Refactor GraphQL schema and format JSON output

bin/main.go

@@ -197,7 +197,8 @@ func main() {
 			http.Error(w, result.Errors[0].Error(), 500)
 			return
 		}
-		rJSON, _ := json.Marshal(result)
+		// 格式化输出
+		rJSON, _ := json.MarshalIndent(result, "", "  ")
 		fmt.Printf("%s \n", rJSON)
 		w.Write(rJSON)
 	})

models/graphql.go

@@ -49,8 +49,7 @@ func NewSchema() (graphql.Schema, error) {
 		},
 	}
 
-	images := &graphql.Field{
+	image := graphql.NewObject(graphql.ObjectConfig{
-		Type: graphql.NewList(graphql.NewObject(graphql.ObjectConfig{
 		Name: "Image",
 		Fields: graphql.Fields{
 			"id":                      &graphql.Field{Type: graphql.Int},
@@ -63,17 +62,61 @@ func NewSchema() (graphql.Schema, error) {
 			"create_time":             &graphql.Field{Type: graphql.DateTime},
 			"update_time":             &graphql.Field{Type: graphql.DateTime},
 			"user": &graphql.Field{
-					Type: graphql.NewObject(graphql.ObjectConfig{
+				Type: user,
-						Name: "User",
-						Fields: graphql.Fields{
-							"id":       &graphql.Field{Type: graphql.Int},
-							"nickname": &graphql.Field{Type: graphql.String},
-							"avatar":   &graphql.Field{Type: graphql.String},
-						},
-					}),
 			},
 		},
-		})),
+	})
+
+	images := &graphql.Field{
+		Type: graphql.NewList(image),
+		Args: graphql.FieldConfigArgument{
+			"id": &graphql.ArgumentConfig{
+				Type: graphql.Int,
+			},
+		},
+		Resolve: func(p graphql.ResolveParams) (interface{}, error) {
+			fmt.Println("p.Args:", p.Args)
+			return []interface{}{
+				map[string]interface{}{
+					"id":                      1,
+					"width":                   100,
+					"height":                  100,
+					"content":                 "content",
+					"article_category_top_id": 1,
+					"praise_count":            1,
+					"collect_count":           1,
+					"create_time":             "2018-01-01 00:00:00",
+					"update_time":             "2018-01-01 00:00:00",
+					"user": map[string]interface{}{
+						"id":     1,
+						"name":   "user1",
+						"age":    10,
+						"info":   "info",
+						"price":  1.1,
+						"avatar": "",
+					},
+				},
+				map[string]interface{}{
+					"id":                      2,
+					"width":                   100,
+					"height":                  100,
+					"content":                 "content",
+					"article_category_top_id": 1,
+					"praise_count":            1,
+					"collect_count":           1,
+					"create_time":             "2018-01-01 00:00:00",
+					"update_time":             "2018-01-01 00:00:00",
+					"user": map[string]interface{}{
+						"id":     2,
+						"name":   "user2",
+						"age":    20,
+						"info":   "info",
+						"price":  2.2,
+						"avatar": "",
+					},
+				},
+			}, nil
+		},
 	}
 
 	rootQuery := graphql.ObjectConfig{Name: "RootQuery", Fields: graphql.Fields{