Html: TS: import { ref } from 'vue'; export default { setup() { const columns = [ { text: '杭州', value: 'Hangzhou' }, { text: '宁波', value: 'Ningbo' }, { text: '温州', value: 'Wenzhou' }, { text: '绍兴', value: 'Shaoxing' }, { text: '湖州', value: 'Huzhou' }, ]; const fieldValue = ref(''); const showPicker = ref(false); const onConfirm = ({ selectedOptions }) => { showPicker.value = false; fieldValue.value = selectedOptions[0].text; }; return { columns, onConfirm, fieldValue, showPicker, }; }, }; columns的值只能是数组对象吗?支持字符串数组格式吗? 比如columns = ["sttrig","number"]这种格式 columns的值只能是数组对象吗?支持字符串数组格式吗? 比如columns = ["sttrig","number"]这种格式