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el-tree增加虚拟滚动后,node-expand不触发,去掉虚拟(不传height)就正常触发 #86

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sinkxy opened this issue Apr 16, 2021 · 3 comments
Open

el-tree增加虚拟滚动后,node-expand不触发,去掉虚拟(不传height)就正常触发 #86

sinkxy opened this issue Apr 16, 2021 · 3 comments

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@sinkxy
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sinkxy commented Apr 16, 2021

Describe the bug

A clear and concise description of what the bug is.

Screenshots

If applicable, add screenshots to help explain your problem.

To Reproduce

Steps to reproduce the behavior:

  1. Go to '...'
  2. Click on '....'
  3. Scroll down to '....'
  4. See error

Expected behavior

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environment information

  • Version [e.g. 22]
  • OS: [e.g. iOS]
  • Browser [e.g. chrome, safari]
@konnga
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konnga commented May 27, 2021

请问你解决这个问题了吗？

@ab690257072
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可能作者忘了实现这个功能：

/* tree-virtual-node.vue */
props: {
  // ...
  onNodeExpand: Function
},
/* mixin/node.js */
handleExpandIconClick() {
  // ...
  if (this.expanded) {
    // ...
  } else {
    // ...
    /* add this line. */
    this.onNodeExpand && this.onNodeExpand(node.data, node, this);
  }
},

@konnga
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konnga commented Jul 28, 2021

可能作者忘了实现这个功能：

/* tree-virtual-node.vue */
props: {
  // ...
  onNodeExpand: Function
},
/* mixin/node.js */
handleExpandIconClick() {
  // ...
  if (this.expanded) {
    // ...
  } else {
    // ...
    /* add this line. */
    this.onNodeExpand && this.onNodeExpand(node.data, node, this);
  }
},

害，我也加了这个代码，点击展开，依然没有出现子节点

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3 participants
@konnga @ab690257072 @sinkxy