Initial commit: 商品售卖网站

frontend/src/utils/image.ts

@@ -0,0 +1,20 @@
+const API_BASE_URL = import.meta.env.VITE_API_BASE_URL || 'http://localhost:8080/api'
+const BASE_URL = API_BASE_URL.replace('/api', '')
+
+export function getImageUrl(path: string): string {
+  if (!path) return ''
+  if (path.startsWith('http://') || path.startsWith('https://')) {
+    return path
+  }
+  if (path.startsWith('/')) {
+    return BASE_URL + path
+  }
+  return BASE_URL + '/' + path
+}
+
+export function getFirstImage(images: string): string {
+  if (!images) return ''
+  const arr = images.split(',').map((s: string) => s.trim()).filter(Boolean)
+  const first = arr[0] || ''
+  return getImageUrl(first)
+}