Slide Web thế hệ mới - Chapter 12 http basic examples

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同じ著者の次の資料Slide Web thế hệ mới - Chapter 12 html 前のコース資料Slide Web thế hệ mới - Chapter 11 http 次のコース資料Slide Web thế hệ mới - Chapter 12 html

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Slide giảng dạy về HTTP cơ bản với hai ví dụ minh họa quy trình request-response giữa trình duyệt và máy chủ web, bao gồm các phương thức GET và POST. Tài liệu trình bày chi tiết các bước xử lý HTTP request, HTTP response headers, và cách truyền dữ liệu biểu mẫu.

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ドキュメント名: Slide Web thế hệ mới - Chapter 12 http basic examples
学校 / コース: Đại học Bách khoa Hà Nội · Web thế hệ mới
内容: Tài liệu giải thích quy trình hoạt động của HTTP qua hai ví dụ minh họa, cho thấy cách trình duyệt gửi yêu cầu và máy chủ phản hồi, bao gồm cả việc xử lý dữ liệu form bằng phương thức GET và POST.
目次
ページ数: 28 ページ
アップロード者: lienhejb

資料の内容

3 ページ

2. Browser sends HTTP request to server GET /comp1274/randyc/lab10done/enter_country.htm HTTP/1.1 Accept: */* Accept-Language: en-us,en-ca;q=0.5 Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727) Host: csweb2.mtroyal.ca Connection: Keep-Alive http://en.wikipedia.org/wiki/HTTP_persistent_connection Sử dụng cùng một TCP connection cho nhiều HTTP request HTTP Request Browser Web Server

4 ページ

3. Server receives and processes the HTTP request HTTP Request Browser Web Server Retrieve Requested file

5 ページ

4. Server sends HTTP response back HTTP/1.1 200 OK Server: Microsoft-IIS/5.0 Server Date: Thu, 30 Mar 2006 19:50:54 GMT Content-Type: text/html HTTP Accept-Ranges: bytes Response Last-Modified: Fri, 24 Mar 2006 17:50:50 GMT Content-Length: 209 Browser <HTML><HEAD><TITLE>Enter A Country</TITLE></HEAD> <BODY> <FORM METHOD=POST ACTION=form_filter.asp> Enter Country Search: <INPUT TYPE=TEXT NAME=Search><P> <INPUT TYPE=SUBMIT> </FORM> </BODY></HTML>

8 ページ

7. Browser sends HTTP request to server POST /comp1274/randyc/lab10done/form_filter.asp HTTP/1.1 Accept: */* Referer: http://csweb2.mtroyal.ca/comp1274/randyc/lab10done/enter_country.htm Accept-Language: en-us,en-ca;q=0.5 Content-Type: application/x-www-form-urlencoded Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727) Host: csweb2.mtroyal.ca Content-Length: 13 Connection: Keep-Alive Cache-Control: no-cache Search=Canada User entered form data goes here in the http request header as a name=value pair

9 ページ

Digression: What if GET rather than POST? <FORM METHOD=GET ACTION=form_filter.asp> Then the user entered form data is added to the requested URL GET /comp1274/randyc/lab10done/form_filter.asp?Search=Canada HTTP/1.1 Versus <FORM METHOD=POST ACTION=form_filter.asp> Then the user entered form data is added to the end of HTTP request header POST /comp1274/randyc/lab10done/form_filter.asp HTTP/1.1 rest of HTTP request header goes here Search=Canada

10 ページ

8. Server receives and processes the HTTP request HTTP Request Browser Web Server Server processes the request

11 ページ

9. Server script generates response sent back to browser HTTP/1.1 200 OK Server: Microsoft-IIS/5.0 Date: Thu, 30 Mar 2006 19:51:06 GMT Content-Length: 164 Content-Type: text/html Cache-control: private <HTML><HEAD><TITLE>Reading Recordsets</TITLE></HEAD> <BODY> <H2>Countries</H2> <TABLE BORDER=1> <TR><TD>2</TD><TD>Canada</TD></TR> </TABLE> </BODY></HTML>

15 ページ

2. Browser sends HTTP request to server GET /comp1274/randyc/lab10done/data_browser.asp HTTP/1.1 Accept: */* Accept-Language: en-us,en-ca;q=0.5 Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727) Host: csweb2.mtroyal.ca Connection: Keep-Alive

16 ページ

3. Server receives and processes the HTTP request HTTP Request Browser Web Server Server processes the request

17 ページ

4. Server script generates response sent back to browser HTTP/1.1 200 OK Server: Microsoft-IIS/5.0 Date: Thu, 30 Mar 2006 19:51:06 GMT Content-Length: 1590 Content-Type: text/html Cache-control: private <HTML><HEAD><TITLE>Data Browser</TITLE></HEAD> <BODY> <HR>SELECT * FROM Movies WHERE RunTime < 90<HR> <TABLE BORDER=1> <TR> <TD><B>Title</B></TD> <TD><B>Release Date</B></TD> <TD><B>Run Time</B></TD> </TR> ...

20 ページ

7. Browser sends HTTP request to server GET /comp1274/randyc/lab10done/movie.asp?ID=84 HTTP/1.1 Accept: */* Referer: http://csweb2.mtroyal.ca/comp1274/randyc/lab10done/data_browser.asp Accept-Language: en-us,en-ca;q=0.5 Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727) Host: csweb2.mtroyal.ca Connection: Keep-Alive

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説明

資料の抜粋

HTTP EXAMPLE 1 1. User makes request 2. Browser sends HTTP request to server GET /comp1274/randyc/lab10done/enter_country.htm HTTP/1.1 Accept: */* Accept-Language: en-us,en-ca;q=0.5 Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727) Host: csweb2.mtroyal.ca Connection: Keep-Alive http://en.wikipedia.org/wiki/HTTP_persistent_connection Sử dụng cùng một TCP connection cho nhiều HTTP request HTTP Request Browser Web Server 3. Server receives and processes the HTTP request HTTP Request Browser Web Server Retrieve Requested file 4. Server sends HTTP response back HTTP/1.1 200 OK Server: Microsoft-IIS/5.0 Date: Thu, 30 Mar 2006 19:50:54 GMT Server Content-Type: text/html Accept-Ranges: bytes Last-Modified: Fri, 24 Mar 2006 17:50:50 GMT HTTP Response Content-Length: 209 Browser <HTML><HEAD><TITLE>Enter A Country</TITLE></HEAD> <BODY> <FORM METHOD=POST ACTION=form_filter.asp> Enter Country Search: <INPUT TYPE=TEXT NAME=Search><P> <INPUT TYPE=SUBMIT> </FORM> </BODY></HTML> 5. Browser displays response 6. User submits data 7. Browser sends HTTP request to server POST /comp1274/randyc/lab10done/form_filter.asp HTTP/1.1 Accept: */* Referer: http://csweb2.mtroyal.ca/comp1274/randyc/lab10done/enter_country.htm Accept-Language: en-us,en-ca;q=0.5 Content-Type: application/x-www-form-urlencoded Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727) Host: csweb2.mtroyal.ca Content-Length: 13 Connection: Keep-Alive Cache-Control: no-cache Search=Canada User entered form data goes here in the http request header as a name=value pair Digression: What if GET rather than POST? <FORM METHOD=GET ACTION=form_filter.asp> Then the user entered form data is added to the requested URL GET /comp1274/randyc/lab10done/form_filter.asp?Search=Canada HTTP/1.1 Ve

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