完成了导入，没加Token验证，需要excel值全部引号包裹

pom.xml

@@ -112,6 +112,11 @@
             <artifactId>java-jwt</artifactId>
             <version>3.19.2</version>
         </dependency>
+        <dependency>
+            <groupId>org.apache.poi</groupId>
+            <artifactId>poi-ooxml</artifactId>
+            <version>5.2.2</version>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/controller/AdditionalFunctionsController.java

@@ -0,0 +1,38 @@
+package cn.edu.hfut.rmdjzz.projectmanagement.controller;
+
+import cn.edu.hfut.rmdjzz.projectmanagement.exception.BadRequestException;
+import cn.edu.hfut.rmdjzz.projectmanagement.service.IStaffService;
+import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.ResponseMap;
+import lombok.SneakyThrows;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestHeader;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.util.Objects;
+
+/**
+ * @author 张韬
+ * created at 2022/7/7 17:08
+ */
+@RestController
+public class AdditionalFunctionsController {
+    @Autowired
+    private IStaffService staffService;
+    @SneakyThrows
+    @PostMapping(value = "/staff/import")
+    public ResponseMap upload(@RequestHeader("Token") String token, @RequestParam("uploadFile") MultipartFile uploadFile){
+        if (null == uploadFile) {
+            throw new BadRequestException("空的文件参数");
+        }
+        String fileName = Objects.requireNonNull(uploadFile.getOriginalFilename()).toLowerCase();
+        if (!fileName.endsWith(".xlsx")) {
+            throw new BadRequestException("文件类型错误");
+        }
+        Integer successCount=staffService.multiImport(token,uploadFile);
+        return ResponseMap.ofSuccess("成功导入"+successCount+"条数据");
+    }
+
+}

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/entity/Staff.java

@@ -17,4 +17,5 @@ public class Staff {
     private String staffFullname;
     private String staffGender;
     private String staffSalt;
+    private Integer staffLevel;
 }

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/IStaffService.java

@@ -5,6 +5,7 @@ import cn.edu.hfut.rmdjzz.projectmanagement.exception.BadRequestException;
 import cn.edu.hfut.rmdjzz.projectmanagement.exception.TokenException;
 import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.ResponseMap;
 import com.baomidou.mybatisplus.extension.service.IService;
+import org.springframework.web.multipart.MultipartFile;
 
 /**
  * @author 佘语殊
@@ -14,4 +15,6 @@ public interface IStaffService extends IService<Staff> {
     ResponseMap login(String username, String password) throws BadRequestException, TokenException;
 
     Boolean logout(String token) throws TokenException;
+
+    Integer multiImport(String token, MultipartFile file) throws BadRequestException;
 }

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/service/impl/StaffServiceImpl.java

@@ -9,11 +9,22 @@ import cn.edu.hfut.rmdjzz.projectmanagement.utils.TokenUtils;
 import cn.edu.hfut.rmdjzz.projectmanagement.utils.http.ResponseMap;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import org.apache.commons.lang3.RandomStringUtils;
+import org.apache.poi.ss.usermodel.CellType;
+import org.apache.poi.xssf.usermodel.XSSFCell;
+import org.apache.poi.xssf.usermodel.XSSFSheet;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
+import org.jetbrains.annotations.Contract;
+import org.jetbrains.annotations.NotNull;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.redis.core.RedisTemplate;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Isolation;
+import org.springframework.transaction.annotation.Transactional;
 import org.springframework.util.DigestUtils;
+import org.springframework.web.multipart.MultipartFile;
 
+import java.util.ArrayList;
 import java.util.Objects;
 import java.util.concurrent.TimeUnit;
 
