334 lines
12 KiB
C#
334 lines
12 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.Threading;
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using Newtonsoft.Json.Linq;
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using HslCommunication;
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using CommonLibrary;
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using HslCommunication.BasicFramework;
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using ClientsLibrary;
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namespace 软件系统客户端模版
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{
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//=================================================================================================
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// 登录窗口，此处实现了一些常用的代码，具体的版本号验证及账户验证需要根据实际需求实现
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//=================================================================================================
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public partial class FormLogin : Form
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{
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public FormLogin()
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{
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InitializeComponent();
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}
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#region 窗口属性及方法
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/// <summary>
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/// 指示窗体是否已经显示
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/// </summary>
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private bool IsWindowShow { get; set; } = false;
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private void FormLogin_Load(object sender, EventArgs e)
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{
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label_status.Visible = false;
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UserClient.JsonSettings.FileSavePath = Application.StartupPath + @"\JsonSettings.txt";
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UserClient.JsonSettings.LoadByFile();//根据实际实际情况选中解密算法，默认采用DES加密解密算法
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label_version.Text = "版本：" + UserClient.CurrentVersion.ToString();
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label2.Text = CommonLibrary.Resource.StringResouce.SoftName;
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label_copyright.Text = $"本软件著作权归{CommonLibrary.Resource.StringResouce.SoftCopyRight}所有";
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}
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private void FormLogin_Shown(object sender, EventArgs e)
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{
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IsWindowShow = true;
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//如果七天未登录，账户密码清除
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if ((DateTime.Now - UserClient.JsonSettings.LoginTime).TotalDays < 7)
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{
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//加载数据
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textBox_userName.Text = UserClient.JsonSettings.LoginName ?? "";
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textBox_password.Text = UserClient.JsonSettings.Password ?? "";
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checkBox_remeber.Checked = UserClient.JsonSettings.Password != "";
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}
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//初始化输入焦点
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if (UserClient.JsonSettings.Password != "") userButton_login.Focus();
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else if (UserClient.JsonSettings.LoginName != "") textBox_password.Focus();
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else textBox_userName.Focus();
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}
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private void FormLogin_FormClosing(object sender, FormClosingEventArgs e)
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{
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//退出
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IsWindowShow = false;
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//延时
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Thread.Sleep(100);
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}
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#endregion
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#region 界面逻辑块
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private void textBox_userName_KeyDown(object sender, KeyEventArgs e)
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{
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if (e.KeyCode == Keys.Enter) textBox_password.Focus();
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}
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private void textBox_password_KeyDown(object sender, KeyEventArgs e)
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{
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if (e.KeyCode == Keys.Enter) userButton_login.PerformClick();
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}
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private void userButton_login_Click(object sender, EventArgs e)
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{
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label_status.Visible = true;
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//验证输入
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if (string.IsNullOrEmpty(textBox_userName.Text))
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{
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label_status.Text = "请输入用户名";
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textBox_userName.Focus();
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return;
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}
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if(string.IsNullOrEmpty(textBox_password.Text))
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{
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label_status.Text = "请输入密码";
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textBox_password.Focus();
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return;
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}
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label_status.Text = "正在验证维护状态...";
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UISettings(false);
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ThreadAccountLogin = new Thread(ThreadCheckAccount);
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ThreadAccountLogin.IsBackground = true;
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ThreadAccountLogin.Start();
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}
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/// <summary>
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/// 界面的UI使能操作
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/// </summary>
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/// <param name="enable">值</param>
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private void UISettings(bool enable)
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{
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textBox_userName.Enabled = enable;
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textBox_password.Enabled = enable;
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userButton_login.Enabled = enable;
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checkBox_remeber.Enabled = enable;
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}
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#endregion
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#region 账户验证的逻辑块
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/// <summary>
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/// 用于验证的后台线程
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/// </summary>
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private Thread ThreadAccountLogin = null;
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/// <summary>
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/// 用户账户验证的后台端
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/// </summary>
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private void ThreadCheckAccount()
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{
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//定义委托
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Action<string> message_show = delegate (string message)
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{
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label_status.Text = message;
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};
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Action start_update = delegate
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{
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//需要该exe支持，否则将无法是实现自动版本控制
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string update_file_name = Application.StartupPath + @"\软件自动更新.exe";
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try
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{
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System.Diagnostics.Process.Start(update_file_name);
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Environment.Exit(0);//退出系统
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}
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catch
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{
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MessageBox.Show("更新程序启动失败，请检查文件是否丢失，联系管理员获取。");
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}
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};
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Action thread_finish = delegate
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{
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UISettings(true);
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};
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//延时
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Thread.Sleep(200);
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//请求指令头数据，该数据需要更具实际情况更改
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OperateResultString result = UserClient.Net_simplify_client.ReadFromServer(CommonLibrary.CommonHeadCode.SimplifyHeadCode.维护检查);
