第一步下载sdk
    微信获取当前地理位置接口 - 图1
    2.前台视图需要的js代码

    1. <script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script>
    2. <script charset="utf-8" src="http://map.qq.com/api/js?v=2.exp"></script>
    3. <script>
    4. // 添加收货地址定位
    5. function setWechatJSSDK(res){
    6.     wx.config({
    7.         debug: false,
    8.         appId: res.appId,
    9.         timestamp: res.timestamp,
    10.         nonceStr: res.nonceStr,
    11.         signature: res.signature,
    12.         jsApiList: [
    13.             'getLocation',
    14.             'scanQRCode'
    15.         ]
    16.     });
    17.     wx.ready(function () {
    18.         // 点击获取地理位置
    19.         $('.iconfont').click(function(){
    21.           wx.getLocation({
    22.             type: 'wgs84', // 默认为wgs84的gps坐标，如果要返回直接给openLocation用的火星坐标，可传入'gcj02'
    23.             success: function (res) {
    24.               var location = res.latitude+','+res.longitude;
    25.               var url = 'http://apis.map.qq.com/ws/geocoder/v1/?'
    26.               var data={
    27.                   location: location,
    28.                   key: 'SQGBZ-QV7RG-EPTQC-IZTVB-ID44J-YMFTA',
    29.                   output: "jsonp"
    30.               };
    31.               $.ajax({
    32.                       type:'get',
    33.                       dataType:'jsonp',
    34.                       data:data,
    35.                       url:url,
    36.                       success:function(json){
    37.                           alert(json.result.address);
    38.                           //这里是替换input的内容
    39.                           $('#address').html(json.result.address);
    40.                           // 补充弹框消失效果
    41.                       },
    42.                       error : function(err){alert("服务端错误，请刷新浏览器后重试")}
    43.               }); 
    45.             }
    46.           });
    47.         })
    49.         $('.getqrcode').click(function(){
    50.               wx.scanQRCode({
    51.                 needResult: 1,
    52.                 desc: 'scanQRCode desc',
    53.                 success: function (res) {
    54.                   var id = res.resultStr.split('=')[1];
    55.                   alert(JSON.stringify(res));
    56.                 }
    57.               });
    58.         })
    60.     });
    61. }
    62. function loadWechatJSSDK() {
    63.     $.get("{:U('addon/WeiuidDeit/Mobile/getlocation')}",{url:location.href}, function (res) {
    64.         setWechatJSSDK(res);
    65.     });
    66. }
    67. setTimeout(loadWechatJSSDK, 500);

    3.控制器需要的代码

    1. // 获取地址
    2.     public function getlocation(){
    3.         $wechatInfo = D('Mp')->find(3);
    4.         $options = array(
    5.             'token'             =>  $wechatInfo['valid_token'],                 
    6.             'encodingaeskey'    =>  $wechatInfo['encodingaeskey'],      
    7.             'appid'             =>  $wechatInfo['appid'],               
    8.             'appsecret'         =>  $wechatInfo['appsecret']            
    9.         );
    10.         $wechatObj = new Wechat($options);
    12.         $data = $wechatObj->getJsSign(I('get.url'));
    13.         $this->ajaxReturn($data);
    14.     }