更改 poi 版本

优化代码

@@ -62,12 +62,12 @@
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi</artifactId>
-            <version>3.6</version>
+            <version>4.1.0</version>
         </dependency>
         <dependency>
             <groupId>org.apache.poi</groupId>
             <artifactId>poi-ooxml</artifactId>
-            <version>3.17</version>
+            <version>4.1.0</version>
         </dependency>
 
         <dependency>
@@ -82,6 +82,12 @@
             <version>5.2.0.BUILD-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>org.apache.tomcat.embed</groupId>
+            <artifactId>tomcat-embed-core</artifactId>
+            <version>9.0.56</version>
+            <scope>compile</scope>
+        </dependency>
     </dependencies>
 
     <build>
@@ -98,4 +104,4 @@
         </plugins>
     </build>
 
-</project>
\ No newline at end of file
+</project>

@@ -18,6 +18,8 @@ import java.io.InputStream;
 import java.util.ArrayList;
 import java.util.List;
 
+import static org.apache.poi.ss.usermodel.CellType.STRING;
+
 /**
  * shenhailong
  * 2020/4/27/14:29
@@ -143,7 +145,7 @@ public class ExcelUtils {
                         if (hssfCell == null) {
                             rowList.add("");
                         } else {
-                            hssfCell.setCellType(Cell.CELL_TYPE_STRING);
+                            hssfCell.setCellType(STRING);
                             rowList.add(String.valueOf(hssfCell.getStringCellValue()));
                         }
                     }