简单的登陆检测

export default function useCheckLogin(){
const [loginstate,setLoginState]=useState(false);
    let username=localStorage.getItem('user');
    if(username!=null||username!=''){
        setLoginState(true)
    }
const history=useHistory();
if(!loginstate){
    history.push("/");
}
}

标签：username,loginstate,const,setLoginState,检测,登陆,简单,false,history
来源： https://www.cnblogs.com/Jarsmine/p/16395292.html