feat: 重新调整header

miniprogram/canvasService/utils.ts

@@ -16,22 +16,19 @@ export function setCanvasSize(canvas: Canvas, paperSize: PaperSize) {
     return canvas;
 }
 
-export async function getMiniCodeImagePath() {
-    return getImagePath('/assets/imgs/mini-code.jpg');
+export async function getMiniCodeImage(canvas: Canvas) {
+    return getImage(canvas, '/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
-            },
-        });
+export async function getImage(canvas: Canvas, path: string) {
+    return new Promise((resolve, reject) => {
+        const image = canvas.createImage();
+        image.onload = () => {
+            resolve(image);
+        };
+        image.onerror = () => {
+            reject('图片加载异常');
+        };
+        image.src = path;
     });
 }