'commit'

src/main/java/com/dsideal/QingLong/DataShare/Controller/DataShareController.java

@@ -1,9 +1,12 @@
 package com.dsideal.QingLong.DataShare.Controller;
 
 import cn.hutool.core.io.FileUtil;
+import com.aspose.cells.PdfSaveOptions;
+import com.aspose.cells.Workbook;
 import com.dsideal.QingLong.DataShare.Model.DataShareModel;
 import com.dsideal.QingLong.Gtzz.Model.GtzzModel;
 import com.dsideal.QingLong.Interceptor.*;
+import com.dsideal.QingLong.Util.AsposeUtil;
 import com.dsideal.QingLong.Util.CommonUtil;
 import com.jfinal.aop.Before;
 import com.jfinal.core.Controller;
@@ -16,8 +19,12 @@ import com.jfinal.kit.StrKit;
 import com.jfinal.plugin.activerecord.Page;
 import com.jfinal.plugin.activerecord.Record;
 import com.jfinal.upload.UploadFile;
+import org.apache.poi.ss.formula.ptg.ErrPtg;
 
-import java.io.File;
+import javax.servlet.http.HttpServletResponse;
+import java.io.*;
+import java.net.URI;
+import java.net.URL;
 import java.util.List;
 import java.util.UUID;
 
@@ -110,8 +117,18 @@ public class DataShareController extends Controller {
     @IsSysAdminInterface({"1"})
     public void downloadXlsx(int system_id) {
         Record record = dm.getSystemById(system_id);
-        String url = record.getStr("url");
-        if (StrKit.isBlank(url)) {
+        boolean Error = false;
+        String url = "";
+        if (record == null) {
+            Error = true;
+        } else {
+            url = record.getStr("url");
+            if (StrKit.isBlank(url)) {
+                Error = true;
+            }
+        }
+
+        if (Error) {
             Kv kv = Kv.by("success", false);
             kv.set("message", "此系统还没有上传说明文档，无法下载！");
             renderJson(kv);
@@ -133,12 +150,21 @@ public class DataShareController extends Controller {
     @IsLoginInterface({})
     @IsNumericInterface({"system_id"})
     @IsSysAdminInterface({"1"})
-    public void previewXlsx(int system_id) {
+    public void previewXlsx(int system_id) throws Exception {
         Record record = dm.getSystemById(system_id);
-        String url = record.getStr("url");
-        if (StrKit.isBlank(url)) {
+        boolean Error = false;
+        String url = "";
+        if (record == null) {
+            Error = true;
+        } else {
+            url = record.getStr("url");
+            if (StrKit.isBlank(url)) {
+                Error = true;
+            }
+        }
+        if (Error) {
             Kv kv = Kv.by("success", false);
-            kv.set("message", "此系统还没有上传说明文档，无法预览！");
+            kv.set("message", "此系统还没有上传说明文档，无法下载！");
             renderJson(kv);
             return;
         }
@@ -147,15 +173,36 @@ public class DataShareController extends Controller {
         String file_name = array[array.length - 1];
         String basePath = PathKit.getWebRootPath() + "/upload/";
         String realPath = basePath + file_name;
-        GtzzModel gm = new GtzzModel();
-        gm.uploadForPreview(realPath);
-        //获取预览地址
-        Kv kv = Kv.create();
-        String previewName = "https://ow365.cn/?i=14531&ssl=1&info=3&fname=" + file_name + "&furl=" + "https://video.edusoa.com/ccsjy-gtzz/" + file_name;
-        kv.set("forPrintUrl", previewName);
-        renderJson(kv);
-
+        realPath=realPath.replace("\\","/");
+        String system_name = record.getStr("system_name");
+        //注册信息
+        AsposeUtil.getLicense();
+        Workbook wb = new Workbook(realPath);// 原始excel路径
+        String targetPath = realPath.replace(".xlsx", ".pdf");
+        FileOutputStream fileOS = new FileOutputStream(targetPath);
+        PdfSaveOptions pdfSaveOptions = new PdfSaveOptions();
+        pdfSaveOptions.setOnePagePerSheet(true);
+        wb.save(fileOS, pdfSaveOptions);
+        fileOS.flush();
+        fileOS.close();
+        //renderFile(new File(targetPath), "【" + system_name + "】文档说明.pdf");
 
+        HttpServletResponse response = getResponse();
+        BufferedInputStream br = new BufferedInputStream(new FileInputStream(targetPath));
+        byte[] buf = new byte[1024];
+        int len;
+        response.reset(); // 非常重要
+        URI uri = new URI("file:///" + targetPath);
+        URL u = uri.toURL();
+        response.setContentType(u.openConnection().getContentType());
+        String fileName = "【" + system_name + "】文档说明.pdf";
+        response.setHeader("Content-Disposition", "inline; filename=" + fileName);
+        OutputStream out = response.getOutputStream();
+        while ((len = br.read(buf)) > 0)
+            out.write(buf, 0, len);
+        br.close();
+        out.close();
+        renderNull();
     }