Java URL转义

import java.net.URLEncoder;
import java.io.UnsupportedEncodingException;

public class UrlEncoderExample {
    public static void main(String[] args) {
        String url = "https://www.example.com/api/getInfo?name=张三&age=18";
        try {
            String encodedUrl = URLEncoder.encode(url, "UTF-8");
            System.out.println("Encoded URL: " + encodedUrl);
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    }
}

Encoded URL: https%3A%2F%2Fwww.example.com%2Fapi%2FgetInfo%3Fname%3D%E5%BC%A0%E4%B8%89%26age%3D18

import java.net.URLDecoder;
import java.io.UnsupportedEncodingException;

public class UrlDecoderExample {
    public static void main(String[] args) {
        String encodedUrl = "https%3A%2F%2Fwww.example.com%2Fapi%2FgetInfo%3Fname%3D%E5%BC%A0%E4%B8%89%26age%3D18";
        try {
            String decodedUrl = URLDecoder.decode(encodedUrl, "UTF-8");
            System.out.println("Decoded URL: " + decodedUrl);
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
    }
}

Decoded URL: https://www.example.com/api/getInfo?name=张三&age=18