feat:完成生成打印纸的步骤

miniprogram/canvasService/textDrawServiceV3.ts

@@ -10,7 +10,11 @@ class TextDrawService {
     currentX: number;
     currentY: number;
 
-    constructor(canvas: Canvas, ctx: RenderingContext, options?: Record<string, any>) {
+    constructor(
+        canvas: Canvas,
+        ctx: RenderingContext,
+        options?: Record<string, any>,
+    ) {
         this.canvas = canvas;
         this.ctx = ctx;
         this.paperSize = 'A4';
@@ -160,7 +164,9 @@ class TextDrawService {
             for (let j = 0; j < cols; j++) {
                 const y = startY + i * (spaceHeight + radius * 2);
                 const x =
-                    i % 2 === 0 ? startX1 + j * spaceWidthFrist : startX2 + j * spaceWidthSecond;
+                    i % 2 === 0
+                        ? startX1 + j * spaceWidthFrist
+                        : startX2 + j * spaceWidthSecond;
 
                 const character = characters[Math.floor(Math.random() * len)];