删除xml中的空节点 about wechat HOT 8 CLOSED

type Request struct {
    XMLName struct{} `xml:"xml" json:"-"`
    CommonHead

    // fuck weixin, MsgId != MsgID
    MsgId int64 `xml:"MsgId"`
    MsgID int64 `xml:"MsgID"`

    Content      string  `xml:"Content,omitempty"`
    MediaId      string  `xml:"MediaId,omitempty"`
    PicURL       string  `xml:"PicUrl,omitempty"`
    Format       string  `xml:"Format,omitempty"`
    Recognition  string  `xml:"Recognition,omitempty"`
    ThumbMediaId string  `xml:"ThumbMediaId,omitempty"`
    LocationX    float64 `xml:"Location_X,omitempty"`
    LocationY    float64 `xml:"Location_Y,omitempty"`
    Scale        int     `xml:"Scale,omitempty"`
    Label        string  `xml:"Label,omitempty"`
    Title        string  `xml:"Title,omitempty"`
    Description  string  `xml:"Description,omitempty"`
    URL          string  `xml:"Url,omitempty"`

    Event       string  `xml:"Event,omitempty"`
    EventKey    string  `xml:"EventKey,omitempty"`
    Ticket      string  `xml:"Ticket,omitempty"`
    Latitude    float64 `xml:"Latitude,omitempty"`
    Longitude   float64 `xml:"Longitude,omitempty"`
    Precision   float64 `xml:"Precision,omitempty"`
    Status      string  `xml:"Status,omitempty"`
    TotalCount  int     `xml:"TotalCount,omitempty"`
    FilterCount int     `xml:"FilterCount,omitempty"`
    SentCount   int     `xml:"SentCount,omitempty"`
    ErrorCount  int     `xml:"ErrorCount,omitempty"`
    OrderId     string  `xml:"OrderId,omitempty"`
    OrderStatus int     `xml:"OrderStatus,omitempty"`
    ProductId   string  `xml:"ProductId,omitempty"`
    SkuInfo     string  `xml:"SkuInfo,omitempty"`
}

// 文本消息
//
//  <xml>
//      <ToUserName><![CDATA[gh_xxxxxxxxxxxx]]></ToUserName>
//      <FromUserName><![CDATA[os-IKuHd9pJ6xsn4mS7GyL4HxqI4]]></FromUserName>
//      <CreateTime>1406600283</CreateTime>
//      <MsgType><![CDATA[text]]></MsgType>
//      <Content><![CDATA[测试]]></Content>
//      <MsgId>6041302214229962560</MsgId>
//  </xml>
type Text struct {
    XMLName struct{} `xml:"xml" json:"-"`
    CommonHead

    MsgId   int64  `xml:"MsgId"   json:"MsgId"`   // 消息id, 64位整型
    Content string `xml:"Content" json:"Content"` // 文本消息内容
}

func (req *Request) Text() (text *Text) {
    text = &Text{
        CommonHead: req.CommonHead,
        MsgId:      req.MsgId,
        Content:    req.Content,
    }
    return
}