golang post发送application/json数据到服务器
import ( "net/http""encoding/json"
"fmt"
"bytes"
"io/ioutil"
"unsafe"
)
type JsonPostSample struct {
}
func (this *JsonPostSample) SamplePost() {
song := make(mapinterface{})
song["name"] = "李白"
song["timelength"] = 128
song["author"] = "李荣浩"
bytesData, err := json.Marshal(song)
if err != nil {
fmt.Println(err.Error() )
return
}
reader := bytes.NewReader(bytesData)
url := "http://localhost/echo.php"
request, err := http.NewRequest("POST", url, reader)
if err != nil {
fmt.Println(err.Error())
return
}
request.Header.Set("Content-Type", "application/json;charset=UTF-8")
client := http.Client{}
resp, err := client.Do(request)
if err != nil {
fmt.Println(err.Error())
return
}
respBytes, err := ioutil.ReadAll(resp.Body)
if err != nil {
fmt.Println(err.Error())
return
}
//byte数组直接转成string，优化内存
str := (*string)(unsafe.Pointer(&respBytes))
fmt.Println(*str)
}
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