Go实现发送解析GET与POST请求
2024-09-01 05:58:53
参考链接：
https://www.jb51.net/article/115693.htm
https://www.jb51.net/article/60900.htm
https://www.cnblogs.com/5bug/p/8494953.html
1、服务器解析GET请求，返回值为文本格式
package main import (
"log"
"net/http"
) func checkToken(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
if r.Form["token"][0] == "chending123" {
w.WriteHeader(http.StatusOK)
w.Write([]byte("验证成功！"))
} else {
w.WriteHeader(http.StatusNotFound)
w.Write([]byte("验证失败！"))
}
} func main() {
http.HandleFunc("/user/check", checkToken)
er := http.ListenAndServe("localhost:9090", nil)
if er != nil {
log.Fatal("ListenAndServe: ", er)
}
}
2、返回值为json格式
package main import (
"log"
"net/http"
"encoding/json"
) func checkToken(w http.ResponseWriter, r *http.Request) {
r.ParseForm() var result ResponseJson if r.Form["token"][] == "chending123" {
w.WriteHeader(http.StatusOK)
result.Data = "chending"
result.Message = "验证成功！"
} else {
w.WriteHeader(http.StatusNotFound)
result.Message = "验证失败！"
} bytes, _ := json.Marshal(result)
w.Write(bytes)
} func main() {
http.HandleFunc("/user/check", checkToken)
er := http.ListenAndServe("localhost:9090", nil)
if er != nil {
log.Fatal("ListenAndServe: ", er)
}
} type ResponseJson struct {
Data string
Message string
}
3、解析POST请求与解析GET请求方法一致，POST格式为x-www-form-urlencoded
默认地，表单数据会编码为 "application/x-www-form-urlencoded"
4、GET请求样式
http://localhost:9090/user/check?token=chending123
http://localhost:9090/user/confirm?user=chending&pass=123456
5、POST请求样式
http://localhost:9090/user/confirm
以application/json格式发送数据
{
“user”: "chending",
"pass": "123456"
}
6、Go的GET发送
代码如下:
package main
import (
"fmt"
"net/url"
"net/http"
"io/ioutil"
"log"
)
func main() {
u, _ := url.Parse("http://localhost:9001/xiaoyue")
q := u.Query()
q.Set("username", "user")
q.Set("password", "passwd")
u.RawQuery = q.Encode()
res, err := http.Get(u.String());
if err != nil {
log.Fatal(err) return
}
result, err := ioutil.ReadAll(res.Body)
res.Body.Close()
if err != nil {
log.Fatal(err) return
}
fmt.Printf("%s", result)
}
7、Go的POST发送
package main
import (
"fmt"
"net/url"
"net/http"
"io/ioutil"
"log"
"bytes"
"encoding/json"
)
type Server struct {
ServerName string
ServerIP string
}
type Serverslice struct {
Servers []Server
ServersID string
}
func main() {
var s Serverslice
var newServer Server;
newServer.ServerName = "Guangzhou_VPN";
newServer.ServerIP = "127.0.0.1"
s.Servers = append(s.Servers, newServer)
s.Servers = append(s.Servers, Server{ServerName: "Shanghai_VPN", ServerIP: "127.0.0.2"})
s.Servers = append(s.Servers, Server{ServerName: "Beijing_VPN", ServerIP: "127.0.0.3"})
s.ServersID = "team1"
b, err := json.Marshal(s)
if err != nil {
fmt.Println("json err:", err)
}
body := bytes.NewBuffer([]byte(b))
res,err := http.Post("http://localhost:9001/xiaoyue", "application/json;charset=utf-8", body)
if err != nil {
log.Fatal(err)
return
}
result, err := ioutil.ReadAll(res.Body)
res.Body.Close()
if err != nil {
log.Fatal(err)
return
}
fmt.Printf("%s", result)
}
8、GET设置请求头
client := &http.Client{}
url := "http://localhost:9090/tokenconfirm"
reqest, err := http.NewRequest("GET", url, nil)
reqest.Header.Set("Content-Type", "application/json")
reqest.Header.Add("AccessToken", token)
if err != nil {
panic(err)
}
res, err := client.Do(reqest)
defer res.Body.Close()
jsonStr, err := ioutil.ReadAll(res.Body)
if err != nil {
log.Fatal(err)
}
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