基于微信小程序的学生购电系统设计与实现-计算机毕业设计源码+LW文档
小程序开发说明
开发语言：Java
框架：ssm
JDK版本：JDK1.8
服务器：tomcat7
数据库：mysql 5.7（一定要5.7版本）
数据库工具：Navicat11
开发软件：eclipse/myeclipse/idea
Maven包：Maven3.3.9
浏览器：谷歌浏览器
小程序框架：uniapp
小程序开发软件：HBuilder X
小程序运行软件：微信开发者
关键逻辑代码：
/**
* 电量信息
* 后端接口
* @author
* @date 2022-05-09 12:09:29
*/
@RestController
@RequestMapping("/dianliangxinxi")
public class DianliangxinxiController {
@Autowired
private DianliangxinxiService dianliangxinxiService;
/**
* 后端列表
*/
@RequestMapping("/page")
public R page(@RequestParam Map
HttpServletRequest request){
String tableName = request.getSession().getAttribute("tableName").toString();
if(tableName.equals("xuesheng")) {
dianliangxinxi.setXuehao((String)request.getSession().getAttribute("username"));
}
EntityWrapper
PageUtils page = dianliangxinxiService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, dianliangxinxi), params), params));
return R.ok().put("data", page);
}
/**
* 前端列表
*/
@RequestMapping("/list")
public R list(@RequestParam Map
HttpServletRequest request){
String tableName = request.getSession().getAttribute("tableName").toString();
if(tableName.equals("xuesheng")) {
dianliangxinxi.setXuehao((String)request.getSession().getAttribute("username"));
}
EntityWrapper
PageUtils page = dianliangxinxiService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, dianliangxinxi), params), params));
return R.ok().put("data", page);
}
/**
* 列表
*/
@RequestMapping("/lists")
public R list( DianliangxinxiEntity dianliangxinxi){
EntityWrapper
ew.allEq(MPUtil.allEQMapPre( dianliangxinxi, "dianliangxinxi"));
return R.ok().put("data", dianliangxinxiService.selectListView(ew));
}
/**
* 查询
*/
@RequestMapping("/query")
public R query(DianliangxinxiEntity dianliangxinxi){
EntityWrapper< DianliangxinxiEntity> ew = new EntityWrapper< DianliangxinxiEntity>();
ew.allEq(MPUtil.allEQMapPre( dianliangxinxi, "dianliangxinxi"));
DianliangxinxiView dianliangxinxiView = dianliangxinxiService.selectView(ew);
return R.ok("查询电量信息成功").put("data", dianliangxinxiView);
}
/**
* 后端详情
*/
@RequestMapping("/info/{id}")
public R info(@PathVariable("id") Long id){
DianliangxinxiEntity dianliangxinxi = dianliangxinxiService.selectById(id);
return R.ok().put("data", dianliangxinxi);
}
/**
* 前端详情
*/
@RequestMapping("/detail/{id}")
public R detail(@PathVariable("id") Long id){
DianliangxinxiEntity dianliangxinxi = dianliangxinxiService.selectById(id);
return R.ok().put("data", dianliangxinxi);
}
/**
* 后端保存
*/
@RequestMapping("/save")
public R save(@RequestBody DianliangxinxiEntity dianliangxinxi, HttpServletRequest request){
dianliangxinxi.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
//ValidatorUtils.validateEntity(dianliangxinxi);
dianliangxinxiService.insert(dianliangxinxi);
return R.ok();
}
/**
* 前端保存
*/
@RequestMapping("/add")
public R add(@RequestBody DianliangxinxiEntity dianliangxinxi, HttpServletRequest request){
dianliangxinxi.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
//ValidatorUtils.validateEntity(dianliangxinxi);
dianliangxinxi.setUserid((Long)request.getSession().getAttribute("userId"));
dianliangxinxiService.insert(dianliangxinxi);
return R.ok();
}
/**
* 修改
*/
@RequestMapping("/update")
@Transactional
public R update(@RequestBody DianliangxinxiEntity dianliangxinxi, HttpServletRequest request){
//ValidatorUtils.validateEntity(dianliangxinxi);
dianliangxinxiService.updateById(dianliangxinxi);//全部更新
return R.ok();
}
/**
* 删除
*/
@RequestMapping("/delete")
public R delete(@RequestBody Long[] ids){
dianliangxinxiService.deleteBatchIds(Arrays.asList(ids));
return R.ok();
}
