Java 为什么它不发送电子邮件?
我的代码是关于在后台发送电子邮件。我曾经尝试过这个代码(来自stackoverflow),但它不起作用Java 为什么它不发送电子邮件?,java,php,android,Java,Php,Android,我的代码是关于在后台发送电子邮件。我曾经尝试过这个代码(来自stackoverflow),但它不起作用 public class MainActivity extends Activity { EditText email; @Override protected void onCreate(Bundle icicle) { super.onCreate(icicle); setContentView(R.layout.activity_main); email =
public class MainActivity extends Activity {
EditText email;
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.activity_main);
email = (EditText) findViewById(R.id.editText1);
Button addImage = (Button) findViewById(R.id.send_email);
addImage.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
new SendEmailAsyncTask().execute();
}
class SendEmailAsyncTask extends AsyncTask <Void, Void, Boolean> {
Mail m = new Mail("gmailusername@gmail.com", "password");
public SendEmailAsyncTask() {
if (BuildConfig.DEBUG)
Log.v(SendEmailAsyncTask.class.getName(), "SendEmailAsyncTask()");
String[] toArr = { "bla@bla.com", "lala@lala.com"};
m.setTo(toArr);
m.setFrom("wooo@wooo.com");
m.setSubject("Email from Android");
m.setBody("body.");
}
@Override
protected Boolean doInBackground(Void... params) {
if (BuildConfig.DEBUG)
Log.v(SendEmailAsyncTask.class.getName(), "doInBackground()");
try {
m.send();
return true;
} catch (AuthenticationFailedException e) {
Log.e(SendEmailAsyncTask.class.getName(), "Bad account
details");
e.printStackTrace();
return false;
} catch (MessagingException e) {
Log.e(SendEmailAsyncTask.class.getName(), m.getTo(null) +
"failed");
e.printStackTrace();
return false;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
公共类MainActivity扩展活动{
编辑文本电子邮件;
@凌驾
创建时受保护的空隙(捆绑冰柱){
超级冰柱;
setContentView(R.layout.activity_main);
电子邮件=(EditText)findViewById(R.id.editText1);
按钮addImage=(按钮)findViewById(R.id.send_email);
addImage.setOnClickListener(新视图.OnClickListener(){
public void onClick(视图){
新建SendEmailAsyncTask().execute();
}
类SendEmailAsyncTask扩展了AsyncTask{
邮件m=新邮件(“gmailusername@gmail.com“,”密码“);
公共SendEmailAsyncTask(){
if(BuildConfig.DEBUG)
Log.v(SendEmailAsyncTask.class.getName(),“SendEmailAsyncTask()”);
字符串[]toArr={”bla@bla.com", "lala@lala.com"};
m、 设置为(toArr);
m、 setFrom(“wooo@wooo.com");
m、 setSubject(“来自Android的电子邮件”);
m、 ("身体");;
}
@凌驾
受保护的布尔doInBackground(Void…params){
if(BuildConfig.DEBUG)
Log.v(SendEmailAsyncTask.class.getName(),“doInBackground()”);
试一试{
m、 send();
返回true;
}捕获(身份验证失败异常e){
Log.e(SendEmailAsyncTask.class.getName(),“坏帐户
(详情);
e、 printStackTrace();
返回false;
}捕获(消息异常e){
Log.e(sendmailasynctask.class.getName(),m.getTo(null)+
“失败”);
e、 printStackTrace();
返回false;
}捕获(例外e){
e、 printStackTrace();
返回false;
}
}
}
});
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
//为菜单充气;这会将项目添加到操作栏(如果存在)。
getMenuInflater().充气(R.menu.main,menu);
返回true;
}
}
这是我的课
public class Mail extends javax.mail.Authenticator {
private String _user;
private String _pass;
private String[] _to;
private String _from;
private String _port;
private String _sport;
private String _host;
private String _subject;
private String _body;
private boolean _auth;
private boolean _debuggable;
private Multipart _multipart;
public Mail() {
_host = "smtp.gmail.com"; // default smtp server
_port = "465"; // default smtp port
_sport = "465"; // default socketfactory port
_user = ""; // username
_pass = ""; // password
_from = ""; // email sent from
_subject = ""; // email subject
_body = ""; // email body
_debuggable = false; // debug mode on or off - default off
_auth = true; // smtp authentication - default on
_multipart = new MimeMultipart();
// There is something wrong with MailCap, javamail can not find a handler for the
multipart/mixed part, so this bit needs to be added.
