使用jQuery jqPlot插件绘制柱状图

　　在一个项目研发过程中，需要显示账户的资金情况，为了给客户良好的体验我们采用了柱状图形展现，绘图的过程如果使用原生态脚本绘制这样比较麻烦，时间也会比较长，所以我们选择了jqPlot插件进行绘制，这样可以节省大量的时间，也能很快就能展示给用户。
　　插件官方地址：http://www.jqplot.com/
　　具体实现如下：
　　引用JS文件：


代码如下:


 <link href="~/Scripts/asset/jqplot/jquery.jqplot.min.css" rel="stylesheet" />
 <link href="~/Scripts/asset/jqplot/syntaxhighlighter/styles/shCoreDefault.min.css" rel="stylesheet" />
 <link href="~/Scripts/asset/jqplot/syntaxhighlighter/styles/shThemejqPlot.min.css" rel="stylesheet" />
 <script src="~/Scripts/asset/jquery-1.10.2.min.js"></script>
 <script type="text/javascript" src="~/Scripts/asset/jqplot/jquery.jqplot.min.js" class="include"></script>
 <script type="text/javascript" src="~/Scripts/asset/jqplot/syntaxhighlighter/scripts/shCore.js"></script>
 <script type="text/javascript" src="~/Scripts/asset/jqplot/syntaxhighlighter/scripts/shBrushJScript.js"></script>
 <script type="text/javascript" src="~/Scripts/asset/jqplot/syntaxhighlighter/scripts/shBrushXml.js"></script>
 <script type="text/javascript" src="~/Scripts/asset/jqplot/excanvas.min.js"></script>
 <script type="text/javascript" src="~/Scripts/asset/jqplot/plugins/jqplot.barRenderer.min.js"></script>
 <script type="text/javascript" src="~/Scripts/asset/jqplot/plugins/jqplot.categoryAxisRenderer.min.js"></script>
 <script type="text/javascript" src="~/Scripts/asset/jqplot/plugins/jqplot.pointLabels.min.js"></script>



　Html代码



代码如下:


<div id="chart1" class="box"></div>



　　Javascript脚本：


代码如下:


 var chartBar = function () {
         var data={param1:param1,param2:param2};//传递参数
         $("#chart1").html("");//绘图DIV
         var s1;
         $.ajax({
             type: "POST",
             url: '../Home/AccountSum',
             data: data,
             datatype: "json",
             async: false,
             success: function (d) {
                 if (d.flag) {
                     s1 = [parseFloat(d.data.Total1), parseFloat(d.data.Total2), parseFloat(d.data.Total3), parseFloat(d.data.Total4), parseFloat(d.data.Total5), parseFloat(d.data.Total6)];
                 } else {
                     s1 = [0.00, 0.00, 0.00, 0.00, 0.00, 0.00];
                 }
                 $.jqplot.config.enablePlugins = true;
                 var ticks = ['充值', '提款', '应收', '销售', '退票', '验证'];
                 var plot1 = $.jqplot('chart1', [s1], {
                     // Only animate if we're not using excanvas (not in IE 7 or IE 8)..
                     //animate: !$.jqplot.use_excanvas,
                     seriesDefaults: {
                         pointLabels: { show: true },
                         shadow: false,
                         showMarker: true, // 是否强调显示图中的数据节点
                         renderer: $.jqplot.BarRenderer,
                         rendererOptions: {
                             barWidth: 50,
                             barMargin: 50
                         }
                     },
                     axes: {
                         xaxis: {
                             show: true,    //是否自动显示坐标轴
                             renderer: $.jqplot.CategoryAxisRenderer,
                             ticks: ticks,
                             showTicks: true,        // 是否显示刻度线以及坐标轴上的刻度值 
                             showTickMarks: true,    //设置是否显示刻度
                             tickOptions: {
                                 show: true,
                                 fontSize: '14px',
                                 fontFamily: 'tahoma,arial,"Hiragino Sans GB",宋体b8b体,sans-serif',
                                 showLabel: true, //是否显示刻度线以及坐标轴上的刻度值
                                 showMark: false,//设置是否显示刻度
                                 showGridline: false // 是否在图表区域显示刻度值方向的网格
                             }
                         },
                         yaxis: {
                             show: true,
                             showTicks: false,        // 是否显示刻度线以及坐标轴上的刻度值 
                             showTickMarks: false,     //设置是否显示刻度
                             autoscale: true,
                             borderWidth: 1,
                             tickOptions: {
                                 show: true,
                                 showLabel: false,
                                 showMark: false,
                                 showGridline: true,
                                 formatString: '￥%.2f'
                             }
                         },
                     },
                     grid: {
                         drawGridLines: true,
                         drawBorder: false,
                         shadow: false,
                         borderColor: '#000000',     // 设置图表的(最外侧)边框的颜色
                         borderWidth: 1           //设置图表的（最外侧）边框宽度 
                     },
                     highlighter: { show: false }
                 });
             },
             error: function () {
                 alert("获取图形统计数据失败!");
             }
         });
     };



　效果图：


　　今天就写到这里吧，初步看了一下官方上的事例，功能还是蛮强大的，使用也很方便、容易，根据本项目的需求，后续可能还会增加一些。不过在使用过程中也发现了一些问题，部分实现不一定可以满足。


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