tooltip: {
trigger: 'axis',
showDelay: 0,
backgroundColor: 'rgba(0,0,0,0.55)',
padding: [10,70],
formatter : '{b}年<br/>满意度 : {c}%',
axisPointer: {
type: 'line',
lineStyle: {
color: '#dddddd',
width: 1,
type: 'dashed'
},
},
textStyle: {
color: '#fff'
}
},