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本文来源Quartz定时邮件发送备份文件 - 黑壳网 .html
之前由于黑壳网的博客数据库,一直没有做定期备份的处理,虽然现在不一定会出问题,但起码数据备份意识上还是要有的。
之前有考虑过用七牛云等第三方服务,但是最后由于种种原因,暂时不考虑用第三方服务。
所以自己手写了一个定时备份程序,简单的思路↓
到达指定时间,将数据库备份文件发送利用邮箱,发送至指定邮箱,达到定期备份的目的。
特别提示:如果文件对安全性要求很高的话,不推荐
程序采用Java语言和maven强大的依赖体系+流行的spring,为什么要用Java,只是写着好玩不要太较真了。
<properties><!-- Spring的版本 --><springframework.version>4.0.6.RELEASE</springframework.version><!-- Quartz的版本 --><quartz.version>2.2.1</quartz.version></properties><dependencies><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>3.8.1</version><scope>test</scope></dependency><dependency><groupId>javax.servlet</groupId><artifactId>javax.servlet-api</artifactId><version>3.0.1</version></dependency><!-- .mail/mail --><dependency><groupId>javax.mail</groupId><artifactId>mail</artifactId><version>1.4</version></dependency><dependency><groupId>org.quartz-scheduler</groupId><artifactId>quartz</artifactId><version>${quartz.version}</version></dependency><!-- spring --><dependency><groupId>org.springframework</groupId><artifactId>spring-context-support</artifactId><version>${springframework.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-tx</artifactId><version>${springframework.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-web</artifactId><version>${springframework.version}</version></dependency><dependency><groupId>org.springframework</groupId><artifactId>spring-webmvc</artifactId><version>${springframework.version}</version></dependency></dependencies>
MyJob.java 继承QuartzJobBean 然后Override
有钻研精神的可以一点一点扒代码看 QuartzJobBean 。
import org.quartz.JobExecutionContext;
import org.quartz.JobExecutionException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.scheduling.quartz.QuartzJobBean;import java.util.Date;/*** kzyuan Job 参考* @description black husk* @description */
public class MyJob extends QuartzJobBean {private static Logger logger = Logger(DatabaseBackupJob.class);@Overrideprotected void executeInternal(JobExecutionContext jobExecutionContext) throws JobExecutionException {System.out.println("执行时间:"+new Date());}
}
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns=""xmlns:context="" xmlns:p=""xmlns:aop="" xmlns:tx=""xmlns:xsi=""xsi:schemaLocation=" .0.xsd .0.xsd .0.xsd .0.xsd .0.xsd"><!-- 定义任务bean --><bean name="myJobDetail" class="org.springframework.scheduling.quartz.JobDetailFactoryBean"><!-- 指定具体的job类 --><property name="jobClass" value="com.bhusk.quartz.Job.MyJob"/><!-- 指定job的名称 --><property name="name" value="myJob"/><!-- 指定job的分组 --><property name="group" value="jobs"/><!-- 必须设置为true,如果为false,当没有活动的触发器与之关联时会在调度器中删除该任务 --><property name="durability" value="true"/><!-- 指定spring容器的key,如果不设定在job中的jobmap中是获取不到spring容器的 --><property name="applicationContextJobDataKey" value="applicationContext"/></bean><!-- 定义触发器 --><bean id="cronTrigger" class="org.springframework.scheduling.quartz.CronTriggerFactoryBean"><property name="jobDetail" ref="myJobDetail"/><!--执行时间 --><property name="cronExpression" value="0 0 3 * * ?"/></bean><!-- 定义触发器 --><!--演示:一个job可以有多个trigger; --><!--<bean id="cronTrigger2" class="org.springframework.scheduling.quartz.CronTriggerFactoryBean">--><!--<property name="jobDetail" ref="myJobDetail2" />--><!--每一分钟执行一次--><!-- <property name="cronExpression" value="0 0 3 * * ?"/> --><!--</bean>--><!-- 定义调度器 --><bean class="org.springframework.scheduling.quartz.SchedulerFactoryBean"><property name="triggers"><list><ref bean="cronTrigger"/><!-- <ref bean="cronTrigger2"/> --></list></property></bean></beans>
JavaMail发送邮件工具类
java 实现邮件的发送, 抄送及多附件
这个工具类来源网络,具体精准位置也不清楚了
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;
import java.io.UnsupportedEncodingException;
import java.util.Properties;/*** 邮件管理器* java 实现邮件的发送, 抄送及多附件*/
public class EmailManager {public static String username = "keshu@bhusk"; // 服务邮箱(from邮箱)public static String password = ""; // 邮箱密码public static String senderNick = "黑壳网的壳叔"; // 发件人昵称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private static EmailManager instance = null;public EmailManager() {props = Properties();props.put("mail.smtp.auth", "true");props.put(ansport.protocol", "smtp");props.put("mail.smtp.host", "smtp.163");props.put("mail.smtp.port", "25");props.put("username", username);props.put("password", password);// 建立会话session = DefaultInstance(props);session.setDebug(false);}public static EmailManager getInstance() {if (instance == null) {instance = new EmailManager();}return instance;}/*** 发送邮件** @param from 发件人* @param to 收件人* @param copyto 抄送* @param subject 主题* @param content 内容* @param fileList 附件列表* @return*/public boolean sendMail(String from, String[] to, String[] copyto, String subject, String content, String[] fileList) {boolean success = true;try {mimeMsg = new MimeMessage(session);mp = new MimeMultipart();// 自定义发件人昵称String nick = "";try {nick = javax.mail.deText(senderNick);} catch (UnsupportedEncodingException e) {e.printStackTrace();}// 设置发件人
