?? logincommand.java
字號(hào):
/*
* 模型之登錄業(yè)務(wù)操作組件
*/
package TestClass;
import javax.servlet.*;
import java.util.*;
import java.io.*;
import java.lang.*;
import java.sql.*;
import javax.sql.*;
public class LoginCommand implements Command
{
private String NextPage=null;
public LoginCommand(String nextPage)
{
//在構(gòu)造時(shí)定義下一頁面
this.NextPage=nextPage;
}
public String execute(ServletRequest request,ServletResponse response)
{
//取出傳來的參數(shù)信息
String pNo=request.getParameter("txtNo");
//實(shí)例狀態(tài)組件
AttendmentBean bean=null;
bean=new AttendmentBean();
//實(shí)例數(shù)據(jù)操作組件
AttendmentDBbean dbBean=null;
dbBean=new AttendmentDBbean();
//調(diào)用單個(gè)查詢操作
bean=dbBean.GetOne(pNo);
/*
*如果查詢不到結(jié)果,會(huì)報(bào)數(shù)據(jù)庫異常,無法繼續(xù)進(jìn)行
*/
if(bean==null)
NextPage="/Remarks.htm";
request.setAttribute("Login",bean);
dbBean.Close();
return NextPage;
}
}
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