安装： go get github.com/pysrc/bs
package main
import (
"fmt"
"github.com/pysrc/bs"
)
var html_doc = `
<html><head><title>The Dormouse's story</title></head>
<body>
<p class="title"><b>The Dormouse's story</b></p>
<p class="story">Once upon a time there were three little sisters; and their names were
<a href="http://example.com/elsie" class="sister" id="link1">Elsie</a>,
<a href="http://example.com/lacie" class="sister" id="link2">Lacie</a> and
<a href="http://example.com/tillie" class="sister" id="link3">Tillie</a>;
and they lived at the bottom of a well.</p>
<p class="story">...</p>
`
func main() {
soup := bs.Init(html_doc)
// 找出所有 a 标签的链接
for i, j := range soup.SelByTag("a") {
fmt.Println(i, (*j.Attrs)["href"])
}
/*Output:
0 http://example.com/elsie
1 http://example.com/lacie
2 http://example.com/tillie
*/
// 获取属性 class="story" 的 p 标签
for i, j := range soup.Sel("p", &map[string]string{"class": "story"}) {
fmt.Println(i, "Tag", j.Tag)
// 找出子标签为 a 的标签
for k, v := range j.SelByTag("a") {
fmt.Println(k, "son", v.Value)
}
}
/*Output:
0 Tag p
0 son Elsie
1 son Lacie
2 son Tillie
1 Tag p
*/
for _, j := range soup.SelById("lin.*") { // 使用正则匹配
fmt.Println("regex", j.Tag, j.Value)
}
/*Output:
regex a Elsie
regex a Lacie
regex a Tillie
*/
// 从url直接解析
soup = bs.Init("https://github.com/")
for _, j := range soup.Sel("title", nil) {
fmt.Println("title:", j.Value)
}
/*Output:
title: The world’s leading software development platform · GitHub
title: 1clr-code-hosting
*/
}type SelFunc interface {
Sel(tag string, attrs *map[string]string) (nodes []*Node)
SelById(id string) []*Node
SelByTag(tag string) []*Node
SelByClass(class string) []*Node
SelByName(name string) []*Node
}type Node struct { // 基本节点结构
Tag string // 标签名
Attrs *map[string]string //属性
Value string // 此节点的值
Sons []*Node // 子节点
}