微信小程序开发技巧集锦（1）：获取openid、seeeion_key、

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1、注册账号 https://mp.weixin.qq.com ，获取 appID appSecret

2、配置 appID appSecret LoginUrl

$code = $_GET['code'];  //此code为小程序提供
$AppID = '***';
$AppSecret = '***';
$LoginUrl = "https://api.weixin.qq.com/sns/jscode2session?" .
           "appid=%s&secret=%s&js_code=%s&grant_type=authorization_code";


$wxLoginUrl = sprintf($LoginUrl,$AppID,$AppSecret,$code);



//curl
    //初始化
    $curl = curl_init();

    curl_setopt($curl, CURLOPT_URL, $url);
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);


    //不做证书校验，部署在linux上环境下需要改为true
    curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($curl, CURLOPT_CONNECTTIMEOUT, 10);

    $file_contents = curl_exec($curl);

    $httpCode = curl_getinfo($curl,CURLINFO_HTTP_CODE);

    curl_close($curl);

//
$res = json_decode($file_contents,true);

附：code获取方式（小程序中）

wxml

<button type="primary" bindtap="getToken">申请令牌</button>

index.js中

var app = getApp()
var baseUrl = 'https://thinkp.cn/api/v1';  //thinkp.cn为配置的合法request域名
Page({
  onLoad: function () {
  },

 

  getToken: function () {
    //调用登录接口
    wx.login({
      success: function (res) {
        var code = res.code;
        console.log('code');
        console.log(code);   //打印出code
        wx.request({
          url: baseUrl + '/token/user',  // 路由
          data: {
            code: code
          },
          method: 'POST', // OPTIONS, GET, HEAD, POST, PUT, DELETE, TRACE, CONNECT
          success: function (res) {
            console.log(res.data);
            wx.setStorageSync('token', res.data.token);
          },
          fail: function (res) {
            console.log(res.data);
          }
        })
      }
    })
  },

 
})