MailcapCommandMap mc = (MailcapCommandMap) CommandMap.getDefaultCommandMap();
mc.addMailcap("text/html;; x-java-content-handler=com.sun.mail.handlers.text_html");
mc.addMailcap("text/xml;; x-java-content-handler=com.sun.mail.handlers.text_xml");
mc.addMailcap("text/plain;; x-java-content-
handler=com.sun.mail.handlers.text_plain");
mc.addMailcap("multipart/*;; x-java-content-
handler=com.sun.mail.handlers.multipart_mixed");
mc.addMailcap("message/rfc822;; x-java-content-
handler=com.sun.mail.handlers.message_rfc822");
CommandMap.setDefaultCommandMap(mc);
}
public Mail(String user, String pass) {
this();
_user = user;
_pass = pass;
}
public boolean send() throws Exception {
Properties props = _setProperties();
if(!_user.equals("") && !_pass.equals("") && _to.length > 0 && !_from.equals("")
&&
!_subject.equals("") && !_body.equals("")) {
Session session = Session.getInstance(props, this);
MimeMessage msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(_from));
InternetAddress[] addressTo = new InternetAddress[_to.length];
for (int i = 0; i < _to.length; i++) {
addressTo[i] = new InternetAddress(_to[i]);
}
msg.setRecipients(MimeMessage.RecipientType.TO, addressTo);
msg.setSubject(_subject);
msg.setSentDate(new Date());
// setup message body
BodyPart messageBodyPart = new MimeBodyPart();
messageBodyPart.setText(_body);
_multipart.addBodyPart(messageBodyPart);
// Put parts in message
msg.setContent(_multipart);
// send email
Transport.send(msg);
return true;
} else {
return false;
}
}
public void addAttachment(String filename) throws Exception {
BodyPart messageBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource(filename);
messageBodyPart.setDataHandler(new DataHandler(source));
messageBodyPart.setFileName(filename);
_multipart.addBodyPart(messageBodyPart);
}
@Override
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(_user, _pass);
}
private Properties _setProperties() {
Properties props = new Properties();
props.put("mail.smtp.host", _host);
if(_debuggable) {
props.put("mail.debug", "true");
}
if(_auth) {
props.put("mail.smtp.auth", "true");
}
props.put("mail.smtp.port", _port);
props.put("mail.smtp.socketFactory.port", _sport);
props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.socketFactory.fallback", "false");
return props;
}
// the getters and setters
public String getBody() {
return _body;
}
public void setBody(String _body) {
this._body = _body;
}
public void setTo(String[] toArr) {
// TODO Auto-generated method stub
this._to=toArr;
}
public void setFrom(String string) {
// TODO Auto-generated method stub
this._from=string;
}
public void setSubject(String string) {
// TODO Auto-generated method stub
this._subject=string;
}
public String getTo(Object object) {
// TODO Auto-generated method stub
return null;
}
}
公共类邮件扩展了javax.Mail.Authenticator{
私有字符串用户;
私人字符串传递;
私有字符串[]_至;
私有字符串_来自;
专用字符串\u端口;
私人弦乐运动;
私有字符串\u主机;
私有字符串(subject);;
私有字符串(body),;
私有布尔认证;
私有布尔可调试;
私有多部分_多部分;
公共邮件(){
_host=“smtp.gmail.com”;//默认smtp服务器
_port=“465”;//默认smtp端口
_sport=“465”//默认socketfactory端口
_user=”“;//用户名
_pass=”“;//密码
_from=”“;//从发送的电子邮件
_subject=”“;//电子邮件主题
_body=”“;//电子邮件正文
_debuggable=false;//打开或关闭调试模式-默认关闭
_auth=true;//smtp身份验证-默认为打开
_multipart=新的MimeMultipart();
//MailCap有问题,javamail找不到
多部分/混合部分,因此需要添加此位。
MailcapCommandMap mc=(MailcapCommandMap)CommandMap.getDefaultCommandMap();
mc.addMailcap(“text/html;x-java-content-handler=com.sun.mail.handlers.text_html”);
mc.addMailcap(“text/xml;x-java-content-handler=com.sun.mail.handlers.text_xml”);
mc.addMailcap(“text/plain;;x-java-content-
handler=com.sun.mail.handlers.text_plain“;
mc.addMailcap(“multipart/*;;x-java-content-
handler=com.sun.mail.handlers.multipart_mixed”);
mc.addMailcap(“message/rfc822;;x-java-content-
handler=com.sun.mail.handlers.message\u rfc822“;
setDefaultCommandMap(mc);
}
公用邮件(字符串用户,字符串传递){
这个();
_用户=用户;
_通过=通过;
}
public boolean send()引发异常{
Properties props=_setProperties();
如果(!\u user.equals(“”)&!\u pass.equals(“”)&&&u to.length>0&&u from.equals(“”)
&&
!\u subject.equals(“”)&!\u body.equals(“”){
Session Session=Session.getInstance(props,this);
MimeMessage msg=新MimeMessage(会话);
msg.setFrom(新的Internet地址(_-from));
InternetAddress[]addressTo=新的InternetAddress[_to.length];
对于(int i=0;i<_to.length;i++){
addressTo[i]=新的Internet地址(_to[i]);
}
msg.setRecipients(mimessage.RecipientType.TO,addressTo);
msg.setSubject(_subject);
msg.setSentDate(新日期());
//设置消息正文
BodyPart messageBodyPart=新的MimeBodyPart();
messageBodyPart.setText(_body);
_multipart.addBodyPart(messageBodyPart);
//将部件放入消息中
msg.setContent(_多部分);
//发送电子邮件
发送(msg);
返回true;
}否则{
返回false;
}
}
public void addAttachment(字符串文件名)引发异常{
BodyPart messageBodyPart=新的MimeBodyPart();
DataSource source=新文件DataSource(文件名);
setDataHandler(新的DataHandler(源));
messageBodyPart.setFileName(文件名);
_multipart.addBodyPart(messageBodyPart);
}
@凌驾
公共密码身份验证getPasswordAuthentication(){
返回新密码身份验证(_user,_pass);
}
私有属性_setProperties(){
Properties props=新属性();
props.put(“mail.smtp.host”,\u host);
如果(_可调试){
props.put(“mail.debug”,“true”);
}
如果(_auth){
props.put(“mail.smtp.auth”,“true”);
}
props.put(“mail.smtp.port”,_-port);
props.put(“mail.smtp.socketFactory.port”,_sport);
put(“mail.smtp.socketFactory.class”、“javax.net.ssl.SSLSocketFactory”);
props.put(“mail.smtp.socketFactory.fallback”、“false”);
返回道具;
}
//接球手和二传手
公共字符串getBody(){
返回体;
}
公共空间(字符串_-bo)