go 語言解析複雜json

這是一個建立於 的文章，其中的資訊可能已經有所發展或是發生改變。

// Click here and start typing.package mainimport "fmt"import "encoding/json"type MxRecords struct {Value    stringTtl      intPriority intHostName string}type Data struct {MxRecords []MxRecords}type Response struct {Status string `json:"status"`Data   Data `json:"data"`}type apiR struct {Response Response `json:"response"`}func main() {body := `  {"response": {  "status": "SUCCESS",  "data": {    "mxRecords": [      {        "value": "us2.mx3.mailhostbox.com.",        "ttl": 1,        "priority": 100,        "hostName": "hostname@"      },      {        "value": "us2.mx1.mailhostbox.com.",        "ttl": 1,        "priority": 100,        "hostName": "hostnam233e@"      },      {        "value": "us2.mx2.mailhostbox.com.",        "ttl": 1,        "priority": 100,        "hostName": "@"      }    ],    "cnameRecords": [      {        "aliasHost": "pop.a.co.uk.",        "canonicalHost": "us2.pop.mailhostbox.com."      },      {        "aliasHost": "webmail.a.co.uk.",        "canonicalHost": "us2.webmail.mailhostbox.com."      },      {        "aliasHost": "smtp.a.co.uk.",        "canonicalHost": "us2.smtp.mailhostbox.com."      },      {        "aliasHost": "imap.a.co.uk.",        "canonicalHost": "us2.imap.mailhostbox.com."      }    ],    "dkimTxtRecord": {      "domainname": "20a19._domainkey.a.co.uk",      "value": "\"v=DKIM1; g=*; k=rsa; p=DkfbhO8Oyy0E1WyUWwIDAQAB\"",      "ttl": 1    },    "spfTxtRecord": {      "domainname": "a.co.uk",      "value": "\"v=spf1 redirect=_spf.mailhostbox.com\"",      "ttl": 1    },    "loginUrl": "us2.cp.mailhostbox.com"  }}}`var r apiRerr := json.Unmarshal([]byte(body), &r)if err != nil {fmt.Printf("err was %v", err)}fmt.Println(r.Response.Data.MxRecords[1].HostName)}

參考：

http://segmentfault.com/q/1010000000583211     (原文問題，欄位轉大寫即可)

http://my.oschina.net/golang/blog/210012