大家好，又见面了，我是你们的朋友全栈君。
import java.security.MessageDigest;
public class MyMD5 {
private String inStr;
private MessageDigest md5;
public MyMD5 (String inStr) {
this.inStr = inStr;
try {
this.md5 = MessageDigest.getInstance(“MD5”);
} catch (Exception e){
System.out.println(e.toString());
e.printStackTrace();
}
}
public String compute() {
char[] charArray = this.inStr.toCharArray();
byte[] byteArray = new byte[charArray.length];
for (int i=0; i<charArray.length; i++) {
byteArray[i] = (byte) charArray[i];
}
byte[] md5Bytes = this.md5.digest(byteArray);
StringBuffer hexValue = new StringBuffer();
for (int i = 0; i < md5Bytes.length; i++) {
int val = ((int) md5Bytes[i]) & 0xff;
if (val < 16) {
hexValue.append(“0”);
}
hexValue.append(Integer.toHexString(val));
}
return hexValue.toString();
}
public static void main(String[] args) {
MyMD5 md5s=new MyMD5(“abc”);
String postString = md5s.compute();
System.out.println(postString);
if(postString.equals(“900150983cd24fb0d6963f7d28e17f72”)){
System.out.println(“true”);
} else {
System.out.println(“false”);
}
}
}
发布者：全栈程序员-站长，转载请注明出处：https://javaforall.net/159043.html原文链接：https://javaforall.net
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