fix: 序列化 xml 时添加 cdata 标签

message/message.go

@@ -178,20 +178,28 @@ type ResponseEncryptedXMLMsg struct {
 // CommonToken 消息中通用的结构
 type CommonToken struct {
 	XMLName      xml.Name `xml:"xml"`
-	ToUserName   string   `xml:"ToUserName"`
+	ToUserName   CDATA    `xml:"ToUserName"`
-	FromUserName string   `xml:"FromUserName"`
+	FromUserName CDATA    `xml:"FromUserName"`
 	CreateTime   int64    `xml:"CreateTime"`
 	MsgType      MsgType  `xml:"MsgType"`
 }
 
+type CDATA string
+
+func (c CDATA) MarshalXML(e *xml.Encoder, start xml.StartElement) error {
+	return e.EncodeElement(struct {
+		string `xml:",cdata"`
+	}{string(c)}, start)
+}
+
 //SetToUserName set ToUserName
 func (msg *CommonToken) SetToUserName(toUserName string) {
-	msg.ToUserName = toUserName
+	msg.ToUserName = CDATA(toUserName)
 }
 
 //SetFromUserName set FromUserName
 func (msg *CommonToken) SetFromUserName(fromUserName string) {
-	msg.FromUserName = fromUserName
+	msg.FromUserName = CDATA(fromUserName)
 }
 
 //SetCreateTime set createTime

message/text.go

@@ -3,12 +3,12 @@ package message
 //Text 文本消息
 type Text struct {
 	CommonToken
-	Content string `xml:"Content"`
+	Content CDATA `xml:"Content"`
 }
 
 //NewText 初始化文本消息
 func NewText(content string) *Text {
 	text := new(Text)
-	text.Content = content
+	text.Content = CDATA(content)
 	return text
 }