28 lines
758 B
TypeScript
28 lines
758 B
TypeScript
import { ref, onMounted, onUnmounted } from "vue";
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/**
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* @description 网络是否可用
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* */
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export const useOnline = () => {
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const online = ref(true);
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const showStatus = (val: any) => {
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online.value = typeof val == "boolean" ? val : val.target.online;
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};
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// 在页面加载后，设置正确的网络状态
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navigator.onLine ? showStatus(true) : showStatus(false);
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onMounted(() => {
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// 开始监听网络状态的变化
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window.addEventListener("online", showStatus);
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window.addEventListener("offline", showStatus);
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});
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onUnmounted(() => {
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// 移除监听网络状态的变化
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window.removeEventListener("online", showStatus);
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window.removeEventListener("offline", showStatus);
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});
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return { online };
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};
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