/**

 * 插入操作

 * @param unknown $table

 * @param unknown $array

 */

function insert($table,$array){

    $array['password'] = md5($array['password'] );

    $keys = join(",",array_keys($array));

    $vals = "'".join("','",array_values($array))."'";

    $sql = "insert {$table}($keys) values({$vals})";

    mysqli_query(connect(),$sql);

    return mysqli_insert_id(connect());

}