添加excel导入功能，批量新增数据失败。

pom.xml

@@ -44,11 +44,10 @@
 		</dependency>
 
 		<!-- 热部署工具 -->
-		<dependency>
-			<groupId>org.springframework.boot</groupId>
-			<artifactId>spring-boot-devtools</artifactId>
-			<optional>true</optional>
-		</dependency>
+<!--		<dependency>-->
+<!--			<groupId>org.springframework.boot</groupId>-->
+<!--			<artifactId>spring-boot-devtools</artifactId>-->
+<!--		</dependency>-->
 
 		<dependency>
 			<groupId>org.springframework.boot</groupId>
@@ -122,6 +121,38 @@
 			<version>1.2.17</version>
 		</dependency>
 
+		<!-- hutools-->
+		<dependency>
+			<groupId>cn.hutool</groupId>
+			<artifactId>hutool-all</artifactId>
+			<version>5.3.0</version>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.poi</groupId>
+			<artifactId>poi-ooxml</artifactId>
+			<version>4.1.2</version>
+		</dependency>
+		<dependency>
+			<groupId>xerces</groupId>
+			<artifactId>xercesImpl</artifactId>
+			<version>2.12.0</version>
+		</dependency>
+
+		<!-- https://mvnrepository.com/artifact/com.baomidou/mybatis-plus -->
+		<dependency>
+			<groupId>com.baomidou</groupId>
+			<artifactId>mybatis-plus</artifactId>
+			<version>3.3.0</version>
+		</dependency>
+
+
+		<dependency>
+			<groupId>commons-beanutils</groupId>
+			<artifactId>commons-beanutils</artifactId>
+			<version>1.9.3</version>
+		</dependency>
+
+
 	</dependencies>
 
 	<build>

src/main/java/com/wangzg/kuaidi/KuaiDiApplication.java

@@ -1,5 +1,6 @@
 package com.wangzg.kuaidi;
 
+import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.builder.SpringApplicationBuilder;

src/main/java/com/wangzg/kuaidi/domain/KuaiDi.java

@@ -1,5 +1,7 @@
 package com.wangzg.kuaidi.domain;
 
+import com.baomidou.mybatisplus.annotation.TableField;
+import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.Builder;
 import lombok.Data;
 
@@ -10,7 +12,9 @@
  */
 @Data
 @Builder
+@TableName("kuaidi")
 public class KuaiDi {
+    public KuaiDi(){}
     public KuaiDi(Integer id, String userName, String phone, String kuaidiNo, String company, Date createTime) {
         this.id = id;
         this.userName = userName;
@@ -27,30 +31,36 @@ public KuaiDi(Integer id, String userName, String phone, String kuaidiNo, String
         this.company = company;
     }
 
+    @TableField("ID")
     private Integer id;
 
     /**
      * 收件人姓名
      */
+    @TableField("ID")
     private String userName;
     /**
      * 收件人电话
      */
+    @TableField("PHONE")
     private String phone;
 
     /**
      * 快递单号
      */
+    @TableField("KUAIDI_NO")
     private String kuaidiNo;
 
     /**
      * 快递公司名称（拼音）
      */
+    @TableField("COMPANY")
     private String company;
 
     /**
      * 订单创建时间
      */
+    @TableField("CREATE_TIME")
     private Date createTime;
 
 }

src/main/java/com/wangzg/kuaidi/mapper/KuaiDiMapper.java

@@ -1,5 +1,6 @@
 package com.wangzg.kuaidi.mapper;
 
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.wangzg.kuaidi.domain.KuaiDi;
 import org.apache.ibatis.annotations.Mapper;
 import org.apache.ibatis.annotations.Param;
@@ -9,7 +10,7 @@
 
 @Component
 @Mapper
-public interface KuaiDiMapper {
+public interface KuaiDiMapper  extends BaseMapper<KuaiDi> {
 
     // 查询
     List<KuaiDi> selectList(KuaiDi kuaiDi);

src/main/java/com/wangzg/kuaidi/service/KuaiDiService.java

@@ -1,12 +1,14 @@
 package com.wangzg.kuaidi.service;
 
 
+import com.baomidou.mybatisplus.extension.service.IService;
 import com.wangzg.kuaidi.domain.KuaiDi;
 import com.wangzg.kuaidi.util.Message;
+import org.springframework.web.multipart.MultipartFile;
 
 import java.util.List;
 
-public interface KuaiDiService {
+public interface KuaiDiService extends IService<KuaiDi> {
 
     // 查询
     List<KuaiDi> getList(String username, String phone);
@@ -19,4 +21,7 @@ public interface KuaiDiService {
 
