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解组转义XML_Xml_Go - Fatal编程技术网

解组转义XML

解组转义XML,xml,go,Xml,Go,在Go中,我将如何解码这个XML响应?我已经尝试在我的Answerstruct上构建一个自定义的UnMarshal方法,但是运气不太好 <?xml version="1.0"?> <GetAssignmentResponse> <Answer>&lt;?xml version="1.0" encoding="UTF-8" standalone="no"?&gt; &lt;QuestionFormAnswers x

在Go中,我将如何解码这个XML响应?我已经尝试在我的
Answer
struct上构建一个自定义的
UnMarshal
方法,但是运气不太好

<?xml version="1.0"?>
<GetAssignmentResponse>
    <Answer>&lt;?xml version="1.0" encoding="UTF-8" standalone="no"?&gt;
        &lt;QuestionFormAnswers xmlns="http://mechanicalturk.amazonaws.com/AWSMechanicalTurkDataSchemas/2005-10-01/QuestionFormAnswers.xsd"&gt;
        &lt;Answer&gt;
        &lt;QuestionIdentifier&gt;Q1HasEvents&lt;/QuestionIdentifier&gt;
        &lt;FreeText&gt;no&lt;/FreeText&gt;
        &lt;/Answer&gt;
        &lt;/QuestionFormAnswers&gt;
    </Answer>
</GetAssignmentResponse>

?xml version=“1.0”encoding=“UTF-8”standalone=“否”?
问题解答xmlns=”http://mechanicalturk.amazonaws.com/AWSMechanicalTurkDataSchemas/2005-10-01/QuestionFormAnswers.xsd"
答复
问题标识符Q1HasEvents/QuestionIdentifier
FreeTextno/FreeText
/答复
/问题解答
像这样解码两次()

主程序包
进口(
“编码/xml”
“fmt”
)
风险值数据=`
?xml version=“1.0”encoding=“UTF-8”standalone=“否”?
问题解答xmlns=”http://mechanicalturk.amazonaws.com/AWSMechanicalTurkDataSchemas/2005-10-01/QuestionFormAnswers.xsd"
答复
问题标识符Q1HasEvents/QuestionIdentifier
FreeTextno/FreeText
/答复
/问题解答
`
类型响应结构{
XMLName xml.Name`xml:“GetAssignmentResponse”`
应答字符串`xml:“应答”`
}
类型应答结构{
XMLName xml.Name`xml:“QuestionFormAnswers”`
FreeText字符串`xml:“FreeText”`
}
func main(){
v:=响应{}
错误:=xml.Unmarshal([]字节(数据),&v)
如果错误!=零{
fmt.Printf(“错误:%v”,错误)
返回
}
fmt.Printf(“答案=%q\n”,v.Answer)
答:=答案{}
err=xml.Unmarshal([]字节(v.Answer),&a)
如果错误!=零{
fmt.Printf(“错误:%v”,错误)
返回
}
fmt.Printf(“答案=%#v\n”,a)
}

作为替代方案,它也可以工作,但没有那么优雅

func (l *AssignmentAnswer) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
    var (
        content string
        resp QuestionFormAnswers
    )
    if err := d.DecodeElement(&content, &start); err != nil {
        return err
    }
    c := strings.NewReader(html.UnescapeString(content))

    dec := xml.NewDecoder(c)
    if err := dec.Decode(&resp); err != nil{
        return err
    }

    *l = AssignmentAnswer{resp}
    return nil
}

type QuestionFormAnswers struct{
    Answers []Answer `xml:"Answer"`
}

type AssignmentAnswer struct{
    QuestionFormAnswers QuestionFormAnswers
}

type Assignment struct{
    AssignmentId     string
    WorkerId         string
    HITId            string
    AssignmentStatus string
    AutoApprovalTime string
    AcceptTime       string
    SubmitTime       string
    ApprovalTime     string
    Answers          AssignmentAnswer `xml:"Answer"`
}

这太棒了,我不知道这篇文章是自动的“未替换”。
func (l *AssignmentAnswer) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
    var (
        content string
        resp QuestionFormAnswers
    )
    if err := d.DecodeElement(&content, &start); err != nil {
        return err
    }
    c := strings.NewReader(html.UnescapeString(content))

    dec := xml.NewDecoder(c)
    if err := dec.Decode(&resp); err != nil{
        return err
    }

    *l = AssignmentAnswer{resp}
    return nil
}

type QuestionFormAnswers struct{
    Answers []Answer `xml:"Answer"`
}

type AssignmentAnswer struct{
    QuestionFormAnswers QuestionFormAnswers
}

type Assignment struct{
    AssignmentId     string
    WorkerId         string
    HITId            string
    AssignmentStatus string
    AutoApprovalTime string
    AcceptTime       string
    SubmitTime       string
    ApprovalTime     string
    Answers          AssignmentAnswer `xml:"Answer"`
}