/
filehtml.go
56 lines (49 loc) · 1 KB
/
filehtml.go
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package fileparser
/*
Date:2023.04.23
Author:scl
Description:解析html文件
*/
import (
"errors"
"io"
"os"
"golang.org/x/net/html"
)
//获取文件数据
func GetHtmlDataFile(fileName string, callBack CallBackDataFunc) (err error) {
if callBack == nil {
err = errors.New("callback is nil")
return
}
f, err := os.Open(fileName)
if err != nil {
return
}
defer f.Close()
//处理文件数据
err = GetHtmlData(f, callBack)
return
}
//获取文件数据
func GetHtmlData(fileReader io.Reader, callBack CallBackDataFunc) (err error) {
if callBack == nil || fileReader == nil {
err = errors.New("callBack is nil or io.Reader is nil")
return
}
doc, err := html.Parse(fileReader)
if err != nil {
return
}
var fun func(*html.Node)
fun = func(n *html.Node) {
if n.Type == html.TextNode && len(n.Data) != 0 {
callBack(n.Data, "html")
}
for c := n.FirstChild; c != nil; c = c.NextSibling {
fun(c)
}
}
fun(doc)
return
}