【备忘录】input readonly有光标闪烁

input:read-only, 
textarea:read-only,
[contenteditable]:read-only {
  cursor: not-allowed;
}

<input ref="datePicker" readonly @click="openPicker()" data-vv-validate-on="change">

// in openPicker
this.$refs.datePicker.blur();

 触发失去焦点事件