java/com/liujian/gymxmjpa/controller/SubjectController.java

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package com.liujian.gymxmjpa.controller;

import com.liujian.gymxmjpa.dao.PrivateCoachInfoDao;
import com.liujian.gymxmjpa.dao.SubjectDao;
import com.liujian.gymxmjpa.service.SubjectDaoImpl;
import com.liujian.gymxmjpa.entity.PrivateCoachInfo;
import com.liujian.gymxmjpa.entity.Subject;
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.ResponseBody;

import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;


/**
 * @Description: 课程管理Controller控制层
 * @Author: LiuJian
 * @Date: 2020/4/8
 */
@Controller
@RequestMapping("/subject")
public class SubjectController {
   @Autowired
   private SubjectDaoImpl subjectDaoImpl;
   @Autowired
   private SubjectDao subjectDao;
   @Autowired
   private PrivateCoachInfoDao privateCoachInfoDao;

    /**
     * @Description: 课程管理-进入课程信息界面
     * @Author: LiuJian
     * @Date: 2020/4/8
     */
    @RequestMapping("/jin7")
    public String jin7(){

        return "WEB-INF/jsp/subject";
    }

    /**
     * @Description: 课程管理-根据课程名称分页查询
     * @Author: LiuJian
     * @Date: 2020/4/8
     */
    @RequestMapping("/query")
    @ResponseBody
    public Map<String,Object> query(String subname, int pageSize, int pageNumber){
        Map<String,Object>  map1=new HashMap<String,Object>();
        map1.put("subname",subname);
        map1.put("qi",(pageNumber-1)*pageSize);
        map1.put("shi",pageSize);
        return subjectDaoImpl.query(map1);
    }

    /**