74 lines
1.7 KiB
Vue
74 lines
1.7 KiB
Vue
<template>
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<div ref="rightResizeRef" class="right-resize">
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<i ref="rightResizeBarRef">...</i>
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</div>
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</template>
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<script setup>
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import {onBeforeUnmount, ref, onMounted, watch, defineProps, nextTick, defineEmits, defineExpose, computed} from 'vue';
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let rightAsideWidth = 300;
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let emit = defineEmits(['update:value', 'change']);
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onMounted(() => {
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dragChangeRightAsideWidth();
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});
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let rightResizeRef = ref();
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let rightResizeBarRef = ref();
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const dragChangeRightAsideWidth = () => {
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// 保留this引用
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let resize = rightResizeRef.value
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let resizeBar = rightResizeBarRef.value
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resize.onmousedown = (e) => {
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let startX = e.clientX
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// 颜色改变提醒
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resize.style.background = '#ccc'
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resizeBar.style.background = '#aaa'
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resize.left = resize.offsetLeft
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document.onmousemove = (e2) => {
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// 计算并应用位移量
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let endX = e2.clientX
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let moveLen = startX - endX
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if ((moveLen < 0 && rightAsideWidth < 600) || (moveLen > 0 && rightAsideWidth > 300)) {
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startX = endX
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rightAsideWidth -= moveLen
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if (rightAsideWidth < 300) {
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rightAsideWidth = 300
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}
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emit('update:value', rightAsideWidth)
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emit('change', rightAsideWidth)
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}
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}
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document.onmouseup = () => {
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// 颜色恢复
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resize.style.background = '#fafafa'
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resizeBar.style.background = '#ccc'
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document.onmousemove = null
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document.onmouseup = null
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}
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return false
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}
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}
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</script>
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<style scoped>
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.right-resize {
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width: 5px;
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height: 100%;
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cursor: w-resize;
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background: #fafafa;
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}
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.right-resize i {
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margin-top: 300px;
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width: 5px;
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height: 35px;
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display: inline-block;
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word-wrap: break-word;
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word-break: break-all;
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line-height: 8px;
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border-radius: 5px;
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background: #ccc;
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color: #888;
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}
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</style>
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