var viewModel = function () {
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var self = this;
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//窗体对象
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//observable在Knockoutjs中属于一个核心功能，在做监控数据的改变时，必须要用到 ko.observable的监控属性
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//
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this.form = {
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usercode: ko.observable(),
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password: ko.observable(),
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checkCode: ko.observable(),
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remember: ko.observable(false),
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ip: null,
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city: null
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};
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this.message = ko.observable();
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//事件
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this.loginClick = function (form) {
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var data = (new Function("", "return " + ko.toJSON(self.form)))();
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if (data.usercode == undefined || $.trim(data.usercode) == "") {
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$("#txtEmName").alert('请输入登录帐号！', { alertClass: 'corner', focus: true, position: 'top' });
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createCode();
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return false;
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}
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if (data.password == undefined || $.trim(data.password) == "") {
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$("#txtEmPwd").alert('请输入用户密码！', { alertClass: 'corner', focus: true, position: 'top' });
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createCode();
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return false;
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}
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//暂时不启用验证码验证，客户部署后请取消下列代码注释
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////验证码是否正确
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//var txtverify = $("#checkCode").text();
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////不匹配
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//if (txtverify != data.checkCode) {
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// $("#txtverify").alert('验证码不正确！', { alertClass: 'corner', position: 'top' });
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// createCode();
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// return false;
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//}
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$.ajax({
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type: "POST",
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url: "/login/doAction",
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data: ko.toJSON(self.form),
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dataType: "json",
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contentType: "application/json",
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success: function (d) {
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if (d.status == '0') {
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window.location.href = '/Home';
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}
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else {
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if (d.status == "1") {
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$(form).find("input.login_button").val("登录");
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$("#txtEmName").alert(d.message, { alertClass: 'corner', focus: true, position: 'top' });
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return false;
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}
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if (d.status == "2") {
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$(form).find("input.login_button").val("登录");
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$("#txtEmPwd").alert(d.message, { alertClass: 'corner', focus: true, position: 'top' });
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return false;
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}
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}
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},
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error: function (e) {
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self.message(e.responseText);
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},
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beforeSend: function () {
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$(form).find("input").attr("disabled", true);
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$(form).find("input.login_button").val("登录中，请稍候...");
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},
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complete: function () {
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$(form).find("input").attr("disabled", false);
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}
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});
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};
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//重置事件
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this.resetClick = function () {
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self.form.usercode("");
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self.form.password("");
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self.form.remember(false);
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};
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};
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//// Knockout调用applyBindings激活viewModel（即把viewModel和View中的声明式绑定data-bind关联起来）
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$(function () {
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createCode();
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ko.applyBindings(new viewModel());
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});
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//生成验证码
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function createCode() {
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var code = "";
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var codeLength = 4; //验证码的长度
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var checkCode = document.getElementById("checkCode");
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if (null != checkCode) {
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checkCode.value = "";
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var selectChar = new Array(2, 3, 4, 5, 6, 7, 8, 9, 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'J', 'K', 'L', 'M', 'N', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z');
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for (var i = 0; i < codeLength; i++) {
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var charIndex = Math.floor(Math.random() * 32);
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code += selectChar[charIndex];
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}
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if (code.length != codeLength) {
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createCode();
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}
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$("#checkCode").html(code);
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}
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}
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