初始化版本，引入智慧食堂模块，第三方模块

src/directive/index.ts

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+import type { App } from 'vue';
+import { authDirective } from '/@/directive/authDirective';
+import { wavesDirective } from '/@/directive/customDirective';
+
+/**
+ * 导出指令方法：v-xxx
+ * @methods authDirective 用户权限指令，用法：v-auth
+ * @methods wavesDirective 按钮波浪指令，用法：v-waves
+ */
+export function directive(app: App) {
+	// 用户权限指令
+	authDirective(app);
+	// 按钮波浪指令
+	wavesDirective(app);
+	// focus
+	app.directive('focus', {
+		mounted(el) {
+			el.focus();
+		},
+	});
+}