微信公众号Token验证，算法示例 和 公众号菜单设置

<?php
    $nonce     = $_GET['nonce'];
    $token     = 'weixin';
    $timestamp = $_GET['timestamp'];
    $echostr   = $_GET['echostr'];
    $signature = $_GET['signature'];
    //形成数组，然后按字典序排序
    $array = array();
    $array = array($nonce, $timestamp, $token);
    sort($array);
    //拼接成字符串,sha1加密 ，然后与signature进行校验
    $str = sha1( implode( $array ) );
    if( $str == $signature && $echostr ){
    //第一次接入weixin api接口的时候
    echo  $echostr;
    exit;
}
die('123');

{
    "button": [{
        "type":"click",
        "name": "政策解读",
        "sub_button": [{
            "type": "view",
            "url": "http://qhwanqi.com/",
            "name": "前海政策"
        }, {
            "type": "view",
            "url": "http://qhwanqi.com/",
            "name": "人才补贴"
        }]
    }, {
        "name": "服务列表",
        "type": "view",
        "url": "http://qhwanqi.com/#/service/list"
    }, {
        "name": "用户中心",
        "type":"click",
        "sub_button": [{
            "type": "view",
            "url": "http://qhwanqi.com/#/my",
            "name": "我的服务"
        }]
    }]
}