折线图 不连接 null 值，且showSymbol:false，当有点左右都为 null 值时这个点就看不见了只有 tooltip hover才展示

[Pinkman-Xin]

Version

5.2.2

Link to Minimal Reproduction

https://echarts.apache.org/examples/zh/editor.html?c=line-stack&code=PYBwLglsB2AEC8sDeAoWszGAG0iAXMmuhgE4QDmFApqYQOQCGAHhAM73EC-ANGsRXIATQqhKxs1AGZgGAZgCk9PuPIUAFrNj0ALEpUkARsDCYAtvP3F0AYxhhGEaABlGh6tkJhSAV2rcDTBxjZlFrWClqRjAfUmow8XQ2RgA3agBBNgBJM0YaUS5wwvReYmZ01jYEkjAATxB47Rto6gpgUlrlcOMfaCFGDoBxRgIIxmw2agN0fodCAG16AFkYZW0AFT81-gB1aiFt9fUfbYAxcm2AZWir3voAXQDiWor2avQ6hoYU8a2npNoEGoVVg83CYkS0EYZka9AAorkINguokMPVYdgnNQUYk2A4bABrBjrEzjHHiWaMBYARgATAAGHiwalyWlM6A-bDYJksnTsznc2C0uSMoXU-n3aYkNjqYAAd0utTMxk8UnGkyKfGIjy4AG4gA

Steps to Reproduce

option = {
tooltip: {
trigger: 'axis'
},

grid: {
left: '3%',
right: '4%',
bottom: '3%',
containLabel: true
},
toolbox: {
feature: {
saveAsImage: {}
}
},
xAxis: {
type: 'category',
boundaryGap: false,
data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
},
yAxis: {
type: 'value'
},
series: [
{
name: 'Email',
type: 'line',
stack: 'Total',
data: [120, 132, null, 134, null, 230, 210],
showSymbol:false
},

]
};

Current Behavior

https://echarts.apache.org/examples/zh/editor.html?c=line-stack&code=PYBwLglsB2AEC8sDeAoWszGAG0iAXMmuhgE4QDmFApqYQOQCGAHhAM73EC-ANGsRXIATQqhKxs1AGZgGAZgCk9PuPIUAFrNj0ALEpUkARsDCYAtvP3F0AYxhhGEaABlGh6tkJhSAV2rcDTBxjZlFrWClqRjAfUmow8XQ2RgA3agBBNgBJM0YaUS5wwvReYmZ01jYEkjAATxB47Rto6gpgUlrlcOMfaCFGDoBxRgIIxmw2agN0fodCAG16AFkYZW0AFT81-gB1aiFt9fUfbYAxcm2AZWir3voAXQDiWor2avQ6hoYU8a2npNoEGoVVg83CYkS0EYZka9AAorkINguokMPVYdgnNQUYk2A4bABrBjrEzjHHiWaMBYARgATAAGHiwalyWlM6A-bDYJksnTsznc2C0uSMoXU-n3aYkNjqYAAd0utTMxk8UnGkyKfGIjy4AG4gA

折线图 不连接 null 值，且showSymbol:false，当有点左右都为 null 值时这个点就看不见了只有 tooltip hover才展示

Expected Behavior

需要当某个点左右都为 null值时也能展示出来

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

No response

[echarts-bot]

@Pinkman-Xin It seems you are not using English, I've helped translate the content automatically. To make your issue understood by more people and get helped, we'd like to suggest using English next time. 🤗

TRANSLATED

TITLE

The line chart does not connect null values, and showSymbol:false. When both the left and right sides of a point are null values, the point will be invisible and will only be displayed on tooltip hover.

[helgasoft]

so you set showSymbol:false, but want to see some symbols ?! 🧐

[linghaoSu]

尝试给 showSymbol 加了一个 'single' 的值，当设置为 single 且 connectNulls 为 false，在当前 symbol 前后值为 null 时且 ，显示对应的 symbol，其他的 symbol 仅在 tooltip hover 时显示

#18815