基于微信小程序的毕业设计-二手物品交易小程序（源码+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.GoumaixinxiInfo; import com.example.dao.GoumaixinxiInfoDao; import com.example.service.GoumaixinxiInfoService; import com.example.exception.CustomException; import com.example.common.ResultCode; import com.example.vo.EchartsData; import com.example.vo.GoumaixinxiInfoVo; 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 = "/goumaixinxiInfo") public class GoumaixinxiInfoController { @Resource private GoumaixinxiInfoService goumaixinxiInfoService; @Resource private GoumaixinxiInfoDao goumaixinxiInfoDao; @PostMapping public Result<GoumaixinxiInfo> add(@RequestBody GoumaixinxiInfoVo goumaixinxiInfo) { //mixmajixami goumaixinxiInfoService.add(goumaixinxiInfo); return Result.success(goumaixinxiInfo); } //youtixing1 //youtixing2 @GetMapping("/getByDiqu") public Result<List<Map<String,String>>> qidu() { return Result.success(goumaixinxiInfoService.findByDiqu()); } @DeleteMapping("/{id}") public Result delete(@PathVariable Long id) { goumaixinxiInfoService.delete(id); return Result.success(); } @GetMapping("/getByzhuceyonghuFaburen/{faburen}") public Result<List<GoumaixinxiInfo>> getByzhuceyonghuFaburen(@PathVariable String faburen) { List<GoumaixinxiInfo> goumaixinxiInfo = goumaixinxiInfoService.getByzhuceyonghuFaburen(faburen); return Result.success(goumaixinxiInfo); } @GetMapping("/getByzhuceyonghuGoumairen/{goumairen}") public Result<List<GoumaixinxiInfo>> getByzhuceyonghuGoumairen(@PathVariable String goumairen) { List<GoumaixinxiInfo> goumaixinxiInfo = goumaixinxiInfoService.getByzhuceyonghuGoumairen(goumairen); return Result.success(goumaixinxiInfo); } @PutMapping public Result update(@RequestBody GoumaixinxiInfoVo goumaixinxiInfo) { goumaixinxiInfoService.update(goumaixinxiInfo); return Result.success(); } //@PutMapping("/update2") // public Result update2(@RequestBody GoumaixinxiInfoVo goumaixinxiInfo) { // goumaixinxiInfoService.update2(goumaixinxiInfo); // return Result.success(); // } @GetMapping("/{id}") public Result<GoumaixinxiInfo> detail(@PathVariable Long id) { GoumaixinxiInfo goumaixinxiInfo = goumaixinxiInfoService.findById(id); return Result.success(goumaixinxiInfo); } @GetMapping("/changeStatus/{id}") public Result<GoumaixinxiInfo> changeStatus(@PathVariable Long id) { goumaixinxiInfoService.changeStatus(id); return Result.success(); } @GetMapping("/changeIszf/{id}") public Result<GoumaixinxiInfo> changeIszf(@PathVariable Long id) { goumaixinxiInfoService.changeIszf(id); return Result.success(); } @GetMapping public Result<List<GoumaixinxiInfoVo>> all() { return Result.success(goumaixinxiInfoService.findAll()); } @GetMapping("/page/{name}") public Result<PageInfo<GoumaixinxiInfoVo>> page(@PathVariable String name, @RequestParam(defaultValue = "1") Integer pageNum, @RequestParam(defaultValue = "5") Integer pageSize, HttpServletRequest request) { return Result.success(goumaixinxiInfoService.findPage(name, pageNum, pageSize, request)); } @GetMapping("/pageqt/{name}") public Result<PageInfo<GoumaixinxiInfoVo>> pageqt(@PathVariable String name, @RequestParam(defaultValue = "1") Integer pageNum, @RequestParam(defaultValue = "8") Integer pageSize, HttpServletRequest request) { return Result.success(goumaixinxiInfoService.findPageqt(name, pageNum, pageSize, request)); } // @PostMapping("/register") // public Result<GoumaixinxiInfo> register(@RequestBody GoumaixinxiInfo goumaixinxiInfo) { // if (StrUtil.isBlank(goumaixinxiInfo.getName()) || StrUtil.isBlank(goumaixinxiInfo.getPassword())) { // throw new CustomException(ResultCode.PARAM_ERROR); // } // return Result.success(goumaixinxiInfoService.add(goumaixinxiInfo)); // } /** * 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<GoumaixinxiInfo> infoList = ExcelUtil.getReader(file.getInputStream()).readAll(GoumaixinxiInfo.class); if (!CollectionUtil.isEmpty(infoList)) { // 处理一下空数据 List<GoumaixinxiInfo> resultList = infoList.stream().filter(x -> ObjectUtil.isNotEmpty(x.getWupinmingcheng())).collect(Collectors.toList()); for (GoumaixinxiInfo info : resultList) { goumaixinxiInfoService.add(info); } } return Result.success(); } //yoxutonxgjitu @GetMapping("/getExcelModel") public void getExcelModel(HttpServletResponse response) throws IOException { // 1. 生成excel Map<String, Object> row = new LinkedHashMap<>(); row.put("wupinbianhao", "A物品编号"); row.put("wupinmingcheng", "A物品名称"); row.put("wupinleibie", "A物品类别"); row.put("jiage", "A价格"); row.put("faburen", "A发布人"); row.put("goumairen", "A购买人"); row.put("status", "是"); row.put("level", "goumaixinxi"); 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=goumaixinxiInfoModel.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("wupinbianhao", "A物品编号"); row.put("wupinmingcheng", "A物品名称"); row.put("wupinleibie", "A物品类别"); row.put("jiage", "A价格"); row.put("faburen", "A发布人"); row.put("goumairen", "A购买人"); row.put("status", "是"); row.put("level", "权限"); List<Map<String, Object>> list = CollUtil.newArrayList(row); List<Map<String, Object>> daochuexcellist = goumaixinxiInfoDao.daochuexcel(); Map<String, Double> typeMap = new HashMap<>(); for (Map<Str