     // 删除
     Message<KuaiDi> removeById(Integer id);
+
+    //导入文件内容
+    void importData(MultipartFile multipartFile) throws Exception;
 }

src/main/java/com/wangzg/kuaidi/service/impl/KuaiDiServiceImpl.java

@@ -1,19 +1,23 @@
 package com.wangzg.kuaidi.service.impl;
 
+import cn.hutool.core.collection.CollectionUtil;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.wangzg.kuaidi.domain.KuaiDi;
 import com.wangzg.kuaidi.mapper.KuaiDiMapper;
 import com.wangzg.kuaidi.service.KuaiDiService;
+import com.wangzg.kuaidi.util.ExcelUtils;
 import com.wangzg.kuaidi.util.Message;
 import com.wangzg.kuaidi.util.MessageEnum;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
 
 import java.util.Date;
 import java.util.List;
 
 @Service
-public class KuaiDiServiceImpl implements KuaiDiService {
+public class KuaiDiServiceImpl extends ServiceImpl<KuaiDiMapper, KuaiDi> implements KuaiDiService {
 
 //    private final Logger log = LoggerFactory.getLogger(this.getClass());
 
@@ -97,4 +101,13 @@ public Message<KuaiDi> removeById(Integer id) {
         return msg;
     }
 
+    @Override
+    public void importData(MultipartFile multipartFile) throws Exception{
+        List<KuaiDi> kuaiDiList = ExcelUtils.getKuaiDiList(multipartFile.getInputStream());
+        if(CollectionUtil.isNotEmpty(kuaiDiList)){
+            //批量插入
+            this.saveBatch(kuaiDiList);
+        }
+    }
+
 }

src/main/java/com/wangzg/kuaidi/util/ExcelUtils.java

@@ -0,0 +1,60 @@
+package com.wangzg.kuaidi.util;
+
+import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.collection.CollectionUtil;
+import cn.hutool.core.io.FileUtil;
+import cn.hutool.core.io.resource.ResourceUtil;
+import cn.hutool.core.map.MapUtil;
+import cn.hutool.poi.excel.ExcelReader;
+import cn.hutool.poi.excel.ExcelUtil;
+import com.wangzg.kuaidi.domain.KuaiDi;
+import org.apache.commons.beanutils.BeanUtils;
+
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.lang.reflect.InvocationTargetException;
+import java.util.*;
+
+import static org.apache.commons.beanutils.BeanUtils.populate;
+
+/**
+ * @author wangzg
+ * @date 2020/4/13
+ */
+public class ExcelUtils {
+
+    /**
+     * 获取第一个sheet页的内容
+     * @param inputStream
+     * @return
+     */
+    public static List<KuaiDi> getKuaiDiList(InputStream inputStream)  {
+        List<KuaiDi> kuaiDiList = new ArrayList<>();
+        if(Objects.nonNull(inputStream)){
+            ExcelReader excelReader = ExcelUtil.getReader(inputStream);
+            excelReader.addHeaderAlias("快递单号","kuaidiNo");
+            excelReader.addHeaderAlias("用户名","userName");
+            excelReader.addHeaderAlias("电话","phone");
+            excelReader.addHeaderAlias("快递公司","company");
+            List<Map<String,Object>> rowList = excelReader.readAll();
+            if(CollectionUtil.isNotEmpty(rowList)){
+                rowList.stream().forEach(r->{
+                    KuaiDi kuaiDi = new KuaiDi();
+                    try {
+                        populate(kuaiDi,r);
+                        kuaiDi.setCreateTime(new Date());
+                        kuaiDiList.add(kuaiDi);
+                    } catch (Exception e) {
+                        e.printStackTrace();
+                    }
+                });
+            }
+        }
+        return kuaiDiList;
+    }
+
+    public static void main(String[] args) {
+        List<KuaiDi> kuaiDiList = getKuaiDiList(ResourceUtil.getStream("D:\\快递.xls"));
+        kuaiDiList.stream().forEach(System.out::println);
+    }
+}

src/main/java/com/wangzg/kuaidi/web/KuaiDiController.java

@@ -11,6 +11,7 @@
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
 
 import java.util.List;
 
@@ -47,4 +48,10 @@ Message delKuaiDi(Integer id) {
     Message modifyKuaiDi(Integer id, String userName, String phone, String kuaiDiNo, String company) {
         return kuaiDiService.modify(id, userName, phone, kuaiDiNo, company);
     }
+
+    @PostMapping("/import")
+    public Message importData(MultipartFile multipartFile) throws Exception{
+        kuaiDiService.importData(multipartFile);
+        return  new Message(200);
+    }
 }