PHP图片采集程序--图片采集类

代码来自本人博客： http://www.taoniwu.com/archives/3234.html各位大神如果有什么好的建议，感谢提出~~~~~

1. ?class Collection{
2. protected $url; //采集地址
3. protected $prefix; //重命名文件前缀
4. protected $style; //需要采集的图片格式，传入一个数组
5. const prel = '/(?:http?|https?):\/\/(?:[^\.\/\(\)\?]+)\.(?:[^\.\/]+)\.(?:com|cn|net|org)\/(?:[^\.:\"\'\(\)\?]+)\.(jpg|png|gif)/i'; //采集规则
6. //构造函数
7. function __construct($url,$prefix,$style){
8. switch($this->checkdata($url,$prefix,$style)){
9. case 1:
10. echo '';
11. exit;
12. break;
13. case 2:
14. echo '';
15. exit;
16. break;
17. case 3:
18. echo '';
19. exit;
20. break;
21. case 4:
22. echo '';
23. exit;
24. }
25. $this->url = $url;
26. $this->prefix = $prefix;
27. $this->style = $style;
28. }
29. //开始采集数据
30. public function action(){
31. $url = $this->checkurl();
32. $imgurl = $this->collecturl($url);
33. $this->savafile($imgurl);
34. }
35. //url处理
36. protected function checkurl(){
37. $munprel = '/\([0-9]+,[0-9]+\)/i';
38. $myurl;
39. if(preg_match($munprel,$this->url,$arr)){
40. $temp = substr($arr[0],1,strlen($arr[0])-2);
41. $mymunber = explode(',',$temp);
42. $temparr = explode($arr[0],$this->url);
43. for($i=$mymunber[0];$i $myurl[] = $temparr[0].$i.$temparr[1];
44. }
45. }else{
46. $myurl = $this->url;
47. }
48. return $myurl;
49. }
50. //文件保存
51. protected function savafile($imgurl){
52. if(!empty($imgurl)){
53. foreach($imgurl[0] as $key=>$value){
54. $filename = '';
55. if(in_array($imgurl[1][$key],$this->style)){
56. $size = @getimagesize($value);
57. if($size === false){
58. continue;
59. }
60. list($w,$h,$t,$a) = $size;
61. if($w continue;
62. }
63. ob_start();
64. readfile($value);
65. $obj = ob_get_contents();
66. ob_end_clean();
67. $dir = 'F:/php/';
68. if(!is_dir($dir)){
69. mkdir($dir,0777);
70. }
71. if(!empty($this->prefix)){
72. $filename = $dir.$this->prefix.date('Ymd').rand(10000,99999).'.'.$imgurl[1][$key];
73. }else{
74. $filename = $dir.date('Ymd').rand(10000,99999).'.'.$imgurl[1][$key];
75. }
76. $fo = @fopen($filename,'wb');
77. if($fo === false){
78. echo '';
79. exit;
80. }
81. $fw = fwrite($fo,$obj);
82. echo '
    '.$filename.'采集成功
    ';
83. }
84. }
85. }
86. }
88. //地址采集函数,包括图片后缀名
89. protected function collecturl($url){
90. set_time_limit(0);
91. if(is_array($url)){
92. $arr = array();
93. $imgkey = array();
94. foreach($url as $value){
95. $code = file_get_contents($value);
96. preg_match_all(self::prel,$code,$arrimg);
97. $arr = array_merge($arr,$arrimg[0]);
98. $imgkey = array_merge($imgkey,$arrimg[1]);
99. }
100. return array($arr,$imgkey);
101. }else{
102. $code = file_get_contents($url);
103. preg_match_all(self::prel,$code,$arrimg);
104. return $arrimg;
105. }
106. }
107. //检验数据
108. private function checkdata($url,$prefix,$style){
109. if(empty($url)){
110. return 1;
111. }elseif(!is_array($style)){
112. return 2;
113. }elseif(count($style)==0){
114. return 3;
115. }elseif(stripos($prefix,'.') !== false || stripos($prefix,'/') !== false || stripos($prefix,'|') !== false){
116. return 4;
117. }
118. }
119. }
127. ?>

