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Request failed: internal server error (500)

1. 服务器可能出现错误,

2. 可能请求的数据格式有问题。

//    // 1.管理器

    AFHTTPRequestOperationManager *manager = [AFHTTPRequestOperationManager manager];

    manager.responseSerializer = [AFHTTPResponseSerializer serializer]; // 解决text/plain的的数据

    manager.requestSerializer = [AFHTTPRequestSerializer serializer]; // 二进制请求

    //manager.requestSerializer = [AFJSONRequestSerializer serializer]; // json格式

    //manager.requestSerializer = [AFPropertyListRequestSerializer serializer]; // plist格式

    // 1.1 设置超时时间

    [manager.requestSerializer willChangeValueForKey:@"timeoutInterval"];

    manager.requestSerializer.timeoutInterval = 10.f;

    [manager.requestSerializer didChangeValueForKey:@"timeoutInterval"];

    // 2. 转换成jsonString

    NSData *JsonData = [NSJSONSerialization dataWithJSONObject:body options:NSJSONWritingPrettyPrinted error:nil];

    NSString *stringjsonData = [[NSString alloc] initWithData:JsonData encoding:NSUTF8StringEncoding];

    // 2.请求

    [manager POST:strURL parameters:body success: ^(AFHTTPRequestOperation *operation, id responseObject) {。。。。。

将paramerters的参数传递成字典的类型(也就相当于json格式)

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