逐步完成前后端服务器

frontend/node_modules/zrender/lib/graphic/Gradient.d.ts

@@ -0,0 +1,23 @@
+export interface GradientObject {
+    id?: number;
+    type: string;
+    colorStops: GradientColorStop[];
+    global?: boolean;
+}
+export interface InnerGradientObject extends GradientObject {
+    __canvasGradient: CanvasGradient;
+    __width: number;
+    __height: number;
+}
+export interface GradientColorStop {
+    offset: number;
+    color: string;
+}
+export default class Gradient {
+    id?: number;
+    type: string;
+    colorStops: GradientColorStop[];
+    global: boolean;
+    constructor(colorStops: GradientColorStop[]);
+    addColorStop(offset: number, color: string): void;
+}