效果图：
代码：
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>jQuery UI Slider - Range slider</title>
<link rel="stylesheet" href="https://cdn.bootcss.com/jqueryui/1.12.1/jquery-ui.css">
<script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.js"></script>
<script src="https://cdn.bootcss.com/jqueryui/1.12.1/jquery-ui.js"></script>
<style>
body {
font-size: 13px;
font-family: Arial, Helvetica, sans-serif;
} table {
font-size: 1em;
} .ui-draggable, .ui-droppable {
background-position: top;
} .tooltip {
position: absolute;
left: -10px;
width: 200px;
color: black;
} .tooltip.odd {
top: -25px;
} .tooltip.even {
top: 25px;
} </style>
<script>
var values = [0.3, 0.5, 0.7, 0.8];
var tooltip1 = $('<div class="tooltip odd"><span>空闲阈值：</span><span class="val">' + values[0] + '</span></div>');
var tooltip2 = $('<div class="tooltip even"><span>最小持续压力：</span><span class="val">' + values[1] + '</span></div>');
var tooltip3 = $('<div class="tooltip odd"><span>最大持续压力：</span><span class="val">' + values[2] + '</span></div>');
var tooltip4 = $('<div class="tooltip even"><span>临界压力：</span><span class="val">' + values[3] + '</span></div>');
$(function () {
$("#slider-range").slider({
range: false,
min: 0.1,
max: 0.9,
step: 0.1,
values: values,
slide: function (event, ui) {
if (ui.values[0] >= ui.values[1] || ui.values[1] >= ui.values[2] || ui.values[2] >= ui.values[3] || ui.values[3] >= ui.values[4]) {
return false;
}
$(ui.handle).find(".val").html(ui.value);
$("#val1").val(ui.values[0]);
$("#val2").val(ui.values[1]);
$("#val3").val(ui.values[2]);
$("#val4").val(ui.values[3]);
}
}); $("#slider-range .ui-slider-handle").each(function (i, obj) {
var tooltip;
if (i == 0) {
tooltip = tooltip1;
} else if (i == 1) {
tooltip = tooltip2;
} else if (i == 2) {
tooltip = tooltip3;
} else if (i == 3) {
tooltip = tooltip4;
}
$(obj).append(tooltip);
var spans = $(obj).find("span");
var width = 1;
for (var span of spans) {
width += $(span).width();
}
if(width % 2 == 1){
width += 1;
}
$(obj).find(".tooltip").css("left", 11-width/2).css("width", width);
}); $("#val1").val(values[0]);
$("#val2").val(values[1]);
$("#val3").val(values[2]);
$("#val4").val(values[3]); });
</script>
</head>
<body>
<p>
空闲压力：<input type="text" id="val1" readonly style="border:0; color:#f6931f; font-weight:bold;"><br/>
最小持续压力：<input type="text" id="val2" readonly style="border:0; color:#f6931f; font-weight:bold;"><br/>
最大持续压力：<input type="text" id="val3" readonly style="border:0; color:#f6931f; font-weight:bold;"><br/>
临界压力：<input type="text" id="val4" readonly style="border:0; color:#f6931f; font-weight:bold;">
</p>
<div id="slider-range"></div>
</body>
</html>