vue拖动左侧导航栏变大变小
牵手北京99 人气:0
<template> <div> <div class="top">顶部导航</div> <div id="left"> <div id="menu"> <span>左侧侧边栏</span> </div> <div id="drap-line"></div> </div> <div id="right"> 右边的div </div> </div> </template>
<style type="text/css">
* {margin: 0;padding: 0;}
html,body {height: 100%;text-align: center;}
body {position: relative;}
.top {width: 100%;height: 88px;background-color: #ccc;}
#left {position: absolute;top: 88px;right: 0;bottom: 0;left: 0;width: 220px;}
#menu {width: 100%;height: 100%;background-color: red;}
#drap-line {position: absolute;top: 0;right: 0;width: 4px;height: 100%;background-color: #999;cursor: e-resize;}
#right {position: absolute;top: 88px;right: 0;bottom: 0;left: 220px;}
</style>
<script>
export default {
mounted() {
//获取dom
var drapLine = document.getElementById('drap-line');
var left = document.getElementById('left');
var right = document.getElementById('right');
//设置最大/最小宽度
var max_width = 600,
min_width = 100;
//记录鼠标相对left盒子x轴位置
var mouse_x = 0;
var history_width = localStorage.getItem('sliderWidth');
if (history_width) {
left.style.width = history_width;
right.style.left = history_width;
}
//绑定鼠标按下事件
drapLine.onmousedown = function (e) {
var e = e || window.event;
//阻止默认事件
e.preventDefault();
mouse_x = e.clientX - left.offsetWidth;
document.onmousemove = function (e) {
var e = e || window.event;
var left_width = e.clientX - mouse_x;
left_width = left_width < min_width ? min_width : left_width;
left_width = left_width > max_width ? max_width : left_width;
left.style.width = left_width + 'px';
right.style.left = left_width + 'px';
};
document.onmouseup = function (e) {
document.onmousemove = null;
document.onmouseup = null;
//localStorage设置
localStorage.setItem('sliderWidth', left.style.width)
};
}
},
methods: {
},
watch: {
},
data() {
return {
}
}
}
</script>
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