帮蕊姐姐完成一个任务,给几百号人发邮件,索性把以前写过的Javamail和读excel的代码调通了。下面简单记录一下。
- Java发送邮件
MyAuthenticator.java
package com.umgsai.mail;
import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;
public class MyAuthenticator extends Authenticator{
String userName = null;
String password = null;
public MyAuthenticator() {
}
public MyAuthenticator(String username, String password) {
this.userName = username;
this.password = password;
}
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(userName, password);
}
}
MailSenderInfo.java
package com.umgsai.mail;
import java.util.Properties;
public class MailSenderInfo {
// 发送邮件的服务器的IP和端口
private String mailServerHost;
private String mailServerPort = "25";
// 邮件发送者的地址
private String fromAddress;
// 邮件接收者的地址
private String toAddress;
// 登陆邮件发送服务器的用户名和密码
private String userName;
private String password;
// 是否需要身份验证
private boolean validate = false;
// 邮件主题
private String subject;
// 邮件的文本内容
private String content;
// 邮件附件的文件名
private String[] attachFileNames;
/**
* 获得邮件会话属性
*/
public Properties getProperties() {
Properties p = new Properties();
p.put("mail.smtp.host", this.mailServerHost);
p.put("mail.smtp.port", this.mailServerPort);
p.put("mail.smtp.auth", validate ? "true" : "false");
return p;
}
public boolean isValidate() {
return validate;
}
//省略getter setter
}
SimpleMailSender.java
package com.umgsai.mail;
import java.util.Date;
import java.util.Properties;
import javax.mail.Address;
import javax.mail.Authenticator;
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;
public class SimpleMailSender {
/**
* 以文本格式发送邮件
* @param mailInfo 待发送的邮件的信息
*/
public boolean sendTextMail(MailSenderInfo mailInfo) {
// 判断是否需要身份认证
MyAuthenticator authenticator = null;
Properties pro = mailInfo.getProperties();
if (mailInfo.isValidate()) {
// 如果需要身份认证,则创建一个密码验证器
authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());
}
// 根据邮件会话属性和密码验证器构造一个发送邮件的session
//Session.ge
Session sendMailSession = Session.getDefaultInstance(pro, authenticator);
try {
// 根据session创建一个邮件消息
Message mailMessage = new MimeMessage(sendMailSession);
// 创建邮件发送者地址
Address from = new InternetAddress(mailInfo.getFromAddress());
// 设置邮件消息的发送者
mailMessage.setFrom(from);
// 创建邮件的接收者地址,并设置到邮件消息中
Address to = new InternetAddress(mailInfo.getToAddress());
mailMessage.setRecipient(Message.RecipientType.TO, to);
// 设置邮件消息的主题
mailMessage.setSubject(mailInfo.getSubject());
// 设置邮件消息发送的时间
mailMessage.setSentDate(new Date());
// 设置邮件消息的主要内容
String mailContent = mailInfo.getContent();
mailMessage.setText(mailContent);
// 发送邮件
Transport.send(mailMessage);
return true;
} catch (MessagingException ex) {
ex.printStackTrace();
}
return false;
}
/**
* 以HTML格式发送邮件
* @param mailInfo 待发送的邮件信息
*/
public static boolean sendHtmlMail(MailSenderInfo mailInfo) {
// 判断是否需要身份认证
MyAuthenticator authenticator = null;
Properties pro = mailInfo.getProperties();
//如果需要身份认证,则创建一个密码验证器
if (mailInfo.isValidate()) {
authenticator = new MyAuthenticator(mailInfo.getUserName(), mailInfo.getPassword());
}
// 根据邮件会话属性和密码验证器构造一个发送邮件的session
// Session.getInstance(pro, authenticator)
Session sendMailSession = Session.getDefaultInstance(pro, authenticator);
try {
// 根据session创建一个邮件消息
Message mailMessage = new MimeMessage(sendMailSession);
// 创建邮件发送者地址
Address from = new InternetAddress(mailInfo.getFromAddress());
// 设置邮件消息的发送者
mailMessage.setFrom(from);
// 创建邮件的接收者地址,并设置到邮件消息中
Address to = new InternetAddress(mailInfo.getToAddress());
// Message.RecipientType.TO属性表示接收者的类型为TO
mailMessage.setRecipient(Message.RecipientType.TO, to);
// 设置邮件消息的主题
mailMessage.setSubject(mailInfo.getSubject());
// 设置邮件消息发送的时间
mailMessage.setSentDate(new Date());
// MiniMultipart类是一个容器类,包含MimeBodyPart类型的对象
Multipart mainPart = new MimeMultipart();
// 创建一个包含HTML内容的MimeBodyPart
BodyPart html = new MimeBodyPart();
// 设置HTML内容
html.setContent(mailInfo.getContent(), "text/html; charset=utf-8");
mainPart.addBodyPart(html);
// 将MiniMultipart对象设置为邮件内容
mailMessage.setContent(mainPart);
// 发送邮件
Transport.send(mailMessage);
return true;
} catch (MessagingException ex) {
ex.printStackTrace();
}
return false;
}
}
测试主类 Main.java
package com.umgsai.mail;
import java.io.IOException;
import java.util.List;
import com.zappinfo.test.XlsMain;
public class Main {
public static void main(String[] args) {
//这个类主要是设置邮件
MailSenderInfo mailInfo = new MailSenderInfo();
mailInfo.setMailServerHost("smtp.163.com");
mailInfo.setMailServerPort("25");
