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首頁  >  文章  >  後端開發  >  PHP工具类

PHP工具类

WBOY
WBOY原創
2016-07-25 08:48:392819瀏覽
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


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