The N method belongs to the counter method and is used to count and statistic the core query, cache statistics. But in fact it can be used for other counting purposes, the usage is simpler, calling the format:
N (' Count position ' [, ' step value '])
For example, to count the number of queries in a page, you can use
Indicates that each execution to this location will cause the counter to add 1, before the end of the page, we can use the
$count &http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp;= N" (' read ');To count the number of queries executed by the current page.
If you want the counter to increase by 5 each time, you can change the step value, for example:
It should be noted that the results of the N method page after execution are not brought into the next statistic.
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