Comments (4)
因为 Golang net/http
库的设定,如果在请求头里只指定了 "Accept-Encoding": "gzip"
的话,那么返回的 Body 是不会自动 gzip 解压的,需要手动解压。
解压前把 resp.Contont() 获得的 []byte
转换成 io.Reader
就可以用官方的 compress/gzip
解压了。
package main
import (
"bytes"
"compress/gzip"
"fmt"
"io/ioutil"
dw "github.com/wnanbei/direwolf"
)
func main() {
url := "http://httpbin.org/gzip"
headers := dw.NewHeaders(
"User-Agent", "direwolf",
"Accept-Encoding", "gzip",
)
resp, err := dw.Get(url, headers)
if err != nil {
fmt.Println(err)
return
}
gr, err := gzip.NewReader(bytes.NewReader(resp.Content()))
if err != nil {
fmt.Println(err)
return
}
defer gr.Close()
data, err := ioutil.ReadAll(gr)
if err != nil {
fmt.Println(err)
return
}
fmt.Println(string(data))
}
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@tablecell
我查了下,造成这个原因是因为,这个网页返回的标头中没有 content-length
这个字段,所以在使用 ioutil.ReadAll()
读取内容的时候,会由于不知道何时结尾,并抛 unexpected EOF
这个异常。
其实内容是已经都读到了的,你可以先加上 Accept-Encoding", "gzip
发起请求,然后在 data, err := ioutil.ReadAll(gr)
这个步骤忽略异常即可。
稍后我会更新一下,在构建 Response
时忽略这个异常。
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@tablecell
在版本 0.5.4 中,已经忽略读取 Response.Body
遇到 Unexpected EOF
这个异常,数据可以正常读取。但如果需要自行手动解压 gzip
数据的话,依然可能会遇到这个问题,需要手动忽略这个 io.ErrUnexpectedEOF
异常。
如无疑问,就关闭这个 Issues 了。
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Related Issues (5)
- Params not work as expected HOT 1
- 设置代理有问题 HOT 3
- 请求支持session所有cookie tostring HOT 2
- Post 表单 HOT 1
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