*/
$submail->SetSender('*****@*****.**', '发件人名称');
/*
|可选参数
|--------------------------------------------------------------------------
|设置回复邮件地址
|--------------------------------------------------------------------------
*/
$submail->SetReply('*****@*****.**');
/*
|可选参数
|--------------------------------------------------------------------------
|设置邮件标题
|--------------------------------------------------------------------------
*/
$submail->SetSubject('test SDK');
/*
|可选参数
|--------------------------------------------------------------------------
|设置邮件模板标识
|--------------------------------------------------------------------------
*/
$submail->SetProject('xxxxxxx');
/*
|可选参数
|--------------------------------------------------------------------------
|添加文本变量
|示例为您的模板中包含@var(name)和@var(age)文本变量，以下AddVar方法将替换 @var(name)为leo,@var(age)为32
|可重复调用
|--------------------------------------------------------------------------
*/
