增加非空判断

rwk-admin/src/main/java/com/rwk/web/controller/ability/RwkStaffInformationController.java

@@ -4,6 +4,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import com.rwk.common.utils.DateUtils;
+import com.rwk.common.utils.StringUtils;
 import com.rwk.system.domain.RwkMeeting;
 import com.rwk.system.domain.RwkMeetingStaff;
 import com.rwk.system.service.IRwkMeetingService;
@@ -197,18 +198,20 @@ public class RwkStaffInformationController extends BaseController
     //对数据换行符进行处理
     private List<List<String>> splitConversion(String string){
         List<List<String>> result = new ArrayList<>();
-        String[] lines = string.split("\r\n");
-        for (String line : lines) {
-            // 对每一行按空白字符分割，去除前后空格
-            String[] parts = line.trim().split("\\s+");
-            List<String> lineParts = new ArrayList<>();
-            for (String part : parts) {
-                if (!part.trim().isEmpty()) {
-                    lineParts.add(part.trim());
+        if (StringUtils.isNotEmpty(string)){
+            String[] lines = string.split("\r\n");
+            for (String line : lines) {
+                // 对每一行按空白字符分割，去除前后空格
+                String[] parts = line.trim().split("\\s+");
+                List<String> lineParts = new ArrayList<>();
+                for (String part : parts) {
+                    if (!part.trim().isEmpty()) {
+                        lineParts.add(part.trim());
+                    }
+                }
+                if (!lineParts.isEmpty()) {
+                    result.add(lineParts);
                 }
-            }
-            if (!lineParts.isEmpty()) {
-                result.add(lineParts);
             }
         }
         return result;