【微信小程序项目实例】惠农小店系统设计与开发(源码+说明+数据库+演示视频).zip

package com.example.controller; import cn.hutool.core.collection.CollUtil; import cn.hutool.core.collection.CollectionUtil; import cn.hutool.core.io.IoUtil; import cn.hutool.core.util.ObjectUtil; import cn.hutool.core.util.StrUtil; import cn.hutool.crypto.SecureUtil; import cn.hutool.json.JSONObject; import cn.hutool.poi.excel.ExcelUtil; import cn.hutool.poi.excel.ExcelWriter; import com.example.common.Result; import com.example.common.ResultCode; import com.example.entity.ShangpinxinxiInfo; import com.example.dao.ShangpinxinxiInfoDao; import com.example.service.ShangpinxinxiInfoService; import com.example.exception.CustomException; import com.example.common.ResultCode; import com.example.vo.EchartsData; import com.example.vo.ShangpinxinxiInfoVo; import com.github.pagehelper.PageHelper; import com.github.pagehelper.PageInfo; import com.example.service.*; import org.springframework.web.bind.annotation.*; import org.springframework.beans.factory.annotation.Value; import cn.hutool.core.util.StrUtil; import org.springframework.web.multipart.MultipartFile; import javax.annotation.Resource; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; import java.util.*; import java.util.stream.Collectors; @RestController @RequestMapping(value = "/shangpinxinxiInfo") public class ShangpinxinxiInfoController { @Resource private ShangpinxinxiInfoService shangpinxinxiInfoService; @Resource private ShangpinxinxiInfoDao shangpinxinxiInfoDao; @PostMapping public Result<ShangpinxinxiInfo> add(@RequestBody ShangpinxinxiInfoVo shangpinxinxiInfo) { //mixmajixami shangpinxinxiInfoService.add(shangpinxinxiInfo); return Result.success(shangpinxinxiInfo); } @GetMapping("/tixing") public Result<Integer> tixing() { Integer count = shangpinxinxiInfoService.tixing(); return Result.success(count); } // @GetMapping("/getByDiqu") // public Result<List<Map<String,String>>> qidu() { // return Result.success(shangpinxinxiInfoService.findByDiqu()); // } @DeleteMapping("/{id}") public Result delete(@PathVariable Long id) { shangpinxinxiInfoService.delete(id); return Result.success(); } @PutMapping public Result update(@RequestBody ShangpinxinxiInfoVo shangpinxinxiInfo) { shangpinxinxiInfoService.update(shangpinxinxiInfo); return Result.success(); } //@PutMapping("/update2") // public Result update2(@RequestBody ShangpinxinxiInfoVo shangpinxinxiInfo) { // shangpinxinxiInfoService.update2(shangpinxinxiInfo); // return Result.success(); // } @GetMapping("/{id}") public Result<ShangpinxinxiInfo> detail(@PathVariable Long id) { ShangpinxinxiInfo shangpinxinxiInfo = shangpinxinxiInfoService.findById(id); return Result.success(shangpinxinxiInfo); } @GetMapping("/changeStatus/{id}") public Result<ShangpinxinxiInfo> changeStatus(@PathVariable Long id) { shangpinxinxiInfoService.changeStatus(id); return Result.success(); } @GetMapping public Result<List<ShangpinxinxiInfoVo>> all() { return Result.success(shangpinxinxiInfoService.findAll()); } @GetMapping("/page/{name}") public Result<PageInfo<ShangpinxinxiInfoVo>> page(@PathVariable String name, @RequestParam(defaultValue = "1") Integer pageNum, @RequestParam(defaultValue = "5") Integer pageSize, HttpServletRequest request) { return Result.success(shangpinxinxiInfoService.findPage(name, pageNum, pageSize, request)); } @GetMapping("/pageqt/{name}") public Result<PageInfo<ShangpinxinxiInfoVo>> pageqt(@PathVariable String name, @RequestParam(defaultValue = "1") Integer pageNum, @RequestParam(defaultValue = "8") Integer pageSize, HttpServletRequest request) { return Result.success(shangpinxinxiInfoService.findPageqt(name, pageNum, pageSize, request)); } @GetMapping("/findByType/{type}") public Result<List<ShangpinxinxiInfoVo>> findByType(@PathVariable String type) { return Result.success(shangpinxinxiInfoService.findByType(type)); } // @PostMapping("/register") // public Result<ShangpinxinxiInfo> register(@RequestBody ShangpinxinxiInfo shangpinxinxiInfo) { // if (StrUtil.isBlank(shangpinxinxiInfo.getName()) || StrUtil.isBlank(shangpinxinxiInfo.getPassword())) { // throw new CustomException(ResultCode.PARAM_ERROR); // } // return Result.success(shangpinxinxiInfoService.add(shangpinxinxiInfo)); // } /** * 批量通过excel添加信息 * @param file excel文件 * @throws IOException */ @PostMapping("/upload") public Result upload(MultipartFile file) throws IOException { List<ShangpinxinxiInfo> infoList = ExcelUtil.getReader(file.getInputStream()).readAll(ShangpinxinxiInfo.class); if (!CollectionUtil.isEmpty(infoList)) { // 处理一下空数据 List<ShangpinxinxiInfo> resultList = infoList.stream().filter(x -> ObjectUtil.isNotEmpty(x.getShangpinbianhao())).collect(Collectors.toList()); for (ShangpinxinxiInfo info : resultList) { shangpinxinxiInfoService.add(info); } } return Result.success(); } @GetMapping("/get/shangpinxinxi_tj_shangpinleibie") Result<List<EchartsData>> shangpinxinxi_tj_shangpinleibie() { List<EchartsData> list = new ArrayList<>(); List<Map<String, Object>> shangpinxinxi_tj_shangpinleibieList = shangpinxinxiInfoDao.shangpinxinxi_tj_shangpinleibie(); Map<String, Double> typeMap = new HashMap<>(); for (Map<String, Object> map : shangpinxinxi_tj_shangpinleibieList) { typeMap.put((String)map.get("aa"), (Double.valueOf((String)map.get("bb").toString()))); } getPieData("商品信息按商品类别统计", list, typeMap); getBarData("商品信息按商品类别统计", list, typeMap); return Result.success(list); } @GetMapping("/getExcelModel") public void getExcelModel(HttpServletResponse response) throws IOException { // 1. 生成excel Map<String, Object> row = new LinkedHashMap<>(); row.put("shangpinbianhao", "A商品编号"); row.put("shangpinmingcheng", "A商品名称"); row.put("shangpinleibie", "A商品类别"); row.put("jiage", "A价格"); row.put("kucun", "A库存"); row.put("xiaoliang", "A销量"); row.put("tupian", "A图片"); row.put("beizhu", "A备注"); row.put("status", "是"); row.put("level", "shangpinxinxi"); List<Map<String, Object>> list = CollUtil.newArrayList(row); // 2. 写excel ExcelWriter writer = ExcelUtil.getWriter(true); writer.write(list, true); response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8"); response.setHeader("Content-Disposition","attachment;filename=shangpinxinxiInfoModel.xlsx"); ServletOutputStream out = response.getOutputStream(); writer.flush(out, true); writer.close(); IoUtil.close(System.out); } @GetMapping("/getExcel") public void getExcel(HttpServletResponse response) throws IOException { // 1. 生成excel Map<String, Object> row = new LinkedHashMap<>(); row.put("shangpinbianhao", "A商品编号"); row.put("shangpinmingcheng", "A商品名称"); row.put("shangpinleibie", "A商品类