优化文本类型预览逻辑

4 years ago · d4b11a4056
3 changed files with 13 additions and 28 deletions
--- a/jodconverter-web/src/main/config/freemarker_implicit.ftl
+++ b/jodconverter-web/src/main/config/freemarker_implicit.ftl
@ -1,5 +1,6 @@
 [#ftl]
 [#-- @implicitly included --]
+[#-- @ftlvariable name="textData" type="java.lang.String" --]
 [#-- @ftlvariable name="xmlContent" type="java.lang.String" --]
 [#-- @ftlvariable name="textContent" type="java.lang.String" --]
 [#-- @ftlvariable name="textType" type="java.lang.String" --]
--- a/jodconverter-web/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
+++ b/jodconverter-web/src/main/java/cn/keking/service/impl/SimTextFilePreviewImpl.java
@ -29,32 +29,23 @@ public class SimTextFilePreviewImpl implements FilePreview {
    }

    @Override
-    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute){
+    public String filePreviewHandle(String url, Model model, FileAttribute fileAttribute) {
        String fileName = fileAttribute.getName();
        ReturnResponse<String> response = downloadUtils.downLoad(fileAttribute, fileName);
        if (0 != response.getCode()) {
            model.addAttribute("msg", response.getMsg());
-            model.addAttribute("fileType",fileAttribute.getSuffix());
+            model.addAttribute("fileType", fileAttribute.getSuffix());
            return "fileNotSupported";
        }
        try {
            File originFile = new File(response.getContent());
-            File previewFile = new File(response.getContent() + ".txt");
-            if (previewFile.exists()) {
-                previewFile.delete();
-            }
-            Files.copy(originFile.toPath(), previewFile.toPath());
-            if(fileAttribute.getType().equals(FileType.xml)){
-                String xmlString = FileUtils.readFileToString(previewFile, StandardCharsets.UTF_8);
-
-                model.addAttribute("xmlContent", Base64Utils.encodeToString(xmlString.getBytes()));
-            }
+            String xmlString = FileUtils.readFileToString(originFile, StandardCharsets.UTF_8);
+            model.addAttribute("textData", Base64Utils.encodeToString(xmlString.getBytes()));
        } catch (IOException e) {
            model.addAttribute("msg", e.getLocalizedMessage());
-            model.addAttribute("fileType",fileAttribute.getSuffix());
+            model.addAttribute("fileType", fileAttribute.getSuffix());
            return "fileNotSupported";
        }
-        model.addAttribute("ordinaryUrl", response.getMsg());
        return "txt";
    }

--- a/jodconverter-web/src/main/resources/web/txt.ftl
+++ b/jodconverter-web/src/main/resources/web/txt.ftl
@ -7,6 +7,7 @@
 </head>
 <body>
 <input hidden id="textType" value="${textType}">
+<input hidden id="textData" value="${textData}">

 <div class="container">
    <#if textType?? && textType == "markdown">
@ -16,7 +17,6 @@
        </p>
        <div id="markdown" style="padding: 18px;"></div>
    <#elseif textType?? && textType == "xml" >
-        <input hidden id="xmlContent" value="${xmlContent}">
        <div id="xml" style="padding: 18px;"></div>
    <#else>
        <div id="text"></div>
@ -42,6 +42,9 @@
        $("#markdown_btn").hide()
        initWaterMark();
        fetchData();
+        loadText();
+        loadXmlData()
+        loadMarkdown();
    }

    /**
@ -73,17 +76,8 @@
     * 获取文本数据
     */
    function fetchData() {
-        $.ajax({
-            type: 'GET',
-            url: '${ordinaryUrl}',
-            success: function (data) {
-                window.textData = data;
-                window.textPreData = "<pre>" + data + "</pre>";
-                loadText();
-                loadXmlData()
-                loadMarkdown();
-            }
-        });
+        window.textData = Base64.decode($("#textData").val())
+        window.textPreData = "<pre>" + window.textData + "</pre>";
    }

    /**
@ -108,8 +102,7 @@
     */
    function loadXmlData() {
        if ($("#textType").val() === "xml") {
-            var xmlStr = Base64.decode($("#xmlContent").val());
-            var xmlNode = xmlTreeViewer.parseXML(xmlStr);
+            var xmlNode = xmlTreeViewer.parseXML(window.textData);
            var retNode = xmlTreeViewer.getXMLViewerNode(xmlNode.xml);
            $("#xml").html(retNode);
        }