mailInfo.setValidate(true);
//设置发送邮箱和接收邮箱
mailInfo.setUserName("***@163.com");
mailInfo.setPassword("***");//您的邮箱密码
mailInfo.setFromAddress("***@163.com");
// mailInfo.setToAddress("***@qq.com");
mailInfo.setToAddress("***");
mailInfo.setSubject("测试标题");
mailInfo.setContent("设置邮箱内容 测试");
//这个类主要来发送邮件
SimpleMailSender sms = new SimpleMailSender();
/*
*
sms.sendTextMail(mailInfo);//发送文体格式
sms.sendHtmlMail(mailInfo);//发送html格式
*/
//下面为读取excel数据然后发送
XlsMain xlsMain = new XlsMain();
try {
List<String []> list = xlsMain.readXls();
String [] title0 = list.get(0);
String [] title1 = list.get(1);
for(int i = 2; i < 24; i++){
String [] s = list.get(i);
StringBuilder sb = new StringBuilder();
for(int j = 0; j < 20; j++){
if(j == 0){
continue;
}
if(!title0[j].equals("0.0")){
sb.append("<br/>----" + title0[j] + "----<br/>");
System.err.println("<br/>----" + title0[j] + "----");
}
if(!title1[j].equals("0.0")){
sb.append(title1[j] + ":");
System.err.print(title1[j] + ":");
}
sb.append(s[j] + "\t<br/>");
System.err.print(s[j] + "\t<br/>");
}
sb.append("<br/>本邮件由系统自动发送,实际工资发放以工资条为准!<br/>");
System.out.print("<br/>本邮件由系统自动发送,实际工资发放以工资条为准!<br/>");
sb.append("<br/>有疑问请联系:蒋蕊 jiangr@oepnalb.cn 027-5066-2279!<br/>");
sb.append("<br/><font color='red'>系统邮件,请勿直接回复!</font><br/>");
sb.append("<br/><font color='red'>@"+ s[3] +"!</font><br/>");
mailInfo.setSubject(s[1] + "-" + s[2] + "-工资信息");
mailInfo.setContent(sb.toString());
sms.sendHtmlMail(mailInfo);//发送文体格式
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
2.Java读取excel
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
//参考
public class XlsMain {
public static void main(String[] args) {
XlsMain xlsMain = new XlsMain();
try {
List<String []> list = xlsMain.readXls();
// System.err.println(list);
System.err.println("--------------------------");
int k = 0;
for (Iterator iterator = list.iterator(); iterator.hasNext();) {
String[] strings = (String[]) iterator.next();
for (int i = 0; i < strings.length; i++) {
if(strings[i] != null){
System.err.print(strings[i] + " ");
}
}
System.out.print("\n");
k++;
if(k == 3){
break;
}
}
System.err.println("--------------------------");
} catch (IOException e) {
e.printStackTrace();
}
}
public String getValue(HSSFCell hssfCell) {
if (hssfCell.getCellType() == hssfCell.CELL_TYPE_BOOLEAN) {
// 返回布尔类型的值
return String.valueOf(hssfCell.getBooleanCellValue());
} else if (hssfCell.getCellType() == hssfCell.CELL_TYPE_NUMERIC) {
// 返回数值类型的值
return String.valueOf(hssfCell.getNumericCellValue());
} else {
// 返回字符串类型的值
return String.valueOf(hssfCell.getStringCellValue());
}
}
public String getValue(Cell cell) {
DecimalFormat df = new DecimalFormat("######0.00");
if (cell.getCellType() == cell.CELL_TYPE_BOOLEAN) {
// 返回布尔类型的值
return String.valueOf(cell.getBooleanCellValue());
} else if (cell.getCellType() == cell.CELL_TYPE_NUMERIC) {
// 返回数值类型的值
// return String.valueOf(cell.getNumericCellValue());
return String.valueOf(df.format(cell.getNumericCellValue()));
} else if(cell.getCellType() == cell.CELL_TYPE_BLANK){
return "0.0";
}else if(cell.getCellType() == cell.CELL_TYPE_ERROR){
return "0";
}else if(cell.getCellType() == cell.CELL_TYPE_FORMULA){
// return "";
// return String.valueOf(cell.getNumericCellValue());
return String.valueOf(df.format(cell.getNumericCellValue()));
}else{
// 返回字符串类型的值
return String.valueOf(cell.getStringCellValue());
}
}
public List<String []> readXls() throws IOException {
InputStream is = new FileInputStream("D:/AliDrive/我的文档/总公司6月工资工资单.xls");
HSSFWorkbook hssfWorkbook = new HSSFWorkbook(is);
XlsDto xlsDto = null;
List<String []> list = new ArrayList<String []>();
// 循环工作表Sheet
for (int numSheet = 0; numSheet < hssfWorkbook.getNumberOfSheets(); numSheet++) {
HSSFSheet hssfSheet = hssfWorkbook.getSheetAt(numSheet);
if (hssfSheet == null) {
continue;
}
// 循环行Row
for (int rowNum = 0; rowNum < hssfSheet.getLastRowNum(); rowNum++) {
String[] str = new String[1000];
System.err.print(rowNum + "\t");
HSSFRow hssfRow = hssfSheet.getRow(rowNum);
if (hssfRow == null) {
continue;
}
// 循环列Cell
Iterator<Cell> cellIterator = hssfRow.cellIterator();
int k = 0;
while (cellIterator.hasNext()) {
Cell cell = (Cell) cellIterator.next();
System.out.print(getValue(cell)+"\t\t");
str[k++] = getValue(cell);
}
System.out.print("\n");
list.add(str);
}
}
return list;
}
}
读取xlsx格式的excel存在问题,暂未深入研究。
暂未考虑性能优化,大神请略过~~
https://blog.51cto.com/shamrock/1680959