Merge pull request #95 from chenhengjie123/fix_20210705_fixExportNull…

…PointException

fix: 修复导出xmind时，没有 text 属性时会引起空指针问题。以及转码 xml 改为用工具库，避免未考虑周全遗漏转码

case-server/src/main/java/com/xiaoju/framework/util/TreeUtil.java

@@ -6,6 +6,8 @@
 import com.xiaoju.framework.constants.enums.ProgressEnum;
 import com.xiaoju.framework.entity.xmind.*;
 import org.apache.commons.collections4.CollectionUtils;
+import org.apache.commons.lang3.StringEscapeUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.dom4j.Element;
 
 
@@ -281,7 +283,11 @@ public static void exportDataToXml(JSONArray children, Element rootTopic) {
                     .addAttribute("timestamp",dataObj.getString("created"));
             Element title = topic.addElement("title");
             String text = dataObj.getString("text");
-            text = repalceSpecialChar(text);
+            if (StringUtils.isNotEmpty(text)) {
+                text = StringEscapeUtils.escapeXml11(text);
+            } else {
+                text = "";
+            }
             title.setText(text);
 
             String priority = getPriorityByJson(dataObj);
@@ -296,20 +302,6 @@ public static void exportDataToXml(JSONArray children, Element rootTopic) {
         }
     }
 
-    public static String repalceSpecialChar(String text)
-    {
-        Map<String,String> specialChars = new HashMap<>();
-        specialChars.put("<","&lt;");
-        specialChars.put(">","&gt;");
-        specialChars.put("&","&amp;");
-        for(Map.Entry<String,String> entry:specialChars.entrySet())
-        {
-            String key = entry.getKey();
-            text = text.replace(key,entry.getValue());
-        }
-        return  text;
-    }
-
     //根据xmind解压的json文件导入xmind内容
     public static void importDataByJson(JSONArray children, JSONObject rootTopic) {
         JSONObject rootObj = new JSONObject();