JAVAMail附件问题(解决就结贴)

2007-02-26 10:41:10 673 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

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Python CookBook第二章字符串和文本第二章内容主要是关于文本内容处理方法的选择与更复杂内容是如何运用简单的方法来处理。也不很难，重要的是自己对内容的理解阅读详情

近日才搞javamail 请教大家个问题,我看到都是用FileDataSource,就是能不能不写文件,直接将指定字符串当文本附件发送出去.请大家给点例子或者是提示

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切换为时间正序

colinmok 2007-02-27

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里面的中文作相应的修改,换成你想要的语句..

colinmok 2007-02-27

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我以前做的,JSP中直接调用吧
package SendMail;

/**
* Title:邮件发送 
* Description:邮件发送 
* Copyright: Copyright (c) 2006
* Company:GZLH 
* @author colinmok
* @version 1.0
*/

import java.util.*;
import java.util.Properties;
import java.util.Date;
import javax.mail.Session;
import javax.mail.Message;
import javax.mail.Transport;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.InternetAddress;

public class SendMail {
private static final String smtphost="";
private static final String user="";
private static final String password="";
private static final String from="";
private static final String to="";
private static final String toUserName="";
private static final String toUserPwd="";

public SendMail() {
/**
* 例子
* String smtphost = "smtp.now.net.cn"; // 发送邮件服务器
* String user = "yauboo"; // 邮件服务器登录用户名
* String password = "xxx"; // 邮件服务器登录密码
* String from = "yauboo@now.net.cn"; // 发送人邮件地址
* String to = "yauboo@now.net.cn"; // 接受人邮件地址
* String subject = "Java Mail Subject!"; // 邮件标题
* String body = "Java Mail Body!"; // 邮件内容
*/
}

public static void Mail(String smtphost,String user,String password,
String from,String to,String toUserName,String toUserPwd) {
smtphost = GBCoding.getStrFromISO(smtphost);
user = GBCoding.getStrFromISO(user);
password = GBCoding.getStrFromISO(password);
from = GBCoding.getStrFromISO(from);
to = GBCoding.getStrFromISO(to);
toUserName = GBCoding.getStrFromISO(toUserName);
toUserPwd = GBCoding.getStrFromISO(toUserPwd);

System.out.println("调用函数##########################################");
System.out.println("smtphost:" + smtphost);
System.out.println("user:" + user);
System.out.println("password:" + password);
System.out.println("from:" + from);
System.out.println("to:" + to);
System.out.println("toUserName:" + toUserName);
System.out.println("toUserPwd:" + toUserPwd);

try {

Properties props = System.getProperties();

props.put("mail.smtp.host", smtphost);
props.put("mail.smtp.auth","true");

Session session = Session.getInstance(props, null);
MimeMessage mimeMessage = new MimeMessage(session);

mimeMessage.setFrom(new InternetAddress(from, "管理员", "gb2312"));

mimeMessage.setRecipients(Message.RecipientType.TO, to);
//iso-8859-1
mimeMessage.setSubject("取回密码!", "gb2312");
mimeMessage.setText("尊敬的"+toUserName+":你的密码是"+toUserPwd+",请注意保管!", "gb2312");
mimeMessage.setHeader("Content-Type", "text/html");
mimeMessage.setSentDate(new Date());

Transport transport = session.getTransport("smtp");
transport.connect(smtphost, user, password);
transport.sendMessage(mimeMessage, mimeMessage.getRecipients(Message.RecipientType.TO));
// transport.send(mimeMessage);
transport.close();
System.out.println("结束##########################################");
}
catch (Exception e) {
e.printStackTrace();
}
}

public static String getStrFromISO(String str) {
try {
String temp_p = str;
byte[] temp_t = temp_p.getBytes("ISO8859-1");
String temp = new String(temp_t, "GBK");
return temp;
}
catch (Exception e) {
e.printStackTrace();
}
return null;
}

}

flyforlove 2007-02-27

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其实如果只是文本的话，和普通发送一个bodypart一样，只要添加一个setFileName就可以当作附件来发送了。

MimeBodyPart mbp = new MimeBodyPart();
mbp.setText("This is a test");
mbp.setFileName("test.txt");

flyforlove 2007-02-27

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当然根据ByteArrayDataSource的api，也可以更加简单

