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# ECharts类介绍
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ECharts是`com.fr.chart.chartattr.Chart`的子类,需要实现几个重要的方法
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两个构造方法,一个为不带参数,一个为带[EChartsPlot](echarts_plot.md)参数
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// 生成图表配置属性的方法,最终用于生成一个JSON格式的数据到web端
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`public BaseChartGlyph createGlyph(ChartData chartData) `
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// 判断能够接收的图表类型
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`public boolean accept(Class<? extends Chart> obClass)`
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// 读取xml中相关配置
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`protected void readChartXML(XMLableReader reader)`
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// 各种设置信息保存到xml文件中
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`public void writeXML(XMLPrintWriter writer)`
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