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
关键代码：
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 java.io.IOException;
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.CartEntity;
import com.entity.view.CartView;
import com.service.CartService;
import com.service.TokenService;
import com.utils.PageUtils;
import com.utils.R;
import com.utils.MD5Util;
import com.utils.MPUtil;
import com.utils.CommonUtil;
/**
* 购物车表
* 后端接口
* @author
* @date 2022-03-26 17:22:33
*/
@RestController
@RequestMapping("/cart")
public class CartController {
@Autowired
private CartService cartService;
/**
* 后端列表
*/
@RequestMapping("/page")
public R page(@RequestParam Map<String, Object> params,CartEntity cart,
HttpServletRequest request){
if(!request.getSession().getAttribute("role").toString().equals("管理员")) {
cart.setUserid((Long)request.getSession().getAttribute("userId"));
}
EntityWrapper<CartEntity> ew = new EntityWrapper<CartEntity>();
PageUtils page = cartService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, cart), params), params));
return R.ok().put("data", page);
}
/**
* 前端列表
*/
@IgnoreAuth
@RequestMapping("/list")
public R list(@RequestParam Map<String, Object> params,CartEntity cart,
HttpServletRequest request){
EntityWrapper<CartEntity> ew = new EntityWrapper<CartEntity>();
PageUtils page = cartService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.likeOrEq(ew, cart), params), params));
return R.ok().put("data", page);
}
/**
* 列表
*/
@RequestMapping("/lists")
public R list( CartEntity cart){
EntityWrapper<CartEntity> ew = new EntityWrapper<CartEntity>();
ew.allEq(MPUtil.allEQMapPre( cart, "cart"));
return R.ok().put("data", cartService.selectListView(ew));
}
/**
* 查询
*/
@RequestMapping("/query")
public R query(CartEntity cart){
EntityWrapper< CartEntity> ew = new EntityWrapper< CartEntity>();
ew.allEq(MPUtil.allEQMapPre( cart, "cart"));
CartView cartView = cartService.selectView(ew);
return R.ok("查询购物车表成功").put("data", cartView);
}
/**
* 后端详情
*/
@RequestMapping("/info/{id}")
public R info(@PathVariable("id") Long id){
CartEntity cart = cartService.selectById(id);
return R.ok().put("data", cart);
}
/**
* 前端详情
*/
@IgnoreAuth
@RequestMapping("/detail/{id}")
public R detail(@PathVariable("id") Long id){
CartEntity cart = cartService.selectById(id);
return R.ok().put("data", cart);
}
/**
* 后端保存
*/
@RequestMapping("/save")
public R save(@RequestBody CartEntity cart, HttpServletRequest request){
cart.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
//ValidatorUtils.validateEntity(cart);
cart.setUserid((Long)request.getSession().getAttribute("userId"));
cartService.insert(cart);
return R.ok();
}
/**
* 前端保存
*/
@RequestMapping("/add")
public R add(@RequestBody CartEntity cart, HttpServletRequest request){
cart.setId(new Date().getTime()+new Double(Math.floor(Math.random()*1000)).longValue());
//ValidatorUtils.validateEntity(cart);
cartService.insert(cart);
return R.ok();
}
/**
* 修改
*/
@RequestMapping("/update")
public R update(@RequestBody CartEntity cart, HttpServletRequest request){
//ValidatorUtils.validateEntity(cart);
cartService.updateById(cart);//全部更新
return R.ok();
}
/**
* 删除
*/
@RequestMapping("/delete")
public R delete(@RequestBody Long[] ids){
cartService.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<CartEntity> wrapper = new EntityWrapper<CartEntity>();
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 = cartService.selectCount(wrapper);
return R.ok().put("count", count);
}
}
