?? signin.java
字號:
package com.jdon.simpleregister;
import java.util.Properties;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
*
* <p>Title: </p>
* <p>Description:
* 用戶登陸
* </p>
* <p>Copyright: Jdon.com Copyright (c) 2003</p>
* <p>Company: 上海解道計算機技術有限公司</p>
* @author banq
* @version 1.0
*/
public class SignIn {
private final static String sql =
"SELECT userid,password FROM password WHERE userid=? AND password = PASSWORD(?)";
private boolean auth = false;
private String action = null;
private String userid = null;
private String password = null;
public boolean isAuth()
{
return auth;
}
public String getAction() {
return action;
}
public void setAction(String action) {
this.action = action;
}
public String getUserid() {
return userid;
}
public void setUserid(String userid) {
this.userid = userid;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public boolean validate() {
if (userid == null || userid.length() <= 0)
return false;
if (password == null || password.length() <= 0)
return false;
return true;
}
public boolean SignIn() {
if (auth) return auth;
Mysql mysql = new Mysql(sql);
try {
mysql.setString(1, userid);
mysql.setString(2, password);
ResultSet rs = mysql.executeQuery();
if (rs.next()) {
auth = true;
}
} catch (Exception e) {
System.err.println(e);
}
finally {
mysql.close();
mysql = null;
}
return auth;
}
}
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