写了一个基于 Golang 的 HTTP 客户端,可以做为爬虫工具。因为用 Golang 发请求的时候发现有些设置很麻烦,所以参考 Python 的 Requests,写了这个工具。
地址: https://wnanbei.github.io/direwolf/
网站中有完整的中文文档,后续会继续完善和添加新的功能。有兴趣的朋友欢迎在 Gayhub 点个 star,如果有 BUG、问题或者建议,也可以在 Gayhub 的 Issues 页面与我讨论。
以下是部分简单用法的展示:
你可以像下方这样非常简单的发起一个请求:
```go
import (
"fmt"
dw "github.com/wnanbei/direwolf"
)
func main() {
resp, err := dw.Get("http://httpbin.org/get")
if err != nil {
return
}
fmt.Println(resp.Text())
}
```
输出:
```json
{
"args": {},
"headers": {
"Accept-Encoding": "gzip",
"Host": "httpbin.org",
"User-Agent": "direwolf - winter is coming"
},
"origin": "171.217.52.188, 171.217.52.188",
"url": "https://httpbin.org/get"
}
```
除此之外,direwolf 可以很方便的给一个请求添加参数,例如 Headers、Cookies、Params。
```go
import (
"fmt"
dw "github.com/wnanbei/direwolf"
)
func main() {
headers := dw.NewHeaders(
"User-Agent", "direwolf",
)
params := dw.NewParams(
"name", "wnanbei",
"age", "18",
)
cookies := dw.NewCookies(
"sign", "kzhxciuvyqwekhiuxcyvnkjdhiue",
)
resp, err := dw.Get("https://httpbin.org/get", headers, params, cookies)
if err != nil {
return
}
fmt.Println(resp.Text())
}
```
输出:
```json
{
"args": {
"age": "18",
"name": "wnanbei"
},
"headers": {
"Accept-Encoding": "gzip",
"Cookie": "sign=kzhxciuvyqwekhiuxcyvnkjdhiue",
"Host": "httpbin.org",
"User-Agent": "direwolf"
},
"origin": "1.1.1.1, 1.1.1.1",
"url": "https://httpbin.org/get?age=18&name=wnanbei"
}
```
读数据报错 unexpected EOF 如果加> "Accept-Encoding": "gzip", 用resp.Content读出来的是字节,用string(resp.Content()) 是乱码 已提交github issue
#4
更多评论
如果客户端要维护长连接 该怎么写呢
https://wnanbei.github.io/direwolf/docs/tutorial#1-make-request 上没找到
另外如果发送 http头dw.NewHeaders( "Accept-Encoding", "gzip, deflate")
用 "compress/gzip" 的reader, err := gzip.NewReader(resp.Text()) 读取 ,提示
cannot use resp.Text() (type string) as type io.Reader in argument to gzip.NewReader:
string does not implement io.Reader (missing Read method)
比如读这个页面 url="https://blog.csdn.net/yang731227/article/details/89338745"
读resp.Content() 提示 cannot use resp.Content() (type []byte) as type io.Reader in argument to gzip.NewReader:
[]byte does not implement io.Reader (missing Read method)
#2