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6.3.3.3 **getCount 获取记录总量** ![](images/cd03f5f13f7104621fc467728232ff138f3268d3.png)![](https://img.kancloud.cn/f2/08/f2084c56de7ca6eba6d9f58b2be0273a_533x305.png) * 范例: ![](images/c44173207334f5d760f53f27b3b59bc04d9b49a7.png)![](https://img.kancloud.cn/e8/45/e845a10419d2f08ab5ba40f6c17b91a2_537x86.png) 6.3.3.4 **getSingleValue查询获取单个值** * 本质就是取出单行数据并取第一列的值 ![](images/da08d3f57bcc533c24c81f37d19e51aa7b452d29.png)![](https://img.kancloud.cn/a1/d0/a1d0f4c590466b0330ac13bf1a6c2b79_504x79.png) 6.3.3.8 **getRandomResult取随机记录** 执行方式类似于findTop,@fast()同样适用,randomCount>1取整数记录,小于1按比例提取 ![](images/05ca8d7e22b9290dd644cb2915302969bcc7a5c8.png)![](https://img.kancloud.cn/0a/f6/0af6c47dfad493d1c795f3f2d76afaea_554x202.png) 代码示例: ![](images/80e86ac86adf2f6cdf397afd6d32c873cbc0aad2.png)![](https://img.kancloud.cn/fa/5e/fa5ef0048685a2811b6fe798b953620c_554x150.png) 第一次执行: ![](images/ddba7a27ae85c2986bcbd019c550b2df4a6d7e35.png)![](https://img.kancloud.cn/fd/f8/fdf873542f6099d49e5b0de0483c1fff_461x139.png) 第二次执行: ![](images/51c66f0e91e1b461e2bbd45674df28b8f3c25386.png)![](https://img.kancloud.cn/7a/cd/7acd6c4dad3d13ba00b63e0733af4f4c_468x136.png) . .