* $tablename 表名， $where 查询条件， $orderby 排序字段（默认以id倒序排列）
*/
function get_rows($tablename, $where="", $orderby=""){
$this->table["tablename"] = $tablename;
$this->table["where"] = $where;
$orderby ? $this->table["orderby"] = $orderby : "";
$arr = array(
"page" => $this->show_page(), //分页代码
"rows" => $this->get_rows_by_sql(), //记录数
"sum" => $this->total_records, //总记录数
);
return $arr;
}
/*
* 特殊查询，$sql_query 查询sql语句, $row_count 统计总数
*/
function get_rows_sql($sql_query, $row_count=0) {
$this->total_records = $row_count;
$arr["rows"] = $this->get_rows_by_sql($sql_query);
$arr["page"] = $this->show_page();
$arr["sum"] = $this->total_records;
return $arr;
}
function get_sql(){
if ($this->total_records>10000) {
