求教一下大神这一段是什么意思？

Question

 Ext.Ajax.request({

                url: '/Login/CheckLogin',

                params: {

                    LogonName: LogonName,

                    PassWord: PassWord,

                    VerificationCode: VerificationCode

                },

                success: function (response) {

                    Ext.Msg.hide();

                    var model = Ext.JSON.decode(response.responseText)

                    if (model.IsSuccessful) {

                        Ext.Tools.Msg('登录成功', 0, '系统提示');

                        window.location.href = "/Home/Index";

                    } else {

                        var eorrMsg = document.getElementById("pwdEorr");

                        eorrMsg.style.display="block";

                        //Ext.Tools.Msg(model.Message, 1, '系统提示');

                        ResetVerificationCodeImg();

                    }

                },

                failure: function () {

                }

            });

        }

Answer 1

没有用过ext，不过看这架势应该是做登录用的，提交用户名密码和验证码，登录成功跳首页，登录失败刷新验证码

Answer 2

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