本文实例为大家分享了java web stmp发送带附件邮件的具体代码，供大家参考，具体内容如下
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public class mailfilesendutils {
private properties props; //系统属性
private session session; //邮件会话对象
private mimemessage mimemsg; //mime邮件对象
private multipart mp; //multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成mimemessage对象
/**
* constructor
* @param
*/
public mailfilesendutils(){
props = system.getproperties();
props.put("mail.smtp.auth","false");
session = session.getdefaultinstance(props, null);
session.setdebug(true);
mimemsg = new mimemessage(session);
mp = new mimemultipart();
}
/**
* constructor
* @param smtp 邮件发送服务器
*/
public mailfilesendutils(string smtp, string username, string password){
props = system.getproperties();
props.put("mail.smtp.auth","true");
props.put("mail.smtp.host", smtp);
props.put("username", username);
props.put("password", password);
session = session.getdefaultinstance(props, null);
session.setdebug(true);
mimemsg = new mimemessage(session);
mp = new mimemultipart();
}
/**
* 发送邮件
*/
public boolean sendmail(string from, string[] to, string subject, string content, string filename) {
try {
//设置发信人
mimemsg.setfrom(new internetaddress(from));
//设置接收人
for (int i = 0; i < to.length; i++) {
mimemsg.setrecipients(message.recipienttype.to, internetaddress.parse(to[i]));
}
//设置抄送人
// for (int i = 0; i < copyto.length; i++) {
// mimemsg.setrecipients(message.recipienttype.cc, internetaddress.parse(copyto[i]));
// }
//设置主题
mimemsg.setsubject(subject);
//设置正文
bodypart bp = new mimebodypart();
bp.setcontent(content, "text/html;charset=utf-8");
mp.addbodypart(bp);
//设置附件
bp = new mimebodypart();
filedatasource fileds = new filedatasource(filename);
bp.setdatahandler(new datahandler(fileds));
bp.setfilename(mimeutility.encodetext(fileds.getname(),"utf-8","b"));
mp.addbodypart(bp);
mimemsg.setcontent(mp);
mimemsg.savechanges();
//发送邮件
if(props.get("mail.smtp.auth").equals("true")){
transport transport = session.gettransport("smtp");
transport.connect((string)props.get("mail.smtp.host"), (string)props.get("username"), (string)props.get("password"));
transport.sendmessage(mimemsg, mimemsg.getrecipients(message.recipienttype.to));
// transport.sendmessage(mimemsg, mimemsg.getrecipients(message.recipienttype.cc));
transport.close();
}else{
transport.send(mimemsg);
}
system.out.println("邮件发送成功");
} catch (messagingexception e) {
// todo auto-generated catch block
e.printstacktrace();
} catch (unsupportedencodingexception e) {
// todo auto-generated catch block
e.printstacktrace();
}
return true;
}
// public void tosendmail(sendmailparam sendmailparam){
// mailfilesendutils email = new mailfilesendutils(sendmailparam.getsmtp(), sendmailparam.getusername(), sendmailparam.getpassword());
// email.sendmail(sendmailparam.getfrom(), sendmailparam.getto(), sendmailparam.getsubject(), sendmailparam.getcontent(), sendmailparam.getfilepath());
// }
public static void main(string[] args) {
string smtp = "smtp.exmail.qq.com";
string username = "发送的邮箱账号";
string password = "发送的邮箱密码";
string from = "发送的邮箱";
string[] to = {"接收邮件的邮箱"};
// string[] copyto = {"抄送的邮箱"};
string subject = "主题6";
string content = "邮件内容6";
string filename = "附件的文件";
mailfilesendutils email = new mailfilesendutils(smtp, username, password);
// email.sendmail(from, to, copyto, subject, content, filename);
email.sendmail(from, to, subject, content, filename);
}
}
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（附：ssl版）
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public class mailfilesendutils {
private properties props; //系统属性
private session session; //邮件会话对象
private mimemessage mimemsg; //mime邮件对象
private multipart mp; //multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成mimemessage对象
/**
* constructor
* @param
*/
public mailfilesendutils(){
props = system.getproperties();
props.put("mail.smtp.auth","false");
session = session.getdefaultinstance(props, null);
session.setdebug(true);
mimemsg = new mimemessage(session);
mp = new mimemultipart();
}
/**
* constructor
* @param smtp 邮件发送服务器
*/
public mailfilesendutils(string smtp,
string username,
string password){
security.addprovider(new com.sun.net.ssl.internal.ssl.provider());
final string ssl_factory = "javax.net.ssl.sslsocketfactory";
props = system.getproperties();
mailsslsocketfactory sf = null;
try {
sf = new mailsslsocketfactory();
} catch (generalsecurityexception e) {
}
sf.settrustallhosts(true);
props.put("mail.smtp.auth","true");
props.put("mail.smtp.host", smtp);
props.put("mail.smtp.socketfactory.class", ssl_factory);
props.put("mail.smtp.socketfactory.fallback", "false");
props.put("mail.smtp.ssl.enable", "true");
props.put("mail.smtp.port", "465");
props.put("mail.smtp.ssl.socketfactory", sf);
// props.put("username", username);
