masyarakat Belajar Perpustakaan Alatan Masa lapang
cari
Melayu
Rumah > pembangunan bahagian belakang > tutorial php > PHP工具类

PHP工具类

WBOY
Lepaskan： 2016-07-25 08:48:39
asal
3142 orang telah melayarinya
PHP工具类，开发系统必备的类：
表单验证类
验证码类
日志类
分页类
无限极分类类
  1. class Lib_Form
  2. {
  3. private $typeArr=array('isNotEmpty' , 'isInt' , 'isStr' , 'isEmail' , 'isTel' , 'isOnlyNum' , 'hasSet', 'isOnlyChar' , 'isNumAndChar' , 'checkLength');
  4. private $msg = array();
  5. private $code = 0;
  7. public function validata($post)
  8. {
  9. if(!is_array($post))
  10. {
  11. $this->msg[] = 'data is not array';
  12. }
  13. else
  14. {
  15. foreach ($post as $field=>$value)
  16. {
  17. $func = $post[$field]['valid'];
  18. $value = $post[$field]['value'];
  20. $checkLength = 'checkLength';
  21. if($pos = stripos($func , $checkLength)!==false)
  22. {
  23. $condition = substr($func, strlen($checkLength));
  24. $func = $checkLength;
  25. $lengthArr = explode('-', $condition);
  26. self::$func($value , $field , $lengthArr[0] , $lengthArr[1]);
  27. }
  28. else
  29. {
  30. if(!in_array($func , $this->typeArr))
  31. {
  32. $this->msg = $func.' isNotExists';
  33. break;
  34. }
  35. self::$func($value , $field);
  36. }
  37. }
  38. }
  39. return $this->showRestult();
  40. }
  42. private function showRestult()
  43. {
  44. if($this->msg && is_array($this->msg))
  45. {
  46. $this->code = 1;
  47. $msg = implode(',', $this->msg);
  48. $ret = array('code'=>$this->code , 'msg'=>$msg);
  49. return $ret;
  50. }
  51. return array('code'=>$this->code , 'msg'=>'success');
  52. }
  54. private function isNotEmpty($value,$field)
  55. {
  56. if(!$this->hasSet($value, $field)) return false;
  57. $value = trim($value);
  58. if(empty($value))
  59. {
  60. $this->msg[] = $field.' isEmpty';
  61. return false;
  62. }
  63. return true;
  64. }
  66. private function isInt($value,$field)
  67. {
  68. if(!$this->isNotEmpty($value,$field)) return false;
  69. $value = trim($value);
  70. if(!is_int($value))
  71. {
  72. $this->msg[] = $field.' isNotInt';
  73. return false;
  74. }
  75. return true;
  76. }
  78. private function isStr($value,$field)
  79. {
  80. if(!$this->isNotEmpty($value,$field)) return false;
  81. $value = trim($value);
  82. if(!is_string($value))
  83. {
  84. $this->msg[] = $field.' isNotStr';
  85. return false;
  86. }
  87. return true;
  88. }
  90. private function hasSet($value , $field)
  91. {
  92. if(!isset($value))
  93. {
  94. $this->msg[] = $field.' isNotSet';
  95. return false;
  96. }
  97. return true;
  98. }
  100. private function isEmail($value,$field)
  101. {
  102. if(!$this->isNotEmpty($value,$field)) return false;
  103. $value = trim($value);
  104. $pattern = "/^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)$/";
  105. if(!preg_match($pattern, $value))
  106. {
  107. $this->msg[] = $field.' isNotEmail';
  108. return false;
  109. }
  110. return true;
  111. }
  113. private function isTel($value,$field)
  114. {
  115. if(!$this->isNotEmpty($value,$field)) return false;
  116. $value = trim($value);
  117. $pattern = '/^[0-9]{7,11}$/';
  118. if (!preg_match($pattern, $value))
  119. {
  120. $this->msg[] = $field.' isNotTel';
  121. return false;
  122. }
  123. return true;
  124. }
  126. private function isOnlyNum($value,$field)
  127. {
  128. if(!$this->isNotEmpty($value,$field)) return false;
  129. $value = trim($value);
