fix：1、添加项目。2、基本箭头生成

2026-06-12 18:10:00 +08:00
commit 2d5012e37e
6588 changed files with 665673 additions and 0 deletions
@@ -0,0 +1,24 @@
+namespace ChillConnect
+{
+    public static class StringExtend
+    {
+        public static double ToDouble(this string str)
+        {
+            double temp = 0d;
+            double.TryParse(str, out temp);
+            return temp;
+        }
+
+        public static float ToFloat(this string str)
+        {
+            float temp = 0;
+            float.TryParse(str, out temp);
+            return temp;
+        }
+
+        public static bool IsNullOrWhiteSpace(this string str)
+        {
+            return string.IsNullOrWhiteSpace(str);
+        }
+    }
+}