调用工具：PDF生成

pom.xml

@@ -126,6 +126,21 @@
             <artifactId>jsoup</artifactId>
             <version>1.20.1</version>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/com.itextpdf/itext-core -->
+        <dependency>
+            <groupId>com.itextpdf</groupId>
+            <artifactId>itext-core</artifactId>
+            <version>9.1.0</version>
+            <type>pom</type>
+        </dependency>
+        <!-- https://mvnrepository.com/artifact/com.itextpdf/font-asian -->
+        <dependency>
+            <groupId>com.itextpdf</groupId>
+            <artifactId>font-asian</artifactId>
+            <version>9.1.0</version>
+            <scope>test</scope>
+        </dependency>
+
     </dependencies>
 
     <repositories>

src/main/java/com/huangge1199/aiagent/Service/ToolsService.java

@@ -24,4 +24,6 @@ public interface ToolsService {
     String terminalTool(String command);
 
     void downloadTool(String url, String name);
+
+    void pdfTool(String name, String context);
 }

src/main/java/com/huangge1199/aiagent/Service/impl/ToolsServiceImpl.java

@@ -9,7 +9,6 @@ import org.springframework.ai.ollama.OllamaChatModel;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
-import java.util.ArrayList;
 import java.util.List;
 
 /**
@@ -80,4 +79,10 @@ public class ToolsServiceImpl implements ToolsService {
         DownloadTool downloadTool = new DownloadTool();
         downloadTool.downloadResource(url, name);
     }
+
+    @Override
+    public void pdfTool(String name, String context) {
+        PDFGenerationTool pdfTool = new PDFGenerationTool();
+        pdfTool.generatePDF(name, context);
+    }
 }

src/main/java/com/huangge1199/aiagent/controller/ToolController.java

@@ -97,4 +97,15 @@ public class ToolController {
         toolsService.downloadTool(url, name);
         return R.ok();
     }
+
+    @PostMapping("/pdfTool")
+    @Operation(summary = "PDF生成")
+    public R<?> pdfTool(@RequestBody JSONObject params) {
+        String context = params.getStr("context");
+        String name = params.getStr("name");
+        CheckUtils.checkEmpty(context, "内容");
+        CheckUtils.checkEmpty(name, "文件名");
+        toolsService.pdfTool(name, context);
+        return R.ok();
+    }
 }

src/main/java/com/huangge1199/aiagent/tools/PDFGenerationTool.java

@@ -0,0 +1,56 @@
+package com.huangge1199.aiagent.tools;
+
+import cn.hutool.core.io.FileUtil;
+import com.itextpdf.kernel.font.PdfFont;
+import com.itextpdf.kernel.font.PdfFontFactory;
+import com.itextpdf.kernel.pdf.PdfDocument;
+import com.itextpdf.kernel.pdf.PdfWriter;
+import com.itextpdf.layout.Document;
+import com.itextpdf.layout.element.Paragraph;
+import org.springframework.ai.tool.annotation.Tool;
+import org.springframework.ai.tool.annotation.ToolParam;
+
+import java.io.IOException;
+
+/**
+ * PDFTool
+ *
+ * @author huangge1199
+ * @since 2025/5/28 16:23:46
+ */
+public class PDFGenerationTool {
+
+    @Tool(description = "Generate a PDF file with given content")
+    public String generatePDF(
+            @ToolParam(description = "Name of the file to save the generated PDF") String fileName,
+            @ToolParam(description = "Content to be included in the PDF") String content) {
+        String fileDir = FileConstant.FILE_SAVE_DIR + "/pdf";
+        String filePath = fileDir + "/" + fileName;
+        try {
+            // 创建目录
+            FileUtil.mkdir(fileDir);
+            // 创建 PdfWriter 和 PdfDocument 对象
+            try (PdfWriter writer = new PdfWriter(filePath);
+                 PdfDocument pdf = new PdfDocument(writer);
+                 Document document = new Document(pdf)) {
+                // 自定义字体（需要人工下载字体文件到特定目录）
+//                String fontPath = Paths.get("src/main/resources/static/fonts/simsun.ttf")
+//                        .toAbsolutePath().toString();
+//                PdfFont font = PdfFontFactory.createFont(fontPath,
+//                        PdfFontFactory.EmbeddingStrategy.PREFER_EMBEDDED);
+                // 使用内置中文字体
+//                PdfFont font = PdfFontFactory.createFont("STSongStd-Light", "UniGB-UCS2-H");
+//                document.setFont(font);
+                // 创建段落
+                Paragraph paragraph = new Paragraph(content);
+                // 添加段落并关闭文档
+                document.add(paragraph);
+            }
+            return "PDF generated successfully to: " + filePath;
+        } catch (IOException e) {
+            return "Error generating PDF: " + e.getMessage();
+        }
+    }
+}
+
+