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https://github.com/kataras/iris.git
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a491cdf7ef
updated example: https://github.com/kataras/iris/blob/master/_examples/i18n/main.go#L28-L50
118 lines
3.5 KiB
Go
118 lines
3.5 KiB
Go
package main
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import (
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"fmt"
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"github.com/kataras/iris/v12"
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)
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func newApp() *iris.Application {
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app := iris.New()
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// Configure i18n.
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//
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// app.I18n.Subdomain = false to disable resolve lang code from subdomain.
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// app.I18n.LoadAssets for go-bindata.
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// Default values:
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// app.I18n.URLParameter = "lang"
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// app.I18n.Subdomain = true
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//
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// Set to false to disallow path (local) redirects,
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// see https://github.com/kataras/iris/issues/1369.
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// app.I18n.PathRedirect = true
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//
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// See `app.I18n.ExtractFunc = func(ctx iris.Context) string` or
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// `ctx.SetLanguage(langCode string)` to change the extracted language from a request.
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//
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// Use DefaultMessageFunc to customize the return value of a not found key or lang.
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// All language inputs fallback to the default locale if not matched.
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// This is why this one accepts both input and matched languages,
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// so the caller can be more expressful knowing those.
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// Defaults to nil.
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app.I18n.DefaultMessageFunc = func(langInput, langMatched, key string, args ...interface{}) string {
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msg := fmt.Sprintf("user language input: %s: matched as: %s: not found key: %s: args: %v", langInput, langMatched, key, args)
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app.Logger().Warn(msg)
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return msg
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}
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// Load i18n when customizations are set in place.
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//
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// First parameter: Glob filpath patern,
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// Second variadic parameter: Optional language tags, the first one is the default/fallback one.
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err := app.I18n.Load("./locales/*/*.ini", "en-US", "el-GR", "zh-CN")
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if err != nil {
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panic(err)
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}
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app.Get("/not-matched", func(ctx iris.Context) {
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text := ctx.Tr("not_found_key", "some", "values", 42)
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ctx.WriteString(text)
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// user language input: en-gb: matched as: en-US: not found key: not_found_key: args: [some values 42]
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})
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app.Get("/", func(ctx iris.Context) {
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hi := ctx.Tr("hi", "iris")
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locale := ctx.GetLocale()
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ctx.Writef("From the language %s translated output: %s", locale.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.Tr("hi", "iris"))
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})
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app.Get("/other", func(ctx iris.Context) {
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language := ctx.GetLocale().Language()
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fromFirstFileValue := ctx.Tr("key1")
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fromSecondFileValue := ctx.Tr("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 views:
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view := iris.HTML("./views", ".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.Tr, // word, arguments... {call .tr "hi" "iris"}}
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})
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// Note that,
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// Iris automatically adds a "tr" global template function as well,
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// the only difference is the way you call it inside your templates and
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// that it accepts a language code as its first argument: {{ tr "el-GR" "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
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// ^ (by path prefix)
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//
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// or http://el.mydomain.com8080/some-path
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// ^ (by subdomain - test locally with the hosts file)
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//
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// or http://localhost:8080/zh-CN/templates
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// ^ (by path prefix with uppercase)
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//
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// or http://localhost:8080/some-path?lang=el-GR
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// ^ (by url parameter)
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//
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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/other?lang=el-GR
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// or http://localhost:8080/other (default is en-US)
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// or http://localhost:8080/other?lang=en-US
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//
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// or use cookies to set the language.
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app.Listen(":8080", iris.WithSitemap("http://localhost:8080"))
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}
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