?? userdao.java
字號:
package com.xuanke.student.model;
import java.sql.*;
import com.xuanke.utils.JDBCBase;
import com.xuanke.utils.MyJDBCException;
public class UserDAO extends JDBCBase {
public UserDAO(Connection conn) {
super(conn);
}
public UserBean findUser(String username,String password) throws MyJDBCException {
UserBean result = null;
String sql = "select * from Users where ID='" +username+ "' and Pass='"+password+"'";
ResultSet rs = this.qry(sql);
if (rs == null)
return null;
try {
rs.beforeFirst();
if (rs.next()) {
UserBean bean = new UserBean();
bean.setUsername(rs.getString(1));
bean.setPassword(rs.getString(2));
result = bean;
}
rs.getStatement().close();
} catch (SQLException e) {
// TODO 自動生成 catch 塊
throw new MyJDBCException("讀取數據失敗");
}
return result;
}
}
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