createGlobalState | VueUse中文文档
<template>
<div class="container">
<div>{{ x }}-{{ y }}</div>
<div>{{ store }}</div>
<div>
<button @click="addNum">add-{{ counter }}</button>
</div>
<div>
<button @click="fullScreen">全屏</button>
</div>
<div>
<button @click="copyContent">点击复制</button>
</div>
<div :class="mode">
<button @click="btn">切换主题色</button>
</div>
<div>
<button ref="element">useEventListener</button>
</div>
<div>{{ width }}-{{ height }}</div>
<div>
<button @click="throttledFn">throttledFn 3s</button>
</div>
<div>
<input ref="target" type="text" />
<button type="button" @click="focused = true">focus</button>
</div>
<div ref="outside" style="border: 1px solid #ccc">Hello world</div>
</div>
</template>
<script lang="ts" setup>
import { watch, ref } from "vue";
import {
useFullscreen,
useClipboard,
useLocalStorage,
useMouse,
useWindowSize,
useDebounceFn,
useThrottleFn,
useColorMode,
useEventListener,
useCloned,
useFocus,
onClickOutside,
} from "@vueuse/core";
// 鼠标坐标
const { x, y } = useMouse();
// clone
const original = ref({ key: "value" });
const { cloned } = useCloned(original);
original.value.key = "some new value";
console.log(cloned.value, original.value);
// useStorage, useLocalStorage, useSessionStorage
const store = useLocalStorage("my-storage", {
name: "Apple",
color: "red",
});
// 防抖
const counter = ref(0);
const addNum = useDebounceFn(
() => {
counter.value += 1;
},
300,
{ maxWait: 5000 }
);
// 节流
const throttledFn = useThrottleFn(() => {
// do something, it will be called at most 1 time per second
console.log("throttledFn");
}, 3000);
// 全屏
const { isFullscreen, toggle } = useFullscreen();
const fullScreen = () => {
console.log("isFullScreen=", isFullscreen.value);
toggle();
};
// 点击粘贴useClipboard
const { text, copy, isSupported } = useClipboard();
const copyContent = () => {
console.log("当前浏览器是否支持", isSupported.value, text.value);
copy("点击复制");
};
// 切换颜色
const mode = useColorMode();
const btn = () => {
mode.value = mode.value === "light" ? "dark" : "light";
};
// vueuse事件绑定
const element = ref(null);
useEventListener(element, "click", () => {
console.log("监听点击事件");
});
// 获取窗口宽高
const { width, height } = useWindowSize();
// 自动获取焦点
const target = ref(null);
const { focused } = useFocus(target, { initialValue: true });
watch(focused, (focused) => {
if (focused) console.log("input element has been focused");
else console.log("input element has lost focus");
});
// 在这个元素外点击触发
const outside = ref(null);
onClickOutside(outside, (event) => console.log("outside click=", event));
</script>
<style scoped>
.light {
background-color: #ccc;
}
.dark {
background-color: #333;
}
.container {
padding: 10px;
display: flex;
justify-content: center;
align-items: center;
align-content: center;
flex-wrap: wrap;
flex-direction: column;
}
.container > div {
width: 400px;
display: flex;
justify-content: center;
}
</style>
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