本文实例讲述了php实现的表单验证类。分享给大家供大家参考,具体如下:
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<?php /** * 用法 * use Validate\Validator; * * $rules = [ * ['name|名字', 'require|email|in:7,8,9|max:10|min:6|between:6,8|length:2', '名字不能为空|名字必须必须为正确的邮件地址'], * ['test|测试', 'require'], * ]; * $data = ['name' => '8gAg:']; * $validator = new Validator($rules); * $validator->addRule(['name|名字', 'regex', '/^[0-8|a-z]+$/', '正则验证失败哦']); //可以为二维数组,有|的正则验证只能通过addRule。 * $validator->validate($data); * $validator->getAllErrors(); //获取所有验证错误 array * $validator->getError(); //获取第一条验证错误 string * Validator::in('7,8,9', 8); //静态调用 * Validator::isEmail('375373223@qq.com'); */ namespace Validate; class Validator { //错误信息 private $error = []; //传入的验证规则 private $validate = []; //需要验证的参数 private $data = []; //添加的规则 private $add_rules = []; //默认错误提示 private $error_msg = [ 'require' => ':attribute不能为空' , 'number' => ':attribute必须为数字' , 'array' => ':attribute必须为数组' , 'float' => ':attribute必须为浮点数' , 'boolean' => ':attribute必须为布尔值' , 'email' => ':attribute必须为正确的邮件地址' , 'url' => ':attribute必须为正确的url格式' , 'ip' => ':attribute必须为正确的ip地址' , 'timestamp' => ':attribute必须为正确的时间戳格式' , 'date' => ':attribute必须为正确的日期格式' , 'regex' => ':attribute格式不正确' , 'in' => ':attribute必须在:range内' , 'notIn' => ':attribute必须不在:range内' , 'between' => ':attribute必须在:1-:2范围内' , 'notBetween' => ':attribute必须不在:1-:2范围内' , 'max' => ':attribute最大值为:1' , 'min' => ':attribute最小值为:1' , 'length' => ':attribute长度必须为:1' , 'confirm' => ':attribute和:1不一致' , 'gt' => ':attribute必须大于:1' , 'lt' => ':attribute必须小于:1' , 'egt' => ':attribute必须大于等于:1' , 'elt' => ':attribute必须小于等于:1' , 'eq' => ':attribute必须等于:1' , ]; public function __construct( $validate = null) { $this ->validate = $validate ; } /** * [validate 验证] * @param [type] $data [需要验证的参数] * @return [type] [boolean] */ public function validate( $data ) { $this ->data = $data ; foreach ( $this ->validate as $key => $item ) { $item_len = count ( $item ); $name = $item [0]; $rules = $item [1]; $rules = explode ( '|' , $rules ); $message = $item_len > 2 ? explode ( '|' , $item [2]) : null; $this ->check( $name , $rules , $message ); } if (! empty ( $this ->add_rules)) { $this ->checkAddRules(); } return empty ( $this ->error) ? TRUE : FALSE; } /** * [check 单个字段验证] * @param [type] $name [description] * @param [type] $rules [description] * @param [type] $message [description] * @return [type] [null] */ private function check( $name , $rules , $message ) { //$title = $name; $rule_name = $title = $name ; if ( strpos ( $name , '|' )) { $rule_name = explode ( '|' , $name )[0]; $title = explode ( '|' , $name )[1]; } foreach ( $rules as $i => $rule ) { $validate_data = isset( $this ->data[ $rule_name ]) ? $this ->data[ $rule_name ] : null; $result = $this ->checkResult( $rule , $validate_data ); if (! $result ) { $error_info = isset( $message [ $i ]) ? $message [ $i ] : $this ->getMessage( $title , $rule ); if ( $error_info ) { array_push ( $this ->error, $error_info ); } } } } /** * [getMessage 获取验证失败的信息] * @param [type] $name [字段名] * @param [type] $rule [验证规则] * @return [type] [string OR fail false] */ private function getMessage( $name , $rule ) { $value1 = '' ; $value2 = '' ; $range = '' ; $error_key = $rule ; if ( strpos ( $rule , ':' )) { $exp_arr = explode ( ':' , $rule ); $error_key = $exp_arr [0]; $range = $exp_arr [1]; $message_value = explode ( ',' , $exp_arr [1]); $value1 = isset( $message_value [0]) ? $message_value [0] : '' ; $value2 = isset( $message_value [1]) ? $message_value [1] : '' ; } if (isset( $this ->error_msg[ $error_key ])) { return str_replace ([ ':attribute' , ':range' , ':1' , ':2' ], [ $name , $range , $value1 , $value2 ], $this ->error_msg[ $error_key ]); } return false; } /** * [checkResult 字段验证] * @param [type] $rule [验证规则] * @param [type] $validate_data [需要验证的数据] * @return [type] [boolean] */ private function checkResult( $rule , $validate_data ) { switch ( $rule ) { case 'require' : return $validate_data != '' ; break ; case 'number' : return filter_var( $validate_data , FILTER_SANITIZE_NUMBER_INT); break ; case 'array' : return is_array ( $validate_data ); break ; case 'float' : return filter_var( $validate_data , FILTER_VALIDATE_FLOAT); break ; case 'boolean' : return filter_var( $validate_data , FILTER_VALIDATE_BOOLEAN); break ; case 'email' : return filter_var( $validate_data , FILTER_VALIDATE_EMAIL); break ; case 'url' : return filter_var( $validate_data , FILTER_SANITIZE_URL); case 'ip' : return filter_var( $validate_data , FILTER_VALIDATE_IP); break ; case 'timestamp' : return strtotime ( date ( 'Y-m-d H:i:s' , $validate_data )) == $validate_data ; break ; case 'date' : //2017-11-17 12:12:12 return strtotime ( $validate_data ); break ; default : if ( strpos ( $rule , ':' )) { $rule_arr = explode ( ':' , $rule ); $func_name = substr ( $rule , strpos ( $rule , ':' )+1); return call_user_func_array([ $this , $rule_arr [0]], [ $func_name , $validate_data ]); } else { return call_user_func_array([ $this , $rule ], [ $rule , $validate_data ]); } break ; } } /** * [regex 正则验证] * @param [type] $rule [description] * @param [type] $data [description] * @return [type] [description] */ public static function regex( $rule , $data ) { return filter_var( $data , FILTER_VALIDATE_REGEXP, [ "options" => [ "regexp" => $rule ]]); } /** * [addRule 添加规则格式 []] * @param [type] $rule [description] */ public function addRule( $rule ) { if ( is_array (current( $rule ))) { $this ->add_rules = array_merge ( $this ->add_rules, $rule ); } else { array_push ( $this ->add_rules, $rule ); } } /** * [checkAddRules 添加新的规则的验证] * @return [type] [description] */ public function checkAddRules() { foreach ( $this ->add_rules as $key => $item ) { $name = $item [0]; $message = isset( $item [3]) ? $item [3] : null; $rule_name = $title = $name ; if ( strpos ( $name , '|' )) { $rule_name = explode ( '|' , $name )[0]; $title = explode ( '|' , $name )[1]; } $validate_data = isset( $this ->data[ $rule_name ]) ? $this ->data[ $rule_name ] : null; $result = $this ->checkResult( $item [1]. ':' . $item [2], $validate_data ); if (! $result ) { $error_info = isset( $message ) ? $message : $this ->getMessage( $title , $item [1]); if ( $error_info ) { array_push ( $this ->error, $error_info ); } } } } /** * [in description] * @param [type] $rule [验证规则] * @param [type] $data [需要验证的数据] * @return [type] [boolean] */ public static function in( $rule , $data ) { if (! is_array ( $rule )) { $rule = explode ( ',' , $rule ); } return in_array( $data , $rule ); } /** * [in description] * @param [type] $rule [验证规则] * @param [type] $data [需要验证的数据] * @return [type] [boolean] */ public static function notIn( $rule , $data ) { return ! $this ->in( $data , $rule ); } /** * [in description] * @param [type] $rule [验证规则] * @param [type] $data [需要验证的数据] * @return [type] [boolean] */ public static function between( $rule , $data ) { $rule = explode ( ',' , $rule ); return $data >= $rule [0] && $data <= $rule [1]; } /** * [in description] * @param [type] $rule [验证规则] * @param [type] $data [需要验证的数据] * @return [type] [boolean] */ public static function notBetween( $rule , $data ) { return ! $this ->between( $rule , $data ); } /** * [in description] * @param [type] $rule [验证规则] * @param [type] $data [需要验证的数据] * @return [type] [boolean] */ public static function max( $rule , $data ) { return $data <= $rule ; } /** * [in description] * @param [type] $rule [验证规则] * @param [type] $data [需要验证的数据] * @return [type] [boolean] */ public static function min( $rule , $data ) { return $data >= $rule ; } /** * [in description] * @param [type] $rule [验证规则] * @param [type] $data [需要验证的数据] * @return [type] [boolean] */ public static function length( $rule , $data ) { $length = is_array ( $data ) ? count ( $data ) : strlen ( $data ); return $length == $rule ; } /** * [in description] * @param [type] $rule [验证规则] * @param [type] $data [需要验证的数据] * @return [type] [boolean] */ public static function confirm( $rule , $data ) { return isset( $this ->data[ $rule ]) && $data == $this ->data[ $rule ]; } public static function gt( $rule , $data ) { return $data > $rule ; } public static function lt( $rule , $data ) { return $data < $rule ; } public static function egt( $rule , $data ) { return $data >= $rule ; } public static function elt( $rule , $data ) { return $data <= $rule ; } public static function eq( $rule , $data ) { return $data == $rule ; } /** * [in 获取验证失败的第一条信息] * @return [type] [string] */ public function getError() { return count ( $this ->error) > 0 ? $this ->error[0] : null; } /** * [getAllErrors 获取所有验证失败的信息] * @return [type] [array] */ public function getAllErrors() { return $this ->error; } /** * [__call 调用自定义函数或者] * @param [type] $func [验证规则,函数名] * @param [type] $data [验证数据] * @return [type] [boollean] */ function __call( $func , $data ) { $func_arr = get_defined_functions(); if (in_array( $func , $func_arr [ 'user' ])) { return call_user_func( $func , $data ); } else { array_push ( $this ->error, '没有' . $func . '这个方法' ); } } /** * [__callStatic 静态方法调用自定义函数或者] * @param [type] $func [验证规则,函数名] * @param [type] $data [验证数据] * @return [type] [boollean] */ public static function __callStatic( $func , $data ) { if ( substr ( $func , 0, 2) == 'is' ) { return call_user_func_array([ new self, 'checkResult' ], [ strtolower ( substr ( $func , 2)), $data [0]]); } } } |
PS:这里再为大家提供2款非常方便的正则表达式工具供大家参考使用:
JavaScript正则表达式在线测试工具:https://tool.zzvips.com/t/regex/
正则表达式在线生成工具:https://tool.zzvips.com/t/regcode/
希望本文所述对大家PHP程序设计有所帮助。
原文链接:https://blog.csdn.net/fangdong88/article/details/78562635