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    golang使用正则表达式解析网页

    作者:admin 时间:2021-02-15 21:08

    废话少说,直接奉上代码:

    复制代码 代码如下:

    package main
    import (
    "fmt"
    "time"
    "io/ioutil"
    "net/http"
    "regexp"
    "strings"
    )
    func main() {
        ip_pool := []string{
                    "172.16.1.128",
                    "172.16.1.129",
                    "172.16.1.131",
                    "172.16.1.132",
                    "172.16.1.133",
                    "172.16.1.134",
                    "172.16.1.135",
                    "172.16.1.136",
                    "172.16.1.137",
                    "172.16.1.138",
                    "172.16.1.190",
                }
        for {
            for i:=0;i<len(ip_pool);i++  {
                url := "http://"+ip_pool[i]+":10022"
                //fmt.Println("-----------------",ip_pool[i],"---------")
                 get_url(url)
                time.Sleep(1*time.Millisecond)
            }
    //time.Sleep(time.Second * 60)
        }
    }
    func get_url(url string){
        fmt.Println("----------",url,"----------------")
        resp, err := http.Get(url)
        if err != nil {
            fmt.Println("http get error.")
        }
        defer resp.Body.Close()
        body, err := ioutil.ReadAll(resp.Body)
        if err != nil {
            fmt.Println("http read error")
        }
    src := string(body)
    //将HTML标签全转换成小写
    re, _ := regexp.Compile("\\<[\\S\\s]+?\\>")
    src = re.ReplaceAllStringFunc(src, strings.ToLower)
    //  提取table 标签
    re,_ = regexp.Compile("\\<!doc[\\S\\s]+?\\<table")
    src = re.ReplaceAllString(src, "<table")
    re,_ = regexp.Compile("</table\\>[\\S\\s]+?\\</html\\>")
    src = re.ReplaceAllString(src, "</table>")
    // 干掉行首的空格
     re,_ = regexp.Compile("(\\<tr>)([\\S\\s\\<>\"\\d]+?)(\\</tr>)")
     //src = re.ReplaceAllString(src, "$2")
     src = re.ReplaceAllString(src, "$2]")
     // 去掉<>标签
    re,_ = regexp.Compile("<[\\S\\s]+?>")
    src = re.ReplaceAllString(src, "")
    re,_ = regexp.Compile("\n")
    src = re.ReplaceAllString(src, "")
    re,_ = regexp.Compile("[ ]+")
    src = re.ReplaceAllString(src, " ")
    re,_ = regexp.Compile("]")
     src = re.ReplaceAllString(src, "\n")
    // 变成 json                1           2                3           4
    re,_ = regexp.Compile("(\\w*)(\\w{2}:\\w{2}:\\w{2}:\\w{2}:\\w{2}:\\w{2})([A-Za-z ]*)(\\d{4}-\\d{2}-\\d{2} \\d{2}:\\d{2}:\\d{2} )([V\\d\\.]* )(\\d{4}-\\d{2}-\\d{2}( \\d{2}:\\d{2}(:\\d{2})?)?)")
    /* (((\\d{4}-\\d{2}-\\d{2})+ (\\d{2}:\\d{2}:\\d{2})*?)")
    */
    src = re.ReplaceAllString(src, "$1,$2,$3,$4,$5,$6,")
    //re,_ = regexp.Compile("(<[\\S\\s]*?\">)([\\S\\s]+?)(</t")
    //src = re.ReplaceAllString(src, "$2,")
    // re,_ = regexp.Compile("<[\\S\\s]+?>")
    // src = re.ReplaceAllString(src, "")
    //reg := regexp.MustCompile("([A-Za-z]+?)(\n[\\s]+)([\\d]+)")
    // src =  reg.ReplaceAllString(src, "$1:$3")
    //去除连续的换行符
    //re, _ = regexp.Compile("\\s{2,}")
    //src = re.ReplaceAllString(src, "\n")
    //re = regexp.MustCompile("\n\\d+")
    //fmt.Println(re.ReplaceAllLiteralString("hello\n2\nwork", '\d'))
    src = strings.Replace(src,"虚拟机名称 虚拟机MAC 虚拟机状态 心跳时间 引擎版本 病毒库日期 扫描样本数" , "vm_name,vm_mac,vm_state,vm_heart,vm_eg,vm_av_db,vm_count",-1)
    fmt.Println(src)
    //reg, err := regexp.Compile("[[0-9A-Za-z]{2}:?]{6}")
    //fmt.Printf("%q,%v\n", reg.FindString("00:16:3e:4a:29:35"), err)
    // "Hello",
    // text := "Hello\n123\nGo\n123"
    // reg = regexp.MustCompile("([A-Za-z]+?)(\n)([\\d]+)")
    // fmt.Printf("%q\n", reg.ReplaceAllString(text, "$3:$1"))
    //fmt.Println(strings.TrimSpace(src))
    //去除STYLE
    //re, _ = regexp.Compile("\\<style[\\S\\s]+?\\</style\\>")
    //src = re.ReplaceAllString(src, "")
    //去除SCRIPT
    //re, _ = regexp.Compile("\\<script[\\S\\s]+?\\</script\\>")
    //src = re.ReplaceAllString(src, "")
    //去除所有尖括号内的HTML代码,并换成换行符
    //re, _ = regexp.Compile("\\<[\\S\\s]+?\\>")
    //src = re.ReplaceAllString(src, "\n")
    //去除连续的换行符
    //re, _ = regexp.Compile("\\s{2,}")
    //src = re.ReplaceAllString(src, "\n")
    //fmt.Println(strings.TrimSpace(src))
    }

    js
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