URLSearchParams API在所有现代浏览器中都可用。例如:

const params = new URLSearchParams({ var1:“价值”, var2:“value2”, 加勒比海盗:“foo”, })； console.log (params.toString ()); / /打印“var1 = value&var2 = value2&arr = foo”

不，我认为标准JavaScript没有内置这个功能，但Prototype JS有这个功能(当然大多数其他JS框架也有，但我不知道它们)，他们称之为序列化。

I can reccomend Prototype JS, it works quite okay. The only drawback I've really noticed it it's size (a few hundred kb) and scope (lots of code for ajax, dom, etc.). Thus if you only want a form serializer it's overkill, and strictly speaking if you only want it's Ajax functionality (wich is mainly what I used it for) it's overkill. Unless you're careful you may find that it does a little too much "magic" (like extending every dom element it touches with Prototype JS functions just to find elements) making it slow on extreme cases.

ES2017 （ES8）

利用object .entries()，它返回对象的[key, value]对数组。例如，对于{a: 1, b: 2}，它将返回[['a'， 1]， ['b'， 2]]。只有IE不支持(将来也不会)。

代码:

const buildURLQuery = obj =>
      Object.entries(obj)
            .map(pair => pair.map(encodeURIComponent).join('='))
            .join('&');

例子:

buildURLQuery({name: 'John', gender: 'male'});

结果:

"name=John&gender=male"

如果你正在使用jQuery，你可能想要查看jQuery.param() http://api.jquery.com/jQuery.param/

例子:

var params = {
    parameter1: 'value1',
    parameter2: 'value2',
    parameter3: 'value3' 
};
var query = $.param(params);
console.log(query);

这将打印出:

parameter1=value1&parameter2=value2&parameter3=value3

创建一个URL对象并将值附加到seachParameters

let stringUrl = "http://www.google.com/search";
let url = new URL(stringUrl);
let params = url.searchParams;
params.append("q", "This is seach query");

console.log(url.toString());

输出将是

http://www.google.com/search?q=This+is+seach+query

Querystring可以提供帮助。

所以，你可以

const querystring = require('querystring')

url += '?' + querystring.stringify(parameters)