Golang Google警报XML解析

Question

My XML data :

<?xml version="1.0" encoding="utf-8"?>
<feed 
    xmlns="http://www.w3.org/2005/Atom" 
    xmlns:idx="urn:atom-extension:indexing">

    <entry>
        <title type="html">Some Title</title>
        <link href="https://www.google.com"></link>
    </entry>
</feed>

I want to parse Each <entry> with its <title>& <link> tag so far I have successfully parsed the title but no success with <link>.

My Code :

type Entry struct {
    XMLName xml.Name `xml:"entry"`
    Link    string   `xml:"link"`
    Title   string   `xml:"title"`
}

type Feed struct {
    XMLName xml.Name `xml:"feed"`
    Entries []Entry  `xml:"entry"`
}

func (s Entry) String() string {
    return fmt.Sprintf("\t Link : %s - Title : %s 
", s.Link, s.Title)
}

Live demo at http://play.golang.org/p/hteQ5RuMco

Answer 1

You're close. Your code doesn't extract the link URL because it is not the value of the element <link> but it is the value of its attribute "href".

You can extract the value of the attribute with the following code:

type Link struct {
    Href string `xml:"href,attr"`
}

And your modified Entry type:

type Entry struct {
    XMLName xml.Name `xml:"entry"`
    Link    Link     `xml:"link"`
    Title   string   `xml:"title"`
}

Try your modified app on the Go Playground.