逐步完成前后端服务器

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

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+import Path, { PathProps } from '../Path';
+export declare class BezierCurveShape {
+    x1: number;
+    y1: number;
+    x2: number;
+    y2: number;
+    cpx1: number;
+    cpy1: number;
+    cpx2?: number;
+    cpy2?: number;
+    percent: number;
+}
+export interface BezierCurveProps extends PathProps {
+    shape?: Partial<BezierCurveShape>;
+}
+declare class BezierCurve extends Path<BezierCurveProps> {
+    shape: BezierCurveShape;
+    constructor(opts?: BezierCurveProps);
+    getDefaultStyle(): {
+        stroke: string;
+        fill: string;
+    };
+    getDefaultShape(): BezierCurveShape;
+    buildPath(ctx: CanvasRenderingContext2D, shape: BezierCurveShape): void;
+    pointAt(t: number): number[];
+    tangentAt(t: number): number[];
+}
+export default BezierCurve;