@@ -67,4 +78,101 @@ public class StaffServiceImpl extends ServiceImpl<StaffMapper, Staff> implements
         redisTemplate.delete(staffId);
         return true;
     }
+
+    @Transactional(isolation = Isolation.SERIALIZABLE, rollbackFor = Exception.class)
+    @Override
+    public Integer multiImport(String token, MultipartFile file) throws BadRequestException {
+        //TODO:check Token here
+
+        try {
+            XSSFWorkbook xwb = new XSSFWorkbook(file.getInputStream());
+            XSSFSheet sheet = xwb.getSheetAt(0);
+
+            if (sheet == null) {
+                throw new BadRequestException("无法获取Sheet");
+            }
+
+            ArrayList<String> staffUsernameC = new ArrayList<>();
+            ArrayList<String> staffPasswordC = new ArrayList<>();
+            ArrayList<String> staffFullnameC = new ArrayList<>();
+            ArrayList<String> staffGenderC = new ArrayList<>();
+            ArrayList<String> staffLevelC = new ArrayList<>();
+            if (!xlsxColumnGetter("staffUsername", 0, staffUsernameC, sheet)) {
+                throw new BadRequestException("读取列staffUsername失败");
+            }
+            int totalCount = staffUsernameC.size();
+
+            if (totalCount < 1) {
+                throw new BadRequestException("读取不到条目");
+            }
+            System.out.println(totalCount);
+            System.out.println(staffUsernameC);
+            if (!xlsxColumnGetter("staffPassword", 1, staffPasswordC, sheet) ||
+                    staffPasswordC.size() != totalCount) {
+                throw new BadRequestException("读取列staffPassword失败");
+            }
+            System.out.println(staffPasswordC);
+            if (!xlsxColumnGetter("staffFullname", 2, staffFullnameC, sheet) ||
+                    staffFullnameC.size() != totalCount) {
+                throw new BadRequestException("读取列staffFullname失败");
+            }
+            System.out.println(staffFullnameC);
+            if (!xlsxColumnGetter("staffGender", 3, staffGenderC, sheet) ||
+                    staffGenderC.size() != totalCount) {
+                throw new BadRequestException("读取列staffGender失败");
+            }
+            System.out.println(staffGenderC);
+            if (!xlsxColumnGetter("staffLevel", 4, staffLevelC, sheet) ||
+                    staffLevelC.size() != totalCount) {
+                throw new BadRequestException("读取列staffLevel失败");
+            }
+            System.out.println(staffLevelC);
+            for (int i = 0; i < totalCount; i++) {
+                if (Integer.parseInt(staffLevelC.get(i)) != 2 && Integer.parseInt(staffLevelC.get(i)) != 3) {
+                    throw new BadRequestException("列staffLevel无效");
+                }
+            }
+
+            for (int i = 0; i < totalCount; i++) {
+                Staff staff = new Staff();
+                staff.setStaffId(null);
+                staff.setStaffUsername(staffUsernameC.get(i));
+                staff.setStaffSalt(RandomStringUtils.randomAlphanumeric(10));
+                if (staffPasswordC.get(i).length() < 5) {
+                    throw new BadRequestException("检测到存在密码长度过短");
+                }
+                staff.setStaffPassword(DigestUtils.md5DigestAsHex((DigestUtils.md5DigestAsHex(staffPasswordC.get(i).getBytes()) + staff.getStaffSalt()).getBytes()));
+                staff.setStaffFullname(staffFullnameC.get(i));
+                staff.setStaffGender(staffGenderC.get(i));
+                staff.setStaffLevel(Integer.parseInt(staffLevelC.get(i)));
+                System.out.println(staff);
+                if (baseMapper.insert(staff) != 1) {
+                    throw new BadRequestException("第" + (i + 1) + "行数据错误");
+                }
+            }
+            return totalCount;
+        } catch (BadRequestException e) {
+            throw e;
+        } catch (Exception e) {
+            throw new BadRequestException("导入失败");
+        }
+    }
+
+
+    private Boolean xlsxColumnGetter(String columnName, int columnIndex, ArrayList<String> result, XSSFSheet sheet) {
+        try {
+            if (!columnName.equals(sheet.getRow(0).getCell(columnIndex).getStringCellValue())) {
+                return false;
+            }
+            for (int i = 1; i <= sheet.getLastRowNum(); i++) {
+                String value=sheet.getRow(i).getCell(columnIndex).getStringCellValue();
+                if(value==null||value.length()<=2)
+                    return true;
+                result.add(value.substring(1,value.length()-1));
+            }
+            return true;
+        } catch (Exception e) {
+            return false;
+        }
+    }
 }