Java可视化编程---SendMail工具的开发
介绍:
SendMail是一款简便的163邮箱发件工具
利用了163的SMTP接口来发送邮件
版本号:SendMail v1.0
在编写发送邮件工具之前,还需要安装 JavaMail API 和Java Activation Framework (JAF) 两个jar包
下载链接:https://files.cnblogs.com/files/wh4am1/mailAPI.zip
整体程序的逻辑构造如下
思路出来后,我们就利用eclipse IDE集成开发工具定制一个程序大概的框架
关于eclipse的可视化编程,可以使用windowbuilder插件:https://blog.csdn.net/jason0539/article/details/21219043
首先做出一个登陆窗口,是由一个账号编辑框、一个密码编辑框和按钮组成
![](https://images.cnblogs.com/OutliningIndicators/ContractedBlock.gif)
import java.awt.EventQueue; import javax.swing.JFrame; import javax.swing.JOptionPane; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import java.util.Properties; import javax.mail.*; import com.sun.mail.util.MailSSLSocketFactory; import java.awt.Button; import javax.swing.JPasswordField; import javax.swing.JTextField; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.security.GeneralSecurityException; import javax.swing.JLabel; public class mailSend extends JFrame { /** * */ private static final long serialVersionUID = 1L; private JPanel contentPane; private JTextField Username; private JPasswordField Password; private JLabel lblUsername; private JLabel lblPassword; private JLabel lblwham; /** * Launch the application. */ public static void main(String[] args) { EventQueue.invokeLater(new Runnable() { public void run() { try { mailSend frame = new mailSend(); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); } class SimpleAuthenticator extends Authenticator { private String user; private String pwd; public SimpleAuthenticator(String user, String pwd) { this.user = user; this.pwd = pwd; } protected PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(user, pwd); } } /** * Create the frame. * @throws GeneralSecurityException * @throws NoSuchProviderException */ public mailSend() throws Exception { Properties prop = new Properties(); prop.setProperty("mail.host", "smtp.163.com"); prop.setProperty("mail.transport.protocol","smtp"); prop.setProperty("mail.smtp.auth","true"); //开启SSL加密,不然会失败 MailSSLSocketFactory sf = new MailSSLSocketFactory(); sf.setTrustAllHosts(true); prop.put("mail.smtp.ssl.enable", "true"); prop.put("mail.smtp.ssl.socketFactory", sf); setTitle("SendMila v1.0"); setResizable(false); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(100, 100, 415, 300); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); contentPane.setLayout(null); Button button = new Button("\u767B\u5F55"); button.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { try { Session session = Session.getInstance(prop,new SimpleAuthenticator(Username.getText(),new String(Password.getPassword())));//测试邮件登陆 Transport ts = session.getTransport(); ts.connect(); EventQueue.invokeLater(new Runnable() { public void run() { try { SendText frame = new SendText(session,Username.getText()); frame.setVisible(true); } catch (Exception e) { e.printStackTrace(); } } }); }catch(AuthenticationFailedException e1) { JOptionPane.showMessageDialog(null, "用户名或者密码错误!", "ERROR", JOptionPane.ERROR_MESSAGE); } catch (NoSuchProviderException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (MessagingException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } //frame1.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } }); button.setBounds(169, 156, 87, 25); contentPane.add(button); Username = new JTextField(); Username.setBounds(131, 41, 212, 25); contentPane.add(Username); Username.setColumns(10); Password = new JPasswordField(); Password.setBounds(131, 96, 212, 24); contentPane.add(Password); lblUsername = new JLabel("Username"); lblUsername.setBounds(34, 44, 72, 18); contentPane.add(lblUsername); lblPassword = new JLabel("Password"); lblPassword.setBounds(34, 99, 72, 18); contentPane.add(lblPassword); lblwham = new JLabel("\u4F5C\u8005:wh4am1 QQ:1976604307"); lblwham.setBounds(232, 247, 198, 18); contentPane.add(lblwham); } }
源代码如上
其中,账号密码通过PasswordAuthentication类型返回
再传入session中去
再new一个Transpor对象来装入session
接下来就是链接SMTP来判断账号密码的正确
利用Transport对象的connect去链接
若验证失败,则会返回一个AuthenticationFailedException异常
这时候我们可以用try-catch来捕获这个异常
看完我们的代码就可以发现,我们在connect后面,还有一个新的对象建立
学过Jframe的人就知道,这是新建了一个窗口
而这个窗口类就是SendText
而新建的窗口,就是我们登陆成功后,编写邮件正文的窗口
代码如下
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import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.border.EmptyBorder; import javax.swing.JTextArea; import java.awt.event.WindowAdapter; import java.awt.event.WindowEvent; import javax.swing.JPopupMenu; import java.awt.Component; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import javax.swing.JMenuItem; import javax.swing.JOptionPane; import java.awt.event.ActionListener; import java.awt.event.ActionEvent; import javax.swing.JScrollPane; import javax.mail.Message; import javax.mail.MessagingException; import javax.mail.NoSuchProviderException; import javax.mail.Session; import javax.mail.Transport; import javax.mail.internet.InternetAddress; import javax.mail.internet.MimeMessage; import