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cdtestplant/src/hooks/locale.ts

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+import { computed } from 'vue'
+import { useI18n } from 'vue-i18n'
+import { Message } from '@arco-design/web-vue'
+
+export default function useLocale() {
+    const i18 = useI18n()
+    const currentLocale = computed(() => {
+        return i18.locale.value
+    })
+    const changeLocale = (value: string) => {
+        if (i18.locale.value === value) {
+            return
+        }
+        i18.locale.value = value
+        localStorage.setItem('arco-locale', value)
+        Message.success(i18.t('navbar.action.locale'))
+    }
+    return {
+        currentLocale,
+        changeLocale,
+    }
+}