作者：计算机学长阿伟
开发技术：SpringBoot、SSM、Vue、MySQL、ElementUI等，"文末源码"。
开发运行环境
- 开发语言：Java
- 数据库：MySQL
- 技术：SpringBoot、Vue、Mybaits Plus、ELementUI
- 工具：IDEA/Ecilpse、Navicat、Maven
源码下载地址：
https://download.csdn.net/download/weixin_53180424/89897628
一、项目简介
本项目是一个在线外卖系统，旨在为用户提供便捷的外卖订餐服务。系统界面采用紫色调设计，简洁明了，易于操作。用户可以通过系统浏览各种美食，选择心仪的商家和菜品进行下单。系统还提供了公告资讯功能，方便用户了解最新的优惠活动和商家信息。个人中心则用于管理用户的个人信息和订单记录。后台管理功能为管理员提供了对系统的全面监控和管理能力。购物车功能则方便用户将多个菜品加入购物车，统一进行结算。
三、系统项目部分截图
3.1后台系统部分页面效果
四、部分核心代码
java
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.format.annotation.DateTimeFormat;
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.AddressEntity;
import com.entity.view.AddressView;
import com.service.AddressService;
import com.service.TokenService;
import com.utils.PageUtils;
import com.utils.R;
import com.utils.MD5Util;
import com.utils.MPUtil;
import com.utils.CommonUtil;
import java.io.IOException;
/**
* 地址
* 后端接口
*/
@RestController
@RequestMapping("/address")
public class AddressController {
@Autowired
private AddressService addressService;
/**
* 后端列表
*/
@RequestMapping("/page")
public R page(@RequestParam Map<String, Object> params,AddressEntity address,
HttpServletRequest request){
if(!request.getSession().getAttribute("role").toString().equals("管理员")) {
address.setUserid((Long)request.getSession().getAttribute("userId"));
}
EntityWrapper<AddressEntity> ew = new EntityWrapper<AddressEntity>();
PageUtils page = addressService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, address), params), params));
return R.ok().put("data", page);
}
/**
* 前端列表
*/
@RequestMapping("/list")
public R list(@RequestParam Map<String, Object> params,AddressEntity address,
HttpServletRequest request){
if(!request.getSession().getAttribute("role").toString().equals("管理员")) {
address.setUserid((Long)request.getSession().getAttribute("userId"));
}
EntityWrapper<AddressEntity> ew = new EntityWrapper<AddressEntity>();
PageUtils page = addressService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, address), params), params));
return R.ok().put("data", page);
}
/**
* 列表
*/
@RequestMapping("/lists")
public R list( AddressEntity address){
EntityWrapper<AddressEntity> ew = new EntityWrapper<AddressEntity>();
ew.allEq(MPUtil.allEQMapPre( address, "address"));
return R.ok().put("data", addressService.selectListView(ew));
}
/**
* 查询
*/
@RequestMapping("/query")
public R query(AddressEntity address){
EntityWrapper< AddressEntity> ew = new EntityWrapper< AddressEntity>();
ew.allEq(MPUtil.allEQMapPre( address, "address"));
AddressView addressView = addressService.selectView(ew);
return R.ok("查询地址成功").put("data", addressView);
}
/**
* 后端详情
*/
@RequestMapping("/info/{id}")
public R info(@PathVariable("id") Long id){
AddressEntity address = addressService.selectById(id);
return R.ok().put("data", address);
}
/**
* 前端详情
*/
@IgnoreAuth
@RequestMapping("/detail/{id}")
public R detail(@PathVariable("id") Long id){
AddressEntity address = addressService.selectById(id);
return R.ok().put("data", address);
}
/**
* 后端保存
*/
@RequestMapping("/save")
public R save(@RequestBody AddressEntity address, HttpServletRequest request){
address.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
//ValidatorUtils.validateEntity(address);
address.setUserid((Long)request.getSession().getAttribute("userId"));
Long userId = (Long)request.getSession().getAttribute("userId");
if(address.getIsdefault().equals("是")) {
addressService.updateForSet("isdefault='否'", new EntityWrapper<AddressEntity>().eq("userid", userId));
}
address.setUserid(userId);
addressService.insert(address);
return R.ok();
}
/**
* 前端保存
*/
@RequestMapping("/add")
public R add(@RequestBody AddressEntity address, HttpServletRequest request){
address.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
//ValidatorUtils.validateEntity(address);
address.setUserid((Long)request.getSession().getAttribute("userId"));
Long userId = (Long)request.getSession().getAttribute("userId");
if(address.getIsdefault().equals("是")) {
addressService.updateForSet("isdefault='否'", new EntityWrapper<AddressEntity>().eq("userid", userId));
}
address.setUserid(userId);
addressService.insert(address);
return R.ok();
}
/**
* 修改
*/
@RequestMapping("/update")
public R update(@RequestBody AddressEntity address, HttpServletRequest request){
//ValidatorUtils.validateEntity(address);
if(address.getIsdefault().equals("是")) {
addressService.updateForSet("isdefault='否'", new EntityWrapper<AddressEntity>().eq("userid", request.getSession().getAttribute("userId")));
}
addressService.updateById(address);//全部更新
return R.ok();
}
/**
* 获取默认地址
*/
@RequestMapping("/default")
public R defaultAddress(HttpServletRequest request){
Wrapper<AddressEntity> wrapper = new EntityWrapper<AddressEntity>().eq("isdefault", "是").eq("userid", request.getSession().getAttribute("userId"));
AddressEntity address = addressService.selectOne(wrapper);
return R.ok().put("data", address);
}
/**
* 删除
*/
@RequestMapping("/delete")
public R delete(@RequestBody Long[] ids){
addressService.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<AddressEntity> wrapper = new EntityWrapper<AddressEntity>();
if(map.get("remindstart")!=null) {
wrapper.ge(columnName, map.get("remindstart"));
}
if(map.get("remindend")!=null) {
wrapper.le(columnName, map.get("remindend"));
}
if(!request.getSession().getAttribute("role").toString().equals("管理员")) {
wrapper.eq("userid", (Long)request.getSession().getAttribute("userId"));
}
int count = addressService.selectCount(wrapper);
return R.ok().put("count", count);
}
}获取源码或文档
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