首先确认
this.$refs[formName].validate((valid) => {
$ref 和 $refs 中名称相同
<ContentsUp ref="ContentsUp" :keyItemUrl="keyItem"/>
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this.$refs.ContentsUp.clickData();
然后添加$nextTick
this.$nextTick(function () {
this.$refs.ContentsUp.clickData();
});
此时修复报错！Error in v-on handler: "TypeError: Cannot read property 'clickData' of undefined"
原文：https://www.cnblogs.com/qiangqiangpeng/p/13884242.html