代码格式优化完毕

assets/iconfont/icon_builder.dart

@@ -20,7 +20,7 @@ class $fontName {
 
   String read = await fileCss.readAsString();
   List<String> split = read.split(".icon-");
-  split.forEach((str) {
+  for (String str in split) {
     if (str.contains("before")) {
       List<String> split = str.split(":");
       result += "static const IconData " +
@@ -29,7 +29,7 @@ class $fontName {
           split[2].replaceAll("\"\\", "0x").split("\"")[0] +
           ", fontFamily: \"$fontName\");\n";
     }
-  });
+  }
   result+="}";
   fileCss.delete();//删除css文件
 
@@ -43,7 +43,7 @@ class $fontName {
   fonts:
     - family: $fontName
       fonts:
-        - asset: """+"$resDir/iconfont.ttf";
+        - asset: $resDir/iconfont.ttf""";
 
   print("build OK:\n $config");
 }