option = {
title: {
text: 'Awesome Chart'
},
xAxis: {
data: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat']
},
yAxis: {},
series: [{
type: 'bar',
data:[220, -182, 191, 234, -290, 330, 310],
itemStyle: {
color: function (p) {
return p.value > 0 ? 'red' : 'green';
}
}
}]
};