function act_checkAddCoeff()
{
//添加系数中，ajax后台验证是否有相同系数名称、样本类型、样本大小记录
$cName = isset($_POST['cName']) ? $_POST['cName'] : '';
$sampleTypeId = isset($_POST['sampleTypeId']) ? post_check($_POST['sampleTypeId']) : '';
$sizeCodeId = isset($_POST['sizeCodeId']) ? post_check($_POST['sizeCodeId']) : '';
$where = "WHERE cName='{$cName}' AND sampleTypeId='{$sampleTypeId}' AND sizeCodeId='{$sizeCodeId}' ";
$ret = SampleCoefficientModel::getSampleCoefficientCount($where);
if ($ret === 0) {
self::$errCode = "1111";
self::$errMsg = "可以使用";
} else {
self::$errCode = "0000";
self::$errMsg = "不可以使用";
}
}