http post失败不返回

2013-02-05 09:08:21 450 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

HTTP POST请求400错误排查与解决方案 HTTP 400 Bad Request错误是客户端请求存在语法问题时服务器返回的状态码。理解HTTP协议和RESTful API设计原则是排查这类错误的基础。从技术实现看，400错误通常源于请求头配置不当、请求体格式错误或参数验证失败，这些问题直接影响API调用的成功率。在实际开发中，合理使用Postman、curl等调试工具能快速定位问题，而完善的客户端校验和错误处理机制则是预防400错误的关键。特别是在JSON数据交互和HTTPS通信场景下，Content-Type设置和TLS配置成为高频出错点。掌握阅读详情



stringstream stream;

	stream<<"POST /ww/wap_ww_dialog.htm?_input_charset=utf-8&sid=4b3b76b98da52e385074911f0829bfd8 HTTP/1.1\r\n"

	<<"Host: im.m.taobao.com\r\n"

	<<"User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.1 (KHTML, like Gecko) Chrome/21.0.1180.89 Safari/537.1\r\n"

	<<"Accept: text/html, application/xhtml+xml, */*\r\n"

	<<"Accept-Language: zh-cn,zh;q=0.5\r\n"

	<<"Accept-Charset: GBK,q=0.7,*;q=0.3\r\n"

	<<"Cache-Control: max-age=0\r\n"

	<<"Accept-Encoding: gzip, deflate\r\n"

	<<"Content-Length: 530\r\n"	

	<<"Content-Type: application/x-www-form-urlencoded\r\n"	

	<<"Cache-Control: no-cache\r\n"		

	<<"Referer: http://im.m.taobao.com/ww/wap_ww_dialog.htm?_input_charset=utf-8&sid=4b3b76b98da52e385074911f0829bfd8\r\n"	

	<<"Cookie: imewweoriw=2t0PZ8JvIuoz4tV5Q%2BbcPW09zndtnMEVF7qJl6mbSbQ%3D\r\n"

	<<"Connection: Keep-Alive\r\n\r\n"

	<<"action=wap_ww_action&sid=4b3b76b98da52e385074911f0829bfd8&pay_order_id=&pay_order_id=&shop_id=&item_id=&toUser=Y250YW9iYW%2FI8dGptvkxMzE0&returnUrl=&firstMsg=true&sendItemInfoFlag=true&tmpItemId=&wwMsg=2013%E6%98%A5%E8%8A%82%E6%96%B0%E6%AC%BE%E5%93%81%E6%A0%BC%E5%AD%90%E6%AF%9B%E5%91%A2%E5%A4%A7%E8%A1%A3+%E7%BB%8F%E5%85%B8%E6%A0%BC%E7%BA%B9%E9%95%BF%E6%AC%BE%E5%91%A2%E5%A4%96%E5%A5%97%E4%B8%93%E6%9F%9C%E6%AD%A3%E5%93%81+%E7%89%9B%E8%A7%92&fastTalk=no_%21fasttalk_@value&event_submit_do_send_message=%E5%8F%91%E6%B6%88%E6%81%AF\r\n\r\n";

	str = stream.str();