binds the param string to a struct use params tag (gofiber#1968)

* add: params parse

* fix: binds the param string to a struct use params tag

Author: olongfen

ctx.go

@@ -39,7 +39,7 @@ const (
 	queryTag     = "query"
 	reqHeaderTag = "reqHeader"
 	bodyTag      = "form"
-	uriTag       = "uri"
+	paramsTag    = "params"
 )
 
 // userContextKey define the key name for storing context.Context in *fasthttp.RequestCtx
@@ -861,7 +861,7 @@ func (c *Ctx) ParamsParser(out interface{}) error {
 	for _, param := range c.route.Params {
 		params[param] = append(params[param], c.Params(param))
 	}
-	return c.parseToStruct(uriTag, out, params)
+	return c.parseToStruct(paramsTag, out, params)
 }
 
 // ParamsInt is used to get an integer from the route parameters

ctx_test.go

@@ -431,8 +431,8 @@ func Test_Ctx_ParamParser(t *testing.T) {
 	app := New()
 	app.Get("/test1/userId/role/:roleId", func(ctx *Ctx) error {
 		type Demo struct {
-			UserID uint `uri:"userId"`
-			RoleID uint `uri:"roleId"`
+			UserID uint `params:"userId"`
+			RoleID uint `params:"roleId"`
 		}
 		var (
 			d = new(Demo)
@@ -1470,10 +1470,10 @@ func Benchmark_Ctx_ParamsParse(b *testing.B) {
 		"john", "doe", "is", "awesome",
 	}
 	var res struct {
-		Param1 string `uri:"param1"`
-		Param2 string `uri:"param2"`
-		Param3 string `uri:"param3"`
-		Param4 string `uri:"param4"`
+		Param1 string `params:"param1"`
+		Param2 string `params:"param2"`
+		Param3 string `params:"param3"`
+		Param4 string `params:"param4"`
 	}
 	b.ReportAllocs()
 	b.ResetTimer()