src/com/controller/StudentController.java

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package com.controller;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
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.entity.Student;
import com.service.ClassesService;
import com.service.StudentService; 
@Controller
@RequestMapping("")
public class   StudentController {
	private static final int rows = 10;
	@Autowired
	private StudentService studentService;
	@Autowired
	private ClassesService classesService;
	
	@RequestMapping("/studentAddjiemian")
	public String studentAddjiemian(HttpServletRequest request)
	{
	 	request.setAttribute("classesList", classesService.getList(1, 100));
		return "admin/studentAdd";
 	}
	@RequestMapping("/studentAdd")
	public String studentAdd(Student student,HttpServletRequest request,HttpSession session)
	{
		Student student1=studentService.selectBystudent(student);
		if(student1!=null)
		{
			request.setAttribute("tishi", "学生学号已经存在，不能重复添加!");
			return "admin/studentAdd";
		}
		else
		{
	    	boolean flag= studentService.add(student);
	    	if(flag==true)
			{
				request.setAttribute("tishi", "添加成功");
				return "admin/studentAdd";
			}
			else
			{
			   request.setAttribute("tishi", "添加失败!");
			   return "admin/studentAdd";
			}
		}
 	}
	@RequestMapping("/studentManage")
	public String studentManage(HttpServletRequest request)