localstorage

###缓存处理
function setStroage(key, value) {
var user = JSON.parse(localStorage.getItem(‘userinfo’)) || {};
user[key] = value;
localStorage.setItem(‘userinfo’, JSON.stringify(user));
}
function getStroage(key) {
var data = JSON.parse(localStorage.getItem(‘userinfo’));
if (data) {
return data[key];
}
}
function deleteStroage() {
localStorage.removeItem(‘userinfo’);
}