<?php//前端进行网络请求  ajax//后台进行网络请求用到两种方式  curl   socket//进行网络请求的步骤//1.初始化一个curl//2.对curl进行配置//3.执行curl//4.关闭curlfunction httpGet($url){//初始化$curl = curl_init();//curl_setopt设置一个cURL传输选项  三个参数//由curl_init()返回的cURL句柄//需要设置的CURLOPT_XXX选项//将设置在option选项上的值//配置curl_setopt($curl,CURLOPT_URL,$url);//作用:1.不让curl_exec自动执行  2.将结果返回一个字符串curl_setopt($curl,CURLOPT_RETURNTRANSFER,true);//执行cURL$res = curl_exec($curl);//关闭curl_close($curl);return $res;}// $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wxb2671dd2665ac3a9&secret=afeeba74b070dd6daf6784fe40b2451e";// $res = httpGet($url);// echo $res;//封装postfunction httpPost($url,$data){//初始化一个curl回话$curl = curl_init();//声明post请求curl_setopt($curl,CURLOPT_POST,true);//设置curl回话curl_setopt($curl,CURLOPT_URL,$url);//设置请求体curl_setopt($curl,CURLOPT_POSTFIELDS,$data);//设置CURLOPT_RETURNTRANSFER   防止curl_exec直接输出curl_setopt($curl,CURLOPT_RETURNTRANSFER,true);//执行$res = curl_exec($curl);//关闭curl_close($curl);//返回值return $res;}$url = "https://api.weixin.qq.com/cgi-bin/user/info/updateremark?access_token=kSptEAufwzE9YEc5TzOaliQaIB34qXkp8IvEX7h2YlRG6c8rwTktxOQxrh8lRN99w49Ksnrm2UHqpPJXpMggk-99r0I0bC6tRUASYIy3OhB5d1wgknGqUdkzZKvoSOcTKOWgAJAAEM";$data = '{"openid":"测试号",id   "remark":"改名"}';httpPost($url,$data);$url1 = "https://api.weixin.qq.com/cgi-bin/user/info?access_token=kSptEAufwzE9YEc5TzOaliQaIB34qXkp8IvEX7h2YlRG6c8rwTktxOQxrh8lRN99w49Ksnrm2UHqpPJXpMggk-99r0I0bC6tRUASYIy3OhB5d1wgknGqUdkzZKvoSOcTKOWgAJAAEM&openid=oA0JhwOoEVNp8TGm2AqIkTuR4gC4&lang=zh_CN ";echo httpGet($url1);?>