1.声明接口 大写驼峰
interface TestProps {
_id:string,
name:string
}
2创建数组对象,每一项都是TestProps类型
const testData:TestProps[]=[{_id:'1',name:'a'},{_id:'12',name:'ab'},{_id:'123',name:'abc'},]
3.可索引的建 用方括号
创建对象数据,键值类型是string
const testData2:{[key:string]:TestProps}=
{
'2':{_id:'1',name:'a'},
'12':{_id:'1',name:'a'},
}
网友评论