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if(result.IsSuccess)
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{
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byte[] temp = Encoding.Unicode.GetBytes(result.Content);
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//例如返回结果为1说明允许登录，0则说明服务器处于维护中，并将信息显示
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if (result.Content != "1")
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{
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if (IsHandleCreated) Invoke(message_show, result.Content.Substring(1));
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if (IsHandleCreated) Invoke(thread_finish);
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return;
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}
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}
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else
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{
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//访问失败
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if (IsHandleCreated) Invoke(message_show, result.Message);
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if (IsHandleCreated) Invoke(thread_finish);
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return;
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}
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//检查账户
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if (IsHandleCreated) Invoke(message_show, "正在检查账户...");
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else return;
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//延时
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Thread.Sleep(200);
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//===================================================================================
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// 根据实际情况校验，选择数据库校验或是将用户名密码发至服务器校验
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// 以下展示了服务器校验的方法，如您需要数据库校验，请删除下面并改成SQL访问验证的方式
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//包装数据
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JObject json = new JObject
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{
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{ UserAccount.UserNameText, new JValue(textBox_userName.Text) },
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{ UserAccount.PasswordText, new JValue(textBox_password.Text) },
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{ UserAccount.LoginWayText, new JValue("winform") }
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};
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result = UserClient.Net_simplify_client.ReadFromServer(CommonLibrary.CommonHeadCode.SimplifyHeadCode.账户检查, json.ToString());
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if (result.IsSuccess)
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{
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//服务器应该返回账户的信息
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UserAccount account = JObject.Parse(result.Content).ToObject<UserAccount>();
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if(!account.LoginEnable)
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{
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//不允许登录
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if (IsHandleCreated) Invoke(message_show, account.ForbidMessage);
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if (IsHandleCreated) Invoke(thread_finish);
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return;
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}
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UserClient.UserAccount = account;
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}
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else
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{
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//访问失败
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if (IsHandleCreated) Invoke(message_show, result.Message);
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if (IsHandleCreated) Invoke(thread_finish);
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return;
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}
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//登录成功，进行保存用户名称和密码
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UserClient.JsonSettings.LoginName = textBox_userName.Text;
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UserClient.JsonSettings.Password = checkBox_remeber.Checked ? textBox_password.Text : "";
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UserClient.JsonSettings.LoginTime = DateTime.Now;
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UserClient.JsonSettings.SaveToFile();
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//版本验证
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if (IsHandleCreated) Invoke(message_show, "正在验证版本...");
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else return;
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//延时
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Thread.Sleep(200);
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result = UserClient.Net_simplify_client.ReadFromServer(CommonLibrary.CommonHeadCode.SimplifyHeadCode.更新检查);
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if (result.IsSuccess)
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{
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//服务器应该返回服务器的版本号
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SystemVersion sv = new SystemVersion(result.Content);
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//系统账户跳过低版本检测
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if (UserClient.UserAccount.UserName != "admin")
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{
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if (UserClient.CurrentVersion != sv)
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{
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//保存新版本信息
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UserClient.JsonSettings.IsNewVersionRunning = true;
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UserClient.JsonSettings.SaveToFile();
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//和当前系统版本号不一致，启动更新
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if (IsHandleCreated) Invoke(start_update);
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return;
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}
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}
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else
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{
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if (UserClient.CurrentVersion < sv)
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{
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//保存新版本信息
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UserClient.JsonSettings.IsNewVersionRunning = true;
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UserClient.JsonSettings.SaveToFile();
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//和当前系统版本号不一致，启动更新
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if (IsHandleCreated) Invoke(start_update);
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return;
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}
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}
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}
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else
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{
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//访问失败
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if (IsHandleCreated) Invoke(message_show, result.Message);
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if (IsHandleCreated) Invoke(thread_finish);
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return;
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}
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//================================================================================
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//验证结束后，根据需要是否下载服务器的数据，或是等到进入主窗口下载也可以
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//如果有参数决定主窗口的显示方式，那么必要在下面向服务器请求数据
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//以下展示了初始化参数的功能
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if (IsHandleCreated) Invoke(message_show, "正在下载参数...");
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else return;
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//延时
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Thread.Sleep(200);
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result = UserClient.Net_simplify_client.ReadFromServer(CommonLibrary.CommonHeadCode.SimplifyHeadCode.参数下载);
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if(result.IsSuccess)
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{
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//服务器返回初始化的数据，此处进行数据的提取，有可能包含了多个数据
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json = Newtonsoft.Json.Linq.JObject.Parse(result.Content);
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//例如公告数据
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UserClient.Announcement = SoftBasic.GetValueFromJsonObject(json, nameof(UserClient.Announcement), "");
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}
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else
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{
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//访问失败
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if (IsHandleCreated) Invoke(message_show, result.Message);
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if (IsHandleCreated) Invoke(thread_finish);
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return;
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}
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//启动主窗口
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if (IsHandleCreated) Invoke(new Action(() =>
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{
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DialogResult = DialogResult.OK;
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return;
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}));
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}
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#endregion
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}
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}
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