堆叠柱状图在dataset数据源下值为0时label出现重叠，如何不显示其中某些数据的label

[charon316]

• I am using English in this issue. 在这个 Issue 中我使用了英文（强烈建议）。

General Questions

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• Required: one sentence description in issue details；（必填）一句话的问题描述
• Required: demo；（必填）能反映问题的例子（如果你想提问或报 bug）
• Required: ECharts version；ECharts 版本

Issue Type

• I have a question to ask about how to use ECharts to ...；我想提问如何使用 ECharts 实现某功能
• I have a bug to report；我想要报 bug
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Issue Details

堆叠柱状图在使用dataset作为数据源时，当某一项的值为0时，该项的label与前一数据的label重叠的情况。能否在页面上不显示为0的label？

Expected Behavior

数据为0时，label不显示。（tooltip中依旧可以看到为0的项）

Current Behavior

堆叠柱状图在使用dataset作为数据源时，当某一项的值为0时，该项的label与前一数据的label重叠。

Online Example

THIS IS REQUIRED FOR ALL BUG REPORTS AND QUESTIONS!!! 如果是提问或报 bug 一定要提供这一项！

demo链接

有尝试在label的formmater中进行手动控制返回，但是没有生效。
formatter: function(data) {
for(let i in data.data) {
if (typeof i==='number') {
if (i>0) {
return i;
}
return '';
}
return i;
}
}

Topics

• Legend
• Tooltip
• Event
• Performance
• SVG
• Map
• ECharts GL
• Third-party libraries, e.g.: Vue.js, React

Anything Else We Need to Know

issue #5657 提到了类似的问题，但是没有提供解法就关闭掉了。

Environment

• ECharts version；ECharts 版本: 4.x

• It happens only on certain browsers or operating systems. 对于特定浏览器或操作系统才会出现的问题，请提供相应环境信息：{BROWSER_VERSION_OR_OS_INFORMATION_HERE}

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[github-actions]

This issue has been automatically closed because it did not have recent activity. If this remains to be a problem with the latest version of Apache ECharts, please open a new issue and link this to it. Thanks!