mirror of
https://github.com/kataras/iris.git
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126 lines
4.2 KiB
Go
126 lines
4.2 KiB
Go
package main
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import (
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"github.com/kataras/iris/v12"
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"github.com/kataras/iris/v12/middleware/i18n"
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)
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var i18nConfig = i18n.Config{
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Default: "en-US",
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Languages: map[string]string{
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"en-US": "./locales/locale_en-US.ini", // maps to en-US, en-us and en.
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"el-GR": "./locales/locale_el-GR.ini", // maps to el-GR, el-gr and el.
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"zh-CN": "./locales/locale_zh-CN.ini", // maps to zh-CN, zh-cn and zh.
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},
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// Optionals.
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// LanguagesMap: i18n.Map{
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// "en": "en-US", // now en maps to en-US
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// "el": "el-GR",
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// "zh": "zh-CN",
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// } or a custom i18n.MapFunc, defaults to accept all lowercase and [en] as [en-US] and e.t.c.
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URLParameter: "lang",
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Subdomain: true,
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// Cookie: "lang",
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// SetCookie: false,
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// Indentifier: func(ctx iris.Context) string { return "zh-CN" },
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}
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func newApp() *iris.Application {
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app := iris.New()
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i18nMiddleware := i18n.NewI18n(i18nConfig)
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app.Use(i18nMiddleware.Handler())
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// See https://github.com/kataras/iris/issues/1369
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// if you want to enable this (SEO) feature (OPTIONAL).
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app.WrapRouter(i18nMiddleware.Wrapper())
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app.Get("/", func(ctx iris.Context) {
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// Ir tries to find the language by:
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// ctx.Values().GetString("language")
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// if that was empty then
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// it tries to find from the URLParameter set on the configuration
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// if not found then
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// it tries to find the language by the "language" cookie
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// if didn't found then it it set to the Default set on the configuration
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// hi is the key/word, 'iris' is the %s on the .ini file
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// the second parameter is optional
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hi := ctx.Translate("hi", "iris")
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// GetTranslateLanguageContextKey() == "language"
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language := ctx.Values().GetString(ctx.Application().ConfigurationReadOnly().GetTranslateLanguageContextKey())
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// return is form of 'en-US'
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// The first succeed language found saved at the cookie with name ("language"),
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// you can change that by changing the value of the: iris.TranslateLanguageContextKey
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ctx.Writef("From the language %s translated output: %s", language, hi)
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})
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app.Get("/some-path", func(ctx iris.Context) {
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ctx.Writef("%s", ctx.Translate("hi", "iris"))
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})
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app.Get("/sitemap.xml", func(ctx iris.Context) {
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ctx.WriteString("sitemap")
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})
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// Note: It is highly recommended to use one and no more i18n middleware instances at a time,
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// the first one was already passed by `app.Use` above.
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// This middleware which registers on "/multi" route is here just for the shake of the example.
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multiLocale := i18n.New(i18n.Config{
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Default: "en-US",
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URLParameter: "lang",
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Languages: map[string]string{
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"en-US": "./locales/locale_multi_first_en-US.ini, ./locales/locale_multi_second_en-US.ini",
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"el-GR": "./locales/locale_multi_first_el-GR.ini, ./locales/locale_multi_second_el-GR.ini",
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},
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})
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app.Get("/multi", multiLocale, func(ctx iris.Context) {
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language := ctx.Values().GetString(ctx.Application().ConfigurationReadOnly().GetTranslateLanguageContextKey())
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fromFirstFileValue := ctx.Translate("key1")
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fromSecondFileValue := ctx.Translate("key2")
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ctx.Writef("From the language: %s, translated output:\n%s=%s\n%s=%s",
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language, "key1", fromFirstFileValue,
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"key2", fromSecondFileValue)
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})
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// using in inside your templates:
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view := iris.HTML("./templates", ".html")
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app.RegisterView(view)
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app.Get("/templates", func(ctx iris.Context) {
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ctx.View("index.html", iris.Map{
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"tr": ctx.Translate, // word, arguments...
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"trLang": ctx.TranslateLang, // locale, word, arguments...
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})
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// it will return "hello, iris"
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// when {{call .tr "hi" "iris"}}
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})
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//
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return app
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}
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func main() {
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app := newApp()
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// go to http://localhost:8080/el-gr/some-path (by path prefix)
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// or http://el.mydomain.com8080/some-path (by subdomain - test locally with the hosts file)
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// or http://localhost:8080/zh-CN/templates (by path prefix with uppercase)
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// or http://localhost:8080/some-path?lang=el-GR (by url parameter)
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// or http://localhost:8080 (default is en-US)
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// or http://localhost:8080/?lang=zh-CN
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//
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// go to http://localhost:8080/multi?lang=el-GR
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// or http://localhost:8080/multi (default is en-US)
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// or http://localhost:8080/multi?lang=en-US
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//
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// or use cookies to set the language.
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//
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app.Run(iris.Addr(":8080"))
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}
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