Java中Base64（实例）

package com.Test;

import java.io.UnsupportedEncodingException;
import java.util.Base64;



public class test1 {
    public static void main(String[] args) {
        //编码
        String str=null;
        try {
            str = Base64.getEncoder().encodeToString("Hello World".getBytes("utf-8"));
        } catch (UnsupportedEncodingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        System.out.println("编码结果为："+str);


        //解码
        byte[] str1=Base64.getDecoder().decode("SGVsbG8gV29ybGQ=");
        try {
            System.out.println("解码结果为："+new String(str1,"utf-8"));
        } catch (UnsupportedEncodingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

}
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运行结果为：
编码结果为：SGVsbG8gV29ybGQ=
解码结果为：Hello World