javax.swing.JLabel; import javax.swing.JTextField; import javax.swing.JButton; public class SendText extends JFrame { /** * */ private static final long serialVersionUID = 1L; private JPanel contentPane; private JTextField textField; private Session session; private Transport ts; private String Forme; private JTextField textField_1; /** * Launch the application. */ // public static void main(String[] args) { // EventQueue.invokeLater(new Runnable() { // public void run() { // try { // SendText frame = new SendText(); // frame.setVisible(true); // } catch (Exception e) { // e.printStackTrace(); // } // } // }); // } public static MimeMessage creatMail(Session session,String Forme,String toe,String title,String text) throws Exception { MimeMessage message = new MimeMessage(session); message.setFrom(new InternetAddress(Forme)); message.setRecipient(Message.RecipientType.TO, new InternetAddress(toe)); message.setSubject(title); message.setText(text); //message.setContent("<h1>Hello,World!</h1>","text/html"); return message; } /** * Create the frame. * @throws NoSuchProviderException */ public SendText(Session s,String forme) throws Exception { this.session = s; this.Forme = forme; this.ts = session.getTransport(); addWindowListener(new WindowAdapter() { @Override public void windowClosed(WindowEvent e) { dispose(); } }); setTitle("SendText"); setResizable(false); //setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setBounds(200, 300, 510, 450); contentPane = new JPanel(); contentPane.setBorder(new EmptyBorder(5, 5, 5, 5)); setContentPane(contentPane); contentPane.setLayout(null); JTextArea textArea = new JTextArea(); textArea.setLineWrap(true); JPopupMenu popupMenu = new JPopupMenu(); addPopup(textArea, popupMenu); JMenuItem mntmCopy = new JMenuItem("\u590D\u5236"); mntmCopy.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textArea.copy(); } }); popupMenu.add(mntmCopy); JMenuItem menuItem = new JMenuItem("\u7C98\u8D34"); menuItem.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textArea.paste(); } }); popupMenu.add(menuItem); JScrollPane scrollPane = new JScrollPane(textArea); scrollPane.setBounds(0, 13, 492, 227); contentPane.add(scrollPane); JLabel lblSendTo = new JLabel("Send to"); lblSendTo.setBounds(83, 301, 72, 18); contentPane.add(lblSendTo); textField = new JTextField(); textField.setBounds(159, 298, 198, 24); contentPane.add(textField); textField.setColumns(10); JPopupMenu popupMenu_1 = new JPopupMenu(); addPopup(textField, popupMenu_1); JMenuItem menuItem_1 = new JMenuItem("\u590D\u5236"); menuItem_1.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField.copy(); } }); popupMenu_1.add(menuItem_1); JMenuItem menuItem_2 = new JMenuItem("\u7C98\u8D34"); menuItem_2.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField.paste(); } }); popupMenu_1.add(menuItem_2); JButton btnSend = new JButton("Send"); btnSend.addMouseListener(new MouseAdapter() { @Override public void mouseClicked(MouseEvent e) { try { ts.connect(); JOptionPane.showMessageDialog(null, "邮件已成功发送!", "Message", JOptionPane.INFORMATION_MESSAGE); Message message = creatMail(session,Forme,textField.getText(),textField_1.getText(),textArea.getText()); ts.sendMessage(message, message.getAllRecipients()); } catch (MessagingException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } try { ts.close(); } catch (MessagingException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } } }); btnSend.setBounds(169, 351, 113, 27); contentPane.add(btnSend); JLabel lblMailTitle = new JLabel(" Mail title "); lblMailTitle.setBounds(61, 270, 96, 18); contentPane.add(lblMailTitle); textField_1 = new JTextField(); textField_1.setColumns(10); textField_1.setBounds(159, 267, 198, 24); contentPane.add(textField_1); JPopupMenu popupMenu_2 = new JPopupMenu(); addPopup(textField_1, popupMenu_2); JMenuItem menuItem_3 = new JMenuItem("\u590D\u5236"); menuItem_3.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_1.copy(); } }); popupMenu_2.add(menuItem_3); JMenuItem menuItem_4 = new JMenuItem("\u7C98\u8D34"); menuItem_4.addActionListener(new ActionListener() { public void actionPerformed(ActionEvent e) { textField_1.paste(); } }); popupMenu_2.add(menuItem_4); } private static void addPopup(Component component, final JPopupMenu popup) { component.addMouseListener(new MouseAdapter() { public void mousePressed(MouseEvent e) { if (e.isPopupTrigger()) { showMenu(e); } } public void mouseReleased(MouseEvent e) { if (e.isPopupTrigger()) { showMenu(e); } } private void showMenu(MouseEvent e) { popup.show(e.getComponent(), e.getX(), e.getY()); } }); } }
竟然前面的窗口我们能登陆成功,那么我们接下来要做的就是发送邮件
聪明的人就知道,我在创建窗口的时候传入了两个参数
这样做的好处就是不需要在这个窗口又建一遍session,而后面的String,是为了不让发件者再输入一遍自己的邮箱
万事俱备,我们就准备发件
跳过去看看
可以看到这又是一个链接,但这次链接不一样,后面建立了一个Message类,并调用了creatMail方法
转过去看之后发现,这时设置邮件正文和标题的方法
并最后用sendMessage方法发送邮件
下面就将整个工程打包jar
首先打开工程-〉鼠标右键选中Export
然后再选择
Next
至此,程序整体逻辑已完结。
下面附上测试效果。
如果邮件里面没有看到邮件,可以看看是不是SMTP协议没开,获知是在垃圾箱里。