go 语言解析复杂json

浅浅的花香味﹌ 2022-08-06 09:10 158阅读 0赞

// Click here and start typing.
    package main
    
    import "fmt"
    import "encoding/json"
    
    type MxRecords struct {
    	Value    string
    	Ttl      int
    	Priority int
    	HostName 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 apiR
    	err := json.Unmarshal([]byte(body), &r)
    	if err != nil {
    		fmt.Printf("err was %v", err)
    	}
    
    	fmt.Println(r.Response.Data.MxRecords[1].HostName)
    
    }

参考：

http://segmentfault.com/q/1010000000583211     (原文问题，字段转大写即可)

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