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		     代码如下:     function do_post_request($url, $data, $optional_headers = null)     {      $params = array('http' => array(     'method' => 'post',     'content' => $data      ));      if ($optional_headers !== null) {     $params['http']['header'] = $optional_headers;      }      $ctx = stream_context_create($params);      $fp = @fopen($url, 'rb', false, $ctx);      if (!$fp) {     throw new exception(problem with $url, $php_errormsg);      }      $response = @stream_get_contents($fp);      if ($response === false) {     throw new exception(problem reading data from $url, $php_errormsg);      }      return $response;     }     用法如下:     代码如下:     //json字符串     $data = {...};     //转换成数组     $data=json_decode($data,true);     $postdata = http_build_query($data);     do_post_request(http://localhost,$postdata); |