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Homephp教程php手册PHP无限级分类查找父层函数

PHP无限级分类查找父层函数

Jun 13, 2016 am 10:36 AM
phpfunctionClassificationunlimitedFind

classID          classFID          className          classCount
      1                   0                    中国                      0
      2                   1                    浙江                      0
      3                   1                    江苏                      0
      4                   2                    杭州                      0
      5                   4                   西湖区                    0

findFather(4,0) 显示 => 杭州

findFather(4,1) 显示 => 浙江

findFather(4,2) 显示 => 中国

findFather(4,3) 显示 => 中国 -> 浙江 -> 杭州

代码如下:

    // ========== findFather函数 START ==========
     // 功能:无限级分类之找出父层的相关数据
     // 参数:$classID,当前子层的编号
     //          $type,0找自己 1找父亲 2找祖先 3找家谱
     // 字段:classID主键,自生成 classFID父编号
     //          className分类名称 classCount分类统计

    function findFather($classID,$type)
     {
        
global $db,$flist,$forefather;
        
define("_STR_CUT", " -> ");

        
$db->query("set names utf8");
        
$sql         = select * from tbl_name where classID = ".$classID.";
        
$result         = $db->query($sql);
        
$recordCount = $result->num_rows;

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