?? messageinsave.java
字號:
package com.logistic.servlet;
import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.logistic.data.DataConnect;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import com.logistic.business.MessageManager;
import java.sql.Statement;
import java.sql.ResultSet;
public class MessageInSave extends HttpServlet {
private static final long serialVersionUID = -2305260907601477327L;
HttpSession session=null;
DataConnect dc=new DataConnect();
Statement stat=null;
ResultSet rs=null;
int id=0;
String mid=null;
String eid=null;
String mtitle=null;
String mtime=null;
String mcontent=null;
int flag=0;
RequestDispatcher requestdispatcher;
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("GB2312");
response.setContentType("text/html; charset=gb2312");
session=request.getSession();
/*--------取得messageinfotable表的MessageId并轉換成整型,并生成下條記錄的GoodsId-------*/
String sql="select * from messageinfotable order by ID desc limit 1";
try{
stat=dc.getStmtread();
rs =stat.executeQuery(sql);
rs.previous();
while(rs.next()){
id=Integer.valueOf(rs.getInt("MessageId"));
}
if(id>0){
id+=1;
}else{
id=10000+1;
}
}catch(Exception ex){
ex.printStackTrace();
}finally{dc.close();}
/*-----------------------------獲取提交信息把數據插入數據庫-------------------------*/
mid=String.valueOf(id);
eid=(String)session.getAttribute("employeeid");
mtitle=(String)request.getParameter("messagetitle");
mtime=(String)new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(Calendar.getInstance().getTime());
mcontent=(String)request.getParameter("messagecontent");
/*---------------判斷登陸用戶的loginid是否存在,公告標題是否為null,公告內容是否為空-------*/
if(eid==null||mtitle==null||mcontent==null){
session.setAttribute("errors", "公告信息添加失敗!");
requestdispatcher=request.getRequestDispatcher("/errors/errorpage.jsp");
requestdispatcher.forward(request, response);
}else{
try{
flag=-10;
MessageManager mm=new MessageManager();
flag=mm.AddMessage(mid, eid, mtitle, mtime, mcontent);
if(flag>0){
session.setAttribute("success", "公告信息添加成功!");
requestdispatcher=request.getRequestDispatcher("/viewpage/datainput/addmessageinfo.jsp");
requestdispatcher.forward(request, response);
}else{
session.setAttribute("errors", "公告信息添加失敗!");
requestdispatcher=request.getRequestDispatcher("/errors/errorpage.jsp");
requestdispatcher.forward(request, response);
}
}catch(Exception ex){ex.printStackTrace();}
}
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request,response);
}
}
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