Ajax Request VS Normal request

The AJAX request (asynchronized) differs from the message header (header) of the normal request (synchronized):

String Reqtype = Request.getheader ("X-requested-with"), if (null = = Reqtype) {//normal request}else if (Reqtype.equals (" XMLHttpRequest ")) {//ajax Request}

1. Request headers

1. Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8

2. accept-encoding: gzip, deflate, SDCH

3. accept-language: zh-cn,zh;q=0.8,en;q=0.6

4. Connection: keep-alive

5. Cookie: bd_home=0; bd_upn=12314353; Baiduid=6d80ec15fb3f7d55f6cf21531b4789a2:fg=1

6. Host: www.baidu.com

7. Referer: http://news.baidu.com/

8. upgrade-insecure-requests: 1

9. user-agent: mozilla/5.0 (Windows NT 6.1; WOW64) applewebkit/537.36 (khtml, like Gecko) chrome/47.0.2526.106 safari/537.36

Response headers

2. Bdpagetype: 1

4. bdqid: 0xcc5e27ca0001088a

6. Bduserid: 0

8. Cache-control:p rivate

10. Connection: keep-alive

12. content-encoding: gzip

14. content-type: text/html; Charset=utf-8

16. cxy_all: baidu+1e0afc7905a9c9dcea7d6f252627f95b

18. Date: Fri, 06:35:43 GMT

20. Expires: Fri, 06:35:22 GMT

22. Server: bfe/1.0.8.14

24. Set-cookie:P stm=1462516543; Expires=thu, 31-dec-37 23:55:55 GMT; max-age=2147483647; path=/; Domain=.baidu.com

26. Set-cookie: __bsi=17208040824016918998_00_2870_r_n_6_0303_c02f_n_i_i_0; Expires=fri, 06-may-16 06:35:48 GMT; domain=www.baidu.com; path=/

28. Set-cookie: h_ps_pssid=1442_19713_18281_19805_19899_19559_19807_19843_19902_19861_17001_15263_12288; path=/; Domain=.baidu.com

30. Set-cookie: BIDUPSID=6D80EC15FB3F7D55F6CF21531B4789A2; Expires=thu, 31-dec-37 23:55:55 GMT; max-age=2147483647; path=/; Domain=.baidu.com

32. Set-cookie: bd_home=0; path=/

34. Set-cookie: bdsvrtm=0; path=/

36. transfer-encoding: chunked

38. Vary: accept-encoding

40. x-powered-by: hphp

42. x-ua-compatible: ie=edge,chrome=1

2. Ajax Asynchronous Request headers

2. Accept: Text/javascript, Application/javascript, Application/ecmascript, Application/x-ecmascript, */*; q=0.01

4. accept-encoding: gzip, deflate, SDCH

6. accept-language: zh-cn,zh;q=0.8,en;q=0.6

8. Connection: keep-alive

10. Cookie: baiduid=6d80ec15fb3f7d55f6cf21531b4789a2:fg=1; pstm=1462516543; bd_home=0; h_ps_pssid=1442_19713_18281_19805_19899_19559_19807_19843_19902_19861_17001_15263_12288; __bsi=17208040824016918998_00_2870_r_n_6_0303_c02f_n_i_i_0; bidupsid=5081a970dd87c74cffbadf0b28a1af39; bd_upn=12314353

12. Host: www.baidu.com

14. Referer: https://www.baidu.com/

16. user-agent: mozilla/5.0 (Windows NT 6.1; WOW64) applewebkit/537.36 (khtml, like Gecko) chrome/47.0.2526.106 safari/537.36

18. x-requested-with: XMLHttpRequest

Ajax Asynchronous Response Headers

1. Cache-control:p rivate

2. Connection: keep-alive

3. content-length: 95

4. content-type: Baiduapp/json; v6.27.2.14; Charset=utf-8

5. Date: Fri, 06:35:45 GMT

6. Expires: Fri, 07:35:45 GMT

7. Server: bfe/1.0.8.14

8. Set-cookie: __bsi=16943568347195085118_00_0_i_r_1_0303_c02f_n_i_i_0; Expires=fri, 06-may-16 06:35:50 GMT; domain=www.baidu.com; path=/

Ajax Request VS Normal request