java md5工具类分享

复制代码 代码如下:
import javasecurityMessageDigest;
import javasecurityNoSuchAlgorithmException;

 
public class Md5Util {
     
    public static String md5(String value) {  
        try {  
            MessageDigest md = MessageDigestgetInstance("md5");  
            byte[] e = mddigest(valuegetBytes());  
            return toHex(e);  
        }  
        catch (NoSuchAlgorithmException e) {  
            eprintStackTrace();  
            return value;  
        }  
    }  

     
    public static String md5(byte[] bytes){
        try {  
            MessageDigest md = MessageDigestgetInstance("md5");  
            byte[] e = mddigest(bytes);  
            return toHex(e);  
        }  
        catch (NoSuchAlgorithmException e) {  
            e.printStackTrace();  
            return "";  
        }  
    }  

     
    private static String toHex(byte bytes[]){
        StringBuilder hs = new StringBuilder();  
        String stmp ="";
        for (int n = 0; n < byteslength; n++) {  
            stmp = IntegertoHexString(bytes[n] & 0xff);  
            if (stmplength() == 1)  
                hsappend("0")append(stmp);  
            else 
                hsappend(stmp);  
        }  
        return hstoString();  
    }  
}