基于Springboot+Vue实现图书个性化推荐系统

package com.controller;
 
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Calendar;
import java.util.Map;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Date;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
 
import com.utils.ValidatorUtils;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.annotation.IgnoreAuth;
 
import com.entity.MessagesEntity;
import com.entity.view.MessagesView;
 
import com.service.MessagesService;
import com.service.TokenService;
import com.utils.PageUtils;
import com.utils.R;
import com.utils.MD5Util;
import com.utils.MPUtil;
import com.utils.CommonUtil;
 
 
/**
 * 留言板
 * 后端接口
 * @author 
 * @email 
 * @date 2021-03-05 14:09:24
 */
@RestController
@RequestMapping("/messages")
public class MessagesController {
    @Autowired
    private MessagesService messagesService;
    
 
 
    /**
     * 后端列表
     */
    @RequestMapping("/page")
    public R page(@RequestParam Map<String, Object> params,MessagesEntity messages, HttpServletRequest request){
      if(!request.getSession().getAttribute("role").toString().equals("管理员")) {
        messages.setUserid((Long)request.getSession().getAttribute("userId"));
      }
        EntityWrapper<MessagesEntity> ew = new EntityWrapper<MessagesEntity>();
    PageUtils page = messagesService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, messages), params), params));
 
        return R.ok().put("data", page);
    }
    
    /**
     * 前端列表
     */
    @RequestMapping("/list")
    public R list(@RequestParam Map<String, Object> params,MessagesEntity messages, HttpServletRequest request){
      if(!request.getSession().getAttribute("role").toString().equals("管理员")) {
        messages.setUserid((Long)request.getSession().getAttribute("userId"));
      }
        EntityWrapper<MessagesEntity> ew = new EntityWrapper<MessagesEntity>();
    PageUtils page = messagesService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, messages), params), params));
        return R.ok().put("data", page);
    }
 
  /**
     * 列表
     */
    @RequestMapping("/lists")
    public R list( MessagesEntity messages){
        EntityWrapper<MessagesEntity> ew = new EntityWrapper<MessagesEntity>();
        ew.allEq(MPUtil.allEQMapPre( messages, "messages")); 
        return R.ok().put("data", messagesService.selectListView(ew));
    }
 
   /**
     * 查询
     */
    @RequestMapping("/query")
    public R query(MessagesEntity messages){
        EntityWrapper< MessagesEntity> ew = new EntityWrapper< MessagesEntity>();
    ew.allEq(MPUtil.allEQMapPre( messages, "messages")); 
    MessagesView messagesView =  messagesService.selectView(ew);
    return R.ok("查询留言板成功").put("data", messagesView);
    }
  
    /**
     * 后端详情
     */
    @RequestMapping("/info/{id}")
    public R info(@PathVariable("id") Long id){
        MessagesEntity messages = messagesService.selectById(id);
        return R.ok().put("data", messages);
    }
 
    /**
     * 前端详情
     */
    @RequestMapping("/detail/{id}")
    public R detail(@PathVariable("id") Long id){
        MessagesEntity messages = messagesService.selectById(id);
        return R.ok().put("data", messages);
    }
    
 
 
 
    /**
     * 后端保存
     */
    @RequestMapping("/save")
    public R save(@RequestBody MessagesEntity messages, HttpServletRequest request){
      messages.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
      //ValidatorUtils.validateEntity(messages);
        messagesService.insert(messages);
        return R.ok();
    }
    
    /**
     * 前端保存
     */
    @RequestMapping("/add")
    public R add(@RequestBody MessagesEntity messages, HttpServletRequest request){
      messages.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
      //ValidatorUtils.validateEntity(messages);
      messages.setUserid((Long)request.getSession().getAttribute("userId"));
        messagesService.insert(messages);
        return R.ok();
    }
 
    /**
     * 修改
     */
    @RequestMapping("/update")
    public R update(@RequestBody MessagesEntity messages, HttpServletRequest request){
        //ValidatorUtils.validateEntity(messages);
        messagesService.updateById(messages);//全部更新
        return R.ok();
    }
    
 
    /**
     * 删除
     */
    @RequestMapping("/delete")
    public R delete(@RequestBody Long[] ids){
        messagesService.deleteBatchIds(Arrays.asList(ids));
        return R.ok();
    }
    
    /**
     * 提醒接口
     */
  @RequestMapping("/remind/{columnName}/{type}")
  public R remindCount(@PathVariable("columnName") String columnName, HttpServletRequest request, 
             @PathVariable("type") String type,@RequestParam Map<String, Object> map) {
    map.put("column", columnName);
    map.put("type", type);
    
    if(type.equals("2")) {
      SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
      Calendar c = Calendar.getInstance();
      Date remindStartDate = null;
      Date remindEndDate = null;
      if(map.get("remindstart")!=null) {
        Integer remindStart = Integer.parseInt(map.get("remindstart").toString());
        c.setTime(new Date()); 
        c.add(Calendar.DAY_OF_MONTH,remindStart);
        remindStartDate = c.getTime();
        map.put("remindstart", sdf.format(remindStartDate));
      }
      if(map.get("remindend")!=null) {
        Integer remindEnd = Integer.parseInt(map.get("remindend").toString());
        c.setTime(new Date());
        c.add(Calendar.DAY_OF_MONTH,remindEnd);
        remindEndDate = c.getTime();
        map.put("remindend", sdf.format(remindEndDate));
      }
    }
    
    Wrapper<MessagesEntity> wrapper = new EntityWrapper<MessagesEntity>();
    if(map.get("remindstart")!=null) {
      wrapper.ge(columnName, map.get("remindstart"));
    }
    if(map.get("remindend")!=null) {
      wrapper.le(columnName, map.get("remindend"));
    }
 
 
    int count = messagesService.selectCount(wrapper);
    return R.ok().put("count", count);
  }
  
 
 
}