(function () { var token = localStorage.getItem(Config.tokenName); Config.token = token; if (token === null) { alert('您还没有登录!'); location.href = 'login.html'; return; } $.ajaxSetup({headers: {Authorization: token}}); $.get(Config.api + 'test').fail(function(xhr) { var data = JSON.parse(xhr.responseText); if (data.error === 'auth') { alert(data.msg + '。\n\n请重新登录!\n'); location.href = 'login.html'; } }); })();