  130. $pattern = "/^[0-9]{1,}$/";
  131. if(!preg_match($pattern, $value))
  132. {
  133. $this->msg[] = $field.' isNotOnlyNum';
  134. return false;
  135. }
  136. return true;
  137. }
  139. private function isOnlyChar($value,$field)
  140. {
  141. if(!$this->isNotEmpty($value,$field)) return false;
  142. $value = trim($value);
  143. $pattern = "/^[a-zA-Z]{1,}$/";
  144. if(!preg_match($pattern, $value))
  145. {
  146. $this->msg[] = $field.' isNotOnlyChar';
  147. return false;
  148. }
  149. return true;
  150. }
  152. private function isNumAndChar($value,$field)
  153. {
  154. if(!$this->isNotEmpty($value,$field)) return false;
  155. $value = trim($value);
  156. $pattern = "/^[a-zA-z0-9]{1,}$/";
  157. if(!preg_match($pattern , $value))
  158. {
  159. $this->msg[] = $field.' isNotNumAndChar';
  160. return false;
  161. }
  162. return true;
  163. }
  165. private function checkLength($value , $field , $minLength , $maxLength)
  166. {
  167. if(!$this->isNotEmpty($value,$field)) return false;
  168. $value = trim($value);
  169. $length = (strlen($value) + mb_strlen($value,'UTF8')) / 2;
  170. if($length $maxLength)
  171. {
  172. $this->msg[] = $field.' isNotInLength';
  173. return false;
  174. }
  175. return true;
  176. }
  177. }
  179. if($_POST['submit'])
  180. {
  181. $form = new Lib_Form();
  182. $post['name'] = array('value'=>$_POST['name'] , 'valid'=>'checkLength6-12');
  183. $post['pwd'] = array('value'=>$_POST['pwd'] , 'valid'=>'checkLength4-12');
  184. $post['sex'] = array('value'=>$_POST['sex'] , 'valid'=>'hasSet');
  186. $ret = $form->validata($post);
  187. if($ret['code'])
  188. {
  189. echo $ret['msg'];
  190. }
  191. }
  192. ?>
复制代码
  1. class Lib_Image
  2. {
  3. private $height = 0;
  4. private $width = 0;
  6. public function __construct($height , $width)
  7. {
  8. $this->height = $height;
  9. $this->width = $width;
  10. }
  12. private function genCode($num)
  13. {
  14. for($i=0;$i {
  15. switch(rand(0,2))
  16. {
  17. case 0:$code[$i]=chr(rand(48,57));break;//数字
  18. case 1:$code[$i]=chr(rand(65,90));break;//大写字母
  19. case 2:$code[$i]=chr(rand(97,122));break;//小写字母
  20. }
  21. }
  22. $_SESSION["VerifyCode"]=$code;
  23. return $code;
  24. }
  26. private function genOther($image)
  27. {
  28. for($i=0;$i {
  29. $dis_color=imagecolorallocate($image,rand(0,2555),rand(0,255),rand(0,255));
  30. imagesetpixel($image,rand(1,$this->width),rand(1,$this->height),$dis_color);
  31. }
  32. }
  34. public function veryCode()
  35. {
  37. $image=imagecreate($this->width,$this->height);
  38. imagecolorallocate($image,255,255,255);
  39. //$this->genOther($image);
  41. $num = 4;
  42. $code = $this->genCode($num);
  43. for($i=0;$i {
  44. $char_color=imagecolorallocate($image,rand(0,2555),rand(0,255),rand(0,255));
  45. imagechar($image,60,($this->width/$num)*$i,rand(0,5),$code[$i],$char_color);
  46. }
  48. header("Content-type:image/png");
  49. imagepng($image);//输出图像到浏览器
  50. imagedestroy($image);//释放资源
  51. }
  52. }
  54. $image = new Lib_Image(25, 65);
  55. $image->veryCode();
  56. ?>
复制代码
  1. class Lib_Log
  2. {
  3. private $logError = 0;
  4. private $logWarn = 1;
  5. private $logDebug = 2;
  6. private $logDir = 'log/';
  7. private $logFile = 'log';
  8. private $fileExt = '.txt';
  9. private $fileHander = null;
  11. public function __construct()
  12. {
  13. if(!is_dir($this->logDir)){
