first commit

backend/docs/拼接接口路径.md

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+//拼接接口路径
+const getEnvUrl = (path: string) => {
+  const API_BASE_URL = import.meta.env.VITE_API_BASE_URL;
+  return `${API_BASE_URL}${path}`;
+};
+
+用例：
+<img :src="getEnvUrl(module.thumb)" :alt="module.title" />
+
+
+const url = getEnvUrl('/admin/moduleCenter/modules');