修复导出功能的异常

src/main/java/com/skyversation/xjcy/controller/DataExportController.java

@@ -30,10 +30,13 @@ public class DataExportController {
             @RequestParam(required = false) String construction_method,
             @RequestParam(required = false) String timeRange ,
             HttpServletRequest request, HttpServletResponse response) {
+        String[] timeStr =new String[]{null,null};
         try {
-            String[] timeStr = timeRange.split(",");
-            if (timeStr.length != 2) {
-                return MessageManage.getInstance().getResultContent(-1,"timeRange不可用","timeRange不可用");
+            if (c_clue_name != null) {
+                timeStr = timeRange.split(",");
+                if (timeStr.length != 2) {
+                    return MessageManage.getInstance().getResultContent(-1,"timeRange不可用","timeRange不可用");
+                }
             }
             List<Map<String, Object>> data = dataExportService.exportClue(c_clue_name,c_enterprise_name,construction_method,timeStr[0],timeStr[1]);
             FileUtil.exportExcelWithPreDefinedHeader(