?? add.java
字號:
/*
* 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.*;
/**
****************************************************
*類名稱: Add<br>
*類功能: 增加狀態信息<br>
*創建: 白偉明 2004年9月25日<br>
****************************************************
* To change the template for this generated type comment go to
* Window>Preferences>Java>Code Generation>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);
//查詢狀態是否存在
if(rs.next()){
session.setAttribute("depmsg","該狀態已存在");
}else{
db.close();
//添加狀態
stmt=db.getStmt();
temp=stmt.executeUpdate(sqli);
if(temp>0){
session.setAttribute("depmsg","添加成功");
}else{
session.setAttribute("depmsg","添加失敗");
}
}
} 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);
}
}
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