


Javascript code case sharing for realizing login and remembering username and password function
This article mainly introduces the code for Javascript to realize the function of logging in and remembering username and password. Has very good reference value. Let’s take a look with the editor below
Without further ado, please look at the code:
<script type="text/javascript"> $(document).ready(function () { $("#UserAccount").focus(); //记住用户名和密码 $('#remebers').click(function () { if ($("#UserAccount").val() == "") { alert("用户名不能为空!"); } if($("#UserPassword").val() == "") { alert("密码不能为空!"); } else { if ($('#remebers').attr("checked")) { setCookie("uname", $("#UserAccount").val(), 60); setCookie("upwd", $("#UserPassword").val(), 60); } else { delCookie("uname"); delCookie("upwd"); } } }); if (getCookie("uname") != null) { $('#remebers').attr("checked", "checked"); $('#UserAccount').val(getCookie("uname")); $('#UserPassword').val(getCookie("upwd")); } }) //写cookies function setCookie(name, value) { var Days = 30; var exp = new Date(); exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000); document.cookie = name + "=" + escape(value) + ";expires=" + exp.toGMTString(); } //读取cookies function getCookie(name) { var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)"); if (arr = document.cookie.match(reg)) return unescape(arr[2]); else return null; } //删除cookies function delCookie(name) { var exp = new Date(); exp.setTime(exp.getTime() - 1); var cval = getCookie(name); if (cval != null) document.cookie = name + "=" + cval + ";expires=" + exp.toGMTString(); } </script> <p class="main"> <section id="login_form"> @using (Html.BeginForm("Login", "Account", new { ReturnUrl = ViewBag.ReturnUrl }, FormMethod.Post)) { @Html.AntiForgeryToken() @Html.ValidationSummary(true) <table> <tr> <td align="right">账 号:</td> <td align="left"> <input type="text" id="UserAccount" name="UserAccount" /> @Html.ValidationMessageFor(m => m.UserAccount)</td> </tr> <tr> <td align="right">密 码:</td> <td align="left"> <input type="password" id="UserPassword" name="UserPassword" /> @Html.ValidationMessageFor(m => m.UserPassword) </td> </tr> <tr> <td></td> <td align="left"> <input name="remebers" id="remebers" type="checkbox" /> <span style="color:#4a4949">记住用户名和密码</span> </td> </tr> <tr> <td></td> <td align="left"> <input type="submit" name="submit" id="submit" value="" style=" background: url(../../Images/Login/login_submit.jpg) no-repeat; height: 25px; width: 59px; " /> <input type="reset" name="reset" id="reset" value="" style="background: url(../../Images/Login/login_reset.jpg) no-repeat; height: 25px; width: 59px; " /> </td> </tr> </table> } </section> <p class="note"> * 不要在公共场合保存登录信息;<br /> * 为了保证您的帐号安全,退出系统时请注销登录 <span id="msg_tip"></span> </p> </p>
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