基于SpringBoot+vue的在线花店后台管理系统源码+数据库（95分以上大作业项目）.zip

package com.lm.flowershop.controller; import cn.hutool.core.collection.CollUtil; import cn.hutool.core.util.StrUtil; import cn.hutool.poi.excel.ExcelReader; import cn.hutool.poi.excel.ExcelUtil; import cn.hutool.poi.excel.ExcelWriter; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.baomidou.mybatisplus.core.metadata.IPage; import com.baomidou.mybatisplus.extension.plugins.pagination.Page; import com.lm.flowershop.common.Constants; import com.lm.flowershop.common.Result; import com.lm.flowershop.controller.dto.ManagerDTO; import com.lm.flowershop.entity.Manager; import com.lm.flowershop.entity.Supplier; import com.lm.flowershop.service.IManagerService; import com.lm.flowershop.service.ISupplierService; import org.springframework.web.bind.annotation.*; import org.springframework.web.multipart.MultipartFile; import javax.annotation.Resource; import javax.servlet.ServletOutputStream; import javax.servlet.http.HttpServletResponse; import java.io.InputStream; import java.net.URLEncoder; import java.util.List; /** * @author lm * @create 2022-03-17 16:29 */ @RestController @RequestMapping("/supplier") public class SupplierController { @Resource private ISupplierService supplierService; //新增和修改 @PostMapping public Result save(@RequestBody Supplier supplier){ //新增或者更新 return Result.success(supplierService.saveOrUpdate(supplier)); } @GetMapping("/supName/{supName}") public Result findOne(@PathVariable String supName){ QueryWrapper<Supplier> queryWrapper=new QueryWrapper<>(); queryWrapper.eq("supName",supName); return Result.success(supplierService.getOne(queryWrapper)); } //查询所有数据 @GetMapping("/") public Result findAll() { return Result.success(supplierService.list()); } //删除数据 @DeleteMapping("/{id}") public Result delete(@PathVariable Integer id){ return Result.success( supplierService.removeById(id)); } //批量删除 @PostMapping("/del/batch") public Result deleteBatch(@RequestBody List<Integer> ids){ return Result.success(supplierService.removeByIds(ids)); } //分页查询——mybatis-plus的方式查询 @GetMapping("/page") public Result findPage(@RequestParam(defaultValue = "") String name, @RequestParam(defaultValue = "") String smanager, @RequestParam Integer pageNum, @RequestParam Integer pageSize ) { IPage<Supplier> page=new Page<>(pageNum,pageSize); QueryWrapper<Supplier> queryWrapper=new QueryWrapper<>(); if (!"".equals(name)){ queryWrapper.like("name",name); } if (!"".equals(smanager)){ queryWrapper.like("smanager",smanager); } queryWrapper.orderByDesc("id"); return Result.success(supplierService.page(page,queryWrapper)); } //分页查询 //接口路径：/user/page?pageNum=1&pageSize=10 //@RequestParam接收 // @GetMapping("/page") // public Map<String,Object> findPage(@RequestParam Integer pageNum, // @RequestParam Integer pageSize, // @RequestParam String adName) { // pageNum = (pageNum - 1) * pageSize; // List<Manager> data=managerMapper.selectpage(pageNum,pageSize,adName); // Integer total=managerMapper.selectTotal(adName); // Map<String,Object> res=new HashMap<>(); // res.put("data",data); // res.put("total",total); // return res; // } /** * 导出接口 */ @GetMapping("/export") public void export(HttpServletResponse response)throws Exception{ //从数据库查询出所有的数据 List<Supplier> list = supplierService.list(); //通过工具类创建writer写出到磁盘路径 //ExcelWriter writer = ExcelUtil.getWriter(filesUploadPath+ "/用户信息.xlsx"); //在内存操作，写出到浏览器 ExcelWriter writer = ExcelUtil.getWriter(true); //自定义标题别名 writer.addHeaderAlias("id","供应商编号"); writer.addHeaderAlias("name","供应商名称"); writer.addHeaderAlias("smanager","负责人"); writer.addHeaderAlias("supPhone","联系方式"); writer.addHeaderAlias("supAddress","地址"); //一次性写出list内的对象到Excel，使用默认样式，强制输出标题 writer.write(list,true); //设置浏览器响应格式 response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=utf-8"); String fileName = URLEncoder.encode("供应商信息","UTF-8"); response.setHeader("Content-Disposition", "attachment;filename=" + fileName + ".xlsx"); ServletOutputStream out = response.getOutputStream(); writer.flush(out,true); out.close(); writer.close(); } /** * excel 导入 * @param file * @throws Exception */ @PostMapping("/import") public Result imp(MultipartFile file) throws Exception{ InputStream inputStream = file.getInputStream(); ExcelReader reader = ExcelUtil.getReader(inputStream); //方式一：通过javabean的方式读取Excel内的对象，但是要求表头必须是英文，跟Javabean的属性要对应起来。 //List<Manager> list = reader.readAll(Manager.class); //方式二：忽略表头的中文，直接读取表的内容 List<List<Object>> list = reader.read(1); List<Supplier> suppliers = CollUtil.newArrayList(); for (List<Object> row : list){ Supplier supplier=new Supplier(); supplier.setName(row.get(0).toString()); supplier.setSmanager(row.get(1).toString()); supplier.setSupPhone(row.get(2).toString()); supplier.setSupAddress(row.get(3).toString()); suppliers.add(supplier); } supplierService.saveBatch(suppliers);//插入数据库 return Result.success(true); } }