http.Client 读gzip内容读不全

package main

import(

"fmt"
"net/http"
"compress/gzip"
)


func main() {
    url := "https://blog.csdn.net/yjp19871013/article/details/82555417"
    client := &http.Client {};
    req, err := http.NewRequest("GET", url, nil);

    if (nil != err) {
        return;
    }
    req.Header.Add("Accept-Encoding", "gzip, deflate");

    resp, err := client.Do(req)

    if (nil != err) {
        return;
    }

    defer resp.Body.Close();
    if 200 == resp.StatusCode {
        a := resp.Header
        for k,
        v := range a {
            fmt.Println(k, v)

        }
        fmt.Println(resp.Header.Get("Content-Encoding"));

        reader, _ := gzip.NewReader(resp.Body)
        for {
            buf := make([] byte, 1024)
            n,err := reader.Read(buf)
            if nil != err {
                return;
            }
            if 0 == n {
                return ;
            }
            fmt.Println(string(buf))
        }
    } else {
        fmt.Println(resp.StatusCode)
    }


}