add.java

来自「办公自动化管理系统 主要分为员工登录界面和管理员登录界面两部分」· Java 代码 · 共 72 行

/*
 * Created on 2004-9-24
 *
 * To change the template for this generated file go to
 * Window>Preferences>Java>Code Generation>Code and Comments
 */
package com.emstate;

import oa.sys.*;
import java.io.IOException;
import java.sql.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
 ****************************************************
 *类名称：	Add<br>
 *类功能：	增加状态信息<br>
 *创建：	白伟明	2004年9月25日<br>
 ****************************************************
 * To change the template for this generated type comment go to
 * Window&gt;Preferences&gt;Java&gt;Code Generation&gt;Code and Comments
 */
public class Add extends HttpServlet{
	private HttpSession session=null;
	private Statement stmt=null;
	private ResultSet rs=null;
	private String name,explain,sqli,sqls;
	private int temp=0;
	
	public void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException{
		request.setCharacterEncoding("gb2312");
		response.setContentType("text/html; charset=gb2312");
		Str str=new Str();
		Db db=new Db();
		session=request.getSession();
		name=request.getParameter("name");
		explain=request.getParameter("explain");
		name=str.inStr(name);
		explain=str.inStr(explain);
		sqli="INSERT INTO emstate(name,explain) VALUES('"+name+"','"+explain+"')";
		sqls="SELECT * FROM emstate WHERE name='"+name+"'";
		stmt=db.getStmtread();
		try {
			rs=stmt.executeQuery(sqls);
			//查询状态是否存在
			if(rs.next()){
				session.setAttribute("depmsg","该状态已存在");
			}else{
				db.close();
				//添加状态
				stmt=db.getStmt();
				temp=stmt.executeUpdate(sqli);
				if(temp>0){
					session.setAttribute("depmsg","添加成功");
				}else{
					session.setAttribute("depmsg","添加失败");
				}
			}
		} catch (SQLException e) {
			e.printStackTrace();
		}finally{
			db.close();
			RequestDispatcher dispatcher=request.getRequestDispatcher("add.jsp");
			dispatcher.forward(request,response);
		}
		
	}
	public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException{
		doPost(request,response);
	}
}