Jquery插件实现仪表盘,供大家参考,具体内容如下 做了个简易的仪表盘,就是很常见的那种码表,实现没啥困难,就是需要算一点点位置 实现效果 代码部分 *{ margin:
做了个简易的仪表盘,就是很常见的那种码表,实现没啥困难,就是需要算一点点位置
*{
margin: 0;
padding: 0;
}
.rel{
display: flex;
justify-content:center;
align-items:center;
position: relative;
}
.bp{
border-radius:50% ;
border: 1px solid lightgray;
position:relative;
display: flex;
justify-content: center;
align-items: center;
transfORM: rotate(-45deg);
}
.kd{
position:absolute;
width: 100%;
font-size: 12px;
}
.point{
background-color:lightgray;
height: 100px;
width: 20px;
border-radius:100%;
transform: rotate(90deg);
transform-origin:10px 0px;
z-index: 9;
position: absolute;
transition: all 0.5s;
}
.kb{
position: absolute;
bottom: 20px;
font-size: 24px;
color: gray;
transition: all 0.5s;
}
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>做个仪表盘</title>
<script src="js/jquery-3.4.1.min.js"></script>
<script src="js/zgybp.js"></script>
<link href="CSS/zgybp.css" rel="stylesheet" type="text/css" />
<style>
#div{
border: 1px solid lightgray;
width: 90%;
height: 400px;
margin: 20px auto;
}
</style>
</head>
<body>
<div id="div"></div>
</body>
</html>
<script>
var temp = zgybp("div");
setInterval(function(){
var f = Math.floor(Math.random()*101);
temp.load(f);
},700)
</script>
var zgybp = function(id){
var $id = $("#"+id);
$id.addClass("rel");
var a = $id.width()>$id.height()?$id.height():$id.width();
$bp = $("<div class='bp'></div>");
$bp.appendTo($id);
$bp.css({
"width":a,
"height":a
})
//绘制刻度,只绘制3/4 270/100=2.7,每一个刻度都是2.7
for(var i =100;i>=0;i--){
$kd = $("<div class='kd'><span class='txt'>-</span></div>");
if(i%5==0){
$kd.find('.txt').text(i)
}
$kd.appendTo($bp);
$kd.css("transform","rotate("+(i*2.7)+"deg)");
}
$point = $("<div class='point'></div>")
$point.appendTo($bp)
$point.css({
"left":a/2,
"top":a/2
})
$kb = $("<div class='kb'>0</div>");
$kb.appendTo($id)
//然后将表盘转1/8的角度,就差不多了
return{
$id:$id,
$bp:$bp,
$point:$point,
$kb:$kb,
load:function(f){
var that = this;
f = f<0?0:f>100?100:f;
var temp = parseInt(f)*2.7;
that.$point.css({
"transform":"rotate("+(90+temp)+"deg)"
})
that.draw(f);
},
draw:function(f){
var that =this;
that.$kb.text(f);
}
}
}
--结束END--
本文标题: jquery插件实现仪表盘
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