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package io.hmit.modules.message.email;
import cn.hutool.core.map.MapUtil;
import freemarker.template.Template;
import io.hmit.common.constant.Constant;
import io.hmit.common.exception.ErrorCode;
import io.hmit.common.exception.HmitException;
import io.hmit.modules.message.entity.SysMailTemplateEntity;
import io.hmit.modules.message.service.SysMailLogService;
import io.hmit.modules.message.service.SysMailTemplateService;
import io.hmit.modules.sys.service.SysParamsService;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.javamail.JavaMailSenderImpl;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Component;
import javax.mail.internet.MimeMessage;
import java.io.StringReader;
import java.io.StringWriter;
import java.util.Map;
import java.util.Properties;
/**
* 邮件工具类
*
* @author
*/
@Component
public class EmailUtils {
private Logger logger = LoggerFactory.getLogger(getClass());
@Autowired
private SysParamsService sysParamsService;
@Autowired
private SysMailTemplateService sysMailTemplateService;
@Autowired
private SysMailLogService sysMailLogService;
private final static String KEY = Constant.MAIL_CONFIG_KEY;
private JavaMailSenderImpl createMailSender(EmailConfig config) {
JavaMailSenderImpl sender = new JavaMailSenderImpl();
sender.setHost(config.getSmtp());
sender.setPort(config.getPort());
sender.setUsername(config.getUsername());
sender.setPassword(config.getPassword());
sender.setDefaultEncoding("Utf-8");
Properties p = new Properties();
p.setProperty("mail.smtp.timeout", "10000");
p.setProperty("mail.smtp.auth", "false");
sender.setJavaMailProperties(p);
return sender;
}
/**
* 发送邮件
*
* @param templateId 模板ID
* @param to 收件人
* @param cc 抄送
* @param params 模板参数
* @return true：成功 false：失败
*/
public boolean sendMail(Long templateId, String[] to, String[] cc, Map<String, Object> params) throws Exception {
SysMailTemplateEntity template = sysMailTemplateService.selectById(templateId);
if (template == null) {
throw new HmitException(ErrorCode.MAIL_TEMPLATE_NOT_EXISTS);
}
EmailConfig config = sysParamsService.getValueObject(KEY, EmailConfig.class);
JavaMailSenderImpl mailSender = createMailSender(config);
MimeMessage mimeMessage = mailSender.createMimeMessage();
//设置utf-8编码
MimeMessageHelper messageHelper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
messageHelper.setFrom(config.getUsername());
//收件人
messageHelper.setTo(to);
//抄送
if (cc != null && cc.length > 0) {
messageHelper.setCc(cc);
}
//主题
messageHelper.setSubject(template.getSubject());
//邮件正文
String content = getFreemarkerContent(template.getContent(), params);
messageHelper.setText(content, true);
int status = Constant.SUCCESS;
//发送邮件
try {
mailSender.send(mimeMessage);
} catch (Exception e) {
status = Constant.FAIL;
logger.error("send error", e);
}
sysMailLogService.save(templateId, config.getUsername(), to, cc, template.getSubject(), content, status);
return status == Constant.SUCCESS ? true : false;
}
/**
* 获取Freemarker渲染后的内容
*
* @param content 模板内容
* @param params 参数
*/
private String getFreemarkerContent(String content, Map<String, Object> params) throws Exception {
if (MapUtil.isEmpty(params)) {
return content;
}
//模板
StringReader reader = new StringReader(content);
Template template = new Template("mail", reader, null, "utf-8");
//渲染模板
StringWriter sw = new StringWriter();
template.process(params, sw);
content = sw.toString();
IOUtils.closeQuietly(sw);
return content;
}
/**
* 发送邮件
*
* @param to 收件人
* @param cc 抄送
* @param subject 主题
* @param content 邮件正文
* @return true：成功 false：失败
*/
public boolean sendMail(String[] to, String[] cc, String subject, String content) throws Exception {
EmailConfig config = sysParamsService.getValueObject(KEY, EmailConfig.class);
JavaMailSenderImpl mailSender = createMailSender(config);
MimeMessage mimeMessage = mailSender.createMimeMessage();
//设置utf-8编码
MimeMessageHelper messageHelper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
messageHelper.setFrom(config.getUsername());
//收件人
messageHelper.setTo(to);
//抄送
if (cc != null && cc.length > 0) {
messageHelper.setCc(cc);
}
//主题
messageHelper.setSubject(subject);
//邮件正文
messageHelper.setText(content, true);
int status = Constant.SUCCESS;
//发送邮件
try {
mailSender.send(mimeMessage);
} catch (Exception e) {
status = Constant.FAIL;
logger.error("send error", e);
}
sysMailLogService.save(null, config.getUsername(), to, cc, subject, content, status);
return status == Constant.SUCCESS ? true : false;
}
}