/**
* 获取sql判断语句的值，例如a=b，b的值可能需要根据字段a的类型来选择是否加单引号
* @param $field 字段名
* @param $value 字段值，可以是数组
* @return 根据$field的类型返回相关的字段值，例如'addslashes($value)'
*/
protected function prepareForSql($field, $value)
{
$fields_def = $this->getFields();
$field_info = $fields_def[$field];
$str_value = strval($value);
if (!isset($str_value[0])) {
$value = $field_info['default'];
}
if (empty($field_info)) {
if (is_array($value)) {
if (is_string($value[0])) {
return "'" . implode("','", array_map("elex_addslashes", $value)) . "'";
} else {
return implode(",", $value);
}
} else {
if (is_string($value)) {
return "'" . elex_addslashes($value) . "'";
} else {
return $value;
}
}
}
switch ($field_info['type']) {
case FieldType::TYPE_STRING:
case FieldType::TYPE_PACKED:
if (is_array($value)) {
return "'" . implode("','", array_map("elex_addslashes", $value)) . "'";
}
return "'" . elex_addslashes($value) . "'";
default:
if (is_array($value)) {
return implode(",", $value);
}
return $value;
}
}
/**
* API的主函数
*
*/
public function service()
{
// 验证必要的参数
$this->validate();
$format = getGPC('format', 'string');
$this->setFormat($format);
require_once FRAMEWORK . '/action/ActionInvoker.class.php';
try {
$invoker = new ActionInvoker($this->actionPath);
$params = elex_addslashes($_REQUEST);
$method = getGPC('method', 'string');
$pos = strpos($method, '.');
if ($pos === false) {
$module = '';
$action = $method;
} else {
$module = substr($method, 0, $pos);
$action = substr($method, $pos + 1);
}
$result = $invoker->invoke($module, $action, $params);
echo $this->getReturnResult($result, $this->format);
} catch (Exception $e) {
$this->errorMessage($e->getCode(), $e->getMessage());
}
}
public static function joinPairs($pair_arr, $delemeter = ',')
{
if (empty($pair_arr)) {
return '';
}
$str = '';
$comma = '';
foreach ($pair_arr as $key => $value) {
$str .= $comma . $key . '=';
if (is_int($value)) {
$str .= $value;
} else {
$str .= '\'' . elex_addslashes($value) . '\'';
}
$comma = $delemeter;
}
return $str;
}
