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Educational administration management system of SSM (free source code)

2022-07-01 05:34:00 【Code garden of Azhou】

ssm- Educational administration system

Introduce

Adopted spring mvc,spring,mybatis frame , Front end use js,html, The main functions include ： Course management , Student management , Teacher management , Account password reset and other functions

Installation tutorial

Put the project in idea
Pay attention to modifying the connected database information to your own
To configure tomcat
Import dependence , If some red hot conductors can't go in, you can choose to change them maven Version to try

package com.system.controller;

import com.system.exception.CustomException;
import com.system.po.*;
import com.system.service.*;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

import javax.annotation.Resource;
import java.util.List;


@Controller
@RequestMapping("/admin")
public class AdminController {

    @Resource
    private StudentService studentService;

    @Resource
    private TeacherService teacherService;

    @Resource
    private CourseService courseService;

    @Resource
    private CollegeService collegeService;

    @Resource
    private UserloginService userloginService;

    /*<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< Student operation >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>*/

    //   Student information shows 
    @RequestMapping("/showStudent")
    public String showStudent(Model model, Integer page) throws Exception {

        List<StudentCustom> list = null;
        // Page number object 
        PagingVO pagingVO = new PagingVO();
        // Set the total number of pages 
        pagingVO.setTotalCount(studentService.getCountStudent());
        if (page == null || page == 0) {
            pagingVO.setToPageNo(1);
            list = studentService.findByPaging(1);
        } else {
            pagingVO.setToPageNo(page);
            list = studentService.findByPaging(page);
        }

        model.addAttribute("studentList", list);
        model.addAttribute("pagingVO", pagingVO);

        return "admin/showStudent";

    }

    //   The add student information page displays 
    @RequestMapping(value = "/addStudent", method = {RequestMethod.GET})
    public String addStudentUI(Model model) throws Exception {

        List<College> list = collegeService.finAll();

        model.addAttribute("collegeList", list);

        return "admin/addStudent";
    }

     //  Add student information operation 
    @RequestMapping(value = "/addStudent", method = {RequestMethod.POST})
    public String addStudent(StudentCustom studentCustom, Model model) throws Exception {

        Boolean result = studentService.save(studentCustom);

        if (!result) {
            model.addAttribute("message", " Repeat the student number ");
            return "error";
        }
        // After successful addition , Also added to the login table 
        Userlogin userlogin = new Userlogin();
        userlogin.setUsername(studentCustom.getUserid().toString());
        userlogin.setPassword("123");
        userlogin.setRole(2);
        userloginService.save(userlogin);

        // Redirect 
        return "redirect:/admin/showStudent";
    }

    //  Modify the student information page display 
    @RequestMapping(value = "/editStudent", method = {RequestMethod.GET})
    public String editStudentUI(Integer id, Model model) throws Exception {
        if (id == null) {
            // Join without taking students id If you come in, you will return to the student display page 
            return "redirect:/admin/showStudent";
        }
        StudentCustom studentCustom = studentService.findById(id);
        if (studentCustom == null) {
            throw new CustomException(" The student was not found ");
        }
        List<College> list = collegeService.finAll();

        model.addAttribute("collegeList", list);
        model.addAttribute("student", studentCustom);


        return "admin/editStudent";
    }

    //  Modify student information processing 
    @RequestMapping(value = "/editStudent", method = {RequestMethod.POST})
    public String editStudent(StudentCustom studentCustom) throws Exception {

        studentService.updataById(studentCustom.getUserid(), studentCustom);

        // Redirect 
        return "redirect:/admin/showStudent";
    }

    //  Delete students 
    @RequestMapping(value = "/removeStudent", method = {RequestMethod.GET} )
    private String removeStudent(Integer id) throws Exception {
        if (id == null) {
            // Join without taking students id If you come in, you will return to the student display page 
            return "admin/showStudent";
        }
        studentService.removeById(id);
        userloginService.removeByName(id.toString());

        return "redirect:/admin/showStudent";
    }

    //  Search students 
    @RequestMapping(value = "selectStudent", method = {RequestMethod.POST})
    private String selectStudent(String findByName, Model model) throws Exception {

        List<StudentCustom> list = studentService.findByName(findByName);

        model.addAttribute("studentList", list);
        return "admin/showStudent";
    }


    //  The password of this account is reset 
    @RequestMapping("/passwordRest")
    public String passwordRestUI() throws Exception {
        return "admin/passwordRest";
    }


}