微信小程序扫码的代码及获取二维码的url地址

<view bindtap=" scanCode">点击扫码</view>
scanCode: function (options) {
var that = this;
wx.scanCode({
success: function (res) {
console.log(res);
that.setData({
result: res.result
});
var txt = that.data.result;
var d = txt.split( '?');
var e = d[ 1];
var g = '?'+e;
var getUrlParam= function (name,t) {
console.log(t);
var reg = new RegExp( "(^|&)" + name + "=([^&]*)(&|$)"); //构造一个含有目标参数的正则表达式对象
var r = t.substr( 1).match(reg); //匹配目标参数
if (r != null) return unescape(r[ 2]); return null; //返回参数值
};
var a = getUrlParam( 'device_secret', g);
console.log(a); //二维码参数的值
wx.setStorageSync( 'device_secret', a)
wx.request({
url: txt,
data: {
device_secret:a
},
method: "GET",
header: {
'content-type': 'application/json'
},
success: function (res) {
var data = JSON.stringify(res.data);
console.log(data)
if(data!= ''){
wx.navigateTo({
url: '../pay/pay?data=' + data
})
}
}
})
},
fail: function (res) {
}
});
}

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转载自blog.csdn.net/znysys520/article/details/80593007