MimeBodyPart mbp = new MimeBodyPart();
ByteArrayDataSource bads = new ByteArrayDataSource("this is a test","text/plain");
mbp.setDataHandler(new DataHandler(bads));
mbp.setFileName("test.txt");

flyforlove 2007-02-27

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使用ByteArrayDataSource类型数据源

MimeBodyPart mbp = new MimeBodyPart();
byte[] bytes = "this is a test".getBytes();
ByteArrayDataSource bads = new ByteArrayDataSource(bytes,"text/plain");
mbp.setDataHandler(new DataHandler(bads));
mbp.setDescription(Part.ATTACHMENT);
mbp.setFileName("test.txt");

journay 2007-02-26

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先创建一个FileDataSource对象，然后用FileDataSource.getInputStream方法返回一个输入流，把string写入试一下吧

liufei8463 2007-02-26

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写文件效率太低我也想过你说的第1种我不知道怎么做

journay 2007-02-26

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哦，呵呵，sorry，我觉得可以采用以下2种方式：
1、看看是否能把字符串转换为FileDataSource
2、string直接写入一个临时文件

liufei8463 2007-02-26

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汗....你看这句String s1="c:\\xxx.JPG";
FileDataSource fds = new FileDataSource(s1); 不就是指定文件写么..晕哦 ..你看清楚我的问题啊...还是谢谢你

journay 2007-02-26

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看看这个
<%@ page import="java.util.*, javax.mail.*, javax.mail.internet.*, javax.activation.*"%>
<%@ page contentType="text/html;charset=gb2312"%>
<%
MimeBodyPart mbpart = new MimeBodyPart();
String s1="c:\\xxx.JPG";
FileDataSource fds = new FileDataSource(s1);
mbpart.setDataHandler(new DataHandler(fds));
mbpart.setFileName(fds.getName());
Multipart mpart = new MimeMultipart();
mpart.addBodyPart(mbpart);

Properties props = new Properties();
props.put("mail.smtp.host", "smtp.xxx.com");
Session s = Session.getInstance(props,null);

MimeMessage message = new MimeMessage(s);

InternetAddress from = new InternetAddress("xxx@xxx.com");
message.setFrom(from);
String toAddress = "xxx@xxx.com";
InternetAddress to = new InternetAddress(toAddress);

message.addRecipient(Message.RecipientType.TO, to);

message.setContent(mpart);
Transport.send(message);

liufei8463 2007-02-26

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楼上的貌似不能发送附件啊

journay 2007-02-26

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/*
* 创建日期 2007-1-30
*
* TODO 要更改此生成的文件的模板，请转至
* 窗口－首选项－ Java －代码样式－代码模板
*/
package mail;

import java.io.UnsupportedEncodingException;
import java.util.Properties;

import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

/**
* @author Administrator
* @param
*
* TODO 要更改此生成的类型注释的模板，请转至窗口－首选项－ Java －代码样式－代码模板
*/
public class SendMail
{
public static void main(String[] args)
{
String host ="";
String from = "t@inspur.com";
String to = "chensong@inspur.com";

Properties props = new Properties();
props.put("mail.smtp.host", "mail.inspur.com");

Session session = Session.getDefaultInstance(props, null);
MimeMessage message = new MimeMessage(session);

try
{
InternetAddress address = new InternetAddress("chensong@inspur.com","test");
InternetAddress toAddress = new InternetAddress("chensong@inspur.com","chensong");

message.setContent("test", "text/plain");
message.setSubject("标题");
message.setFrom(address);

// message.addRecipient(Message.RecipientType.TO,
// new InternetAddress(to));

// Transport transport = session.getTransport("smtp");
// transport.connect("mail.inspur.com", "cs", "11111111Qw");
// transport.sendMessage(message, message.getAllRecipients());
// transport.close();

message.addRecipient(Message.RecipientType.TO,toAddress);
Transport.send(message);
System.out.println("ok!");
} catch (UnsupportedEncodingException e)
{
// TODO 自动生成 catch 块
e.printStackTrace();
} catch (MessagingException e)
{
// TODO 自动生成 catch 块
e.printStackTrace();
}

}
}

JAVAMail附件问题(解决就结贴)

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