JavaMail学习笔记(六)、搜索邮件
JavaMail在javax.mail.search包中定义了一个用于创建搜索条件的SearchTerm类,应用程序创建SearchTerm类的实例对象后,就可以调用Folder.Search(SearchTerm st)方法搜索邮件夹中符合搜索条件的所有邮件。SearchTerm是一个抽象类,JavaMail提供了22个实现子类以帮助应用程序创建不同的搜索条件,这22个类可分为两大类型,如下所示:
1、用于创建逻辑组合关系的类
AND条件(AndTerm类)
OR条件(OrTerm类)
NOT条件(NotTerm类)
Comparison条件(ComparisonTerm类)
2、用于创建具体搜索条件的类
DATE条件(SentDateTerm、ReceivedDateTerm类)
CONTENT条件(BodyTerm类)
HEADER条件(FromStringTerm、RecipientStringTerm、SubjectTerm类等)
下面通过实现来说明以上类的用法及含义:
1、搜索发件人为“智联招聘“,而且邮件正文包含“Java工程师“的所有邮件
[java]
SearchTerm andTerm = new AndTerm(
new FromStringTerm("智联招聘"),
new BodyTerm("java工程师"));
Message[] messages = folder.search(andTerm);
2、搜索发件人为“智联招聘“或主题包含“最新职位信息“的所有邮件
[java] view plaincopy
SearchTerm orTerm = new OrTerm(
new FromStringTerm("智联招聘"),
new SubjectTerm("最新职位信息"));
Message[] messages = folder.search(orTerm);
3、搜索发件人不包含“智联招聘“所有的邮件
[java]
SearchTerm notTerm = new NotTerm(new FromStringTerm("智联招聘"));
Message[] messages = folder.search(notTerm);
4、搜索周一到今天收到的的所有邮件
[java]
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.DAY_OF_WEEK, calendar.get(Calendar.DAY_OF_WEEK - (Calendar.DAY_OF_WEEK - 1)) - 1);
Date mondayDate = calendar.getTime();
SearchTerm comparisonTermGe = new SentDateTerm(ComparisonTerm.GE, mondayDate);
SearchTerm comparisonTermLe = new SentDateTerm(ComparisonTerm.LE, new Date());
SearchTerm comparisonAndTerm = new AndTerm(comparisonTermGe, comparisonTermLe);
Message[] messages = folder.search(comparisonAndTerm);
5、搜索大于或等100KB的所有邮件
[java]
int mailSize = 1024 * 100;
SearchTerm intComparisonTerm = new SizeTerm(IntegerComparisonTerm.GE, mailSize);
Message[] messages = folder.search(intComparisonTerm);
ComparisonTerm类常用于日期和数字比较中,它使用六个常量EQ(=)、GE(>=)、GT(>)、LE(<=)、LT(<)、NE(!=)来表示六种不同的比较操作。
完整代码:
[java]
package org.yangxin.study.jm;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Calendar;
import java.util.Date;
import java.util.Properties;
import javax.mail.Flags.Flag;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.URLName;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;
import javax.mail.search.AndTerm;
import javax.mail.search.BodyTerm;
import javax.mail.search.ComparisonTerm;
import javax.mail.search.FromStringTerm;
import javax.mail.search.IntegerComparisonTerm;
import javax.mail.search.NotTerm;
import javax.mail.search.OrTerm;
import javax.mail.search.SearchTerm;
import javax.mail.search.SentDateTerm;
import javax.mail.search.SizeTerm;
import javax.mail.search.SubjectTerm;
/**
* 搜索邮件
*/
public class SearchMailTest {
public static void main(String[] args) throws Exception {
Properties props = new Properties();
props.setProperty("mail.pop3.auth", "true");
Session session = Session.getInstance(props);
URLName url = new URLName("pop3", "pop3.163.com", 110, null, "xyang81@163.com", "yX546900873");
Store store = session.getStore(url);
store.connect();
// 得到收件箱
Folder folder = store.getFolder("INBOX");
// 以读写模式打开收件箱
folder.open(Folder.READ_WRITE);
Message[] messages = search(folder);
System.out.println("收件箱中共有:" + folder.getMessageCount() + "封邮件,搜索到" + messages.length + "封符合条件的邮件!");
// 解析邮件搜索到的邮件
POP3ReceiveMailTest.parseMessage(messages);
// 根据用户输入的条件搜索所有邮件,并提示用户是否删除
//searchDemo(folder);
folder.close(true);
store.close();
}
www.zzzyk.com
public static Message[] search(Folder folder) throws Exception {
// 搜索主题包含美食的邮件
String subject = "java培训";
SearchTerm subjectTerm = new SubjectTerm(subject);
// 搜索发件人包含支付宝的邮件
SearchTerm fromTerm = new FromStringTerm("支付宝");
// 搜索邮件内容包含"招聘"的邮件
SearchTerm bodyTerm = new BodyTerm("招聘");
// 搜索发件人不包含“智联招聘”的邮件
SearchTerm notTerm = new NotTerm(new FromStringTerm("智联招聘"));
// 搜索发件人为“智联招聘”,而且内容包含“Java工程师“的邮件
SearchTerm andTerm = new AndTerm(
new FromStringTerm("智联招聘"),
补充:软件开发 , Java ,