Merge pull request #426 in CORE/base-third from ~BRUCE.DENG/base-third:bugfix/10.0 to bugfix/10.0

* commit '470ca7784dc80df5a2d23769ca8c0922ab1f001a':
  REPORT-29182 & REPORT-29600 weblogic部署导出excel报错

fine-poi/src/com/fr/third/v2/org/apache/poi/util/TempFile.java

@@ -93,7 +93,8 @@ public final class TempFile {
         @Override
         public File createTempFile(String prefix, String suffix) throws IOException {
             // Identify and create our temp dir, if needed
-            if (dir == null)
+            // 这里判断下路径是否存在，省的再排查temp目录丢失的问题
+            if (dir == null || !dir.exists())
             {
                 dir = new File(System.getProperty("java.io.tmpdir"), "poifiles");
                 dir.mkdir();