iText遵循GPL协议，直接引用则会经常提示需要开源项目或者取得授权，所以使用jaspersoft改过的iText包

pom.xml

@@ -49,7 +49,6 @@
 		<commons.fileupload.version>1.3.2</commons.fileupload.version>
 		<fastjson.version>1.1.39</fastjson.version>
 		<httpclient.version>4.5.2</httpclient.version>
-		<itextpdf.version>5.5.9</itextpdf.version>
 		<aspectjweaver.version>1.8.9</aspectjweaver.version>
 	</properties>
 
@@ -142,13 +141,6 @@
 			<version>${httpclient.version}</version>
 		</dependency>
 
-		<!-- pdf操作 -->
-		<dependency>
-			<groupId>com.itextpdf</groupId>
-			<artifactId>itextpdf</artifactId>
-			<version>${itextpdf.version}</version>
-		</dependency>
-
 		<!-- aspectjweaver -->
 		<dependency>
 			<groupId>org.aspectj</groupId>

src/main/java/com/uas/report/service/impl/FileServiceImpl.java

@@ -29,10 +29,10 @@ import org.springframework.web.multipart.MultipartFile;
 
 import com.alibaba.druid.util.StringUtils;
 import com.alibaba.fastjson.JSONObject;
-import com.itextpdf.text.Document;
-import com.itextpdf.text.DocumentException;
-import com.itextpdf.text.pdf.PdfCopy;
-import com.itextpdf.text.pdf.PdfReader;
+import com.lowagie.text.Document;
+import com.lowagie.text.DocumentException;
+import com.lowagie.text.pdf.PdfCopy;
+import com.lowagie.text.pdf.PdfReader;
 import com.uas.report.controller.schedule.model.DailyTaskInformation;
 import com.uas.report.controller.schedule.model.Executable;
 import com.uas.report.controller.schedule.service.TaskService;