更新：登录功能

uni_modules/wot-design-uni/components/common/canvasHelper.ts

@@ -0,0 +1,49 @@
+/**
+ * 适配 canvas 2d 上下文
+ * @param ctx canvas 2d 上下文
+ * @returns
+ */
+export function canvas2dAdapter(ctx: CanvasRenderingContext2D): UniApp.CanvasContext {
+  return Object.assign(ctx, {
+    setFillStyle(color: string | CanvasGradient) {
+      ctx.fillStyle = color
+    },
+    setStrokeStyle(color: string | CanvasGradient | CanvasPattern) {
+      ctx.strokeStyle = color
+    },
+    setLineWidth(lineWidth: number) {
+      ctx.lineWidth = lineWidth
+    },
+    setLineCap(lineCap: 'butt' | 'round' | 'square') {
+      ctx.lineCap = lineCap
+    },
+
+    setFontSize(font: string) {
+      ctx.font = font
+    },
+    setGlobalAlpha(alpha: number) {
+      ctx.globalAlpha = alpha
+    },
+    setLineJoin(lineJoin: 'bevel' | 'round' | 'miter') {
+      ctx.lineJoin = lineJoin
+    },
+    setTextAlign(align: 'left' | 'center' | 'right') {
+      ctx.textAlign = align
+    },
+    setMiterLimit(miterLimit: number) {
+      ctx.miterLimit = miterLimit
+    },
+    setShadow(offsetX: number, offsetY: number, blur: number, color: string) {
+      ctx.shadowOffsetX = offsetX
+      ctx.shadowOffsetY = offsetY
+      ctx.shadowBlur = blur
+      ctx.shadowColor = color
+    },
+    setTextBaseline(textBaseline: 'top' | 'bottom' | 'middle') {
+      ctx.textBaseline = textBaseline
+    },
+    createCircularGradient() {},
+    draw() {},
+    addColorStop() {}
+  }) as unknown as UniApp.CanvasContext
+}