/**
* 批量写入数据
*
* @param array $fields 字段定义
* @param array $datas 数据（需要和字段定义个数相同）
* @param boolean $ignore 是否为忽略写入（默认否）
* @param string $show_row_count 是否需要返回行数（默认不返回）
*
* @return mixed 若$show_row_count为true，则返加行数，否则无异常返回true
*/
public function insertBatch(array $fields, array $datas, $ignore = false, $show_row_count = false)
{
$sql = 'INSERT';
$ignore && ($sql .= ' IGNORE');
$sql .= " INTO `{$this->_table}` (";
//拼KEY
foreach ($fields as $value) {
$sql .= "`{$value}`,";
}
$sql = rtrim($sql, ',') . ') VALUES';
//接VALUES
$sql_params = array();
foreach ($datas as $values) {
$sql .= '(' . self::repeatParams($values) . '),';
$sql_params = array_merge($sql_params, $values);
}
$sql = rtrim($sql, ',');
if ($show_row_count) {
return $this->_db->exec($sql, $sql_params);
} else {
$this->_db->executeSql($sql, $sql_params);
return true;
}
}
/**
* Deletes this model from table
*
* @return boolean
*/
public function delete()
{
if ($this->id and $this->beforeDelete()) {
$sql = Mysql::prepareDelete(static::getTable(), ['id' => $this->id]);
if (Mysql::exec($sql)) {
return $this->afterDelete();
}
}
return false;
}