大数据elementUI项目总结

利用elementUI做了一个简单的学生管理系统，主要包括基础的增删改查，模糊搜索以及分页，若本文对你有所帮助，请一键三连。

 首先搭建Maven项目，导入相关的包以及配置文件

 

 前端：

    
    
    
    
    





    


    
        
            
                
            
            
                
                    
                    
                
            

            
                
                    
                    
                    
                    
                
            

            

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效果展示：

 Controller:

package com.jiyun.controller;

import com.github.pagehelper.PageInfo;
import com.jiyun.mapper.TeacherMapper;
import com.jiyun.pojo.PageTvo;
import com.jiyun.pojo.Student;
import com.jiyun.pojo.Teacher;
import com.jiyun.service.StudentService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RestController
public class StudentController {
    @Autowired
    StudentService  b;
    @Autowired
    TeacherMapper d;
    @RequestMapping("show")
    public PageInfo show(@RequestBody PageTvo pageTvo){
        return   b.show(pageTvo);
    }
//    教师
    @RequestMapping("bu")
    public List  bu(){
        return   d.show();
    }
    @RequestMapping("add")
    public Boolean  add(@RequestBody   Student  student){
        b.add(student);
        return    true;
    }
//修改

    @RequestMapping("update")
    public Boolean  update(@RequestBody   Student  student){
        b.update(student);
        return    true;
    }
    @RequestMapping("del")
    public Boolean  del( Integer  id){
        b.del(id);
        return    true;
    }

//    多选删除
    @RequestMapping("delAll")
    public Boolean  delAll( @RequestBody  List students){
        for (Student student : students) {
            b.del(student.getId());
        }
        return    true;
    }
}

封装分页信息：

 Service:

package com.jiyun.service;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.jiyun.mapper.StudentMapper;
import com.jiyun.pojo.PageTvo;
import com.jiyun.pojo.Student;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.List;
@Service
public class StudentService {
    @Autowired
    StudentMapper  b;
    public PageInfo show(PageTvo pageTvo) {
//分页
        PageHelper.startPage(pageTvo.getPageNum(),pageTvo.getPageSize());
//      获取封装里面的数据
        Integer did = pageTvo.getDid();
        String name = pageTvo.getName();
        Date time = pageTvo.getTime();
//
//存入对象
        Student student = new Student();
        student.setName(name);
        student.setDid(did);
        student.setTime(time);


        List show = b.show(student);
        PageInfo studentPageInfo = new PageInfo(show);

        return  studentPageInfo;

    }

    public void add(Student student) {

        b.add(student);



    }

    public void update(Student student) {

        b.update(student);

    }

    public void del(Integer id) {
        b.del(id);

    }
}

Mapper:

    

    
select   s.*,t.name cname from student s join teacher t on s.did = t.id


  where s.name  like '%${name}%'

        
            where   s.did=#{did}
        

        
            where   time gt=#{time}
        
    

    
        insert into student (name, sex, hobby, time, state,did)
         values (#{name},#{sex},#{hobby},#{time},#{state},#{did});
    


    
 update   student set   name=#{name}, sex=#{sex}, hobby=#{hobby}, time=#{time}, state=#{state},did=#{did}  where  id=#{id}
    

效果展示：

添加

修改：

 

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