自定义K线效果-爱交易K线颜色自定义方法分享
其实更换K线颜色就是重构了了下K线而已，看到有币友有这块需求，随手改了个主图指标，专门用于修改K线颜色。重构K线有两种思路，一种是使用系统内置的绘制蜡烛图drawCandle函数，一种是自己画
使用系统内置的函数drawCandle
drawCandleIf(close>open, open, high, low, close, color="#D11E11");
drawCandleIf(close<open, open, high, low, close, color="#F5F5F5");
不使用系统内置的函数
drawHistogramBetweenIf(close>open, open, close, color="#D11E11", showpricevalue=true, showtitle=true);
drawStickBetweenIf(close>open, high, low, color="#D11E11", linewidth=1, showpricevalue=true, showtitle=true);
drawHistogramBetweenIf(close<open, open, close, color="#F5F5F5", showpricevalue=true, showtitle=true);
drawStickBetweenIf(close<open, high, low, color="#F5F5F5", linewidth=1, showpricevalue=true, showtitle=true);
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