如下：
package com.thinkgem.jeesite.common.utils;
import freemarker.template.Configuration;
import freemarker.template.Template;
import org.apache.commons.mail.HtmlEmail;
import org.springframework.ui.freemarker.FreeMarkerTemplateUtils;
import java.io.File;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* 发送电子邮件
*/
public class SendMailUtil {
private static final String fromName = "管理员";
private static final String charSet = "utf-8";
// TODO 邮箱和密码要改，如果邮箱不是下面列出的域名的还需要手动加域名和端口
private static final String from = "xxx@qq.com";//发件人
private static final String username = "xxx@qq.com";//发件人账户名
private static final String password = "xxx";//发件人密码
private static Map<String, String> hostMap = new HashMap<String, String>();
static {
// 126
hostMap.put("smtp.126", "smtp.126.com");
hostMap.put("smtp.qq", "smtp.qq.com");
// 163
hostMap.put("smtp.163", "smtp.163.com");
// sina
hostMap.put("smtp.sina", "smtp.sina.com.cn");
// tom
hostMap.put("smtp.tom", "smtp.tom.com");
// 263
hostMap.put("smtp.263", "smtp.263.net");
// yahoo
hostMap.put("smtp.yahoo", "smtp.mail.yahoo.com");
// hotmail
hostMap.put("smtp.hotmail", "smtp.live.com");
// gmail
hostMap.put("smtp.gmail", "smtp.gmail.com");
hostMap.put("smtp.port.gmail", "465");
hostMap.put("xxx", "smtp.exmail.qq.com");
hostMap.put("xxx", "465");
}
public static String getHost(String email) throws Exception {
Pattern pattern = Pattern.compile("\\w+@(\\w+)(\\.\\w+){1,2}");
Matcher matcher = pattern.matcher(email);
String key = "unSupportEmail";
if (matcher.find()) {
key = "smtp." + matcher.group(1);
}
if (hostMap.containsKey(key)) {
return hostMap.get(key);
} else {
throw new Exception("unSupportEmail");
}
}
public static int getSmtpPort(String email) throws Exception {
Pattern pattern = Pattern.compile("\\w+@(\\w+)(\\.\\w+){1,2}");
Matcher matcher = pattern.matcher(email);
String key = "unSupportEmail";
if (matcher.find()) {
key = "smtp.port." + matcher.group(1);
}
if (hostMap.containsKey(key)) {
return Integer.parseInt(hostMap.get(key));
} else {
return 25;
}
}
/**
* 发送模板邮件
*
* @param toMailAddr
* 收信人地址
* @param subject
* email主题
* @param templatePath
* 模板地址
* @param map
* 模板map
*/
public static void sendFtlMail(String toMailAddr, String subject,
String templatePath, Map<String, Object> map) {
Template template = null;
Configuration freeMarkerConfig = null;
HtmlEmail hemail = new HtmlEmail();
try {
hemail.setHostName(getHost(from));
hemail.setSmtpPort(getSmtpPort(from));
hemail.setCharset(charSet);
hemail.addTo(toMailAddr);
hemail.setFrom(from, fromName);
hemail.setAuthentication(username, password);
hemail.setSubject(subject);
freeMarkerConfig = new Configuration();
freeMarkerConfig.setDirectoryForTemplateLoading(new File(
getFilePath()));
// 获取模板
template = freeMarkerConfig.getTemplate(getFileName(templatePath),
new Locale("Zh_cn"), "UTF-8");
// 模板内容转换为string
String htmlText = FreeMarkerTemplateUtils
.processTemplateIntoString(template, map);
System.out.println(htmlText);
hemail.setMsg(htmlText);
hemail.send();
System.out.println("email send true!");
} catch (Exception e) {
e.printStackTrace();
System.out.println("email send error!");
}
}
/**
* 发送普通邮件
*
* @param toMailAddr
* 收信人地址
* @param ccList
* 抄送列表，多个邮件地址用分号分隔
* @param subject
* email主题
* @param message
* 发送email信息
*/
public static void sendCommonMail(String toMailAddr, String ccList, String subject,
String message) {
HtmlEmail hemail = new HtmlEmail();
try {
hemail.setHostName(getHost(from));
int port = getSmtpPort(from);
if(465 == port){
hemail.setSSLOnConnect(true);
hemail.setSslSmtpPort("465");
}else{
hemail.setSmtpPort(getSmtpPort(from));
}
hemail.setCharset(charSet);
hemail.addTo(toMailAddr);
if(StringUtils.isNotBlank(ccList)){
String[] ccLists = ccList.split(";");
for(String s:ccLists){
hemail.addCc(s);
}
}
hemail.setFrom(from, fromName);
hemail.setAuthentication(username, password);
hemail.setSubject(subject);
hemail.setMsg(message);
hemail.send();
System.out.println("email send true!");
} catch (Exception e) {
e.printStackTrace();
System.out.println("email send error!");
}
}
/**
* 发送普通邮件
*
* @param toMailAddr
* 收信人地址
* @param subject
* email主题
* @param message
* 发送email信息
*/
