深化smtp文件的支持

interfaces/consts.go

@@ -41,20 +41,42 @@ type EmialConfigDataAliyun struct {
 	ReplyAddress string `json:"reply_address"` // 邮件回复地址
 }
 
+type ContentType string
+
+const (
+	ContentTypeText ContentType = "text"
+	ContentTypeHTML ContentType = "html"
+	ContentTypeAuto ContentType = "auto" // 自动检测
+)
+
+type AttachmentType string
+
+const (
+	AttachmentTypeFile   AttachmentType = "file"   // 普通附件
+	AttachmentTypeInline AttachmentType = "inline" // 内嵌图片
+)
+
 type Message struct {
-	Form       string
-	To         []string
-	Cc         []string
-	Bcc        []string
-	Subject    string
-	Body       string
-	ReplyTo    string
-	Attachment []MessageAttachment // 附件
+	Form        string
+	To          []string
+	Cc          []string
+	Bcc         []string
+	Subject     string
+	Body        string      // 邮件内容
+	BodyType    ContentType // 内容类型：text/html/auto
+	TextBody    string      // 纯文本版本（可选）
+	ReplyTo     string
+	Attachment  []Attachment // 普通附件
+	InlineImage []Attachment // 内嵌图片
 }
 
-type MessageAttachment struct {
-	Content     string
-	ContentType string
+type Attachment struct {
+	Content     string         // 文件路径或内容
+	ContentType string         // MIME类型
+	Name        string         // 文件名
+	CID         string         // Content-ID（内嵌图片用）
+	Type        AttachmentType // 附件类型
+	Data        []byte         // 直接提供字节数据（可选）
 }
 
 type EmailSendRecord struct {

interfaces/interfaces.go

@@ -22,7 +22,7 @@ type EmailFactoryInterface interface {
 }
 
 type DefaultEmail struct {
-	Options   EmailOption
+	Options   Options // 配置信息
 	EmailType EmailType
 }
 

interfaces/options.go

@@ -6,7 +6,7 @@ import (
 	"github.com/yuninks/loggerx"
 )
 
-type EmailOption struct {
+type Options struct {
 	Logger loggerx.LoggerInterface
 
 	Smtp    *EmailConfigDataSmtp    `json:"smtp,omitempty"`    // smtp
@@ -15,42 +15,42 @@ type EmailOption struct {
 	Mailgun *EmialConfigDataMailgun `json:"mailgun,omitempty"` // mailgun
 }
 
-func DefaultOptions() EmailOption {
+func DefaultOptions() Options {
 	ctx := context.Background()
-	return EmailOption{
+	return Options{
 		Logger: loggerx.NewLogger(ctx),
 	}
 }
 
-type Option func(*EmailOption)
+type Option func(*Options)
 
 // 设置日志
 func SetLogger(logger loggerx.LoggerInterface) Option {
-	return func(o *EmailOption) {
+	return func(o *Options) {
 		o.Logger = logger
 	}
 }
 
 func SetSmtp(smtp *EmailConfigDataSmtp) Option {
-	return func(o *EmailOption) {
+	return func(o *Options) {
 		o.Smtp = smtp
 	}
 }
 
 func SetAws(aws *EmailConfigDataAws) Option {
-	return func(o *EmailOption) {
+	return func(o *Options) {
 		o.Aws = aws
 	}
 }
 
 func SetAliyun(aliyun *EmialConfigDataAliyun) Option {
-	return func(o *EmailOption) {
+	return func(o *Options) {
 		o.Aliyun = aliyun
 	}
 }
 
 func SetMailgun(mailgun *EmialConfigDataMailgun) Option {
-	return func(o *EmailOption) {
+	return func(o *Options) {
 		o.Mailgun = mailgun
 	}
 }