feat: 准备修改header的渲染

miniprogram/canvasService/utils.ts

@@ -15,3 +15,23 @@ export function setCanvasSize(canvas: Canvas, paperSize: PaperSize) {
     console.log('canvas----:', canvas);
     return canvas;
 }
+
+export async function getMiniCodeImagePath() {
+    return getImagePath('/assets/imgs/mini-code.jpg');
+}
+
+export async function getImagePath(path: string) {
+    return new Promise((resolve) => {
+        // 如果是网络图片，需配置downloadFile域名
+        wx.getImageInfo({
+            src: path, // 本地图片路径
+            success: (res) => {
+                resolve(res.path);
+            },
+            fail: (err) => {
+                console.error('图片加载失败:', err);
+                resolve(''); // 可设置默认占位图
+            },
+        });
+    });
+}