querystring js

const querystring = require('querystring');

// 解析查询字符串
const parsed = querystring.parse('name=John&age=30');
console.log(parsed); // { name: 'John', age: '30' }

// 格式化查询字符串
const stringified = querystring.stringify({ name: 'John', age: 30 });
console.log(stringified); // 'name=John&age=30'

// 解析查询字符串
const params = new URLSearchParams(window.location.search);
const name = params.get('name');
const age = params.get('age');
console.log(name, age); // 'John' '30'

// 格式化查询字符串
const newParams = new URLSearchParams({ name: 'Jane', age: 25 });
const newQueryString = newParams.toString();
console.log(newQueryString); // 'name=Jane&age=25'

// 编码查询字符串中的值
const encodedValue = encodeURIComponent('特殊字符 & value');
const queryString = `name=John&info=${encodedValue}`;

// 解析查询字符串
try {
  const parsed = querystring.parse(queryString);
  console.log(parsed);
} catch (error) {
  console.error('解析查询字符串时发生错误:', error);
}