Golang模板渲染教程与代码示例

Hello, {{.Name}}! You are {{.Age}} years old.

type Person struct {
    Name string
    Age  int
}
data := Person{Name: "Alice", Age: 25}

{{if .LoggedIn}}
Welcome back, {{.UserName}}!
{{else}}
Please log in.
{{end}}

{{range .Items}}
• {{.}}
{{end}}

func formatEmail(email string) string {
    return "" + email + ""
}
funcMap := template.FuncMap{
"mail": formatEmail,
}
t := template.New("example").Funcs(funcMap)
t, _ = t.Parse("Contact: {{mail .Email}}")

package main
import (
"os"
"text/template"
)
type User struct {
Name  string
Admin bool
Posts []string
}
func main() {
const tmpl = `
Hello {{.Name}},
You are {{if .Admin}}an admin{{else}}a regular user{{end}}.
Your posts:
{{range .Posts}}- {{.}}
{{end}}
`
user := User{
    Name:  "Bob",
    Admin: true,
    Posts: []string{"First post", "Go templates"},
}

t := template.Must(template.New("user").Parse(tmpl))
t.Execute(os.Stdout, user)
}

Hello Bob,
You are an admin.
Your posts:

• First post
• Go templates