PHP图片采集程序--图片采集类

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Freigeben: 2016-07-25 09:02:08
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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 '<script>alert("采集地址不能为空!")</script>';
  11. exit;
  12. break;
  13. case 2:
  14. echo '<script>alert("需要采集的图片格式,应该为数组!")</script>';
  15. exit;
  16. break;
  17. case 3:
  18. echo '<script>alert("需要采集的图片格式,不能为空!")</script>';
  19. exit;
  20. break;
  21. case 4:
  22. echo '<script>alert("文件名不能含有. / |或用空格开头!")</script>';
  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 '<script>alert("创建文件失败,文件目录不可写!")</script>';
  79. exit;
  80. }
  81. $fw = fwrite($fo,$obj);
  82. echo '
    '.$filename.'采集成功
    ';
  83. }
  84. }
  85. }
  86. }
  87. //地址采集函数,包括图片后缀名
  88. protected function collecturl($url){
  89. set_time_limit(0);
  90. if(is_array($url)){
  91. $arr = array();
  92. $imgkey = array();
  93. foreach($url as $value){
  94. $code = file_get_contents($value);
  95. preg_match_all(self::prel,$code,$arrimg);
  96. $arr = array_merge($arr,$arrimg[0]);
  97. $imgkey = array_merge($imgkey,$arrimg[1]);
  98. }
  99. return array($arr,$imgkey);
  100. }else{
  101. $code = file_get_contents($url);
  102. preg_match_all(self::prel,$code,$arrimg);
  103. return $arrimg;
  104. }
  105. }
  106. //检验数据
  107. private function checkdata($url,$prefix,$style){
  108. if(empty($url)){
  109. return 1;
  110. }elseif(!is_array($style)){
  111. return 2;
  112. }elseif(count($style)==0){
  113. return 3;
  114. }elseif(stripos($prefix,'.') !== false || stripos($prefix,'/') !== false || stripos($prefix,'|') !== false){
  115. return 4;
  116. }
  117. }
  118. }
  119. ?>
复制代码
  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 '<script>alert("采集地址不能为空!")</script>';
  11. exit;
  12. break;
  13. case 2:
  14. echo '<script>alert("需要采集的图片格式,应该为数组!")</script>';
  15. exit;
  16. break;
  17. case 3:
  18. echo '<script>alert("需要采集的图片格式,不能为空!")</script>';
  19. exit;
  20. break;
  21. case 4:
  22. echo '<script>alert("文件名不能含有. / |或用空格开头!")</script>';
  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 '<script>alert("创建文件失败,文件目录不可写!")</script>';
  79. exit;
  80. }
  81. $fw = fwrite($fo,$obj);
  82. echo '
    '.$filename.'采集成功
    ';
  83. }
  84. }
  85. }
  86. }
  87. //地址采集函数,包括图片后缀名
  88. protected function collecturl($url){
  89. set_time_limit(0);
  90. if(is_array($url)){
  91. $arr = array();
  92. $imgkey = array();
  93. foreach($url as $value){
  94. $code = file_get_contents($value);
  95. preg_match_all(self::prel,$code,$arrimg);
  96. $arr = array_merge($arr,$arrimg[0]);
  97. $imgkey = array_merge($imgkey,$arrimg[1]);
  98. }
  99. return array($arr,$imgkey);
  100. }else{
  101. $code = file_get_contents($url);
  102. preg_match_all(self::prel,$code,$arrimg);
  103. return $arrimg;
  104. }
  105. }
  106. //检验数据
  107. private function checkdata($url,$prefix,$style){
  108. if(empty($url)){
  109. return 1;
  110. }elseif(!is_array($style)){
  111. return 2;
  112. }elseif(count($style)==0){
  113. return 3;
  114. }elseif(stripos($prefix,'.') !== false || stripos($prefix,'/') !== false || stripos($prefix,'|') !== false){
  115. return 4;
  116. }
  117. }
  118. }
复制代码


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