通过go语言实现http请求
http.Post
import (
"net/http"
"net/url"
)
data := url.Values{"start":{"100"}, "hobby":{"xxxx"}}
body := strings.NewReader(data.Encode())
resp, err := http.Post("127.0.0.1:9338", "application/x-www-form-urlencoded", body)
net/http包没有封装直接使用请求带header的get或者post方法，所以，要想请求中带header，只能使用NewRequest方法
http.NewRequest
客户端：
import (
"net/http"
"json"
"ioutil"
)
type Student struct{
id string
name string
}
type StudentReq struct{
id string
name string
}
func main() {
stu := Student{
id:"2ed4tg5fe35fgty3yy6uh",
name:"amber",
}
stu,err := json.Marshal(&stu)
reader := bytes.NewReader(stu)
request,err := http.NewRequest("POST", "http://192.168.1.12:8000/create", reader)
request.Header.Set("Content-Type", "application/json")
client:=&http.Client{}
response,err := client.Do(request)
defer response.Body.Close()
body,err := ioutil.ReadAll(response.Body)
fmt.Printf(string(body))
var stuReq StudentReq
err = json.UnMarshal(body, &stuReq)
fmt.Println(json.MarshalIndent(stuReq))
}
解析：
- stu,err := json.Marshal(&stu)：将stu对象改为json格式
- reader := bytes.NewReader(stu)：所以将json改为byte格式，作为body传给http请求
- request,err := http.NewRequest(“POST”, “http://192.168.1.12:8000/create”, reader)：创建url
- response,err := client.Do(request)：客户端发起请求，接收返回值
- body,err := ioutil.ReadAll(response.Body)：读取body的值，类型是byte
- json.MarshalIndent(stuReq)：修改json为标准格式
注意（坑）：
1、header里的参数是Content-Type，不要写成ContentType
2、【go http: read on closed response body 】如果发送的请求是分为2个func写的，记住defer要在ioutil.ReadAll之后执行，否则报错
gorequest
这种方式适合在url里拼接参数使用param直接传递
"github.com/parnurzeal/gorequest"
func main() {
resp, body, errs := gorequest.New().Post("http://127.0.0.1/create").Param("ip", "192.168.1.4").EndBytes()
if errs != nil || resp.StatusCode >= 300 {
log.Errorf("fail to call api with errors %v, %+v", errs, body)
}
var stuReq StudentReq
err = json.UnMarshal(body, &stuReq)
fmt.Println(json.MarshalIndent(stuReq))
}
