golang自动登录https连接并解析得到的json返回值

主要演示go语言自动登录HTPPS连接及cookie的使用,如何解析JSON数据等特性

https返回的json数据格式为

type item struct {
 Id, List_type, Severity int
 list_type_string, Name, Expiration string
 list_type_name, Severity_name string
}
type resData struct {
 Total_count, Total_page, Expect_page, Num_per_page int
 Sort_by, Sort_order string
 List []item
}

注意结构体必须是大写字母开头的成员才会被json.Unmarshal()处理到,对应的数据样例:

{
 "total_count" : 366,
 "total_page" : 1,
 "expect_page" : 1,
 "num_per_page" : 10000000,
 "sort_by" : "id",
 "sort_order" : "desc",
 "list" : [{
 "id" : 3263,
 "list_type" : 2,
 "list_type_string" : "File",
 "name" : "4CDA46B428405E8A155A3AA32E4F25C8EA09B707",
 "severity" : 3,
 "expiration" : "11\/14\/2014 04:51:06",
 "list_type_name" : "File",
 "severity_name" : "High"
 }, {
 "id" : 3262,
 "list_type" : 2,
 "list_type_string" : "File",
 "name" : "ECC3F6D2CB227981C12038D620336617C8EC0B64",
 "severity" : 3,
 "expiration" : "11\/12\/2014 10:02:21",
 "list_type_name" : "File",
 "severity_name" : "High"
 }
 ]
}

go源码如下

// https project main.go
package main
import (
 "crypto/tls"
 "encoding/json"
 "fmt"
 "io/ioutil"
 "net/http"
 "net/http/cookiejar"
 "net/url"
)
type item struct {
 Id, List_type, Severity int
 list_type_string, Name, Expiration string
 list_type_name, Severity_name string
}
type resData struct {
 Total_count, Total_page, Expect_page, Num_per_page int
 Sort_by, Sort_order string
 List []item
}
func check(err error) {
 if err != nil {
 panic(err)
 }
}
func main() {
 //登录URL,即提供账号登录的URL
 loginUrl := "https://10.64.71.8/cgi-bin/logon.cgi"
 loginData := url.Values{"usrname": {"admin"}, "passwd": {"trend#11"}, "isCookieEnable": {"1"}}
 //目标URL,即需要访问的URL
 targetUrl := "https://10.64.71.8/php/blacklist_whitelist_query.php"
 targetData := url.Values{"action": {"query"}, "black_or_white": {"sandbox"},
 "expect_page": {"1"}, "num_per_page": {"10000000"},
 "list_type": {"99"}, "keyword": {""}, "sort_by": {"id"}, "sort_order": {"desc"}}
 var resp *http.Response
 var err error
 var data []byte
 tr := &http.Transport{
 TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
 DisableCompression: true,
 }
 client := &http.Client{Transport: tr}
 //启用cookie
 client.Jar, _ = cookiejar.New(nil)
 resp, err = client.PostForm(loginUrl, loginData)
 check(err)
 resp, err = client.PostForm(targetUrl, targetData)
 check(err)
 if data, err = ioutil.ReadAll(resp.Body); err == nil {
 fmt.Printf("%s\n", data)
 }
//解析返回的JSON数据
 var message resData
 err = json.Unmarshal(data, &message)
 check(err)
 fmt.Printf("%+v\n", message)
 fmt.Printf("%v\t%v\n", message.Total_count, message.List[0].Name)
}

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