if ("add".equals(op)) {
mail.send(email, toAddresses, null, "活动通知", EmailTemplates
.buildAddContent(act.getTime(), act.getTitle(), act
.getId()));
} else if ("edit".equals(op)) {
mail.send(email, toAddresses, null, "活动修改通知", EmailTemplates
.buildEditContent(act.getTime(), act.getTitle(),
EmailConfig.getValue("editContent"), act
.getId()));
} else if ("cancel".equals(op)) {
mail.send(email, toAddresses, null, "活动取消通知", EmailTemplates