myChart.on('legendselectchanged', function(params) { var name = params.name; if(name == '全部'){ var selected = params.selected; var flag = selected[name];
var selectArr = myChart.getOption().legend[0].data;
var obj = {};
for(var key in selectArr){
obj[selectArr[key]] = flag;
}
option.legend.selected = obj;
myChart.setOption(option);
}
});