Java-Base64字符串转图片

package test;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Base64;

public class TestBase64 {

public static void main(String[] args) throws IOException {
Path path = Paths.get("C:\\Users\\史文天\\Desktop\\cjk.png");
byte[] bytes = Files.readAllBytes(path);
String encoding = Base64.getEncoder().encodeToString(bytes);
byte[] decoding = Base64.getDecoder().decode(encoding);
Path copy = Paths.get("C:\\Users\\史文天\\Desktop\\copy.png");
Files.write(copy, decoding);
}

}