src/com/controller/loginController.java

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package com.controller;
import java.util.Arrays;
import java.util.List;
import java.util.Objects;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.multipart.MultipartFile;
import com.util.PageUtil;
import com.util.UploadUtil;
import com.entity.Administrator;
import com.service.AdministratorService;
import com.entity.Teacher;
import com.service.TeacherService;

import com.entity.Danwei;
import com.service.DanweiService;

import com.entity.Student;
import com.service.StudentService;
@Controller
@RequestMapping("")
public class   loginController {
	private static final int rows = 10;
	@Autowired
	private AdministratorService administratorService;
	@Autowired
	private TeacherService teacherService;
	@Autowired
	private DanweiService danweiService;
	@Autowired
	private StudentService studentService;
	/**
 * 添加信息
 * @param request
 * @return
 */
	
	/**
	 *管理员修改登录密码
	 */
	@RequestMapping("/administratormimaupdate")
	public String administratormimaupdate(HttpServletRequest request)
	{
		String Admnumber = (String) request.getSession().getAttribute("number");
		Administrator administrator = new Administrator();
		administrator.setAdmnumber(Admnumber);
		administrator.setAdmpassword(request.getParameter("admpassword1"));
		int result = administratorService.passedit(administrator);
		if (result == 1) 
		{	
			request.getSession().setAttribute("password",administrator.getAdmpassword());
			request.setAttribute("tishi", "密码修改成功");
			return "admin/passupdate";
		} 
		else 
		{