iOS实现压缩图片上传功能

#pragma mark - 打开相机-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info{  UIImage *image = info[UIImagePickerControllerOriginalImage];  self.currentTapCell.photoManageImgView.image = image;  NSIndexPath * indexPath = [self.baseTable indexPathForCell:self.currentTapCell];  NSString * key = [NSString stringWithFormat:@"ineed%u%u", indexPath.row, indexPath.section];    [[NetEngineHelper shareNetEngine] postUploadWithUrl:k_uploadPhoto_url image:image fileName:[NSString stringWithFormat:@"%@.png", key] fileType:@"PNG/JPEG/JPG" success:^(id response) {    if ([response[@"STATUS"] intValue] != 0) {      NSString * str = @"";      if (response[@"ERRORDESC"]) {        str = response[@"ERRORDESC"];      }else{        str = @"系统异常";      }      [AlertHelper shareAlertHelper].onVC = self;      [AlertHelper shareAlertHelper].alertTitle = str;      [AlertHelper shareAlertHelper].alertMessage = nil;      [[AlertHelper shareAlertHelper] alertVcWithSureAction:^(id response) {               }];    }else{      [AlertHelper shareAlertHelper].onVC = self;      [AlertHelper shareAlertHelper].alertTitle = @"上传成功";      [AlertHelper shareAlertHelper].alertMessage = nil;      [[AlertHelper shareAlertHelper] alertVcWithSureAction:^(id response) {               }];             if ([self.currentTapCell.photoDescribeLable.text isEqualToString:@"上传诊断证明"]) {        [self.successUploadDic setValue:response[@"FILEID"] forKey:@"PROVEID"];      }      if ([self.currentTapCell.photoDescribeLable.text isEqualToString:@"上传病历首页"]){        [self.successUploadDic setValue:response[@"FILEID"] forKey:@"CASEHOMEID"];      }                           NSLog(@"上传结果  %@", response);    }   } fail:^(NSError *error) {    [AlertHelper shareAlertHelper].onVC = self;    [AlertHelper shareAlertHelper].alertTitle = error.userInfo[@"NSLocalizedDescription"];    [AlertHelper shareAlertHelper].alertMessage = nil;    [[AlertHelper shareAlertHelper] alertVcWithSureAction:^(id response) {           }];   }];        [self dismissViewControllerAnimated:YES completion:^{       }];}            #pragma mark - 打开相机-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary<NSString *,id> *)info{  UIImage *image = info[UIImagePickerControllerOriginalImage];  self.currentTapCell.photoManageImgView.image = image;  NSIndexPath * indexPath = [self.baseTable indexPathForCell:self.currentTapCell];  NSString * key = [NSString stringWithFormat:@"ineed%u%u", indexPath.row, indexPath.section];    [[NetEngineHelper shareNetEngine] postUploadWithUrl:k_uploadPhoto_url image:image fileName:[NSString stringWithFormat:@"%@.png", key] fileType:@"PNG/JPEG/JPG" success:^(id response) {    if ([response[@"STATUS"] intValue] != 0) {      NSString * str = @"";      if (response[@"ERRORDESC"]) {        str = response[@"ERRORDESC"];      }else{        str = @"系统异常";      }      [AlertHelper shareAlertHelper].onVC = self;      [AlertHelper shareAlertHelper].alertTitle = str;      [AlertHelper shareAlertHelper].alertMessage = nil;      [[AlertHelper shareAlertHelper] alertVcWithSureAction:^(id response) {               }];    }else{      [AlertHelper shareAlertHelper].onVC = self;      [AlertHelper shareAlertHelper].alertTitle = @"上传成功";      [AlertHelper shareAlertHelper].alertMessage = nil;      [[AlertHelper shareAlertHelper] alertVcWithSureAction:^(id response) {               }];             if ([self.currentTapCell.photoDescribeLable.text isEqualToString:@"上传诊断证明"]) {        [self.successUploadDic setValue:response[@"FILEID"] forKey:@"PROVEID"];      }      if ([self.currentTapCell.photoDescribeLable.text isEqualToString:@"上传病历首页"]){        [self.successUploadDic setValue:response[@"FILEID"] forKey:@"CASEHOMEID"];      }                           NSLog(@"上传结果  %@", response);    }   } fail:^(NSError *error) {    [AlertHelper shareAlertHelper].onVC = self;    [AlertHelper shareAlertHelper].alertTitle = error.userInfo[@"NSLocalizedDescription"];    [AlertHelper shareAlertHelper].alertMessage = nil;    [[AlertHelper shareAlertHelper] alertVcWithSureAction:^(id response) {           }];   }];        [self dismissViewControllerAnimated:YES completion:^{       }];}             /**上传文件*/-(void)postUploadWithUrl:(NSString *)urlStr image:(UIImage *)image fileName:(NSString *)fileName fileType:(NSString *)fileTye success:(Success)success fail:(Faile)fail{     NSString * resultStr = [urlStr stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];  self.success = success;  self.failer = fail;  AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];  manager.responseSerializer = [AFHTTPResponseSerializer serializer];  manager.responseSerializer.acceptableContentTypes = [NSSet setWithObjects:@"text/html",@"application/json",@"text/plain" ,nil];  [manager.requestSerializer setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];  manager.responseSerializer=[AFJSONResponseSerializer serializer];  manager.requestSerializer = [AFHTTPRequestSerializer serializer];  [manager.securityPolicy setAllowInvalidCertificates:YES];     UIApplication *application = [UIApplication sharedApplication];  application.networkActivityIndicatorVisible = YES;  [manager POST:resultStr parameters:nil constructingBodyWithBlock:^(id<AFMultipartFormData> formData) {         NSData * imgData = UIImageJPEGRepresentation(image, 0.02);    [formData appendPartWithFileData:imgData name:@"FILENAME" fileName:fileName mimeType:fileTye];            } success:^(AFHTTPRequestOperation *operation, id responseObject) {    success(responseObject);    application.networkActivityIndicatorVisible = NO;  } failure:^(AFHTTPRequestOperation *operation, NSError *error) {    fail(error);    application.networkActivityIndicatorVisible = NO;  }];}