  14. mkdir($this->logDir,0777);
  15. }
  16. $this->logFile .= date('Y-m-d').$this->fileExt;
  17. if(!$this->fileHander = @fopen($this->logDir.$this->logFile, 'a+')){
  18. die('the log file can not be open!');
  19. }
  20. }
  22. public function writeLog($message)
  23. {
  24. $ip = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : '0.0.0.0';
  25. $debug = debug_backtrace(true);
  26. $string = date('Y-m-d H:i:s')."\t";
  27. $string .= $ip."\t";
  28. $string .=$debug[0]['file']."\t";
  29. $string .= "\tline" . $debug[0]['line']."\t";
  30. $string .= json_encode($message)."\r\n";
  31. if(!fwrite($this->fileHander, $string)){
  32. die('the log file can not be written!');
  33. }
  34. }
  36. public function __destruct()
  37. {
  38. if($this->fileHander!=null){
  39. fclose($this->fileHander);
  40. }
  41. }
  43. }
  45. $log = new Lib_Log();
  46. $log->writeLog('the error debug!');
  47. echo "";
  49. ?>
复制代码
  1. class Lib_Page
  2. {
  3. public $currentPage=0; //当前页数
  4. private $totalPage=0; //总页数
  5. private $totalNums=0; //总记录数
  6. private $perNums=0; //每页显示的记录数
  7. private $type = 0; //显示类型
  9. public function __construct($totalNums , $perNums,$type=0)
  10. {
  11. $this->totalNums = intval($totalNums);
  12. $this->perNums = intval($perNums);
  13. $this->totalPage = intval(ceil($this->totalNums / $this->perNums));
  14. $this->currentPage = min(max(1 , $_REQUEST['p']) , $this->totalPage);
  15. $this->type = intval($type);
  16. }
  18. private function first()
  19. {
  20. if ($this->currentPage==1) return false;
  21. return "首页  ";
  22. }
  24. private function last()
  25. {
  26. if ($this->currentPage==$this->totalPage) return false;
  27. return "尾页  ";
  28. }
  30. private function next()
  31. {
  32. $p = min($this->currentPage+1 , $this->totalPage);
  33. if ($p==$this->totalPage) return false;
  34. return "下一页  ";
  35. }
  37. private function prev()
  38. {
  39. $p = max(1 , $this->currentPage - 1);
  40. if($p==1) return false;
  41. return "上一页  ";
  42. }
  44. private function total()
  45. {
  46. return "共 {$this->totalPage} 页 | {$this->totalNums} 条记录 | 当前第 {$this->currentPage} 页";
  47. }
  49. private function page()
  50. {
  51. $show = "";
  52. for ($i=1; $itotalPage; $i++){
  53. if ($i==$this->currentPage)
  54. $show .= "{$i}  ";
  55. else
  56. $show .= "{$i}  ";
  57. }
  58. return $show;
  59. }
  61. public function show()
  62. {
  63. if ($this->type==1) {
  64. return $this->total().' '.$this->page();
  65. }else if($this->type==2){
  66. return $this->total().' '.$this->first().' '.$this->prev().' '.$this->next().' '.$this->last();
  67. }elseif ($this->type==0){
  68. return $this->total().' '.$this->first().' '.$this->prev().' '.$this->page().' '.$this->next().' '.$this->last();
  69. }
  70. }
  72. }
  74. $totalNums = 80;
  75. $perNums = 10;
  76. $page = new Lib_Page($totalNums, $perNums);
  77. echo $page->show();
  78. ?>
复制代码
  1. class Lib_Tree
  2. {
  3. private $items = array();
  4. private $icon = array(
  5. '├',
  6. '  ├',
  7. '    ├',
  8. '      ├',
  9. '        ├',
  10. '          └',
  11. );
  12. private $field = array('id','name');
  13. public $ret = '';
  15. public function __construct($items)
  16. {
  17. $this->items = $items;
  18. }
  20. public function setIcon($icon)
  21. {
  22. $this->icon = $icon;
  23. }
  25. public function getChildren($pid)
  26. {
