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插件库/Lskj.PubBill/FrmAdd.cs

@@ -74,4 +74,39 @@ namespace Lskj.PubBill
         }
 
 
-        bool Is
+        bool IsDigitsOnly(string input)
+        {
+            foreach (char c in input)
+            {
+                if (!char.IsDigit(c))
+                    return false;
+            }
+            return true;
+        }
+
+        private void txtEdit_KeyDown(object sender, KeyEventArgs e)
+        {
+            if (e.KeyCode == Keys.Enter) 
+            {
+                string text = this.txtEdit.Text;
+
+                if (string.IsNullOrWhiteSpace(text)) return;
+
+                if (!this.IsDigitsOnly(text))
+                {
+                    MessageUtil.Show("请输入数字");
+                }
+                if (int.Parse(text) > 0)
+                {
+                    this.Quantity = int.Parse(text);
+                    this.Close();
+                    this.DialogResult = System.Windows.Forms.DialogResult.OK;
+                }
+                else
+                {
+                    MessageUtil.Show("请检查输入数量");
+                }
+            }
+        }
+    }
+}