can set the language when using the command

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "salvo-cli"
-version = "0.1.18"
+version = "0.1.19"
 edition = "2021"
 authors = ["Fankai Liu  [email protected]"]
 keywords = ["salvo", "cli","template"]

README.md

@@ -29,7 +29,59 @@ cargo install salvo-cli
 To create a new Salvo project, use the new command followed by the name of your project:
 
 ```bash
+//use the local language
 salvo-cli new project_name
+
+// Use English
+salvo-cli new project_name --lang=en
+
+// 使用简体中文
+salvo-cli new project_name --lang=zh
+
+// 使用繁體中文
+salvo-cli new project_name --lang=zh_TW
+
+// Utilisez le français
+salvo-cli new project_name --lang=fr
+
+// 日本語を使用する
+salvo-cli new project_name --lang=ja
+
+// Usa el español
+salvo-cli new project_name --lang=es
+
+// Verwenden Sie Deutsch
+salvo-cli new project_name --lang=de
+
+// Используйте русский
+salvo-cli new project_name --lang=ru
+
+// Usa l `italiano
+salvo-cli new project_name --lang=it
+
+// Use o português
+salvo-cli new project_name --lang=pt
+
+// 한국어를 사용하십시오
+salvo-cli new project_name --lang=ko
+
+// Bruk norsk
+salvo-cli new project_name --lang=no
+
+// Notaðu íslensku
+salvo-cli new project_name --lang=is
+
+// Використовуйте українську
+salvo-cli new project_name --lang=uk
+
+// ใช้ภาษาไทย
+salvo-cli new project_name --lang=th
+
+// Χρησιμοποιήστε την ελληνική
+salvo-cli new project_name --lang=el
+
+// Brug dansk
+salvo-cli new project_name --lang=da
 ```
 
 ## Update

src/i18n.rs

@@ -1,11 +1,25 @@
-pub fn set_locale() {
-    match get_language() {
+const SUPPORTED_LANGUAGES: [&str; 17] = [
+    "en", "zh_CN", "zh_TW", "fr", "ja", "es", "de", "ru", "it", "pt", "ko", "no", "is", "uk", "th",
+    "el", "da",
+];
+pub fn set_locale(language: &Option<String>) {
+    match language {
         Some(lang) => {
-            rust_i18n::set_locale(lang.as_str());
-        }
-        None => {
-            rust_i18n::set_locale("en");
+            let lang = if lang == "zh" { "zh_CN" } else { lang };
+            if SUPPORTED_LANGUAGES.contains(&lang) {
+                rust_i18n::set_locale(lang);
+            } else {
+                rust_i18n::set_locale("en");
+            }
         }
+        None => match get_language() {
+            Some(lang) => {
+                rust_i18n::set_locale(lang.as_str());
+            }
+            None => {
+                rust_i18n::set_locale("en");
+            }
+        },
     }
 }
 fn get_language() -> Option<String> {

src/main.rs

@@ -19,13 +19,15 @@ enum SubCommand {
 #[derive(Parser, Debug, Clone)]
 pub struct Project {
     pub project_name: String,
+    #[clap(short, long)]
+    lang: Option<String>,
 }
 fn main() -> Result<()> {
-    set_locale();
     utils::print_logo();
     let opts: Opts = Opts::parse();
     match opts.subcmd {
         SubCommand::New(project) => {
+            set_locale(&project.lang);
             match utils::create_project(project) {
                 Ok(_) => (),
                 Err(e) => utils::error(e.to_string()),