node querystring

const querystring = require("querystring")


let sss = "username=田建民&password=11111"
let str = querystring.escape("username=田建民&password=11111");
//username%3D%E7%94%B0%E5%BB%BA%E6%B0%91%26password%3D11111


let str1 = querystring.parse(sss);
//username: '田建民', password: '11111'
// 'username=田建民&password=11111'
//console.log(str1)
let str2 = querystring.stringify(str1)
//username=%E7%94%B0%E5%BB%BA%E6%B0%91&password=11111
//username%3D%E7%94%B0%E5%BB%BA%E6%B0%91%26password%3D11111=
console.log(str2)


let str3 = querystring.unescape(str2)
//username=田建民&password=11111=
//console.log(str3)