From 9e1cba4ebb61f9ae7b0b2d785b5473725beaef4a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=A0=81=E5=86=9C=E9=98=BF=E6=A5=A0?=
 <zhangyuge946@163.com>
Date: Thu, 16 Oct 2025 02:02:40 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E6=A0=87=E7=82=B9=E6=97=B6?=
 =?UTF-8?q?=E5=8E=BB=E9=99=A4=E9=A6=96=E4=BD=8D=E7=A9=BA=E6=A0=BC?=
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---
 src/main/java/org/example/ImageDotMarker.java | 30 +++++++++++++++----
 1 file changed, 25 insertions(+), 5 deletions(-)

diff --git a/src/main/java/org/example/ImageDotMarker.java b/src/main/java/org/example/ImageDotMarker.java
index 3a9d63a..bd9a159 100644
--- a/src/main/java/org/example/ImageDotMarker.java
+++ b/src/main/java/org/example/ImageDotMarker.java
@@ -443,7 +443,16 @@ public class ImageDotMarker extends JFrame {
     private void addNewPoint(Point imgPoint) {
         // 提示用户输入点名称
         String name = JOptionPane.showInputDialog(this, "请输入标记点名称:", "添加标记点", JOptionPane.PLAIN_MESSAGE);
-        if (name == null || name.isEmpty()) return; // 用户取消
+        if (name == null) return; // 用户取消
+        
+        // 去除空格
+        name = name.trim();
+        
+        // 检查去除空格后是否为空
+        if (name.isEmpty()) {
+            JOptionPane.showMessageDialog(this, "标记点名称不能为空！", "输入错误", JOptionPane.ERROR_MESSAGE);
+            return;
+        }
 
         MarkPoint point = new MarkPoint(imgPoint.x, imgPoint.y, name);
         points.add(point);
@@ -466,10 +475,21 @@ public class ImageDotMarker extends JFrame {
 
     private void editPointName(MarkPoint point) {
         String newName = JOptionPane.showInputDialog(this, "修改标记点名称:", point.name);
-        if (newName != null && !newName.equals(point.name)) {
-            point.name = newName;
-            updateImageDisplay();
-            updatePointList();
+        if (newName != null) {
+            // 去除空格
+            newName = newName.trim();
+            
+            // 检查去除空格后是否为空
+            if (newName.isEmpty()) {
+                JOptionPane.showMessageDialog(this, "标记点名称不能为空！", "输入错误", JOptionPane.ERROR_MESSAGE);
+                return;
+            }
+            
+            if (!newName.equals(point.name)) {
+                point.name = newName;
+                updateImageDisplay();
+                updatePointList();
+            }
         }
     }