📄 del.java
字号:
/*
* Created on 2004-9-25
*
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
package com.em;
import oa.sys.*;
import java.io.*;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
****************************************************
*类名称: Del<br>
*类功能: 删除员工信息<br>
*创建: 白伟明 2004年9月29日<br>
****************************************************
* To change the template for this generated type comment go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
public class Del extends HttpServlet{
private Statement stmt=null;
private String sql;
private RequestDispatcher dispatcher=null;
private HttpSession session=null;
private int id,temp;
private PrintWriter out=null;
public void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException{
request.setCharacterEncoding("gb2312");
response.setContentType("text/html; charset=gb2312");
out=response.getWriter();
session=request.getSession();
//获取数据
id=Integer.parseInt((String)request.getParameter("id"));
Db db=new Db();
Str str=new Str();
sql="DELETE FROM eminfo WHERE employeeid="+id;
try{
stmt=db.getStmt();
temp=stmt.executeUpdate(sql);
db.close();
if(temp>0){
request.setAttribute("msg2","删除成功");
}else{
request.setAttribute("msg2","删除失败");
}
}catch(Exception e){
request.setAttribute("msg2","删除失败,请删除有关该员工的其它信息!");
System.err.print(e.getMessage());
}finally{
db.close();
dispatcher=request.getRequestDispatcher("select.jsp");
dispatcher.forward(request,response);
}
}
public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException{
doPost(request,response);
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -