下面是一个使用Lazarus IDE开发的基本邮件客户端实现方案,包含收发邮件和编写邮件的核心功能。我们将使用Synapse库(跨平台的网络通信库)来处理邮件协议。
步骤1:安装依赖
-
安装Synapse库:
- 下载地址:https://sourceforge.net/projects/synalist/ , 下载 synalist-code-r278-trunk.zip
- 解压后,在Lazarus中:
Package>Open Package File> 选择synapse.lpk>Use>Install
-
安装OpenSSL库(用于加密连接):
- Windows:下载预编译的DLL(libeay32.dll和ssleay32.dll)并放在项目目录
- Linux:安装
openssl开发包(如sudo apt-get install libssl-dev)
步骤2:创建主窗体(frmMain)
unit mainform;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, Forms, Controls, Graphics, Dialogs, StdCtrls, ExtCtrls,
ComCtrls, Menus, smtpsend, pop3send, mimemess, mimepart, synautil;
type
TAccountSettings = record
SMTPHost: string;
SMTPPort: string;
POP3Host: string;
POP3Port: string;
Username: string;
Password: string;
end;
{ TfrmMain }
TfrmMain = class(TForm)
btnCompose: TButton;
btnRefresh: TButton;
lvEmails: TListView;
memBody: TMemo;
MenuItem1: TMenuItem;
MenuItem2: TMenuItem;
Panel1: TPanel;
Panel2: TPanel;
pmEmail: TPopupMenu;
Splitter1: TSplitter;
procedure btnComposeClick(Sender: TObject);
procedure btnRefreshClick(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure lvEmailsSelectItem(Sender: TObject; Item: TListItem; Selected: Boolean);
private
FAccount: TAccountSettings;
proced

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