一,存一個元素:localStorage.setItem
window.localStorage.setItem('cz_status','待支付');

取一個元素:localStorage.getItem
var zfStatus=window.localStorage.getItem('cz_status');

二,存一個數組:localStorage.setItem('key',JSON.stringify(arr);
var localSet = [{'cc':'ok'},{'cb':'kn'}]; window.localStorage.setItem('youyou',JSON.stringify(localSet));

取一個數組:localStorage.setItem('key',JSON.stringify(arr);
JSON.parse(window.localStorage.getItem("youyou"))

三,清除指定緩存:window.localStorage.removeItem('pri');
清除所有緩存:window.localStorage.clear();
