update: hide Param, add SetParam(can't cover value)

app.go

@@ -165,8 +165,9 @@ func (a *App) handleHTTPRequest(c *Ctx) {
 		// Find route in tree
 		value := root.getValue(rPath, c.params, c.skippedNodes, unescape)
 		if value.params != nil {
-			c.Params = *value.params
+			c.params = value.params
 		}
+
 		if value.handlers != nil {
 			c.handlers = value.handlers
 			c.fullPath = value.fullPath

ctx.go

@@ -29,7 +29,7 @@ type Ctx struct {
 	locals       map[string]interface{}
 	skippedNodes *[]skippedNode
 	fullPath     string
-	Params       Params
+	//Params       Params
 }
 
 func newContext(app *App, writer http.ResponseWriter, request *http.Request) *Ctx {
@@ -144,7 +144,12 @@ func (c *Ctx) verify() error {
 }
 
 func (c *Ctx) Param(key string) string {
-	return c.Params.ByName(key)
+	return c.params.ByName(key)
+}
+
+func (c *Ctx) SetParam(key, value string) {
+	params := append(*c.params, Param{Key: key, Value: value})
+	c.params = &params
 }
 
 func (c *Ctx) Form(key string) string {

xtest/basic/main.go

@@ -13,8 +13,15 @@ func main() {
 	})
 
 	api := app.Group("/api")
-	api.Get("/1", func(c *nf.Ctx) error {
-		return c.SendString("nice")
+	api.Use(func(c *nf.Ctx) error {
+		c.SetParam("age", "18")
+		return c.Next()
+	})
+
+	api.Get("/:name", func(c *nf.Ctx) error {
+		name := c.Param("name")
+		age := c.Param("age")
+		return c.SendString(name + "@" + age)
 	})
 
 	log.Fatal(app.Run(":80"))