微信小程序生成uuid

一.添加util.js文件

/**

* 生成uuid

*/

const wxuuid = function () {

var s = [];

var hexDigits = "0123456789abcdef";

for (var i = 0; i < 36; i++) {

s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);

}

s[14] = "4"; // bits 12-15 of the time_hi_and_version field to 0010

s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1); // bits 6-7 of the clock_seq_hi_and_reserved to 01

s[8] = s[13] = s[18] = s[23] = "-";

var uuid = s.join("").replace("-","");

return uuid

}

//一定要在这里面注册，否则没有用

module.exports = {

wxuuid: wxuuid

}

 

二.页面引入js

var util = require('../../utils/util.js');

console.log(util.wxuuid());