AFHTTPRequestOperationManager *?manager = [AFHTTPRequestOperationManager manager];

manager.responseSerializer= [AFHTTPResponseSerializer serializer];

[manager POST:url parameters:params constructingBodyWithBlock:^(id formData) {

NSData *data =UIImageJPEGRepresentation(image,0.5);//把要上傳的圖片轉成NSData

//把要上傳的文件轉成NSData

//NSString*path=[[NSBundlemainBundle]pathForResource:@"123"ofType:@"txt"];

//NSData*fileData = [NSDatadataWithContentsOfFile:path];

[formData appendPartWithFileData:dataname:@"uploadFile" fileName:@"圖片1" mimeType:@"image/png"];//給定數據流的數據名，文件名，文件類型（以圖片為例）

/*常用數據流類型：

@"image/png" 圖片

?@“video/quicktime” 視頻流

*/

}success:^(AFHTTPRequestOperation*operation,id responseObject) {

//NSLog(@"%@",responseObject);//返回結果

}failure:^(AFHTTPRequestOperation*operation,NSError*error) {

//NSLog(@"%@",error.localizedDescription);//請求失敗結果

}];