📄 managerservlet.java
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package com.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import com.sql.*;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.javaBeanDao.ManagerDao;
import com.javaBean.*;
/**
* 这是一个管理员的控制器
* @author 痴迷二胡
*
*/
public class ManagerServlet extends HttpServlet {
/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
ManagerDao md=new ManagerDao();
String path=request.getServletPath();//得到正在访问的页面的名字
if(path.equals("/Managerinsert.do"))
{
String name=request.getParameter("name");
String password=request.getParameter("password");
String password2=request.getParameter("password2");
String mjb=request.getParameter("mjb");
name=Utils.escapeHTML(name);
password=Utils.escapeHTML(password);
if(name.equals("")|password.equals("")|mjb.equals("")|password2.equals(""))
{
request.setAttribute("eoor","请输入完整管理员信息!!!");
request.setAttribute("path","Manager.html");
request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
return;
}
if(password.length()<6)
{
request.setAttribute("eoor","请输入六位数以上的密码!!!");
//request.setAttribute("name", name);
request.setAttribute("path","Manager.html");
request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
return;
}
if(password.equals(password2)==false)
{
request.setAttribute("eoor","两次输入不一致,请确认密码!!!");
request.setAttribute("path","Manager.html");
request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
return;
}
ResultSet rs=md.MnameSelect(name);
Random rd=new Random();
int sum=rd.nextInt(1000-1+1)+1;
int sum2=rd.nextInt(1000-1+1)+1;
// String suma=String.valueOf(sum2);
// char[] character=suma.toCharArray();
// for(int i=0;i<character.length;i++)
// {
// System.out.println("转换后为:"+character[i]);
// }
String name1=name.substring(0,3);
String name2=name1+"_"+sum+"_"+sum2;
ResultSet rs2=md.MnameSelect(name2);
try {
if(rs.next())
{
if(rs2.next())
{
sum=rd.nextInt(1000-1+1)+1;
sum2=rd.nextInt(1000-1+1)+1;
name1=name.substring(0,3);
name2=name1+"_"+sum+"_"+sum2;
request.setAttribute("eoor","该用户名已存在,请重新输入!!!<br>比如:"+name2);
request.setAttribute("path","Manager.html");
request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
}
else
{
request.setAttribute("eoor","该用户名已存在,请重新输入!!!<br>比如:"+name2);
request.setAttribute("path","Manager.html");
request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
return;
}
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Manager mr=new Manager(name,password,mjb);
md.getManagerInsert(mr);
response.sendRedirect("ManagerSelect.do");
}
else if(path.equals("/Managerdelete.do"))
{
String mid=request.getParameter("mid");
String name=request.getParameter("name");
if(name.equals("aaa"))
{
request.setAttribute("eoor","该用户名是系统用户名,不能被删除!!!");
request.setAttribute("path","ManagerSelect.do");
request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
return;
}
md.getManagerDelete(Integer.parseInt(mid));
response.sendRedirect("ManagerSelect.do");
}
else if(path.equals("/ManagerSelect.do"))
{
List list=new ArrayList();
list=md.getManagerSelect();
request.setAttribute("list", list);
request.getRequestDispatcher("ManagerSelect.jsp").forward(request, response);
}
else if(path.equals("/toManagerupdate2.do"))
{
String mname=request.getParameter("mname").trim();
mname=Utils.escapeHTML(mname);
if(mname.equals("aaa"))
{
request.setAttribute("eoor","该用户名是系统用户名,不能被修改!!!");
request.setAttribute("path","DenLu.jsp");
request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
return;
}
String password=request.getParameter("password");
String password2=request.getParameter("password2");
ResultSet rs=md.PassWordSelect(mname, password);
System.out.println(password+mname);
try {
if(rs.next())
