1.圖片的不同狀態顯示

解決方法一:

if([image hasPrefix:@"http"] ) {
    //只要有網絡路徑或者本地圖片已上傳 --  就代表已上傳
    [cell.uploadButton setTitle:@"已上傳" forState:UIControlStateNormal];
    cell.UploadStausImageView.image = [UIImage     imageNamed:@"uploadedMany"];
}else if ([path hasPrefix:@"/"] ) { //本地有  但是沒有網絡路徑  --代表 等待上傳
    [cell.uploadButton setTitle:@"點擊上傳" forState:UIControlStateNormal];
    cell.UploadStausImageView.image = [UIImage imageNamed:@"waitingUpload"];
}else {
    [cell.uploadButton setTitle:@"點擊拍照" forState:UIControlStateNormal];
    cell.UploadStausImageView.image = [UIImage imageNamed:@"clickToTakePhoto"];
}

這只是剛入坑而已.這樣做存在一個問題:本地路徑,網絡路徑同時存在的話有兩種可能

• 1.已上傳
• 2.點擊上傳(更新圖片的情況)

于是又有了以下思路:利用標記的思想,來判斷本地圖片是否已經上傳過.

if([image hasPrefix:@"http"] ) { //只要有網絡路徑或者本地圖片已上傳 --  就代表已上傳
  //既有網絡路徑又有本地路徑  有兩種情況
  if ([[[NSUserDefaults standardUserDefaults]objectForKey:path] isEqualToString:@"0"] ) {
    [cell.uploadButton setTitle:@"點擊上傳" forState:UIControlStateNormal];
  cell.UploadStausImageView.image = [UIImage imageNamed:@"waitingUpload"];
  }else {
    [cell.uploadButton setTitle:@"已上傳" forState:UIControlStateNormal];
    cell.UploadStausImageView.image = [UIImage imageNamed:@"uploadedMany"];
  }
}else if ([path hasPrefix:@"/"] || [[[NSUserDefaults standardUserDefaults]objectForKey:path] isEqualToString:@"0"]) { //本地有  但是沒有網絡路徑  --代表 等待上傳
    [cell.uploadButton setTitle:@"點擊上傳" forState:UIControlStateNormal];
    cell.UploadStausImageView.image = [UIImage imageNamed:@"waitingUpload"];
}else {
    [cell.uploadButton setTitle:@"點擊拍照" forState:UIControlStateNormal];
    cell.UploadStausImageView.image = [UIImage imageNamed:@"clickToTakePhoto"];
}

2.上傳單張圖片

公司利用的是一個第三方(七牛),自己也封裝了一個上傳單張圖片的類

- (void)uploadWithFile:(NSString *)file withProgress:(QNUpProgressHandler)progress success:(void(^)(NSString*url))success failure:(void(^)())failure {
    UIImage *getImage = [UIImage imageWithContentsOfFile:file];
    QNUploadOption *option = [[QNUplLBHTTPRequestoadOption alloc] initWithMime:nil progressHandler:progress params:nil checkCrc:NO cancellationSignal:nil];
    //先獲取token
    [LBHTTPRequest postImage:[LBHTTPRequest getUserId] token:[LBHTTPRequest getUserToken] userType:@"1" fileExt:@"png" SuccessBlock:^(BOOL isSuccess, NSDictionary *resultDic) {
  if (isSuccess) {
    NSString * token = resultDic[@"uploadToken"];
    QNUploadManager *upManager = [[QNUploadManager alloc] init];
    NSData *data;
    if (UIImagePNGRepresentation(getImage) == nil){
      data = UIImageJPEGRepresentation(getImage, 1);
    } else {
      data = UIImagePNGRepresentation(getImage);
    }
  [upManager putData:data key:resultDic[@"fileKey"] token:token
complete: ^(QNResponseInfo *info, NSString *key, NSDictionary *resp)   {
      [SVProgressHUD dismiss];
      // isLoadLogo = NO;
      if([resp[@"result"] intValue] == 200){
        [LBUploadManager sharedInstance].imageUrl = resp[@"fileUrl"];
        success([LBUploadManager sharedInstance].imageUrl);
      }
    } option:option];
  }
  }];
}

3.上傳多張圖片

七牛第三方并沒有提供多張圖片上傳的方法,但是無所謂.

//上傳多張圖片

- (void)uploadImagesWithFileArray:(NSMutableArray *)fileArray progress:(void(^)(CGFloat))progress success:(void(^)(NSString *))success failure:(void(^)())failure {
  //判斷網絡狀態
  AFNetworkReachabilityManager *netStatus = [AFNetworkReachabilityManager sharedManager];
  [netStatus startMonitoring];
  [netStatus setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) {
  if (status == AFNetworkReachabilityStatusNotReachable) {//無網絡連接
    [SVProgressHUD showWithStatus:@"當前無網絡連接"];
  }
  if (status == AFNetworkReachabilityStatusReachableViaWWAN) { //手機自帶網絡
  //提示用戶是否繼續進行上傳圖片
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"友情提示" message:@"當前使用的手機流量,您是否繼續?" delegate:[LBUploadManager sharedInstance] cancelButtonTitle:@"取消" otherButtonTitles:@"確定", nil];
    [alert show];
  }
  if (status == AFNetworkReachabilityStatusReachableViaWiFi) { //wifi
  //1.獲取所有的圖片
    NSMutableArray *imageArray = [[LBUploadManager sharedInstance]getImageArrayWithFileArray:fileArray];
    dispatch_queue_t queue = dispatch_get_global_queue(0, 0);
    dispatch_async(queue, ^{
    for (int i = 0; i < imageArray.count; i ++ ) {
      dispatch_async(queue, ^{  //上傳頭像
      [[LBUploadManager sharedInstance]uploadWithFile:imageArray[i] withProgress:^(NSString *key, float percent) {
        progress(percent);
      } success:^(NSString *url) {
        success(url);
      //獲取studentId
      NSString *key = [[LBUploadManager sharedInstance].fileArray[i] allKeys].lastObject;
      [LBHTTPRequest PostUpdataStudentImageWithStudentId:key withStudentImage:url andSuccessBlock:^(BOOL isSuccess, NSDictionary *resultDic) {
        if (isSuccess) {
            [[NSNotificationCenter defaultCenter]postNotificationName:@"refresh" object:nil];
            [[NSNotificationCenter defaultCenter]postNotificationName:@"updataStudentData" object:nil];
        }
          [[NSUserDefaults standardUserDefaults]setObject:@"1" forKey:imageArray[i]];
          [[LBUploadManager sharedInstance].fileArray removeObject:imageArray[i]];
        }];
      } failure:^{
    }];
    });
   }
  });
 }
    if (status == AFNetworkReachabilityStatusUnknown) { //未知網絡
    }
  }];
}