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@ykyuen
Created Nov 19, 2018
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setup-nested-html-template-in-go-echo-web-framework-09
package main
import (
"errors"
"html/template"
"io"
"github.com/labstack/echo"
"gitlab.com/ykyuen/golang-echo-template-example/handler"
)
// Define the template registry struct
type TemplateRegistry struct {
templates map[string]*template.Template
}
// Implement e.Renderer interface
func (t *TemplateRegistry) Render(w io.Writer, name string, data interface{}, c echo.Context) error {
tmpl, ok := t.templates[name]
if !ok {
err := errors.New("Template not found -> " + name)
return err
}
return tmpl.ExecuteTemplate(w, "base.html", data)
}
func main() {
// Echo instance
e := echo.New()
// Instantiate a template registry with an array of template set
// Ref: https://gist.github.com/rand99/808e6e9702c00ce64803d94abff65678
templates := make(map[string]*template.Template)
templates["home.html"] = template.Must(template.ParseFiles("view/home.html", "view/base.html"))
templates["about.html"] = template.Must(template.ParseFiles("view/about.html", "view/base.html"))
e.Renderer = &TemplateRegistry{
templates: templates,
}
// Route => handler
e.GET("/", handler.HomeHandler)
e.GET("/about", handler.AboutHandler)
// Start the Echo server
e.Logger.Fatal(e.Start(":1323"))
}
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