Golang 發送和接收資料公用類

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package RequestCenterimport ("bytes""io""net""runtime""strings""time")//請求結構體type QRequest struct {conn net.Conn}//建構函式func CreateRequest(typename string, host string) *QRequest {request := new(QRequest)//GC析構前調用runtime.SetFinalizer(request, func(q *QRequest) {q.Close()})conn, err := net.Dial(typename, host)if err == nil {request.conn = connreturn request}return nil}//解構函式func (q *QRequest) Close() {q.conn.SetDeadline(time.Now())q.conn.Close()}//發送內容func (q *QRequest) SendData(heads []string, body string) bool {headsStr := strings.Join(heads, "\r\n") + bodycount, err := q.conn.Write([]byte(headsStr))if err != nil || count == 0 {return false}return true}//接收內容func (q *QRequest) ReceiveData(timeout time.Duration) []byte {if timeout > 0 {q.conn.SetReadDeadline(time.Now().Add(time.Millisecond * timeout))}var buf bytes.Bufferbuffer := make([]byte, 8192)for {sizenew, err := q.conn.Read(buffer)buf.Write(buffer[:sizenew])if err == io.EOF || sizenew < 8192 {break}}return buf.Bytes()}