老师，我交错了一个类。。。。
package homework07.servlet;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import Service.EmDemo1;
import Service.MmDemo1;
import Service.PmDemo1;
import homework07.demo.Em;
import homework07.demo.Mm;
import homework07.demo.Pm;
/**
* Servlet implementation class eidt
*/
@WebServlet("/job/edit")
public class Reidt extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public Reidt() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//完成数据修改；
//创
request.setCharacterEncoding("utf-8");
response.setContentType("text/html;charset=utf-8");
List<Mm>list=new MmDemo1().addList();
List<Pm> list1=new PmDemo1().addList();
List<Em> list2=new EmDemo1().addList();
PrintWriter writer=response.getWriter();
writer.write("<!DOCTYPE html><html>"+"<head>"+ "<meta charset=\"UTF-8\">"+"<title>Insert title here</title>"+"</head>"+"<body>");
writer.write("<form action ='eidt' >");
writer.write("职位:"+"</br>");
writer.write("<select name='ePost'>");
for(Pm m:list1) {
writer.write("<option>"+m.getPost()+"</option>");
}
writer.write("</select>"+"</br>");
writer.write("薪资水平"+"</br>");
writer.write("<select name='mLevel'>");
for(Mm m:list) {
writer.write("<option>"+m.getLevel()+"</option>");
}
writer.write("</select>"+"</br>");
writer.write("姓名："+"</br>");
writer.write("<select name='eName'>");
for(Em m:list2) {
writer.write("<option>"+m.getName()+"</option>");
}
writer.write("</select>"+"</br>");
writer.write("<input type='submit' value='保存'>");
writer.write("</form>");
writer.write("</body></html>");
}/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
doGet(request, response);
}
}