golang使用xpath解析html例子
发布时间:2020-12-16 18:26:25 所属栏目:大数据 来源:网络整理
导读:今天在找golang下的xpath库,使用 libxml2 不错。使用示例: package mainimport ("fmt""log""net/http""github.com/lestrrat/go-libxml2")type MyResponse struct {*http.Response}func (response *MyResponse) String() string {return fmt.Sprint(response
今天在找golang下的xpath库,使用 package main import ( "fmt" "log" "net/http" "github.com/lestrrat/go-libxml2" ) type MyResponse struct { *http.Response } func (response *MyResponse) String() string { return fmt.Sprint(response.Response) } func request(method string,url string) *MyResponse { client := http.Client{} request,err := http.NewRequest(method,url,nil) request.Header.Set("User-Agent","Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:43.0) Gecko/20100101 Firefox/43.0") response,err := client.Do(request) if err != nil { log.Fatal(err) } my_response := &MyResponse{response} return my_response } func main() { response := request("GET","http://www.duoshoubang.cn") if doc,err := libxml2.ParseHTMLReader(response.Body); err != nil { log.Fatal(err) } else { defer doc.Free() nodes,err := doc.Find("//div[@class='row download']//img/@src") fmt.Println(nodes.NodeList()[0].TextContent(),err) } } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |