var chart = echarts.init(document.getElementById(id));
chart.setOption(polyLineOption);
chart.on('brushSelected', function (params) {
var mainSeries = params.batch[0].areas;
var selectedItems = [];//选中区域的横纵标
for (var i = 0; i < mainSeries.length; i++) {
if(mainSeries[i].coordRange && mainSeries[i].coordRange.length > 0){
for(var j = 0; j < mainSeries[i].coordRange.length; j++){
selectedItems.push( mainSeries[i].coordRange[j]);
}
}
}
});
tooltip上的东西不好被点到,你需要把showDelay和hideDelay都调大鼠标才能走得过去,