goCli 完成90%

go-cli/src/cli_command_runder.dart

@@ -0,0 +1,33 @@
+import 'dart:async';
+
+import 'package:args/args.dart';
+import 'package:args/command_runner.dart';
+import './version.dart';
+import './command/create_demo.dart';
+import './command/create_page.dart';
+import './command/watch_md.dart';
+
+
+
+Future<int> run(List<String> args) => _CommandRunner().run(args);
+
+class _CommandRunner extends CommandRunner<int> {
+  _CommandRunner() : super('goCli', 'A tool to develop flutter go projects.') {
+    argParser.addFlag('version',
+        negatable: false, help: 'Prints the version of goCi.');
+    addCommand(CreateDemoCommand());
+    addCommand(CreatePageCommand());
+    addCommand(WatchCommand());
+
+  }
+
+  @override
+  Future<int> runCommand(ArgResults topLevelResults) async {
+    if (topLevelResults['version'] as bool) {
+      return 0;
+    }
+
+    // In the case of `help`, `null` is returned. Treat that as success.
+    return await super.runCommand(topLevelResults) ?? 0;
+  }
+}