七牛上传图片问题总结
2016-05-23 14:02
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1.图片的不同状态显示
解决方法一:
本地路径 | 网络路径 | 状态 |
---|---|---|
1 | 0 | 点击上传 |
1 | 1 | 已上传 |
0 | 1 | 已上传 |
0 | 0 | 点击拍照 |
if([image hasPrefix:@"http"] ) { //只要有网络路径或者本地图片已上传 -- 就代表已上传 [cell.uploadButton setTitle:@"已上传" forState:UIControlStateNormal]; cell.UploadStausImageView.image = [UIImage imageNamed:@"uploadedMany"]; }else if ([path hasPrefix:@"/"] ) { //本地有 但是没有网络路径 --代表 等待上传 [cell.uploadButton setTitle:@"点击上传" forState:UIControlStateNormal]; cell.UploadStausImageView.image = [UIImage imageNamed:@"waitingUpload"]; }else { [cell.uploadButton setTitle:@"点击拍照" forState:UIControlStateNormal]; cell.UploadStausImageView.image = [UIImage imageNamed:@"clickToTakePhoto"]; }
这只是刚入坑而已.这样做存在一个问题:本地路径,网络路径同时存在的话有两种可能 1.已上传 2.点击上传(更新图片的情况)
于是又有了以下思路:利用标记的思想,来判断本地图片是否已经上传过.
标记本地图片 | 状态 |
---|---|
0 | 点击上传 |
1 | 已上传 |
if([image hasPrefix:@"http"] ) { //只要有网络路径或者本地图片已上传 -- 就代表已上传 //既有网络路径又有本地路径 有两种情况 if ([[[NSUserDefaults standardUserDefaults]objectForKey:path] isEqualToString:@"0"] ) { [cell.uploadButton setTitle:@"点击上传" forState:UIControlStateNormal]; cell.UploadStausImageView.image = [UIImage imageNamed:@"waitingUpload"]; }else { [cell.uploadButton setTitle:@"已上传" forState:UIControlStateNormal]; cell.UploadStausImageView.image = [UIImage imageNamed:@"uploadedMany"]; } }else if ([path hasPrefix:@"/"] || [[[NSUserDefaults standardUserDefaults]objectForKey:path] isEqualToString:@"0"]) { //本地有 但是没有网络路径 --代表 等待上传 [cell.uploadButton setTitle:@"点击上传" forState:UIControlStateNormal]; cell.UploadStausImageView.image = [UIImage imageNamed:@"waitingUpload"]; }else { [cell.uploadButton setTitle:@"点击拍照" forState:UIControlStateNormal]; cell.UploadStausImageView.image = [UIImage imageNamed:@"clickToTakePhoto"]; }
2.上传单张图片
公司利用的是一个第三方(七牛),自己也封装了一个上传单张图片的类
- (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]; //先获取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.上传多张图片
七牛第三方并没有提供多张图片上传的方法,但是无所谓.
//上传多张图片 - (void)uploadImagesWithFileArray:(NSMutableArray *)fileArray progress:(void(^)(CGFloat))progress success:(void(^)(NSString *))success failure:(void(^)())failure { //判断网络状态 AFNetworkReachabilityManager *netStatus = [AFNetworkReachabilityManager sharedManager]; [netStatus startMonitoring]; [netStatus setReachabilityStatusChangeBlock:^(AFNetworkReachabilityStatus status) { if (status == AFNetworkReachabilityStatusNotReachable) {//无网络连接 [SVProgressHUD showWithStatus:@"当前无网络连接"]; } if (status == AFNetworkReachabilityStatusReachableViaWWAN) { //手机自带网络 //提示用户是否继续进行上传图片 UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"友情提示" message:@"当前使用的手机流量,您是否继续?" delegate:[LBUploadManager sharedInstance] cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil]; [alert show]; } if (status == AFNetworkReachabilityStatusReachableViaWiFi) { //wifi //1.获取所有的图片 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, ^{ //上传头像 [[LBUploadManager sharedInstance]uploadWithFile:imageArray[i] withProgress:^(NSString *key, float percent) { progress(percent); } success:^(NSString *url) { success(url); //获取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) { //未知网络 } }];
}
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