Merge the HTTP data sending function into the network sending function. HTTP status codes are no longer used; instead, JSON is used to return errors.

[xengine-qyt]

合并http 发送数据函数到network发送函数中.http错误码不在使用而是使用json返回错误

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Merge the http sending data function into the network sending function. http error codes are no longer used but json is used to return errors.