[笔记] Golang XML

loveyx · · 1672 次点击 · · 开始浏览

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1. servers.xml

 1 <?xml version="1.0" encoding="utf-8"?>
 2 <servers version="1">
 3 <server>
 4 <serverName>Shanghai_VPN</serverName>
 5 <serverIP>127.0.0.1</serverIP>
 6 </server>
 7 <server>
 8 <serverName>Beijing_VPN</serverName>
 9 <serverIP>127.0.0.2</serverIP>
10 </server>
11 </servers>

2. main.go

 1 package main
 2 
 3 import (
 4     "encoding/xml"
 5     "fmt"
 6     "io/ioutil"
 7     "os"
 8 )
 9 
10 type Recurlyservers struct {
11     XMLName xml.Name `xml:"servers"`
12     Version string   `xml:"version,attr"`
13     Svs     []server `xml:"server"`
14 }
15 
16 type server struct {
17     ServerName string `xml:"serverName"`
18     ServerIP   string `xml:"serverIP"`
19 }
20 
21 func main() {
22     generateXML()
23 }
24 
25 func generateXML() {
26     v := &Recurlyservers{Version: "1"}
27     v.Svs = append(v.Svs, server{"Shanghai_VPN", "127.0.0.1"})
28     v.Svs = append(v.Svs, server{"Beijing_VPN", "127.0.0.1"})
29     output, err := xml.MarshalIndent(v, " ", "  ")
30     if err != nil {
31         fmt.Println("error:%v\n", err)
32     }
33     os.Stdout.Write([]byte(xml.Header))
34     os.Stdout.Write(output)
35 }
36 
37 func unmarshalXML() {
38     file, err := os.Open("servers.xml")
39     if err != nil {
40         fmt.Println("error:%v", err)
41         return
42     }
43     defer file.Close()
44     data, err := ioutil.ReadAll(file)
45     if err != nil {
46         fmt.Println("error:%v, err")
47         return
48     }
49     v := Recurlyservers{}
50     err = xml.Unmarshal(data, &v)
51     if err != nil {
52         fmt.Println("error:%v", err)
53         return
54     }
55     fmt.Println(v)
56 }