添加properties文件预览支持

src/main/java/com/yudianbank/utils/DownloadUtils.java

@@ -48,6 +48,8 @@ public class DownloadUtils {
         UUID uuid = UUID.randomUUID();
         if (null == fileName) {
             fileName = uuid+ "."+type;
+        }else { // 文件后缀不一致时，以type为准(针对simText【将类txt文件转为txt】)
+            fileName = fileName.replace(fileName.substring(fileName.lastIndexOf(".") + 1), type);
         }
         String realPath = fileDir + fileName;
         File dirFile = new File(fileDir);
@@ -67,6 +69,8 @@ public class DownloadUtils {
             os.close();
             in.close();
             response.setContent(realPath);
+            // 同样针对类txt文件，如果成功msg包含的是转换后的文件名
+            response.setMsg(fileName);
             return response;
         } catch (IOException e) {
             e.printStackTrace();

src/main/java/com/yudianbank/utils/OfficeToPdf.java

@@ -22,24 +22,6 @@ public class OfficeToPdf {
         return office2pdf(inputFilePath, outputFilePath);
     }
 
-
-
-    /**
-     * 连接OpenOffice.org 并且启动OpenOffice.org
-     *
-     * @return
-     */
-    /*public  OfficeManager getOfficeManager() {
-        DefaultOfficeManagerConfiguration config = new DefaultOfficeManagerConfiguration();
-        // 获取OpenOffice.org 3的安装目录
-        String officeHome = openOfficePath;
-        config.setOfficeHome(officeHome);
-        // 启动OpenOffice的服务
-        OfficeManager officeManager = config.buildOfficeManager();
-        officeManager.start();
-        return officeManager;
-    }*/
-
     /**
      * 转换文件
      *

src/main/java/com/yudianbank/utils/ShedulerClean.java

@@ -11,7 +11,7 @@ public class ShedulerClean {
     @Value("${file.dir}")
     String fileDir;
 
-    @Scheduled(cron = "0 0 23 * * ?")   //每晚23点执行一次
+//    @Scheduled(cron = "0 0 23 * * ?")   //每晚23点执行一次
     public void clean(){
         System.out.println("执行一次清空文件夹");
         DeleteFileUtil.deleteDirectory(fileDir);

src/main/java/com/yudianbank/utils/SimTextUtil.java

+package com.yudianbank.utils;
+
+import com.yudianbank.param.ReturnResponse;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+/**
+ *  读取类文本文件
+ * @author yudian-it
+ * @date 2017/12/13
+ */
+@Component
+public class SimTextUtil {
+    @Value("${file.dir}")
+    String fileDir;
+    @Autowired
+    DownloadUtils downloadUtils;
+
+    public ReturnResponse<String> readSimText(String url, String fileName, String needEncode){
+        ReturnResponse<String> response = downloadUtils.downLoad(url, "txt", fileName, needEncode);
+        return response;
+    }
+}

src/main/java/com/yudianbank/web/controller/OnlinePreviewController.java

 package com.yudianbank.web.controller;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
+import com.ctrip.framework.apollo.Config;
+import com.ctrip.framework.apollo.spring.annotation.ApolloConfig;
 import com.yudianbank.param.ReturnResponse;
-import com.yudianbank.utils.DownloadUtils;
-import com.yudianbank.utils.FileUtils;
-import com.yudianbank.utils.OfficeToPdf;
-import com.yudianbank.utils.ZipReader;
+import com.yudianbank.utils.*;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Controller;
@@ -15,10 +12,10 @@ import org.springframework.util.StringUtils;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 
-import javax.servlet.http.HttpServletResponse;
 import java.io.File;
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
+import java.util.Arrays;
 
 /**
  * @author yudian-it
@@ -33,6 +30,10 @@ public class OnlinePreviewController {
     DownloadUtils downloadUtils;
     @Autowired
     ZipReader zipReader;
+    @Autowired
+    SimTextUtil simTextUtil;
+    @ApolloConfig
+    Config config;
 
