Java项目：37 springboot003图书个性化推荐系统的设计与实现
package com.controller;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.mapper.EntityWrapper;
import com.baomidou.mybatisplus.mapper.Wrapper;
import com.entity.GonggaoEntity;
import com.entity.view.GonggaoView;
import com.service.DictionaryService;
import com.service.GonggaoService;
import com.service.TokenService;
import com.utils.PageUtils;
import com.utils.R;
import com.utils.StringUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import javax.servlet.http.HttpServletRequest;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Map;
/**
* 公告
* 后端接口
* @author
* @email
*/
@RestController
@Controller
@RequestMapping("/gonggao")
public class GonggaoController {
private static final Logger logger = LoggerFactory.getLogger(GonggaoController.class);
@Autowired
private GonggaoService gonggaoService;
@Autowired
private TokenService tokenService;
@Autowired
private DictionaryService dictionaryService;
//级联表service
/**
* 后端列表
*/
@RequestMapping("/page")
public R page(@RequestParam Map<String, Object> params, HttpServletRequest request){
logger.debug("page方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params));
String role = String.valueOf(request.getSession().getAttribute("role"));
if(StringUtil.isNotEmpty(role) && "用户".equals(role)){
params.put("yonghuId",request.getSession().getAttribute("userId"));
}
params.put("orderBy","id");
PageUtils page = gonggaoService.queryPage(params);
//字典表数据转换
List<GonggaoView> list =(List<GonggaoView>)page.getList();
for(GonggaoView c:list){
//修改对应字典表字段
dictionaryService.dictionaryConvert(c);
}
return R.ok().put("data", page);
}
/**
* 后端详情
*/
@RequestMapping("/info/{id}")
public R info(@PathVariable("id") Long id){
logger.debug("info方法:,,Controller:{},,id:{}",this.getClass().getName(),id);
GonggaoEntity gonggao = gonggaoService.selectById(id);
if(gonggao !=null){
//entity转view
GonggaoView view = new GonggaoView();
BeanUtils.copyProperties( gonggao , view );//把实体数据重构到view中
//修改对应字典表字段
dictionaryService.dictionaryConvert(view);
return R.ok().put("data", view);
}else {
return R.error(511,"查不到数据");
}
}
/**
* 后端保存
*/
@RequestMapping("/save")
public R save(@RequestBody GonggaoEntity gonggao, HttpServletRequest request){
logger.debug("save方法:,,Controller:{},,gonggao:{}",this.getClass().getName(),gonggao.toString());
Wrapper<GonggaoEntity> queryWrapper = new EntityWrapper<GonggaoEntity>()
.eq("gonggao_name", gonggao.getGonggaoName())
.eq("gonggao_types", gonggao.getGonggaoTypes())
;
logger.info("sql语句:"+queryWrapper.getSqlSegment());
GonggaoEntity gonggaoEntity = gonggaoService.selectOne(queryWrapper);
if(gonggaoEntity==null){
gonggao.setInsertTime(new Date());
gonggao.setCreateTime(new Date());
// String role = String.valueOf(request.getSession().getAttribute("role"));
// if("".equals(role)){
// gonggao.set
// }
gonggaoService.insert(gonggao);
return R.ok();
}else {
return R.error(511,"表中有相同数据");
}
}
/**
* 后端修改
*/
@RequestMapping("/update")
public R update(@RequestBody GonggaoEntity gonggao, HttpServletRequest request){
logger.debug("update方法:,,Controller:{},,gonggao:{}",this.getClass().getName(),gonggao.toString());
//根据字段查询是否有相同数据
Wrapper<GonggaoEntity> queryWrapper = new EntityWrapper<GonggaoEntity>()
.notIn("id",gonggao.getId())
.andNew()
.eq("gonggao_name", gonggao.getGonggaoName())
.eq("gonggao_types", gonggao.getGonggaoTypes())
;
logger.info("sql语句:"+queryWrapper.getSqlSegment());
GonggaoEntity gonggaoEntity = gonggaoService.selectOne(queryWrapper);
if(gonggaoEntity==null){
// String role = String.valueOf(request.getSession().getAttribute("role"));
// if("".equals(role)){
// gonggao.set
// }
gonggaoService.updateById(gonggao);//根据id更新
return R.ok();
}else {
return R.error(511,"表中有相同数据");
}
}
/**
* 删除
*/
@RequestMapping("/delete")
public R delete(@RequestBody Integer[] ids){
logger.debug("delete:,,Controller:{},,ids:{}",this.getClass().getName(),ids.toString());
gonggaoService.deleteBatchIds(Arrays.asList(ids));
return R.ok();
}
}