一个站长常用的类似于获取关键词排名的工具类

01

import

java.io.BufferedReader;

02

import

java.io.InputStream;

03

import

java.io.InputStreamReader;

04

import

java.net.HttpURLConnection;

05

import

java.net.URL;

06

import

java.net.URLEncoder;

07

08

public

class

AnyBaiduKeywordRank
 {

09

10

public

static

String
 request(String url) {

11

StringBuffer
 res =

new

StringBuffer();

12

HttpURLConnection
 conn =

null

;

13

try

{

14

URL
 serverUrl =

new

URL(url);

15

conn
 = (HttpURLConnection) serverUrl.openConnection();

16

conn.setRequestMethod(

"GET"

);

//
 "POST" ,"GET"

17

conn.setConnectTimeout(

10000

);

18

conn.setReadTimeout(

10000

);

19

conn.connect();

20

InputStream
 ins = conn.getInputStream();

21

String
 charset =

"UTF-8"

;

22

InputStreamReader
 inr =

new

InputStreamReader(ins,
 charset);

23

BufferedReader
 bfr =

new

BufferedReader(inr);

24

String
 line =

""

;

25

do

{

26

res.append(line);

27

line
 = bfr.readLine();

28

}

while

(line
 !=

null

);

29

inr.close();

30

bfr.close();

31

}

catch

(Exception
 e) {

32

e.printStackTrace();

33

}

finally

{

34

if

(conn
 !=

null

)
 {

35

conn.disconnect();

36

}

37

}

38

return

res.toString();

39

}

40

41

public

static

void

main(String[]
 args)

throws

Exception
 {

42

String
 keyword =

"分享"

;

43

String
 site =

"javaniu"

;

44

keyword
 = URLEncoder.encode(keyword,

"utf-8"

);

45

int

p
 =

1

;

46

int

s
 =

10

;

47

String
 url =

"http://www.baidu.com/s?wd=%s&pn=%s&ie=utf-8&usm=1&rsv_page=1"

;

48

while

(

true

)
 {

49

int

pn
 = (p -

1

)
 * s;

50

String
 _url = String.format(url, keyword, pn +

""

);

51

System.out.println(

"Request
 url "

+
 _url);

52

String
 html = request(_url);

53

if

(html.indexOf(site)
 != -

1

)
 {

54

System.out.println(

"Find
 keyword"

);

55

break

;

56

}

57

p++;

58

}

59

60

}

61

}