// mimeMsg.setFrom(new InternetAddress(from));mimeMsg.setFrom(new InternetAddress(from, nick));// 设置收件人if (to != null && to.length > 0) {String toListStr = getMailList(to);mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(toListStr));}// 设置抄送人if (copyto != null && copyto.length > 0) {String ccListStr = getMailList(copyto);mimeMsg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(ccListStr));}// 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if (fileList != null && fileList.length > 0) {for (int i = 0; i < fileList.length; i++) {bp = new MimeBodyPart();FileDataSource fds = new FileDataSource(fileList[i]);bp.setDataHandler(new DataHandler(fds));bp.Name(), "UTF-8", "B"));mp.addBodyPart(bp);}}mimeMsg.setContent(mp);mimeMsg.saveChanges();// 发送邮件if (("mail.smtp.auth").equals("true")) {Transport transport = Transport("smtp");t((String) ("mail.smtp.host"), (String) ("username"), (String) ("password"));
// transport.sendMessage(mimeMsg, Recipients(Message.RecipientType.TO));
// transport.sendMessage(mimeMsg, Recipients(Message.RecipientType.CC));transport.sendMessage(mimeMsg, AllRecipients());transport.close();} else {Transport.send(mimeMsg);}System.out.println("邮件发送成功");} catch (MessagingException e) {e.printStackTrace();success = false;} catch (UnsupportedEncodingException e) {e.printStackTrace();success = false;}return success;}/*** 发送邮件** @param from 发件人* @param to 收件人, 多个Email以英文逗号分隔* @param cc 抄送, 多个Email以英文逗号分隔* @param subject 主题* @param content 内容* @param fileList 附件列表* @return*/public boolean sendMail(String from, String to, String cc, String subject, String content, String[] fileList) {boolean success = true;try {mimeMsg = new MimeMessage(session);mp = new MimeMultipart();// 自定义发件人昵称String nick = "";try {nick = javax.mail.deText(senderNick);} catch (UnsupportedEncodingException e) {e.printStackTrace();}// 设置发件人
// mimeMsg.setFrom(new InternetAddress(from));mimeMsg.setFrom(new InternetAddress(from, nick));// 设置收件人if (to != null && to.length() > 0) {mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));}// 设置抄送人if (cc != null && cc.length() > 0) {mimeMsg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(cc));}// 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if (fileList != null && fileList.length > 0) {for (int i = 0; i < fileList.length; i++) {bp = new MimeBodyPart();FileDataSource fds = new FileDataSource(fileList[i]);bp.setDataHandler(new DataHandler(fds));bp.Name(), "UTF-8", "B"));mp.addBodyPart(bp);}}mimeMsg.setContent(mp);mimeMsg.saveChanges();// 发送邮件if (("mail.smtp.auth").equals("true")) {Transport transport = Transport("smtp");t((String) ("mail.smtp.host"), (String) ("username"), (String) ("password"));transport.sendMessage(mimeMsg, AllRecipients());transport.close();} else {Transport.send(mimeMsg);}System.out.println("邮件发送成功");} catch (MessagingException e) {e.printStackTrace();success = false;} catch (UnsupportedEncodingException e) {e.printStackTrace();success = false;}return success;}public String getMailList(String[] mailArray) {StringBuffer toList = new StringBuffer();int length = mailArray.length;if (mailArray != null && length < 2) {toList.append(mailArray[0]);} else {for (int i = 0; i < length; i++) {toList.append(mailArray[i]);if (i != (length - 1)) {toList.append(",");}}}String();}public static void main(String[] args) {String from = username;String[] to = {"keshu@bhusk", "1520812121@qq"};String[] copyto = {"lu12121@qq"};String subject = "黑壳网数据库备份";String content = "没有数据就没有一切,数据库备份就是一种防范灾难于未然的强力手段,没有了数据,应用再花哨也是镜中花水中月。";String[] fileList = new String[2];fileList[0] = "~/solo_h2/db.mv.db";fileList[1] = "~/solo_ace.db";Instance().sendMail(from, to, copyto, subject, content, fileList);}
}
参考项目 GitHub:
本文发布于:2024-02-04 21:53:53,感谢您对本站的认可!
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