i18n
package main
import (
"log"
"strconv"
"github.com/BurntSushi/toml"
"github.com/gofiber/fiber/v2"
"github.com/gofiber/template/html"
"github.com/nicksnyder/go-i18n/v2/i18n"
"golang.org/x/text/language"
)
func main() {
// 使用默认语言（英语）创建新的语言包。
bundle := i18n.NewBundle(language.English)
// 注册toml unmarshal函数。
bundle.RegisterUnmarshalFunc("toml", toml.Unmarshal)
// 加载其他语言的翻译。
// 由于我们提供了默认的翻译，因此不需要加载active.en.toml。
bundle.MustLoadMessageFile("./lang/active.es.toml")
bundle.MustLoadMessageFile("./lang/active.ru.toml")
bundle.MustLoadMessageFile("./lang/active.zh.toml")
// 通过使用<engine>.new（dir，ext string）传递模板文件夹和模板扩展来创建新引擎
engine := html.New("./templates", ".html")
// 在每次渲染时重新加载模板，有利于开发
engine.Reload(true) // Optional. Default: false
// 创建引擎后，可以将其传递给Fiber的视图引擎
app := fiber.New(fiber.Config{
Views: engine,
})
// 渲染模板.
app.Get("/", func(c *fiber.Ctx) error {
lang := c.Query("lang") // 从查询中分析语言
accept := c.Get("Accept-Language") // 或者，从头解析语言
// 创建新的定位器
localizer := i18n.NewLocalizer(bundle, lang, accept)
// 设置默认用户名（示例）
name := c.Query("name")
if name == "" {
name = "Bob"
}
// 设置标题消息.
helloPerson := localizer.MustLocalize(&i18n.LocalizeConfig{
DefaultMessage: &i18n.Message{
ID: "HelloPerson",
Other: "Hello {{.Name}}",
},
TemplateData: map[string]string{
"Name": name,
},
})
// 分析并设置未读邮件数
unreadEmailCount, _ := strconv.ParseInt(c.Query("unread"), 10, 64)
myUnreadEmails := localizer.MustLocalize(&i18n.LocalizeConfig{
DefaultMessage: &i18n.Message{
ID: "MyUnreadEmails",
Description: "The number of unread emails I have",
One: "I have {{.PluralCount}} unread email.",
Other: "I have {{.PluralCount}} unread emails.",
},
PluralCount: unreadEmailCount,
})
personUnreadEmails := localizer.MustLocalize(&i18n.LocalizeConfig{
DefaultMessage: &i18n.Message{
ID: "PersonUnreadEmails",
Description: "The number of unread emails a person has",
One: "{{.Name}} has {{.UnreadEmailCount}} unread email.",
Other: "{{.Name}} has {{.UnreadEmailCount}} unread emails.",
},
PluralCount: unreadEmailCount,
TemplateData: map[string]interface{}{
"Name": name,
"UnreadEmailCount": unreadEmailCount,
},
})
// 返回呈现模板.
return c.Render("index", fiber.Map{
"Title": helloPerson,
"Paragraphs": []string{
myUnreadEmails,
personUnreadEmails,
},
})
})
log.Fatal(app.Listen(":3000"))
}
文件上传
package main
import (
"fmt"
"log"
"github.com/gofiber/fiber/v2"
)
func main() {
app := fiber.New()
app.Post("/", func(c *fiber.Ctx) error {
// 从表单字段“document”获取第一个文件:
file, err := c.FormFile("document")
if err != nil {
return err
}
return c.SaveFile(file, fmt.Sprintf("./%s", file.Filename))
})
log.Fatal(app.Listen(":3000"))
}
package main
import (
"fmt"
"log"
"github.com/gofiber/fiber/v2"
)
func main() {
app := fiber.New()
app.Post("/", func(c *fiber.Ctx) error {
// 解析多部分表单:
form, err := c.MultipartForm()
if err != nil {
return err
}
// => *multipart.Form
// 从“documents”键获取所有文件
files := form.File["documents"]
// => []*multipart.FileHeader
// 循环浏览文件 :
for _, file := range files {
fmt.Println(file.Filename, file.Size, file.Header["Content-Type"][0])
// => "tutorial.pdf" 360641 "application/pdf"
err := c.SaveFile(file, fmt.Sprintf("./%s", file.Filename))
if err != nil {
return err
}
}
return nil
})
log.Fatal(app.Listen(":3000"))
}
websocket
package main
import (
"fmt"
"log"
"github.com/gofiber/fiber/v2"
"github.com/gofiber/websocket/v2"
)
func main() {
app := fiber.New()
// Optional middleware
app.Use("/ws", func(c *fiber.Ctx) error {
if c.Get("host") == "localhost:3000" {
c.Locals("Host", "Localhost:3000")
return c.Next()
}
return c.Status(403).SendString("Request origin not allowed")
})
// Upgraded websocket request
app.Get("/ws", websocket.New(func(c *websocket.Conn) {
fmt.Println(c.Locals("Host")) // "Localhost:3000"
for {
mt, msg, err := c.ReadMessage()
if err != nil {
log.Println("read:", err)
break
}
log.Printf("recv: %s", msg)
err = c.WriteMessage(mt, msg)
if err != nil {
log.Println("write:", err)
break
}
}
}))
// ws://localhost:3000/ws
log.Fatal(app.Listen(":3000"))
}
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