获取table中选中行的长度

[Stars-Star]

• I have searched the issues of this repository and believe that this is not a duplicate.

What problem does this feature solve?

获取table选中行的长度，判断长度值。

What does the proposed API look like?

this.$refs.selectedRowKeys.length

[zkwolf]

可以自己定义一个selectedRowKeys在onChange的时候赋值就行，参考

https://antdv.com/components/table-cn/#%E9%80%89%E6%8B%A9%E5%92%8C%E6%93%8D%E4%BD%9C

[Stars-Star]

可以自己定义一个selectedRowKeys在onChange的时候赋值就行，参考

https://antdv.com/components/table-cn/#%E9%80%89%E6%8B%A9%E5%92%8C%E6%93%8D%E4%BD%9C

我尝试着在computed中写了如下内容 ：
computed: {
rowSelection() {
return {
// 在model层改变当前页，传给后台更新当前页数据.
onChange: (selectedRowKeys, selectedRows) => {
this.selectedRowKeys = selectedRowKeys;
console.log(selectedRowKeys------: ${this.selectedRowKeys});
this.$message.success(JSON.stringify(selectedRows));
},
getCheckboxProps: record => ({
props:{
defaultChecked: record.name=== this.tabledata[0].name
},
name: record.name,
}),
};
},
},
在methods中写了如下内容：
editShowModal(){
if (this.$refs.selectedRowKeys.length === 0) {
this.$message.warning('请至少选择一条要编辑的数据');
return false;
} else {
this.editvisible = true;
}
},
但是，我不知道该如何整才能在editShowModal获取onChange中的selectedRowKeys，或是在onChange中获取editShowModal中的内容。

[github-actions]

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