java代码中如何生成MD5呢?

java代码生成MD5的方法

1.引入java.security包
2.生成MessageDigest.getInstance("MD5")实例;
3.使用实例中的digest方法,即可生成MD5字符串

import java.security.*;
byte[] bytesOfMessage = yourString.getBytes("UTF-8");
MessageDigest md = MessageDigest.getInstance("MD5");
byte[] theMD5digest = md.digest(bytesOfMessage);

package com.java265.other;
import java.security.MessageDigest;

public class TestMd5 {
	public static void main(String[] args) throws Exception {
		String str = "java265.com";
		byte[] bytesOfMessage = str.getBytes("UTF-8");
		 MessageDigest md = MessageDigest.getInstance("MD5");
			byte[] md5Info = md.digest(bytesOfMessage);
		 
			String result = "";
			//对byte数组进行遍历操作
			for (int i = 0; i < md5Info.length; i++) {
				String tmp = Integer.toHexString(md5Info[i] & 0xFF);
			    if (tmp.length() == 1) {
			        result += "0" + tmp;
			    } else {
			        result += tmp;
			            }
			    }

				System.out.println("result:" + result);
	 }
}

---运行以下代码，将输出以下信息-----
result:03042b8f47f6e512a6d74a6f68558c0c