Question

jsp中如何给用户密码加密，我要详细步骤的。。。求解，求解。。。

Answer 1

import java.security.*;
……

public final static String getMD5(String s) { // MD5
char hexDigits[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
try {
byte[] strTemp = s.getBytes();
MessageDigest _1011 = MessageDigest.getInstance("MD5");
_1011.update(strTemp);
byte[] _1010 = _1011.digest();
int j = _1010.length;
char str[] = new char[j * 2];
int k = 0;
for (int i = 0; i < j; i++) {
byte byte0 = _1010[i];
str[k++] = hexDigits[byte0 >>> 4 & 0xf];
str[k++] = hexDigits[byte0 & 0xf];
}
return new String(str);
} catch (Exception e) {
return null;
}
}

Answer 2

把input的属性设成type=“password”就可以了