JQuery制作环形进度条

页面实现：

代码实现：

<html>
    <meta charset="utf-8">
    <title>jQuery制作进度条</title>
    <link rel="stylesheet" href="label/bootstrap.css" type="text/css"/>
    <script src="label/jquery.min.js" type="text/javascript"></script>
    <script src="label/bootstrap.min.js" type="text/javascript"></script>
    <script src="label/jquery.knob.js" type="text/javascript"></script>


    <script type="text/javascript">
        $(function() {
            $(".knob").knob({
                'dynamicDraw': true,
                'thickness': 0.2,
                'tickColorizeValues': true,
                'skin': 'tron'
            })

            
            var kvm_info = {
                'cpu_usage':12.8,
                
                'mem_used':500,
                'mem_total':2048,
                'mem_usage':21,


                'disk_used':4,
                'disk_total':10,
                'disk_usage':40,
            }
            
            $('#memory_space input').eq(0).val(kvm_info['mem_usage'].toFixed(0)).trigger('change');
            $('#memory_space h4').eq(1).text(kvm_info['mem_used'] + "/" + kvm_info['mem_total'] + " GB");

            $('#cpu_space input').eq(0).val(kvm_info['cpu_usage'].toFixed(0)).trigger('change');
            $('#cpu_space h4').eq(1).text(kvm_info['cpu_usage'] + " %")
            
            
            $('#disk_space input').eq(0).val(kvm_info['disk_usage']).trigger('change');
            $('#disk_space h4').eq(1).text(kvm_info['disk_used'] + "/" + kvm_info['disk_total'] + " GB");
            
        });
    </script>


    <form>
        <div class="form-group">
            <div class="col-md-12">
                <div class="col-md-4">
                    <span class="caption-subject bold uppercase font-green" style="font-size:16px">内存空间使用情况</span>
                </div>
                <div class="col-md-4">
                    <span class="caption-subject bold uppercase font-green" style="font-size:16px">CPU使用率</span>
                </div>
                <div class="col-md-4">
                    <span class="caption-subject bold uppercase font-green" style="font-size:16px">磁盘空间使用情况</span>
                </div>
            </div>
            
            <div class="col-md-4" align="center" style="padding-top: 20px;" id="memory_space">
                <div style="float:left;padding-left: 20px">
                    <input readonly class="knob"  data-width="100" data-height="100" data-fgcolor="#3598DC" data-min="0" data-displayprevious=true value="100">
                </div>
                <div style="float:left;padding-left: 20px;padding-top: 20px">
                    <h4>内存空间</h4>
                    <h4 class="">0/0 GB </h4>
                </div>
            </div>
            
            <div class="col-md-4" align="center" style="padding-top: 20px" id="cpu_space">
                <div style="float:left;padding-left: 20px">
                    <input readonly class="knob" data-width="100" data-height="100" data-fgcolor="#3598DC" data-min="0" data-displayprevious=true value="100">
                </div>
                <div style="float:left;padding-left: 20px;padding-top: 20px">
                    <h4>CPU使用率</h4>
                    <h4 class="">0 %</h4>
                </div>
            </div>
            
            <div class="col-md-4" align="center" style="padding-top: 20px;" id="disk_space">
                <div style="float:left;padding-left: 20px">
                    <input readonly class="knob" data-width="100" data-height="100" data-fgcolor="#3598DC" data-min="0" data-displayprevious=true value="100">
                </div>
                <div style="float:left;padding-left: 20px;padding-top: 20px">
                    <h4>磁盘空间</h4>
                    <h4 class="">0/0 GB </h4>
                </div>
            </div>
        </div>
    </form>
</html>