{
Manager mg=md.getMidSelect2(mname);
//mname=Utils.escapeHTML(mname);
//password2=Utils.escapeHTML(password2);
Manager mr=new Manager(mg.getMid(),mname,password2);
md.getManagerUpdate2(mr);
request.setAttribute("rs", "修改成功,请记住该密密码!!!");
}
else
{
request.setAttribute("rs", "原用户密码错误!!!");
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//request.setAttribute("mg", mg);
request.getRequestDispatcher("DenLu.jsp").forward(request, response);
}
else if(path.equals("/toManagerupdate.do"))
{
String mid=request.getParameter("mid");
String name=request.getParameter("name");
if(name.equals("aaa"))
{
request.setAttribute("eoor","该用户名是系统用户名,不能被修改!!!");
request.setAttribute("path","ManagerSelect.do");
request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
return;
}
Manager mg=md.getMidSelect(Integer.parseInt(mid));
request.setAttribute("mg", mg);
request.getRequestDispatcher("ManagerUpdate.jsp").forward(request, response);
}
else if(path.equals("/Managerupdate.do"))
{
String mid=request.getParameter("mid");
String name=request.getParameter("name");
String name3=request.getParameter("name2");
String password=request.getParameter("password");
String password2=request.getParameter("password2");
String pass=request.getParameter("pass");
String mjb=request.getParameter("mjb");
if(name.equals("")|mjb.equals(""))
{
request.setAttribute("eoor","请输入完整管理员信息!!!");
request.setAttribute("path","toManagerupdate.do?mid="+mid+"&name="+name+"");
request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
return;
}
if(name.equals(name3)==false)
{
ResultSet rs3=md.MnameSelect(name);
Random rd=new Random();
int sum=rd.nextInt(1000-1+1)+1;
int sum2=rd.nextInt(1000-1+1)+1;
String name1=name.substring(0,3);
String name2=name1+"_"+sum+"_"+sum2;
ResultSet rs2=md.MnameSelect(name2);
try {
if(rs3.next())
{
if(rs2.next())
{
sum=rd.nextInt(1000-1+1)+1;
sum2=rd.nextInt(1000-1+1)+1;
name1=name.substring(0,3);
name2=name1+"_"+sum+"_"+sum2;
request.setAttribute("eoor","该用户名已存在,请重新输入!!!<br>比如:"+name2);
request.setAttribute("path","toManagerupdate.do?mid="+mid+"&name="+name+"");
request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
}
else
{
request.setAttribute("eoor","该用户名已存在,请重新输入!!!<br>比如:"+name2);
request.setAttribute("path","toManagerupdate.do?mid="+mid+"&name="+name+"");
request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
return;
}
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return;
}
if(password.equals("")|password2.equals(""))
{
Manager mg=md.getMidSelect2(name);
Manager mr=new Manager(Integer.parseInt(mid),name,mg.getMpassword(),mjb);
md.getManagerUpdate(mr);
response.sendRedirect("ManagerSelect.do");
}
else{
ResultSet rs=md.PassWordSelect(name, password);
System.out.println(password+name);
try {
if(rs.next())
{
Manager mg=md.getMidSelect2(name);
//mname=Utils.escapeHTML(mname);
//password2=Utils.escapeHTML(password2);
Manager mr=new Manager(Integer.parseInt(mid),name,password2,mjb);
md.getManagerUpdate(mr);
}
else
{
request.setAttribute("eoor","原密码错误!!!");
request.setAttribute("path","toManagerupdate.do?mid="+mid+"&name="+name+"");
request.getRequestDispatcher("Eoeer.jsp").forward(request, response);
return;
}
} catch (NumberFormatException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
name=Utils.escapeHTML(name);
password=Utils.escapeHTML(password);
Manager mr=new Manager(Integer.parseInt(mid),name,password,mjb);
md.getManagerUpdate(mr);
response.sendRedirect("ManagerSelect.do");
}
}
else if(path.equals("/Managermid.do"))
{
String mid=request.getParameter("mid");
md.getMidSelect(Integer.parseInt(mid));
response.sendRedirect("Managerupdate.do");
}
}
}
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