逐步完成前后端服务器

frontend/node_modules/zrender/lib/graphic/shape/Ring.d.ts

@@ -0,0 +1,17 @@
+import Path, { PathProps } from '../Path';
+export declare class RingShape {
+    cx: number;
+    cy: number;
+    r: number;
+    r0: number;
+}
+export interface RingProps extends PathProps {
+    shape?: Partial<RingShape>;
+}
+declare class Ring extends Path<RingProps> {
+    shape: RingShape;
+    constructor(opts?: RingProps);
+    getDefaultShape(): RingShape;
+    buildPath(ctx: CanvasRenderingContext2D, shape: RingShape): void;
+}
+export default Ring;