国结公共模块代码上传

doc/src/main/java/cn/com/brilliance/doc/controller/FileController.java

@@ -6,7 +6,10 @@ import cn.com.brilliance.doc.service.WordTemplateService;
 import cn.com.brilliance.doc.utils.WordToPDF;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpRequest;
 import org.springframework.web.bind.annotation.*;
+import javax.servlet.http.HttpServletResponse;
+
 
 import java.io.IOException;
 import java.util.Map;
@@ -65,7 +68,6 @@ public class FileController {
         wordToPDF.doxcTopdf(filePath, targetPath, licenseKey);
         return targetPath;
     }
-
     /**
      * word-docx模板生成word-docx
      * @param paramMap map
@@ -76,4 +78,17 @@ public class FileController {
     public String wordTemplateToWord(@RequestBody Map<String, Object> paramMap) {
         return wordTemplateService.poiCreateWord(paramMap);
     }
+
+    /**
+     *
+     * 读取模板文件并生成docx返回base码预览
+     * @param paramMap 模板所需参数
+     * @param response 请求应答
+     * @return
+     * @throws IOException
+     */
+    @PostMapping("word")
+    public String wordConvertAndPreview(@RequestBody Map<String, Object> paramMap, HttpServletResponse response) throws IOException {
+       return  wordTemplateService.wordConvertAndPreview(paramMap,response);
+    }
 }

doc/src/main/java/cn/com/brilliance/doc/service/WordTemplateService.java

@@ -2,10 +2,13 @@ package cn.com.brilliance.doc.service;
 
 import org.springframework.stereotype.Repository;
 
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
 import java.util.Map;
 
 @Repository
 public interface WordTemplateService {
      String docxTemplateToDocx(String templateName);
      String poiCreateWord(Map<String, Object> paramMap);
+     String wordConvertAndPreview(Map<String, Object> paramMap, HttpServletResponse response) throws IOException;
 }

doc/src/main/java/cn/com/brilliance/doc/service/impl/WordTemplateServiceImpl.java

@@ -5,6 +5,7 @@ import cn.com.brilliance.doc.service.WordTemplateService;
 import com.deepoove.poi.XWPFTemplate;
 import fr.opensagres.xdocreport.document.json.JSONObject;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.io.ClassPathResource;
 import org.springframework.stereotype.Service;
 import fr.opensagres.xdocreport.document.IXDocReport;
 import fr.opensagres.xdocreport.document.registry.XDocReportRegistry;
@@ -12,8 +13,13 @@ import fr.opensagres.xdocreport.template.IContext;
 import fr.opensagres.xdocreport.template.TemplateEngineKind;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import sun.misc.BASE64Encoder;
 
+import javax.servlet.ServletOutputStream;
+import javax.servlet.http.HttpServletResponse;
 import java.io.*;
+import java.net.URLEncoder;
+import java.util.HashMap;
 import java.util.Map;
 import java.util.UUID;
 
@@ -29,6 +35,7 @@ public class WordTemplateServiceImpl implements WordTemplateService {
     @Autowired
     private DocBean docBean;
 
+    @Override
     public String docxTemplateToDocx(String templateName) {
         InputStream ins = null;
         OutputStream out = null;
@@ -79,12 +86,13 @@ public class WordTemplateServiceImpl implements WordTemplateService {
     }
 
     /**
-     *
      * 基于poi-tl模板引擎生成docx模板文件为docx
+     *
      * @param paramMap 模板文件替换参数
      * @return
      */
-    public  String poiCreateWord(Map<String, Object> paramMap) {
+    @Override
+    public String poiCreateWord(Map<String, Object> paramMap) {
         String templatePath = docBean.getTemplatesPath() + paramMap.get("templateName");
         String targetPath = docBean.getFilePath() + paramMap.get("fileName");
         // 读取模板渲染参数
@@ -100,4 +108,63 @@ public class WordTemplateServiceImpl implements WordTemplateService {
         return targetPath;
     }
 
+    /**
+     * 读取模板文件并生成docx返回base码预览和下载
+     * @date 2023-03-21
+     * @author weiguanying
+     * @param paramMap
+     * @param response
+     * @return
+     * @throws IOException
+     */
+    @Override
+    public String wordConvertAndPreview(Map<String, Object> paramMap, HttpServletResponse response) throws IOException {
+        File sourceFile = new File(docBean.getTemplatesPath() + paramMap.get("templateName"));
+        //在模板文件中任意表格位置填充数据
+        Map<String, Object> data = new HashMap();
+        data.put("title", paramMap.get("title"));
+
+        //浏览器端下载
+        response.setCharacterEncoding("utf-8");
+        response.setContentType("application/msword" + ";charset=UTF-8");
+        String fileName = "preview" + ".docx";
+        response.setHeader("Content-Disposition", "attachment;filename="
+                .concat(String.valueOf(URLEncoder.encode(fileName, "UTF-8"))));
+        response.flushBuffer();
+        BufferedInputStream bis = new BufferedInputStream(new FileInputStream(sourceFile));
+        //创建输出流
+        OutputStream os = response.getOutputStream();
+        //最终编译渲染并输出
+        XWPFTemplate.compile(sourceFile).render(data).writeAndClose(os);
+        // 创建字节输出流
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        byte[] buffer = new byte[1024];
+        int i = bis.read(buffer);
+        while (i != -1) {
+            os.write(buffer, 0, i);
+            outputStream.write(buffer, 0, i);
+            i = bis.read(buffer);
+        }
+        // 读取输出流字节
+        byte[] bytes = outputStream.toByteArray();
+        // 转BASE64编码字符串
+        BASE64Encoder encoder = new BASE64Encoder();
+        String base64String = encoder.encodeBuffer(bytes).trim();
+        if (bis != null) {
+            bis.close();
+        }
+        if (os != null) {
+            os.close();
+        }
+        if (outputStream != null) {
+            outputStream.close();
+        }
+        System.out.println(base64String);
+        // response.se
+        return base64String;
+        // return base64String.replaceAll("\n", "").replaceAll("\r", "");
+
+    }
+
 }
+