yjl

.vscode/launch.json

+{
+    // 使用 IntelliSense 了解相关属性。 
+    // 悬停以查看现有属性的描述。
+    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Flutter",
+            "request": "launch",
+            "type": "dart"
+        }
+    ]
+}
\ No newline at end of file

lib/yangjunlei/yangjunlei.dart

@@ -12,7 +12,7 @@ class yangjunlei extends StatelessWidget{
           '杨俊磊',
           textAlign: TextAlign.center,
           style: TextStyle(
-              color: Colors.white,
+              color: Colors.red,
               fontSize: 30,
               decoration:TextDecoration.lineThrough,
               decorationStyle: TextDecorationStyle.double
@@ -22,7 +22,7 @@ class yangjunlei extends StatelessWidget{
         height: 300,
         alignment: Alignment.center,// 让内部居中显示
         decoration: BoxDecoration(
-          color: Colors.red,
+          color: Colors.black,
         ),
       ),
     );