js urlencode 用法

let param = "name=John Doe&age=30";
let encodedParam = encodeURIComponent(param);
console.log(encodedParam); // 输出: name%3DJohn%20Doe%26age%3D30

let value = "Hello World!";
let encodedValue = encodeURIComponent(value);
console.log(encodedValue); // 输出: Hello%20World%21

let baseUrl = "https://example.com/search";
let query = "query=JavaScript教程";
let fullUrl = `${baseUrl}?${encodeURIComponent(query)}`;
console.log(fullUrl); // 输出: https://example.com/search?query%3DJavaScript%E6%95%99%E7%A8%8B

let encodedUrl = "https://example.com/search?query%3DJavaScript%E6%95%99%E7%A8%8B";
let decodedUrl = decodeURIComponent(encodedUrl);
console.log(decodedUrl); // 输出: https://example.com/search?query=JavaScript教程