            _uploadType = kCNLiveUploadNormal;
             return;
         }
         [_muilt pause];
@@ -380,6 +363,72 @@
     }
 }
  
+- (void)styleBtnAction
+{
+    [self uploadStyle];
+}
+
+- (void)uploadStyle
+{
+    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"上传方式" message:@"默认上传方式为本地文件" preferredStyle:UIAlertControllerStyleActionSheet];
+    UIAlertAction *localAlert = [UIAlertAction actionWithTitle:@"本地文件" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
+        _uploadType = kCNLiveUploadNormal;
+    }];
+    [alert addAction:localAlert];
+    UIAlertAction *albumAlert = [UIAlertAction actionWithTitle:@"相册文件" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {
+        
+        UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];
+        imagePicker.delegate = self;
+        imagePicker.allowsEditing = YES;
+        imagePicker.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;//相机相册
+        // 设置所支持的媒体功能，即只能拍照，或则只能录像，或者两者都可以
+#warning 此处需要区分视频还是图片文件,获取上传资源路径([CNLiveUpload getUploadResourceUrlWithBucketKey:uploadType:success:failure:])时需要用到此CNLiveYun_UploadType,Demo演示相册中 视频文件的上传
+        //        NSString *requiredMediaType = ( NSString *)kUTTypeImage;
+        NSString *requiredMediaType1 = ( NSString *)kUTTypeMovie;
+        NSArray *arrMediaTypes=[NSArray arrayWithObjects: requiredMediaType1,nil];//requiredMediaType
+        imagePicker.mediaTypes = arrMediaTypes;
+        [self presentViewController:imagePicker animated:YES completion:NULL];
+        
+        _uploadType = kCNLiveUploadAlasset;
+    }];
+    [alert addAction:albumAlert];
+    UIAlertAction *cancelAlert = [UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleCancel handler:^(UIAlertAction * _Nonnull action) {
+        [self dismissViewControllerAnimated:YES completion:NULL];
+    }];
+    [alert addAction:cancelAlert];
+    [self presentViewController:alert animated:YES completion:NULL];
+}
+
+//#pragma mark 相册方法
+///*
+// 这里，枚举模拟器相册所有的视频，模拟器只有一个只能获得开头传入的cnlive.mp4视频，
+// 具体工程使用时根据具体逻辑，获取到Alasset即可
+//CNLiveClient 方法：
+// - (NSData *)getUploadPartDataWithPartNum:(NSInteger)partNum
+// partLength:(NSInteger)partlength
+// alassetURL:(NSURL *)alassetURL;
+//
+// - (NSData *)getUploadPartDataWithPartNum:(NSInteger)partNum
+// partLength:(NSInteger)partlength
+// Alasset:(ALAsset *)assets;
+//
+// - (ALAsset *)getAlassetFromAlassetURL:(NSURL *)alassetURL;
+//
+// */
+#pragma mark - UIImagePickerControllerDelegate
+- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info
+{
+    NSURL *imageAssetUrl = [info objectForKey:UIImagePickerControllerReferenceURL];
+    _imageAssetUrl = imageAssetUrl;
+    [self dismissViewControllerAnimated:YES completion:NULL];
+}
+
+- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
+{
+    [self dismissViewControllerAnimated:YES completion:NULL];
+    NSLog(@"cancel");
+}
+
 #pragma mark - UITableView datasource
 - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
 {
@@ -446,10 +495,11 @@
     if ([request isKindOfClass:[KS3PutObjectRequest class]]) {
         if (response.httpStatusCode == 200) {
             NSLog(@"单块上传成功");
-            [CNLiveUpload getUploadResourceUrlWithBucketKey:_bucketKey uploadType:CNLiveYun_UploadType_VideoFile success:^(NSString *resUrl) {
+#warning 根据选择的文件类型更改CNLiveYun_UploadType,Demo演示视频路径的获取
+            [CNLiveUpload getUploadResourceUrlWithBucketKey:[self bucketKey] uploadType:CNLiveYun_UploadType_VideoFile success:^(NSString *resUrl) {
                 NSLog(@"资源路径: %@",resUrl);
             } failure:^(NSDictionary *error) {
-                NSLog(@"error%@",error);
+                NSLog(@"error: %@",error);
             }];
         }else
         {
@@ -499,7 +549,8 @@
                         [mUserDefaults setInteger:0 forKey:keyUploadPartNum];
                         _uploadNum = 0 ;
                         [mUserDefaults synchronize];
-                        [CNLiveUpload getUploadResourceUrlWithBucketKey:_bucketKey uploadType:CNLiveYun_UploadType_VideoFile success:^(NSString *resUrl) {
+#warning 根据选择的文件类型更改CNLiveYun_UploadType,Demo演示视频路径的获取
+                        [CNLiveUpload getUploadResourceUrlWithBucketKey:[self bucketKey] uploadType:CNLiveYun_UploadType_VideoFile success:^(NSString *resUrl) {
                             NSLog(@"资源路径: %@",resUrl);
                         } failure:^(NSDictionary *error) {
                             NSLog(@"error: %@",error);
@@ -576,11 +627,23 @@
     }
 }
  
+#pragma mark - Lazy
+- (UIButton *)styleBtn
+{
+    if (!_styleBtn)
+    {
+        _styleBtn = [[UIButton alloc] initWithFrame:CGRectMake(mScreenWidth *0.5-70, CGRectGetMaxY(self.tableView.frame) + 20, 140, 30)];
+        [_styleBtn setTitle:@"选择上传方式" forState:UIControlStateNormal];
+        [_styleBtn addTarget:self action:@selector(styleBtnAction) forControlEvents:UIControlEventTouchUpInside];
+        _styleBtn.backgroundColor = [UIColor redColor];
+    }
+    return _styleBtn;
+}
+
 - (void)didReceiveMemoryWarning {
     [super didReceiveMemoryWarning];
     // Dispose of any resources that can be recreated.
 }
-
 /*
  #pragma mark - Navigation