//Get the context of the canvas element we want to select
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var option = {
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//Boolean - If we show the scale above the chart data 是否显示图表数据的比例尺
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scaleOverlay : true,
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//Boolean - If we want to override with a hard coded scale
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scaleOverride : false,
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//** Required if scaleOverride is true **
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//Number - The number of steps in a hard coded scale
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scaleSteps : null,
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//Number - The value jump in the hard coded scale
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scaleStepWidth : null,
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//Number - The scale starting value
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scaleStartValue : null,
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//String - Colour of the scale line
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scaleLineColor : "rgba(0,0,0,.1)",
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//Number - Pixel width of the scale line
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scaleLineWidth : 2,
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//Boolean - Whether to show labels on the scale
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scaleShowLabels : true,
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//Interpolated JS string - can access value
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scaleLabel : "<%=value%>",
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//String - Scale label font declaration for the scale label 字体
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scaleFontFamily : "'Arial'",
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//Number - Scale label font size in pixels 字体大小
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scaleFontSize : 12,
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//String - Scale label font weight style 加粗
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scaleFontStyle : "bold",
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//String - Scale label font colour 字体颜色
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scaleFontColor : "#666",
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///Boolean - Whether grid lines are shown across the chart 是否显示网格线
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scaleShowGridLines : true,
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//String - Colour of the grid lines 网格线颜色
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scaleGridLineColor : "rgba(0,0,0,.05)",
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//Number - Width of the grid lines
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scaleGridLineWidth : 1,
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//Boolean - If there is a stroke on each bar
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barShowStroke : false,
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//Number - Pixel width of the bar stroke
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barStrokeWidth : 1,
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//Number - Spacing between each of the X value sets
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barValueSpacing : 6,
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//Number - Spacing between data sets within X values
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barDatasetSpacing : 1,
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//Boolean - Whether to animate the chart 动画
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animation : true,
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//Number - Number of animation steps 动画时间
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animationSteps : 60,
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//String - Animation easing effect 动画执行曲线
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animationEasing : "easeOutQuart",
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//Function - Fires when the animation is complete 回调函数
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onAnimationComplete : null
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}
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