public static void sendCommonMail(String toMailAddr, String subject,
String message) {
sendCommonMail(toMailAddr, "", subject, message);
}
public static String getHtmlText(String templatePath,
Map<String, Object> map) {
Template template = null;
String htmlText = "";
try {
Configuration freeMarkerConfig = null;
freeMarkerConfig = new Configuration();
freeMarkerConfig.setDirectoryForTemplateLoading(new File(
getFilePath()));
// 获取模板
template = freeMarkerConfig.getTemplate(getFileName(templatePath),
new Locale("Zh_cn"), "UTF-8");
// 模板内容转换为string
htmlText = FreeMarkerTemplateUtils.processTemplateIntoString(
template, map);
System.out.println(htmlText);
} catch (Exception e) {
e.printStackTrace();
}
return htmlText;
}
private static String getFilePath() {
String path = getAppPath(SendMailUtil.class);
path = path + File.separator + "mailtemplate" + File.separator;
path = path.replace("\\", "/");
System.out.println(path);
return path;
}
private static String getFileName(String path) {
path = path.replace("\\", "/");
System.out.println(path);
return path.substring(path.lastIndexOf("/") + 1);
}
// @SuppressWarnings("unchecked")
public static String getAppPath(Class<?> cls) {
// 检查用户传入的参数是否为空
if (cls == null)
throw new java.lang.IllegalArgumentException("参数不能为空！");
ClassLoader loader = cls.getClassLoader();
// 获得类的全名，包括包名
String clsName = cls.getName() + ".class";
// 获得传入参数所在的包
Package pack = cls.getPackage();
String path = "";
// 如果不是匿名包，将包名转化为路径
if (pack != null) {
String packName = pack.getName();
// 此处简单判定是否是Java基础类库，防止用户传入JDK内置的类库
if (packName.startsWith("java.") || packName.startsWith("javax."))
throw new java.lang.IllegalArgumentException("不要传送系统类！");
// 在类的名称中，去掉包名的部分，获得类的文件名
clsName = clsName.substring(packName.length() + 1);
// 判定包名是否是简单包名，如果是，则直接将包名转换为路径，
if (packName.indexOf(".") < 0)
path = packName + "/";
else {// 否则按照包名的组成部分，将包名转换为路径
int start = 0, end = 0;
end = packName.indexOf(".");
while (end != -1) {
path = path + packName.substring(start, end) + "/";
start = end + 1;
end = packName.indexOf(".", start);
}
path = path + packName.substring(start) + "/";
}
}
// 调用ClassLoader的getResource方法，传入包含路径信息的类文件名
java.net.URL url = loader.getResource(path + clsName);
// 从URL对象中获取路径信息
String realPath = url.getPath();
// 去掉路径信息中的协议名"file:"
int pos = realPath.indexOf("file:");
if (pos > -1)
realPath = realPath.substring(pos + 5);
// 去掉路径信息最后包含类文件信息的部分，得到类所在的路径
pos = realPath.indexOf(path + clsName);
realPath = realPath.substring(0, pos - 1);
// 如果类文件被打包到JAR等文件中时，去掉对应的JAR等打包文件名
if (realPath.endsWith("!"))
realPath = realPath.substring(0, realPath.lastIndexOf("/"));
/*------------------------------------------------------------
ClassLoader的getResource方法使用了utf-8对路径信息进行了编码，当路径
中存在中文和空格时，他会对这些字符进行转换，这样，得到的往往不是我们想要
的真实路径，在此，调用了URLDecoder的decode方法进行解码，以便得到原始的
中文及空格路径
-------------------------------------------------------------*/
try {
realPath = java.net.URLDecoder.decode(realPath, "utf-8");
} catch (Exception e) {
throw new RuntimeException(e);
}
System.out.println("realPath----->" + realPath);
return realPath;
}
// private static File getFile(String path){
// File file =
// SendMail.class.getClassLoader().getResource("mailtemplate/test.ftl").getFile();
// return file;
// }
//
public static void main(String[] args) {
// HtmlEmail hemail = new HtmlEmail();
// try {
// hemail.setHostName("smtp.exmail.qq.com");
// hemail.setCharset("utf-8");
// hemail.addTo("fly.1206@qq.com");
// hemail.setFrom("zhoujunfeng@et-bank.com", "周俊峰");
// hemail.setAuthentication("zhoujunfeng@et-bank.com", "31415926@aa");
// hemail.setSubject("sendemail test!");
// hemail.setMsg("<a href=\"http://www.google.cn\">谷歌</a><br/>");
// hemail.send();
// System.out.println("email send true!");
// } catch (Exception e) {
// e.printStackTrace();
// System.out.println("email send error!");
// }
Map<String, Object> map = new HashMap<String, Object>();
map.put("subject", "测试标题");
map.put("content", "测试 内容");
String templatePath = "mailtemplate/test.ftl";
sendFtlMail("test@163.com", "sendemail test!", templatePath, map);
// System.out.println(getFileName("mailtemplate/test.ftl"));
}
}
调用方法：
SendMailUtil.sendCommonMail("xxx.qq.com", "", "XXX异常", e.getMessage());
