feat: 添加结构化消息json解析逻辑，补充对应的异常捕获

qq_message/mface.go

@@ -0,0 +1,62 @@
+package qq_message
+
+import (
+	"encoding/json"
+	"fmt"
+	"regexp"
+)
+
+// MfaceMessage QQ表情包消息
+type MfaceMessage struct {
+	Type string           `json:"type"`
+	Data MfaceMessageData `json:"data"`
+}
+
+type MfaceMessageData struct {
+	EmojiID        string `json:"emoji_id"`
+	EmojiPackageID string `json:"emoji_package_id"`
+	Key            string `json:"key"`
+	Summary        string `json:"summary,omitempty"`
+}
+
+func init() {
+	RegisterMessageType(TypeMface, func() QQMessage {
+		return NewMfaceMessage()
+	})
+}
+
+func NewMfaceMessage() *MfaceMessage {
+	return &MfaceMessage{Type: TypeMface}
+}
+
+func (msg *MfaceMessage) GetMessageType() string {
+	return TypeMface
+}
+
+func (msg *MfaceMessage) SetData(data json.RawMessage) error {
+	return json.Unmarshal(data, &msg.Data)
+}
+
+func (msg *MfaceMessage) ToCQString() string {
+	if msg.Data.Summary != "" {
+		return fmt.Sprintf("[CQ:mface,emoji_id=%s,emoji_package_id=%s,key=%s,summary=%s]",
+			msg.Data.EmojiID, msg.Data.EmojiPackageID, msg.Data.Key, msg.Data.Summary)
+	}
+	return fmt.Sprintf("[CQ:mface,emoji_id=%s,emoji_package_id=%s,key=%s]",
+		msg.Data.EmojiID, msg.Data.EmojiPackageID, msg.Data.Key)
+}
+
+func (msg *MfaceMessage) ParseMessage(data string) error {
+	re := regexp.MustCompile(`\[CQ:mface,emoji_id=(.*?),emoji_package_id=(.*?),key=(.*?)(?:,summary=(.*?))?\]`)
+	matches := re.FindStringSubmatch(data)
+	if len(matches) < 4 {
+		return fmt.Errorf("表情包数据格式不正确")
+	}
+	msg.Data.EmojiID = matches[1]
+	msg.Data.EmojiPackageID = matches[2]
+	msg.Data.Key = matches[3]
+	if len(matches) > 4 {
+		msg.Data.Summary = matches[4]
+	}
+	return nil
+}