2021-09-21 字符编码

clipboard.png

import java.util.Arrays;

public class EncodeDemo {

    public static void main(String[] args) throws Exception {
        String s = "你好";
        byte[] b1 = s.getBytes("GBK");
        System.out.println(Arrays.toString(b1));
        String s1 = new String(b1, "ISO8859-1");
        System.out.println("s1 = " + s1);

        // 对s1进行ISO8859-1编码
        byte[] b2 = s1.getBytes("ISO8859-1");
        System.out.println(Arrays.toString(b2));

        String s2 = new String(b2, "GBK");
        System.out.println("s2 = " + s2);
    }

}

clipboard.png
clipboard.png

Tomcat默认编码ISO8859-1