Add optional fields for articles and users

api/graphql.go

@@ -28,6 +28,7 @@ func init() {
 
 func NewSchema() (graphql.Schema, error) {
 
+	// 文章的可选字段
 	article := graphql.NewObject(graphql.ObjectConfig{
 		Name: "Article",
 		Fields: graphql.Fields{
@@ -39,6 +40,7 @@ func NewSchema() (graphql.Schema, error) {
 		},
 	})
 
+	// 用户的可选字段
 	user := graphql.NewObject(graphql.ObjectConfig{
 		Name: "User",
 		Fields: graphql.Fields{
@@ -52,6 +54,7 @@ func NewSchema() (graphql.Schema, error) {
 		},
 	})
 
+	// 用户列表查询
 	users := &graphql.Field{
 		Type: graphql.NewList(user),
 		Args: graphql.FieldConfigArgument{