想了零时解决办法
添加辅助条
1、辅助条的数字和 yMin 值一样
2、对应的data 的 value值也要相应的减去 ymin 的值
app.title = '堆叠柱状图';
option = {
tooltip : {
trigger: 'axis',
axisPointer : { // 坐标轴指示器，坐标轴触发有效
type : 'shadow' // 默认为直线，可选为：'line' | 'shadow'
}
},
legend: {
data: ["汽温", "壁温", "氧化", "超温"],
bottom: 1
},
grid: {
left: '3%',
right: '4%',
bottom: '3%',
containLabel: true
},
xAxis : [
{
type : 'category',
data : ["1.1", "1.2", "1.3", "1.4", "1.5", "1.6", "1.7"]
}
],
yAxis : [
{
min: function(){return 450},
max: function(){return 500},
type : 'value'
}
],
series : [
{
name: '辅助',
type: 'bar',
stack: '广告',
itemStyle: {
normal: {
barBorderColor: 'rgba(0,0,0,0)',
color: 'rgba(0,0,0,0)'
},
emphasis: {
barBorderColor: 'rgba(0,0,0,0)',
color: 'rgba(0,0,0,0)'
}
},
data: [450, 450, 450, 450, 450, 450, 450]
},
{
name:'应收',
type:'bar',
data:[450, 450, 453, 450, 450, 450, 450]
},
{
name:'电视',
type:'bar',
stack: '广告',
data:[10, 20, 30, "-", "-", 40, "-"]
},
{
name:'手机',
type:'bar',
stack: '广告',
data:["-", "-", "-", "-", 50, "-", "-"]
},
{
name:'网页',
type:'bar',
stack: '广告',
data:["-", "-", "-", 0, "-", "-", 0]
}
]
};
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https://github.com/apache/incubator-echarts/issues/6938 ]
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