ADD file via upload

src/main/java/com/controller/CollectInfoController.java

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+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.poi.excel.ExcelUtil;
+import cn.hutool.poi.excel.ExcelWriter;
+import com.example.common.Result;
+import com.example.common.ResultCode;
+import com.example.entity.CollectInfo;
+import com.example.service.*;
+import com.example.vo.CollectInfoVo;
+import com.example.vo.CollectInfoVo;
+import com.github.pagehelper.PageHelper;
+import com.github.pagehelper.PageInfo;
+import org.springframework.web.bind.annotation.*;
+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.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+@RestController
+@RequestMapping(value = "/collectInfo")
+public class CollectInfoController {
+    @Resource
+    private CollectInfoService collectInfoService;
+
+    @PostMapping
+    public Result<CollectInfo> add(@RequestBody CollectInfoVo collectInfo, HttpServletRequest request) {
+        collectInfoService.add(collectInfo, request);
+        return Result.success(collectInfo);
+    }
+
+    @DeleteMapping("/{id}")
+    public Result delete(@PathVariable Long id) {
+        collectInfoService.delete(id);
+        return Result.success();
+    }
+
+    @PutMapping
+    public Result update(@RequestBody CollectInfoVo collectInfo) {
+        collectInfoService.update(collectInfo);
+        return Result.success();
+    }
+
+    @GetMapping("/{id}")
+    public Result<CollectInfo> detail(@PathVariable Long id) {
+        CollectInfo collectInfo = collectInfoService.findById(id);
+        return Result.success(collectInfo);
+    }
+
+    @GetMapping
+    public Result<List<CollectInfoVo>> all() {
+        return Result.success(collectInfoService.findAll());
+    }
+
+    @GetMapping("/page/{name}")
+    public Result<PageInfo<CollectInfoVo>> page(@PathVariable String name,
+                                                @RequestParam(defaultValue = "1") Integer pageNum,
+                                                @RequestParam(defaultValue = "5") Integer pageSize,
+                                                HttpServletRequest request) {
+        return Result.success(collectInfoService.findPage(name, pageNum, pageSize, request));
+    }
+
+}