JS组件系列——开源免费图表组件：Chart.js

<script src="~/Scripts/jquery-1.10.2.js"></script>
<script src="~/Content/Chart.js-master/Chart.js"></script>

<canvas id="myChart" width="800" height="600"></canvas>

var data = {
    labels: ["January", "February", "March", "April", "May", "June", "July"],
    datasets: [
        {
            fillColor: "#CCCCFF",
            strokeColor: "rgba(220,220,220,1)",
            label: "2010年",
            data: [65, 59, 90, 81, 56, 55, 40]
        },
        {
            fillColor: "#CCFFCC",
            strokeColor: "#CCFFCC",
            label:"2011年",
            data: [28, 48, 40, 19, 96, 27, 100]
        },
        {
            fillColor: "#FFFFCC",
            strokeColor: "#FFFFCC",
            label: "2012年",
            data: [13, 55, 40, 19, 23, 27, 64]
        },
        {
            fillColor: "#99FFFF",
            strokeColor: "#99FFFF",
            label: "2013年",
            data: [98, 11, 52, 19, 65, 20, 77]
        }
    ]
}

$(function () {
    var ctx = $("#myChart").get(0).getContext("2d");
    var myNewChart = new Chart(ctx);
    myNewChart.Bar(data);
});

var ctx = $("#myChart").get(0).getContext("2d");
new Chart(ctx).Bar(data);

var options = {
    //Boolean - If we show the scale above the chart data      
    //是否显示柱状图上面的数据
    scaleOverlay: true,

    //Boolean - If we want to override with a hard coded scale
    scaleOverride: false,

    //** Required if scaleOverride is true **
    //Number - The number of steps in a hard coded scale
    scaleSteps: null,
    //Number - The value jump in the hard coded scale
    scaleStepWidth: 50,
    //Number - The scale starting value
    scaleStartValue: null,

    //String - Colour of the scale line    
    //x/y轴坐标线的颜色
    scaleLineColor: "rgba(0,0,0,.1)",

    //Number - Pixel width of the scale line  
    //坐标线的宽度
    scaleLineWidth: null,

    //Boolean - Whether to show labels on the scale    
    //是否显示label值
    scaleShowLabels: true,

    //Interpolated JS string - can access value
    scaleLabel: "<%=value%>",

    //String - Scale label font declaration for the scale label
    //字体Family
    scaleFontFamily: "'Arial'",

    //Number - Scale label font size in pixels
    //字体大小
    scaleFontSize: 12,

    //String - Scale label font weight style  
    //字体样式
    scaleFontStyle: "normal",

    //String - Scale label font colour   
    //字体颜色
    scaleFontColor: "#666",

    ///Boolean - Whether grid lines are shown across the chart
    scaleShowGridLines: false,

    //String - Colour of the grid lines
    //网格线颜色
    scaleGridLineColor: "rgba(0,0,0,.05)",

    //Number - Width of the grid lines
    scaleGridLineWidth: 1,

    //Boolean - If there is a stroke on each bar    
    barShowStroke: true,

    //Number - Pixel width of the bar stroke    
    barStrokeWidth: 2,

    //Number - Spacing between each of the X value sets
    // 柱状块与x值所形成的线（如：x=20这条线）之间的距离
    barValueSpacing: 5,

    //Number - Spacing between data sets within X values
    // 在同一x值内的柱状块之间的间距
    barDatasetSpacing: 1,

    //Boolean - Whether to animate the chart
    animation: true,

    //Number - Number of animation steps
    animationSteps: 60,

    //String - Animation easing effect
    animationEasing: "easeOutQuart",

    //Function - Fires when the animation is complete
    onAnimationComplete: function () {
        var strHtml = "";
        for (var i = 0; i < this.datasets.length; i++) {
            strHtml += "<li><div><span style='background-color:" + this.datasets[i].fillColor + ";'></span><label>" + this.datasets[i].label + "</label></div><div style='clear:both;'></div></li>";
        }
        $("#ul_type").html(strHtml);
    }
}

$(function () {
    var ctx = $("#myChart").get(0).getContext("2d");
    var myNewChart = new Chart(ctx);
    myNewChart.Bar(data, options);
});