  27. foreach ($this->items as $item)
  28. {
  29. if($item['pid']==$pid)
  30. {
  31. $children[] = $item;
  32. }
  33. }
  34. return $children && is_array($children) ? $children : false;
  35. }
  37. public function getParent($id)
  38. {
  39. return $this->items[$this->items[$id]['pid']];
  40. }
  42. public function show($pid)
  43. {
  44. $children = $this->getChildren($pid);
  45. if(!$children) return false;
  46. foreach ($children as $child)
  47. {
  48. $this->ret.='
    49. ';
  49. $this->ret.='
    50. ';
  50. $this->ret.='
    51. ';
  51. $this->ret.='
    52. ';
  52. $this->show($child['id']);
  53. }
  54. }
  57. }
  59. $items = array(
  60. array('id'=>1 , 'name'=>'湖北', 'pid'=>0, 'level'=>0),
  61. array('id'=>2 , 'name'=>'武汉', 'pid'=>1, 'level'=>1),
  62. array('id'=>3 , 'name'=>'孝感', 'pid'=>1, 'level'=>1),
  63. array('id'=>4 , 'name'=>'广东', 'pid'=>0, 'level'=>0),
  64. array('id'=>5 , 'name'=>'广州', 'pid'=>4, 'level'=>1),
  65. array('id'=>6 , 'name'=>'深圳', 'pid'=>4, 'level'=>1),
  66. array('id'=>7 , 'name'=>'东莞', 'pid'=>4, 'level'=>1),
  67. array('id'=>8 , 'name'=>'宜昌', 'pid'=>1, 'level'=>1),
  68. array('id'=>9 , 'name'=>'云梦', 'pid'=>3, 'level'=>2),
  69. array('id'=>10 , 'name'=>'南山区', 'pid'=>6, 'level'=>2),
  70. array('id'=>11 , 'name'=>'宝安全', 'pid'=>6, 'level'=>2),
  71. array('id'=>12 , 'name'=>'倒店', 'pid'=>9, 'level'=>3),
  72. array('id'=>13 , 'name'=>'罗范大队', 'pid'=>12, 'level'=>4),
  73. array('id'=>14 , 'name'=>'下范存', 'pid'=>13, 'level'=>5),
  74. );
  76. $tree = new Lib_Tree($items);
  77. $tree->show(0);
  78. echo $tree->ret;
  80. ?>复制代码
    81. 类名 操作
    '.$this->icon[$child['level']].$child['name'].' 删除 添加 修改


Label berkaitan：
PHP工具类
sumber：php.cn
Artikel sebelumnya：ZF框架数据库追踪器使用方法 Artikel seterusnya：ZF框架校验器的使用[自定义校验器与校验器链]
Kenyataan Laman Web ini
Kandungan artikel ini disumbangkan secara sukarela oleh netizen, dan hak cipta adalah milik pengarang asal. Laman web ini tidak memikul tanggungjawab undang-undang yang sepadan. Jika anda menemui sebarang kandungan yang disyaki plagiarisme atau pelanggaran, sila hubungi admin@php.cn
Artikel terbaru oleh pengarang
Isu terkini
Tatasusunan PHP yang diperoleh daripada parameter URL tidak berkelakuan seperti yang diharapkan Saya mempunyai parameter URL yang mengandungi id kategori dan saya mahu menganggapnya seba...
daripada 2024-04-06 22:09:02
0
1
1428
Apakah format pembolehubah dalam nilai pulangan? Saya seorang pelajar baru php. Saya menjumpai sekeping kod: if($x<time()){return[false,...
daripada 2024-04-06 21:55:20
0
1
778
Pertanyaan dan formula membentuk keseluruhan jadual, dengan lajur baharu, dengan lajur baharu ialah formula yang melibatkan nilai lajur bersyarat lain EDIT: Formula mestilah lajur "nilai" - lajur "nilai" dengan user_id te...
daripada 2024-04-06 21:23:40
0
2
530
Pilih produk berkaitan woocommerce menggunakan taksonomi tersuai dengan hierarki 3 tahap Saya mempunyai kedai woocommerce dengan klasifikasi tersuai "Sukan". Klasifikasi...
daripada 2024-04-06 20:05:30
0
1
544
Titik Scatterplot tidak mengekalkan nilai semasa mengezum masuk d3.js Ini adalah kali pertama saya menggunakan d3.js, jadi harap bersabar. Saya melaksanakannya ...
daripada 2024-04-06 18:16:26
0
1
403
Topik-topik yang berkaitan
Lagi>
Cadangan popular
Tutorial Popular
Lagi>
Tutorial berkaitan
Cadangan popular
Kursus terkini
Muat turun terkini
Lagi>
kesan web
Kod sumber laman web
Bahan laman web
Templat hujung hadapan