mirror of
https://gitee.com/johng/gf.git
synced 2024-12-04 21:28:22 +08:00
55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
package main
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import (
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"bytes"
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"fmt"
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"github.com/gogf/gf/g/net/gtcp"
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"github.com/gogf/gf/g/util/gconv"
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"os"
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)
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func main() {
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conn, err := gtcp.NewConn("www.baidu.com:80")
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if err != nil {
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panic(err)
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}
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defer conn.Close()
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if err := conn.Send([]byte("GET / HTTP/1.1\n\n")); err != nil {
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panic(err)
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}
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header := make([]byte, 0)
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content := make([]byte, 0)
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contentLength := 0
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for {
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data, err := conn.RecvLine()
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// header读取，解析文本长度
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if len(data) > 0 {
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array := bytes.Split(data, []byte(": "))
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// 获得页面内容长度
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if contentLength == 0 && len(array) == 2 && bytes.EqualFold([]byte("Content-Length"), array[0]) {
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contentLength = gconv.Int(array[1])
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}
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header = append(header, data...)
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header = append(header, '\n')
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}
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// header读取完毕，读取文本内容
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if contentLength > 0 && len(data) == 0 {
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content, _ = conn.Recv(contentLength)
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break
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}
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if err != nil {
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fmt.Fprintf(os.Stderr, "ERROR: %s\n", err.Error())
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break
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}
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}
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if len(header) > 0 {
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fmt.Println(string(header))
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}
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if len(content) > 0 {
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fmt.Println(string(content))
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}
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}
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