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关于使用coreseek并为其做分页的介绍

Jun 06, 2016 pm 08:29 PM
coreseek Pagination

本篇文章是对使用coreseek并为其做分页进行了详细的分析介绍,需要的朋友参考下

coreseek 做分页时找数据总量还真不好找。以为他会给一个方法(函数)什么的去获取,结果却不是。
首先需要了解:
num_matches: 当前返回的结果数,免备案空间,max_matches: 最多返回的结果数,默认为1000,用户最多只能看到1000条搜索结果。这个是在csft_mysql.conf中设置的。
total_found: 结果总数。索引中所有满足查询条件的文档总数。这个是在你查询的返回结果中的数组中有的。当然前提是你必须在query前设置:$this->sc->SetArrayResult(true);
total: 最多返回结果数,美国空间,取值取决于max_matches值和total_found值。如果total_found数超过max_matches,则total = max_matches,否则,total = total_found。这个也是在你查询的返回结果中的数组中有的。当然前提也是你必须在query前设置:$this->sc->SetArrayResult(true);
这样,了解了这几个属性之后就可以做分页了。

我们应该使用返回值中的total来做分页总数据。虽然这个不代表真实的返回值(当返回值大于max_matches,也就是1000,如真实返回2500,但是你却只能得到1000)。
代码是:

复制代码 代码如下:


$this->sc->SetServer("127.0.0.1",9312);
$this->sc->SetArrayResult(true);
$this->sc->SetLimits($start,$page);
//如果需要搜索指定全文字段的内容,可以使用扩展匹配模式:
$this->sc->SetMatchMode(SPH_MATCH_ANY);
$res = $this->sc->Query($where,"main");
$count = $res['total'];


这个¥count就是我们要的分页的总数据了。
其他的后续怎么分页是以样式和数据结构做的,不能雷同,并且分页也是基础的东西,美国服务器,所以这里就不再多说分页的详细问题了。我这里单单讨论这个总数据的取值情况。因为很多人都取count($res['matches'])的值,但是这个是分页后的返回结果,你只能得到10,或者20或者其他的值。呵呵,那就搞笑了。
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