// props.put("password", password);
session = session.getinstance(props, new authenticator() {
@override
protected passwordauthentication getpasswordauthentication() {
return new passwordauthentication(username, password);
}
});
session.setdebug(true);
mimemsg = new mimemessage(session);
mp = new mimemultipart();
}
/**
* 发送邮件
*/
public boolean sendmail(string from,
string[] to,
string subject,
string content,
string filename) {
try {
//设置发信人
mimemsg.setfrom(new internetaddress(from));
//设置接收人
for (int i = 0; i < to.length; i++) {
mimemsg.setrecipients(message.recipienttype.to, internetaddress.parse(to[i]));
}
//设置抄送人
// for (int i = 0; i < copyto.length; i++) {
// mimemsg.setrecipients(message.recipienttype.cc, internetaddress.parse(copyto[i]));
// }
//设置主题
mimemsg.setsubject(subject);
//设置正文
bodypart bp = new mimebodypart();
bp.setcontent(content, "text/html;charset=utf-8");
mp.addbodypart(bp);
//设置附件
bp = new mimebodypart();
filedatasource fileds = new filedatasource(filename);
bp.setdatahandler(new datahandler(fileds));
bp.setfilename(mimeutility.encodetext(fileds.getname(),"utf-8","b"));
mp.addbodypart(bp);
mimemsg.setcontent(mp);
mimemsg.savechanges();
//发送邮件
if(props.get("mail.smtp.auth").equals("true")){
transport transport = session.gettransport("smtp");
transport.connect((string)props.get("mail.smtp.host"), (string)props.get("username"), (string)props.get("password"));
transport.sendmessage(mimemsg, mimemsg.getrecipients(message.recipienttype.to));
// transport.sendmessage(mimemsg, mimemsg.getrecipients(message.recipienttype.cc));
transport.close();
}else{
transport.send(mimemsg);
}
system.out.println("邮件发送成功");
} catch (messagingexception e) {
e.printstacktrace();
} catch (unsupportedencodingexception e) {
e.printstacktrace();
}
return true;
}
public boolean tosendmail(sendmailparam sendmailparam){
mailfilesendutils email = new mailfilesendutils(
sendmailparam.getsmtp(),
sendmailparam.getusername(),
sendmailparam.getpassword());
email.sendmail(
sendmailparam.getfrom(),
sendmailparam.getto(),
sendmailparam.getsubject(),
sendmailparam.getcontent(),
sendmailparam.getfilepath());
return true;
}
// public static void main(string[] args) {
// string smtp = "smtp.mxhichina.com";
// string username = "邮箱";
// string password = "邮箱密码";
// string from = "谁去发";
// string[] to = {"发给谁"};
//// string[] copyto = {"抄送的邮箱"};
// string subject = "huawei";
// string content = "邮件内容6666";
// string filename = "gdt-3583118353-ad-20170823.xls";
// mailfilesendutils email = new mailfilesendutils(smtp, username, password);
//// email.sendmail(from, to, copyto, subject, content, filename);
// email.sendmail(from, to, subject, content, filename);
// }
}
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在项目中使用这套工具，main方法我注释掉，然后使用tosendmail（sendmailparam sendmailparam）。
这里定义的sendmailparam 为：
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public class sendmailparam {
private string smtp;
private string username;
private string password;
private string from;//发送人
private string[] to;//接收人
// string[] copyto = {"909891736@qq.com"};
private string subject;//邮件主题
private string content;//邮件内容
private string filepath;//文件拿到的路径
public sendmailparam(){
this.smtp = "smtp.exmail.qq.com";//例子
this.username = "邮箱账号";
this.password = "邮箱密码";
this.from = "邮箱";
this.subject = "";
this.content = "";
this.filepath = "";
}
public string getsmtp() {
return smtp;
}
public void setsmtp(string smtp) {
this.smtp = smtp;
}
public string getusername() {
return username;
}
public void setusername(string username) {
this.username = username;
}
public string getpassword() {
return password;
}
public void setpassword(string password) {
this.password = password;
}
public string getfrom() {
return from;
}
public void setfrom(string from) {
this.from = from;
}
public string[] getto() {
return to;
}
public void setto(string[] to) {
this.to = to;
}
public string getsubject() {
return subject;
}
public void setsubject(string subject) {
this.subject = subject;
}
public string getcontent() {
return content;
}
public void setcontent(string content) {
this.content = content;
}
public string getfilepath() {
return filepath;
}
public void setfilepath(string filepath) {
this.filepath = filepath;
}
}
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maven依赖包
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<dependency>
<groupid>javax.mail</groupid>
<artifactid>mail</artifactid>
<version>1.4.7</version>
</dependency>
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gradle依赖包
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compile "javax.mail:mail:1.4.7"
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以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/qq_20032995/article/details/72458636