+ add custom render test(TODO)

+ add custom render in readme.md
2025-10-15 21:06:39 +08:00 · 2015-11-09 00:41:31 +08:00 · 2015-11-09 00:41:31 +08:00 · 4c20e9de09
commit 4c20e9de09
parent 36dce1a73f
2 changed files with 84 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -459,6 +459,86 @@ func main() {
 ```


+#### Custom rendering
+
+Custom your template engine use SetCustomRenderFunc()
+
+```go
+package main
+
+import (
+	"github.com/flosch/pongo2"
+	"github.com/gin-gonic/gin"
+	"net/http"
+	"errors"
+)
+
+func CustomRenderFunc(w http.ResponseWriter, name string, obj interface{}) error {
+	var err error
+	tpl, err := pongo2.FromFile(name)
+	if err != nil {
+		return err
+	}
+
+	if obj == nil {
+		err = tpl.ExecuteWriter(nil, w)
+	} else {
+
+		if data,ok := obj.(gin.H); ok {
+			err = tpl.ExecuteWriter(pongo2.Context(data), w)
+		} else if data,ok := obj.(pongo2.Context); ok {
+			err = tpl.ExecuteWriter(data, w)
+		} else {
+			return errors.New("invalid obj type")
+		}
+	}
+
+	return err
+}
+
+func main() {
+	router := gin.Default()
+
+	pongo2.DefaultLoader.SetBaseDir("templates")
+	router.SetCustomRenderFunc(CustomRenderFunc)
+
+	router.GET("/", func(c *gin.Context) {
+		c.CustomRender(200, "index.html", nil)
+	})
+
+	router.GET("/msg1", func(c *gin.Context) {
+		c.CustomRender(200, "message.html", pongo2.Context{
+			"message": c.Query("name"),
+		})
+	})
+
+	router.GET("/msg2", func(c *gin.Context) {
+		c.CustomRender(200, "message.html", gin.H{
+			"message": c.Query("name"),
+		})
+	})
+
+	router.Run("[::]:8888")
+}
+```
+
+templates/index.html
+```html
+<html><h1>
+    hi
+</h1>
+</html>
+```
+
+templates/message.html
+```html
+<html><h1>
+	hi {{ message }}
+</h1>
+</html>
+```
+
+
 #### Redirects

 Issuing a HTTP redirect is easy:
--- a/render/render_test.go
+++ b/render/render_test.go
@ -128,3 +128,7 @@ func TestRenderHTMLTemplate(t *testing.T) {
 	assert.Equal(t, w.Body.String(), "Hello alexandernyquist")
 	assert.Equal(t, w.Header().Get("Content-Type"), "text/html; charset=utf-8")
 }
+
+func TestRenderCustom(t *testing.T) {
+	// TODO
+}