1.为多选框时:a-checkbox-group或者双向绑定时数组时
//赋值时
this.$set(this.form, 'invoiceTypeList', val)
this.$forceUpdate()
//清空校验时
this.$refs['ruleForm'].validateField('invoiceTypeList') //解决校验不消失的问题
2.为输入框时:a-input
this.$refs['ruleForm'].validateField('inputValue') //解决校验不立即消失的问题