bms-java/src/main/java/com/zy/bms/utils/MD5Util.java

package com.zy.bms.utils;


import java.security.MessageDigest;

/**
 * MD5 字符串加密
 *
 * @author chen_yi
 * Create on 2020/10/17
 */
public class MD5Util {

    /**
     * MD5 字符串加密
     *
     * @param plainText 加密字符串
     * @return String 返回32位md5加密字符串
     */
    public static String MD5Encode(String plainText) {
        try {
            StringBuilder stringBuilder = new StringBuilder();
            MessageDigest messageDigest = MessageDigest.getInstance("MD5");
            messageDigest.update(plainText.getBytes());
            byte[] bytes = messageDigest.digest();
            int i;
            for (byte value : bytes) {
                i = value;
                if (i < 0) i += 256;
                if (i < 16) stringBuilder.append("0");
                stringBuilder.append(Integer.toHexString(i));
            }
            return stringBuilder.toString();
        } catch (Exception e) {
            return null;
        }
    }
}