比较测试PHP+MYSQL分页机制两种方案

============+====+===============================+======+=====+==
记录数 |方案| 次数 1 2 3 4 5 6 7 8 9 0| 平均 | 平均 | 效率比
============+====+===============================+======+====+===
| |第一页 2,1,1,2,1,1,2,2,1,2|1.3 | |
| 一 +-------------------------------+------+ 1.6 |
10000条记录时 | |其它页 2，2,2,3,1,1,2,2,2,2|1.9 | | 4.8125
+----+-------------------- ------------+------+------+
| 二 |每一页 7,7,7,8,8,8,8,8,8,8 |7.7 | 7.7 |
===========+====+============================= =====+=====+======+
| |第一页 25,2,3,2,21,16,9,20,9,9|1.6 | |
| 一 +-----------------------------------+-----+ 7.5 |
20000条记录时 | |其它页 6,6,2,2,4,4,4,1,2,2 |3.3 | | 6.6533
+- --+----------------------------------+------+------+
| 二|每一页 54,50,37,46,49,47,52,50,55,59|49.9 | 49.9 |
============+====+==================================+======+======+====
| |第一页 34,35,24,21,21,21,22,22,21,21| 25.2 |
| 一 +----------------------------------+------+25.95|
30000条记录时 | |其它页 14,27,40,39,37,33,22,30,14,11| 26.7 | | 3.3372
+----+----------------------------------+------+------+
| 二 |每一页 92,90,83,78,93,83,91,79,89,88 | 86.6 | 86.6 |
============+====+==================================+======+======+===