Merging other languages
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James Miranda
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en/14.5.md
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en/14.5.md
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# 14.5 多语言支持
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我们在第十章介绍过国际化和本地化，开发了一个go-i18n库，这小节我们将把该库集成到beego框架里面来，使得我们的框架支持国际化和本地化。
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## i18n集成
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beego中设置全局变量如下：
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Translation i18n.IL
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Lang string //设置语言包，zh、en
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LangPath string //设置语言包所在位置
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初始化多语言函数:
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func InitLang(){
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beego.Translation:=i18n.NewLocale()
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beego.Translation.LoadPath(beego.LangPath)
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beego.Translation.SetLocale(beego.Lang)
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}
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为了方便在模板中直接调用多语言包，我们设计了三个函数来处理响应的多语言：
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beegoTplFuncMap["Trans"] = i18n.I18nT
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beegoTplFuncMap["TransDate"] = i18n.I18nTimeDate
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beegoTplFuncMap["TransMoney"] = i18n.I18nMoney
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func I18nT(args ...interface{}) string {
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ok := false
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var s string
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if len(args) == 1 {
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s, ok = args[0].(string)
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}
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if !ok {
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s = fmt.Sprint(args...)
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}
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return beego.Translation.Translate(s)
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}
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func I18nTimeDate(args ...interface{}) string {
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ok := false
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var s string
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if len(args) == 1 {
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s, ok = args[0].(string)
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}
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if !ok {
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s = fmt.Sprint(args...)
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}
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return beego.Translation.Time(s)
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}
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func I18nMoney(args ...interface{}) string {
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ok := false
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var s string
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if len(args) == 1 {
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s, ok = args[0].(string)
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}
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if !ok {
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s = fmt.Sprint(args...)
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}
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return beego.Translation.Money(s)
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}
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## 多语言开发使用
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1. 设置语言以及语言包所在位置，然后初始化i18n对象：
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beego.Lang = "zh"
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beego.LangPath = "views/lang"
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beego.InitLang()
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2. 设计多语言包
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上面讲了如何初始化多语言包，现在设计多语言包，多语言包是json文件，如第十章介绍的一样，我们需要把设计的文件放在LangPath下面，例如zh.json或者en.json
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# zh.json
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{
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"zh": {
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"submit": "提交",
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"create": "创建"
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}
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}
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#en.json
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{
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"en": {
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"submit": "Submit",
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"create": "Create"
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}
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}
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3. 使用语言包
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我们可以在controller中调用翻译获取响应的翻译语言，如下所示：
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func (this *MainController) Get() {
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this.Data["create"] = beego.Translation.Translate("create")
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this.TplNames = "index.tpl"
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}
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我们也可以在模板中直接调用响应的翻译函数：
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//直接文本翻译
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{{.create | Trans}}
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//时间翻译
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{{.time | TransDate}}
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//货币翻译
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{{.money | TransMoney}}
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## links
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* [目录](<preface.md>)
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* 上一节: [用户认证](<14.4.md>)
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* 下一节: [pprof支持](<14.6.md>)
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# 14.5 Multi-language support
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We introduced in Chapter internationalization and localization, we developed a go-i18n library, the library this section we will integrate beego frame inside, making our framework supports internationalization and localization.
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## I18n integration
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beego global variable is set as follows:
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Translation i18n.IL
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Lang string // set the language pack, zh, en
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LangPath string // set the language pack location
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Multi-language function to initialize:
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func InitLang(){
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beego.Translation:=i18n.NewLocale()
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beego.Translation.LoadPath(beego.LangPath)
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beego.Translation.SetLocale(beego.Lang)
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}
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In order to facilitate more direct call in the template language pack, we have designed three functions to handle the response of multiple languages:
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beegoTplFuncMap["Trans"] = i18n.I18nT
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beegoTplFuncMap["TransDate"] = i18n.I18nTimeDate
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beegoTplFuncMap["TransMoney"] = i18n.I18nMoney
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func I18nT(args ...interface{}) string {
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ok := false
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var s string
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if len(args) == 1 {
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s, ok = args[0].(string)
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}
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if !ok {
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s = fmt.Sprint(args...)
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}
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return beego.Translation.Translate(s)
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}
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func I18nTimeDate(args ...interface{}) string {
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ok := false
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var s string
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if len(args) == 1 {
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s, ok = args[0].(string)
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}
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if !ok {
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s = fmt.Sprint(args...)
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}
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return beego.Translation.Time(s)
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}
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func I18nMoney(args ...interface{}) string {
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ok := false
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var s string
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if len(args) == 1 {
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s, ok = args[0].(string)
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}
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if !ok {
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s = fmt.Sprint(args...)
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}
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return beego.Translation.Money(s)
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}
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## Use multi-language development
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1. Set the location of language and language packs, then initialize the i18n objects:
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beego.Lang = "zh"
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beego.LangPath = "views/lang"
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beego.InitLang()
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2. Design Multi-language Pack
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The above talked about how to initialize multi language pack, the language pack is now designing multi, multi-language package is json file, as described in Chapter X, we need to design a document on LangPath following example zh.json or en.json
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# zh.json
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{
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"zh": {
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"submit": "提交",
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"create": "创建"
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}
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}
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#en.json
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{
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"en": {
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"submit": "Submit",
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"create": "Create"
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}
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}
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3. Use the Language Pack
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We can call the controller to get the response of the translation language translation, as follows:
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func (this *MainController) Get() {
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this.Data["create"] = beego.Translation.Translate("create")
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this.TplNames = "index.tpl"
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}
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We can also directly call response in the template translation function:
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// Direct Text translation
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{{.create | Trans}}
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// Time to translate
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{{.time | TransDate}}
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// Currency translation
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{{.money | TransMoney}}
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## Links
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- [Directory](preface.md)
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- Previous section: [User validation](14.4.md)
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- Next section: [pprof](14.6.md)
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