[teamai] Push 87 resource(s) from XingfenD

2026-09-10 16:10:45 +08:00
parent 425c9c078a
commit 65c04def51
1314 changed files with 211681 additions and 0 deletions
@@ -0,0 +1,41 @@
+package main
+
+import (
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+func flagExamples() {
+	// === Persistent vs Local ===
+
+	// Persistent — inherited by all subcommands
+	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file path")
+
+	// Local — only for this command
+	serveCmd.Flags().IntP("port", "p", 8080, "port to listen on")
+
+	// === Required Flags ===
+
+	serveCmd.Flags().String("host", "", "hostname to bind to")
+	serveCmd.MarkFlagRequired("host")
+
+	// Mutually exclusive flags
+	rootCmd.MarkFlagsMutuallyExclusive("json", "yaml")
+
+	// At least one required
+	rootCmd.MarkFlagsOneRequired("output-file", "stdout")
+
+	// === Flag Validation with RegisterFlagCompletionFunc ===
+
+	serveCmd.Flags().String("env", "dev", "environment (dev, staging, prod)")
+	serveCmd.RegisterFlagCompletionFunc("env", func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+		return []string{"dev", "staging", "prod"}, cobra.ShellCompDirectiveNoFileComp
+	})
+
+	// === Always Bind Flags to Viper ===
+	// This ensures viper.GetInt("port") returns the flag value, env var MYAPP_PORT,
+	// or config file value — whichever has highest precedence.
+
+	serveCmd.Flags().IntP("port", "p", 8080, "port to listen on")
+	viper.BindPFlag("port", serveCmd.Flags().Lookup("port"))
+}