夺命雷公狗---微信开发49----获取用户列表接口（1）

<?php
    header("Content-Type:text/html;Charset=utf-8");
    require_once "common.php";
    require_once "get_token.php";
    
    //链接数据库
    $connect = mysql_connect(‘localhost‘,‘root‘,‘root‘) or die(‘数据库连接失败‘);
    mysql_select_db(‘wxdb‘,$connect);
    mysql_query(‘set names utf8‘);
    
    //因为默认是从1开始取的，所以&next_openid=NEXT_OPENID"这里可以不需要
    $url = "https://api.weixin.qq.com/cgi-bin/user/get?access_token={$access_token}";
    $res2 = http_request($url,null);
    //进行惊悚解码
    $res2 = json_decode($res2);
    $res2 = $res2->data->openid;
    //取出有多少个openid
    $openid_num = count($res2);
    //遍历出openid
    for($i=0;$i<$openid_num;$i++){
        //这时我们通过openid来获取用户的信息
        $fromUsername = $res2[$i];
        $url = "https://api.weixin.qq.com/cgi-bin/user/info?access_token={$access_token}&openid={$fromUsername}";
        //发送请求
        $res = http_request($url,null);
        $res = json_decode($res);
        //获取我们所需要的各种信息
        $nickname = $res->nickname;//用户昵称
        $sex = $res->sex;//性别
        $country = $res->country;//国家
        $province = $res->province;//省份
        $city = $res->city;//城市
        $address = "{$country}{$province}{$city}";
        $subscribe_time = $res->subscribe_time;//用户关注的时间
        $sjc = date(‘Y-m-d-H:i:s‘);
        $groupid = $res->groupid;//用户所在的分组ID
        $headimgurl = $res->headimgurl;//用户头像
        //利用substr函数获取小头像地址 0代表从第0个开始获取，-1代表去掉最后一个
        $samll_head_imgurl = substr($headimgurl,0,-1).‘132‘;
        
        //数据库进行插入
        $sql = "insert into userinfo2 (id,openid,nickname,headurl,address,sex) values(NULL,‘{$fromUsername}‘,‘{$nickname}‘,‘{$samll_head_imgurl}‘,‘{$address}‘,‘{$sex}‘)";
        mysql_query($sql);
        
        echo "保存成功第{$i}个<br />";
    }