Add BindUri (#1694)

* add BindUri

* fix bug

* fix code style

githubapi_test.go

@@ -290,8 +290,8 @@ func TestShouldBindUri(t *testing.T) {
 	router := Default()
 
 	type Person struct {
-		Name string `uri:"name"`
-		Id   string `uri:"id"`
+		Name string `uri:"name" binding:"required"`
+		Id   string `uri:"id" binding:"required"`
 	}
 	router.Handle("GET", "/rest/:name/:id", func(c *Context) {
 		var person Person
@@ -304,6 +304,46 @@ func TestShouldBindUri(t *testing.T) {
 	path, _ := exampleFromPath("/rest/:name/:id")
 	w := performRequest(router, "GET", path)
 	assert.Equal(t, "ShouldBindUri test OK", w.Body.String())
+	assert.Equal(t, http.StatusOK, w.Code)
+}
+
+func TestBindUri(t *testing.T) {
+	DefaultWriter = os.Stdout
+	router := Default()
+
+	type Person struct {
+		Name string `uri:"name" binding:"required"`
+		Id   string `uri:"id" binding:"required"`
+	}
+	router.Handle("GET", "/rest/:name/:id", func(c *Context) {
+		var person Person
+		assert.NoError(t, c.BindUri(&person))
+		assert.True(t, "" != person.Name)
+		assert.True(t, "" != person.Id)
+		c.String(http.StatusOK, "BindUri test OK")
+	})
+
+	path, _ := exampleFromPath("/rest/:name/:id")
+	w := performRequest(router, "GET", path)
+	assert.Equal(t, "BindUri test OK", w.Body.String())
+	assert.Equal(t, http.StatusOK, w.Code)
+}
+
+func TestBindUriError(t *testing.T) {
+	DefaultWriter = os.Stdout
+	router := Default()
+
+	type Member struct {
+		Number string `uri:"num" binding:"required,uuid"`
+	}
+	router.Handle("GET", "/new/rest/:num", func(c *Context) {
+		var m Member
+		c.BindUri(&m)
+	})
+
+	path1, _ := exampleFromPath("/new/rest/:num")
+	w1 := performRequest(router, "GET", path1)
+	assert.Equal(t, http.StatusBadRequest, w1.Code)
 }
 
 func githubConfigRouter(router *Engine) {