Array.prototype.indexOf = function (val) { for (var i = 0; i < this.length; i++) { if (this[i] == val) return i; } return -1; }; Array.prototype.remove = function (val) { var index = this.indexOf(val); if (index > -1) { this.splice(index, 1); } }; var token = localStorage.getItem("token"); if (token) { $.get("/user/isLogin", {"token": token}, function (data) { if (data.code != 1) {//未登录 localStorage.removeItem("token"); } }) } function readHistory() { var books = localStorage.getItem("historyBooks"); var bookIds = "-1929"; if (books) { bookIds = JSON.parse(localStorage.getItem("historyBooks")).join(","); } window.location.href = "/book/search?historyBookIds=" + bookIds; }; function getQueryVariable(variable) { var query = window.location.search.substring(1); var vars = query.split("&"); for (var i = 0; i < vars.length; i++) { var pair = vars[i].split("="); if (pair[0] == variable) { return pair[1]; } } return (false); }