标题过长,用省略号显示

标题过长,用省略号显示
var subtext = '数据来自[' + datainfo[5] + ']实时数据';
if (subtext.length > 25)
{
subtext = subtext.substring(0 , 24) + "……";

}
option1.title.subtext = subtext;

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转载自www.cnblogs.com/webttt/p/8888532.html