requests

package main

import (
    "net/http"
    "bytes"
    "strconv"
    "regexp"
    "golang.org/x/text/transform"
    "golang.org/x/text/encoding/simplifiedchinese"
    "io/ioutil"
)

var(
    handlerErr = Error{}
)

type Requests struct {}

func (r Requests) Get(url string) string{
    client := http.Client{}
    request,err := http.NewRequest("GET", url, nil)
    handlerErr.logFatal(err)
    response, err := client.Do(request)
    handlerErr.logFatal(err)
    if response.StatusCode == 200{
        buf := new(bytes.Buffer)
        buf.ReadFrom(response.Body)
        return buf.String()
    }else {
        return strconv.Itoa(response.StatusCode)
    }
}

func (r Requests) gbk2utf8(s []byte)([]byte, error){
    reader := transform.NewReader(bytes.NewReader(s), simplifiedchinese.GBK.NewDecoder())
    d, e := ioutil.ReadAll(reader)
    if e != nil {
        return nil, e
    }
    return d, nil
}

func (r Requests) gbk2utf8Str(s string)(string, error){
    b,err := r.gbk2utf8(r.str2byte(s))
    return string(b),err
}

func (r Requests) str2byte(s string)[]byte{
    return []byte(s)
}

func (r Requests) findAllSubMatch(target string, pattern *regexp.Regexp) [][]string{
    return pattern.FindAllStringSubmatch(target, -1)
}