新建reactive对象
const info = reactive<{ name: string; age: string; gender: string }>({
name: '1',
age: '2',
gender: '3'
});
将info 赋为空(有局限性,适当修改)
const clear = () => {
const keys = Object.keys(info);
let obj: { [name: string]: string } = {};
keys.forEach((item) => {
obj[item] = '';
});
Object.assign(info, obj);
};