1

立即學(xué)習(xí)“PHP免費(fèi)學(xué)習(xí)筆記（深入）”；

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

class QQWry{

var $StartIP=0;

var $EndIP=0;

var $Country='';

var $Local='';

var $CountryFlag=0;

// 標(biāo)識(shí) Country位置

// 0x01,隨后3字節(jié)為Country偏移,沒有Local

// 0x02,隨后3字節(jié)為Country偏移，接著是Local

// 其他,Country,Local,Local有類似的壓縮?？赡芏嘀匾谩?/p>

var $fp;

var $FirstStartIp=0;

var $LastStartIp=0;

var $EndIpOff=0 ;

function getStartIp($RecNo){

$offset=$this->FirstStartIp+$RecNo * 7 ;

@fseek($this->fp,$offset,SEEK_SET) ;

$buf=fread($this->fp ,7) ;

$this->EndIpOff=ord($buf[4])+(ord($buf[5])*256)+(ord($buf[6])*256*256);

$this->StartIp=ord($buf[0])+(ord($buf[1])*256)+(ord($buf[2])*256*256)+(ord($buf[3])*256*256*256);

return $this->StartIp;

}

function getEndIp(){

@fseek ( $this->fp , $this->EndIpOff , SEEK_SET ) ;

$buf=fread ( $this->fp , 5 ) ;

$this->EndIp=ord($buf[0]) + (ord($buf[1])*256) + (ord($buf[2])*256*256) + (ord($buf[3])*256*256*256);

$this->CountryFlag=ord ( $buf[4] ) ;

return $this->EndIp ;

}

function getCountry(){

switch ( $this->CountryFlag ) {

case 1:

case 2:

$this->Country=$this->getFlagStr ( $this->EndIpOff+4) ;

//echo sprintf('EndIpOffset=(%x)',$this->EndIpOff );

$this->Local=( 1 == $this->CountryFlag )? '' : $this->getFlagStr ( $this->EndIpOff+8);

break ;

default :

$this->Country=$this->getFlagStr ($this->EndIpOff+4);

$this->Local=$this->getFlagStr ( ftell ( $this->fp ));

}

}

function getFlagStr ($offset){

$flag=0 ;

while(1){

@fseek($this->fp ,$offset,SEEK_SET) ;

$flag=ord(fgetc($this->fp ) ) ;

if ( $flag == 1 || $flag == 2 ) {

$buf=fread ($this->fp , 3 ) ;

if ($flag==2){

$this->CountryFlag=2;

$this->EndIpOff=$offset - 4 ;

}

$offset=ord($buf[0]) + (ord($buf[1])*256) + (ord($buf[2])* 256*256);

}

else{

break ;

}

}

if($offset

return '';

@fseek($this->fp , $offset , SEEK_SET ) ;

?

return $this->getStr();

}

function getStr ( )

{

$str='' ;

while ( 1 ) {

$c=fgetc ( $this->fp ) ;

//echo "$cn" ;

if(ord($c[0])== 0 )

break ;

$str.= $c ;

}

//echo "$str n";

return $str ;

}

function qqwry ($dotip='') {

if( !is_string($dotip) || $dotip==''){return;}

if(preg_match("/^127/",$dotip)){$this->Country="本地網(wǎng)絡(luò)";return ;}

elseif(preg_match("/^192/",$dotip)) {$this->Country="局域網(wǎng)";return ;}

$nRet;

$ip=$this->IpToInt ( $dotip );

$this->fp= fopen(__QQWRY__, "rb");

if ($this->fp == NULL) {

$szLocal= "OpenFileError";

return 1;

}

@fseek ( $this->fp , 0 , SEEK_SET );

$buf=fread ( $this->fp , 8 );

$this->FirstStartIp=ord($buf[0]) + (ord($buf[1])*256) + (ord($buf[2])*256*256) + (ord($buf[3])*256*256*256);

$this->LastStartIp=ord($buf[4]) + (ord($buf[5])*256) + (ord($buf[6])*256*256) + (ord($buf[7])*256*256*256);

$RecordCount= floor(($this->LastStartIp - $this->FirstStartIp) / 7);

if ($RecordCount

$this->Country="FileDataError";

fclose($this->fp) ;

return 2 ;

}

$RangB= 0;

$RangE= $RecordCount;

// Match ...

while ($RangB

{

$RecNo= floor(($RangB + $RangE) / 2);

$this->getStartIp ( $RecNo ) ;

if ( $ip == $this->StartIp )

{

$RangB=$RecNo ;

break ;

}

if ($ip>$this->StartIp)

$RangB= $RecNo;

else

$RangE= $RecNo;

}

$this->getStartIp ( $RangB ) ;

$this->getEndIp ( ) ;

if ( ( $this->StartIp EndIp >= $ip ) ){

$nRet=0 ;

$this->getCountry ( ) ;

//這樣不太好..............所以..........

$this->Local=str_replace("area error", "",$this->Local);

}

else{

$nRet=3 ;

$this->Country='未知' ;

$this->Local='' ;

}

fclose ( $this->fp );

$this->Country=preg_replace("/(CZ88.NET)|(純真網(wǎng)絡(luò))/","局域網(wǎng)/未知",$this->Country);

$this->Local=preg_replace("/(CZ88.NET)|(純真網(wǎng)絡(luò))/","局域網(wǎng)/未知",$this->Local);

//////////////看看 $nRet在上面的值是什么0和3，于是將下面的行注釋掉

return $nRet ;

//return "$this->Country $this->Local";#如此直接返回位置和國(guó)家便可以了

}

function IpToInt($Ip) {

$array=explode('.',$Ip);

$Int=($array[0] * 256*256*256) + ($array[1]*256*256) + ($array[2]*256) + $array[3];

return $Int;

}

}

?>