     @Value("${file.dir}")
     String fileDir;
@@ -49,31 +50,32 @@ public class OnlinePreviewController {
     @RequestMapping(value = "onlinePreview",method = RequestMethod.GET)
     public String onlinePreview(String url, String needEncode, Model model) throws UnsupportedEncodingException {
         // 路径转码
-        url = URLDecoder.decode(url, "utf-8");
+        String decodedUrl = URLDecoder.decode(url, "utf-8");
         String type = typeFromUrl(url);
         String suffix = suffixFromUrl(url);
+        // 抽取文件并返回文件列表
+        String fileName = fileUtils.getFileNameFromURL(decodedUrl);
         model.addAttribute("fileType", suffix);
         if (type.equalsIgnoreCase("picture")) {
             model.addAttribute("imgurl", url);
             return "picture";
-        } else if (type.equalsIgnoreCase("txt")
-                || type.equalsIgnoreCase("html")
-                || type.equalsIgnoreCase("xml")
-                || type.equalsIgnoreCase("java")
-                || type.equalsIgnoreCase("properties")
-                || type.equalsIgnoreCase("mp3")){
-            model.addAttribute("ordinaryUrl",url);
+        } else if (type.equalsIgnoreCase("simText")){
+            ReturnResponse<String> response = simTextUtil.readSimText(decodedUrl, fileName, needEncode);
+            if (0 != response.getCode()) {
+                model.addAttribute("msg", response.getMsg());
+                return "fileNotSupported";
+            }
+            model.addAttribute("ordinaryUrl", response.getMsg());
             return "txt";
         } else if(type.equalsIgnoreCase("pdf")){
             model.addAttribute("pdfUrl",url);
             return "pdf";
         } else if(type.equalsIgnoreCase("compress")){
             // 抽取文件并返回文件列表
-            String fileName = fileUtils.getFileNameFromURL(url);
             String fileTree = null;
             // 判断文件名是否存在(redis缓存读取)
             if (!StringUtils.hasText(fileUtils.getConvertedFile(fileName))) {
-                ReturnResponse<String> response = downloadUtils.downLoad(url, suffix, fileName, needEncode);
+                ReturnResponse<String> response = downloadUtils.downLoad(decodedUrl, suffix, fileName, needEncode);
                 if (0 != response.getCode()) {
                     model.addAttribute("msg", response.getMsg());
                     return "fileNotSupported";
@@ -99,7 +101,6 @@ public class OnlinePreviewController {
                 return "fileNotSupported";
             }
         } else if ("office".equalsIgnoreCase(type)) {
-            String fileName = fileUtils.getFileNameFromURL(url);
             String pdfName = fileName.substring(0, fileName.lastIndexOf(".") + 1)
                     + ((suffix.equalsIgnoreCase("xls") || suffix.equalsIgnoreCase("xlsx")) ?
                     "html" : "pdf");
@@ -107,7 +108,7 @@ public class OnlinePreviewController {
             if (!fileUtils.listConvertedFiles().containsKey(pdfName)) {
                 String filePath = fileDir + fileName;
                 if (!new File(filePath).exists()) {
-                    ReturnResponse<String> response = downloadUtils.downLoad(url, suffix, null, needEncode);
+                    ReturnResponse<String> response = downloadUtils.downLoad(decodedUrl, suffix, null, needEncode);
                     if (0 != response.getCode()) {
                         model.addAttribute("msg", response.getMsg());
                         return "fileNotSupported";
@@ -163,6 +164,10 @@ public class OnlinePreviewController {
         if (fileUtils.listOfficeTypes().contains(fileType.toLowerCase())) {
             fileType = "office";
         }
+        if (Arrays.asList(config.getArrayProperty("simText",",",new String[]{}))
+                .contains(fileType.toLowerCase())) {
+            fileType = "simText";
+        }
         return fileType;
     }
 

src/main/resources/application.properties

@@ -20,4 +20,6 @@ office.home = C:\\Program Files (x86)\\OpenOffice 4
 server.tomcat.uri-encoding = UTF-8
 converted.file.charset = GBK
 #======================================#文件上传限制#======================================#
-spring.http.multipart.max-file-size=100MB
+spring.http.multipart.max-file-size=100MB
\ No newline at end of file
+## 支持的类文本格式的文件类型
+simText = txt,html,xml,java,properties,mp3,mp4,sql
\ No newline at end of file

src/main/resources/web/compress.ftl

@@ -55,9 +55,22 @@
             },
             onClick:function (event, treeId, treeNode) {
                 if (!treeNode.directory) {
-                    var winHeight = window.document.documentElement.clientHeight-10;
-                    window.open(env_config.server_preview_url + encodeURIComponent(env_config.server_base_url + treeNode.fileName) + "&needEncode=1",
-                            "_blank", "height=" + winHeight + ",top=80,left=80,toolbar=no, menubar=no, scrollbars=yes, resizable=yes");
+                    /**实现窗口最大化**/
+                    var fulls = "left=0,screenX=0,top=0,screenY=0,scrollbars=1";    //定义弹出窗口的参数
+                    if (window.screen) {
+                        var ah = screen.availHeight - 30;
+                        var aw = (screen.availWidth - 10) / 2;
+                        fulls += ",height=" + ah;
+                        fulls += ",innerHeight=" + ah;
+                        fulls += ",width=" + aw;
+                        fulls += ",innerWidth=" + aw;
+                        fulls += ",resizable"
+                    } else {
+                        fulls += ",resizable"; // 对于不支持screen属性的浏览器，可以手工进行最大化。 manually
+                    }
+                    window.open(env_config.server_preview_url
+                            + encodeURIComponent(env_config.server_base_url + treeNode.fileName)
+                            + "&needEncode=1", "_blank",fulls);
                 }
             }
         }

src/main/resources/web/picture.ftl

@@ -15,8 +15,7 @@
 <h1>如果图片质量很好，首次加载图片时间可能会有点长，请耐心等待</h1>
 
 <ul id="dowebok">
-    <li><img id="Imgbox" src="#" width="800px" height="550px"></li>
-
+    <li><img id="Imgbox" src="#" width="800px" height="auto"></li>
 </ul>
 <script src="js/viewer.min.js"></script>
 <script>
@@ -26,6 +25,7 @@
         document.getElementById("Imgbox").src =document.getElementById("url").value;
     }
     var viewer = new Viewer(document.getElementById('dowebok'), {url: 'src'});
+    viewer.show();
 </script>
 <input name="url" value="${imgurl}" type="hidden" id="url" >
 </body>