简单爬虫，获取网页内容，转码中文

//下载插件工具
go get -v github.com/gpmgo/gopm

//自动导入包插件
gopm get -g -v golang.org/x/tools/cmd/goimports

//转码插件
gopm get -g -v golang.org/x/text

package main

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

func main() {
    resp, err := http.Get("http://www.zhenai.com/zhenghun")
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()
    if resp.StatusCode != http.StatusOK {
        fmt.Println("Error:status code", resp.StatusCode)
        return
    }
    utf8Reader:=transform.NewReader(resp.Body,simplifiedchinese.GBK.NewDecoder())
    all, err := ioutil.ReadAll(utf8Reader)
    if err != nil {
        panic(err)
    }
    fmt.Printf("%s\n", all)
}