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[Golang] Scrape JavaScript Code via strings Package
source link: http://siongui.github.io/2016/04/18/go-strings-package-scrap-js/
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[Golang] Scrape JavaScript Code via strings Package
April 18, 2016
Scape JavaScript code to get campaign number via Go strings package - answer to Stack Overflow question: How can I scrap values from embedded Javascript in HTML?
so31864758.go | repository | view raw
package main
import (
"bufio"
"fmt"
"os"
"strings"
)
const js = `
<script type="text/javascript" >
var test = {};
test.campaign = "8d26113ba";
test.isTest = "false";
test.sitegroup = "Homepage";
</script>
`
func StringToLines(s string) []string {
var lines []string
scanner := bufio.NewScanner(strings.NewReader(s))
for scanner.Scan() {
lines = append(lines, scanner.Text())
}
if err := scanner.Err(); err != nil {
fmt.Fprintln(os.Stderr, "reading standard input:", err)
}
return lines
}
func getCampaignNumber(line string) string {
tmp := strings.Split(line, "=")[1]
tmp = strings.TrimSpace(tmp)
tmp = tmp[1 : len(tmp)-2]
return tmp
}
func main() {
lines := StringToLines(js)
for _, line := range lines {
if strings.Contains(line, "campaign") {
result := getCampaignNumber(line)
println(result)
}
}
}
Tested on: Ubuntu Linux 15.10, Go 1.6.1.
References:
[1]How can I scrap values from embedded Javascript in HTML? - Stack Overflow
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