RequestCheckUtil.php
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<?php
/**
* API入参静态检查类
* 可以对API的参数类型、长度、最大值等进行校验
*
**/
class RequestCheckUtil
{
/**
* 校验字段 fieldName 的值$value非空
*
**/
public static function checkNotNull($value,$fieldName) {
if(self::checkEmpty($value)){
throw new Exception("client-check-error:Missing Required Arguments: " .$fieldName , 40);
}
}
/**
* 检验字段fieldName的值value 的长度
*
**/
public static function checkMaxLength($value,$maxLength,$fieldName){
if(!self::checkEmpty($value) && mb_strlen($value , "UTF-8") > $maxLength){
throw new Exception("client-check-error:Invalid Arguments:the length of " .$fieldName . " can not be larger than " . $maxLength . "." , 41);
}
}
/**
* 检验字段fieldName的值value的最大列表长度
*
**/
public static function checkMaxListSize($value,$maxSize,$fieldName) {
if(self::checkEmpty($value))
return ;
$list=preg_split("/,/",$value);
if(count($list) > $maxSize){
throw new Exception("client-check-error:Invalid Arguments:the listsize(the string split by \",\") of ". $fieldName . " must be less than " . $maxSize . " ." , 41);
}
}
/**
* 检验字段fieldName的值value 的最大值
*
**/
public static function checkMaxValue($value,$maxValue,$fieldName){
if(self::checkEmpty($value))
return ;
self::checkNumeric($value,$fieldName);
if($value > $maxValue){
throw new Exception("client-check-error:Invalid Arguments:the value of " . $fieldName . " can not be larger than " . $maxValue ." ." , 41);
}
}
/**
* 检验字段fieldName的值value 的最小值
*
**/
public static function checkMinValue($value,$minValue,$fieldName) {
if(self::checkEmpty($value))
return ;
self::checkNumeric($value,$fieldName);
if($value < $minValue){
throw new Exception("client-check-error:Invalid Arguments:the value of " . $fieldName . " can not be less than " . $minValue . " ." , 41);
}
}
/**
* 检验字段fieldName的值value是否是number
*
**/
protected static function checkNumeric($value,$fieldName) {
if(!is_numeric($value))
throw new Exception("client-check-error:Invalid Arguments:the value of " . $fieldName . " is not number : " . $value . " ." , 41);
}
/**
* 校验$value是否非空
* if not set ,return true;
* if is null , return true;
*
*
**/
public static function checkEmpty($value) {
if(!isset($value))
return true ;
if($value === null )
return true;
if(trim($value) === "")
return true;
return false;
}
}
?>