基于jQuery-ui实现多滑块slider

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>
示例下载：https://files.cnblogs.com/files/nihaorz/slider.zip