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1. class Collection{
2. protected $url; //采集地址
3. protected $prefix; //重命名文件前缀
4. protected $style; //需要采集的图片格式，传入一个数组
5. const prel = '/(?:http?|https?):\/\/(?:[^\.\/\(\)\?]+)\.(?:[^\.\/]+)\.(?:com|cn|net|org)\/(?:[^\.:\"\'\(\)\?]+)\.(jpg|png|gif)/i'; //采集规则
6. //构造函数
7. function __construct($url,$prefix,$style){
8. switch($this->checkdata($url,$prefix,$style)){
9. case 1:
10. echo '';
11. exit;
12. break;
13. case 2:
14. echo '';
15. exit;
16. break;
17. case 3:
18. echo '';
19. exit;
20. break;
21. case 4:
22. echo '';
23. exit;
24. }
25. $this->url = $url;
26. $this->prefix = $prefix;
27. $this->style = $style;
28. }
29. //开始采集数据
30. public function action(){
31. $url = $this->checkurl();
32. $imgurl = $this->collecturl($url);
33. $this->savafile($imgurl);
34. }
35. //url处理
36. protected function checkurl(){
37. $munprel = '/\([0-9]+,[0-9]+\)/i';
38. $myurl;
39. if(preg_match($munprel,$this->url,$arr)){
40. $temp = substr($arr[0],1,strlen($arr[0])-2);
41. $mymunber = explode(',',$temp);
42. $temparr = explode($arr[0],$this->url);
43. for($i=$mymunber[0];$i $myurl[] = $temparr[0].$i.$temparr[1];
44. }
45. }else{
46. $myurl = $this->url;
47. }
48. return $myurl;
49. }
50. //文件保存
51. protected function savafile($imgurl){
52. if(!empty($imgurl)){
53. foreach($imgurl[0] as $key=>$value){
54. $filename = '';
55. if(in_array($imgurl[1][$key],$this->style)){
56. $size = @getimagesize($value);
57. if($size === false){
58. continue;
59. }
60. list($w,$h,$t,$a) = $size;
61. if($w continue;
62. }
63. ob_start();
64. readfile($value);
65. $obj = ob_get_contents();
66. ob_end_clean();
67. $dir = 'F:/php/';
68. if(!is_dir($dir)){
69. mkdir($dir,0777);
70. }
71. if(!empty($this->prefix)){
72. $filename = $dir.$this->prefix.date('Ymd').rand(10000,99999).'.'.$imgurl[1][$key];
73. }else{
74. $filename = $dir.date('Ymd').rand(10000,99999).'.'.$imgurl[1][$key];
75. }
76. $fo = @fopen($filename,'wb');
77. if($fo === false){
78. echo '';
79. exit;
80. }
81. $fw = fwrite($fo,$obj);
82. echo '
    '.$filename.'采集成功
    ';
83. }
84. }
85. }
86. }
88. //地址采集函数,包括图片后缀名
89. protected function collecturl($url){
90. set_time_limit(0);
91. if(is_array($url)){
92. $arr = array();
93. $imgkey = array();
94. foreach($url as $value){
95. $code = file_get_contents($value);
96. preg_match_all(self::prel,$code,$arrimg);
97. $arr = array_merge($arr,$arrimg[0]);
98. $imgkey = array_merge($imgkey,$arrimg[1]);
99. }
100. return array($arr,$imgkey);
101. }else{
102. $code = file_get_contents($url);
103. preg_match_all(self::prel,$code,$arrimg);
104. return $arrimg;
105. }
106. }
107. //检验数据
108. private function checkdata($url,$prefix,$style){
109. if(empty($url)){
110. return 1;
111. }elseif(!is_array($style)){
112. return 2;
113. }elseif(count($style)==0){
114. return 3;
115. }elseif(stripos($prefix,'.') !== false || stripos($prefix,'/') !== false || stripos($prefix,'|') !== false){
116. return 4;
117. }
118. }
119. }

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