{"id":799,"date":"2012-04-28T09:02:46","date_gmt":"2012-04-28T01:02:46","guid":{"rendered":"http:\/\/www.poloo.org\/?p=799"},"modified":"2012-04-28T09:02:46","modified_gmt":"2012-04-28T01:02:46","slug":"php%e6%97%a0%e9%99%90%e5%88%86%e7%b1%bb-%e6%94%af%e6%8c%81%e8%be%93%e5%87%ba%e6%a0%91%e7%8a%b6%e5%9b%be","status":"publish","type":"post","link":"https:\/\/www.poloo.org\/?p=799","title":{"rendered":"php\u65e0\u9650\u5206\u7c7b, \u652f\u6301\u8f93\u51fa\u6811\u72b6\u56fe"},"content":{"rendered":"

\"\"<\/p>\n

\"\"
\n<\/p>\n

tree.class.php<\/a><\/p>\n

 <\/p>\n

<?php\r\n\/**\r\n* \u901a\u7528\u7684\u6811\u578b\u7c7b\uff0c\u53ef\u4ee5\u751f\u6210\u4efb\u4f55\u6811\u578b\u7ed3\u6784\r\n*\/\r\nclass tree\r\n{\r\n  \/**\r\n * \u751f\u6210\u6811\u578b\u7ed3\u6784\u6240\u9700\u8981\u76842\u7ef4\u6570\u7ec4\r\n  * @var array\r\n  *\/\r\n  var $arr = array();\r\n\r\n \/**\r\n * \u751f\u6210\u6811\u578b\u7ed3\u6784\u6240\u9700\u4fee\u9970\u7b26\u53f7\uff0c\u53ef\u4ee5\u6362\u6210\u56fe\u7247\r\n * @var array\r\n  *\/\r\n  var $icon = array('\u2502','\u251c','\u2514');\r\n\r\n \/**\r\n * @access private\r\n *\/\r\n  var $ret = '';\r\n\r\n  \/**\r\n * \u6784\u9020\u51fd\u6570\uff0c\u521d\u59cb\u5316\u7c7b\r\n * @param array 2\u7ef4\u6570\u7ec4\uff0c\u4f8b\u5982\uff1a\r\n * array(\r\n  *      1 => array('id'=>'1','parentid'=>0,'name'=>'\u4e00\u7ea7\u680f\u76ee\u4e00'),\r\n *      2 => array('id'=>'2','parentid'=>0,'name'=>'\u4e00\u7ea7\u680f\u76ee\u4e8c'),\r\n *      3 => array('id'=>'3','parentid'=>1,'name'=>'\u4e8c\u7ea7\u680f\u76ee\u4e00'),\r\n *      4 => array('id'=>'4','parentid'=>1,'name'=>'\u4e8c\u7ea7\u680f\u76ee\u4e8c'),\r\n *      5 => array('id'=>'5','parentid'=>2,'name'=>'\u4e8c\u7ea7\u680f\u76ee\u4e09'),\r\n *      6 => array('id'=>'6','parentid'=>3,'name'=>'\u4e09\u7ea7\u680f\u76ee\u4e00'),\r\n *      7 => array('id'=>'7','parentid'=>3,'name'=>'\u4e09\u7ea7\u680f\u76ee\u4e8c')\r\n  *      )\r\n  *\/\r\n  function tree($arr=array())\r\n {\r\n       $this->arr = $arr;\r\n    $this->ret = '';\r\n     return is_array($arr);\r\n }\r\n\r\n    \/**\r\n  * \u5f97\u5230\u7236\u7ea7\u6570\u7ec4\r\n  * @param int\r\n  * @return array\r\n *\/\r\n  function get_parent($myid)\r\n  {\r\n   $newarr = array();\r\n    if(!isset($this->arr[$myid])) return false;\r\n    $pid = $this->arr[$myid]['parentid'];\r\n    $pid = $this->arr[$pid]['parentid'];\r\n   if(is_array($this->arr))\r\n   {\r\n     foreach($this->arr as $id => $a)\r\n      {\r\n       if($a['parentid'] == $pid) $newarr[$id] = $a;\r\n     }\r\n   }\r\n   return $newarr;\r\n }\r\n\r\n    \/**\r\n  * \u5f97\u5230\u5b50\u7ea7\u6570\u7ec4\r\n  * @param int\r\n  * @return array\r\n *\/\r\n  function get_child($myid)\r\n {\r\n   $a = $newarr = array();\r\n   if(is_array($this->arr))\r\n   {\r\n     foreach($this->arr as $id => $a)\r\n      {\r\n       if($a['parentid'] == $myid) $newarr[$id] = $a;\r\n      }\r\n   }\r\n   return $newarr ? $newarr : false;\r\n }\r\n\r\n    \/**\r\n  * \u5f97\u5230\u5f53\u524d\u4f4d\u7f6e\u6570\u7ec4\r\n  * @param int\r\n  * @return array\r\n *\/\r\n  function get_pos($myid,&$newarr)\r\n  {\r\n   $a = array();\r\n   if(!isset($this->arr[$myid])) return false;\r\n        $newarr[] = $this->arr[$myid];\r\n   $pid = $this->arr[$myid]['parentid'];\r\n    if(isset($this->arr[$pid]))\r\n    {\r\n       $this->get_pos($pid,$newarr);\r\n    }\r\n   if(is_array($newarr))\r\n   {\r\n     krsort($newarr);\r\n      foreach($newarr as $v)\r\n      {\r\n       $a[$v['id']] = $v;\r\n      }\r\n   }\r\n   return $a;\r\n  }\r\n\r\n \/**\r\n  * -------------------------------------\r\n   *  \u5f97\u5230\u6811\u578b\u7ed3\u6784\r\n   * -------------------------------------\r\n   * @author  Midnight(\u6768\u4e91\u6d32),  yangyunzhou@foxmail.com\r\n  * @param $myid \u8868\u793a\u83b7\u5f97\u8fd9\u4e2aID\u4e0b\u7684\u6240\u6709\u5b50\u7ea7\r\n   * @param $str \u751f\u6210\u6811\u5f62\u7ed3\u6784\u57fa\u672c\u4ee3\u7801, \u4f8b\u5982: \"<option value=\\$id \\$select>\\$spacer\\$name<\/option>\"\r\n   * @param $sid \u88ab\u9009\u4e2d\u7684ID, \u6bd4\u5982\u5728\u505a\u6811\u5f62\u4e0b\u62c9\u6846\u7684\u65f6\u5019\u9700\u8981\u7528\u5230\r\n  * @param $adds\r\n  * @param $str_group\r\n   * @return unknown_type\r\n  *\/\r\n function get_tree($myid, $str, $sid = 0, $adds = '', $str_group = '')\r\n {\r\n   $number=1;\r\n    $child = $this->get_child($myid);\r\n    if(is_array($child))\r\n    {\r\n       $total = count($child);\r\n     foreach($child as $id=>$a)\r\n     {\r\n       $j=$k='';\r\n       if($number==$total)\r\n       {\r\n         $j .= $this->icon[2];\r\n        }\r\n       else\r\n        {\r\n         $j .= $this->icon[1];\r\n          $k = $adds ? $this->icon[0] : '';\r\n        }\r\n       $spacer = $adds ? $adds.$j : '';\r\n        $selected = $id==$sid ? 'selected' : '';\r\n        @extract($a);\r\n       $parentid == 0 && $str_group ? eval(\"\\$nstr = \\\"$str_group\\\";\") : eval(\"\\$nstr = \\\"$str\\\";\");\r\n       $this->ret .= $nstr;\r\n       $this->get_tree($id, $str, $sid, $adds.$k.'&nbsp;',$str_group);\r\n        $number++;\r\n      }\r\n   }\r\n   return $this->ret;\r\n }\r\n    \/**\r\n  * \u540c\u4e0a\u4e00\u65b9\u6cd5\u7c7b\u4f3c,\u4f46\u5141\u8bb8\u591a\u9009\r\n *\/\r\n  function get_tree_multi($myid, $str, $sid = 0, $adds = '')\r\n  {\r\n   $number=1;\r\n    $child = $this->get_child($myid);\r\n    if(is_array($child))\r\n    {\r\n       $total = count($child);\r\n     foreach($child as $id=>$a)\r\n     {\r\n       $j=$k='';\r\n       if($number==$total)\r\n       {\r\n         $j .= $this->icon[2];\r\n        }\r\n       else\r\n        {\r\n         $j .= $this->icon[1];\r\n          $k = $adds ? $this->icon[0] : '';\r\n        }\r\n       $spacer = $adds ? $adds.$j : '';\r\n\r\n        $selected = $this->have($sid,$id) ? 'selected' : '';\r\n       \/\/echo $sid.'=>'.$id.' : '.$selected.' . <br\/>';\r\n       @extract($a);\r\n       eval(\"\\$nstr = \\\"$str\\\";\");\r\n        $this->ret .= $nstr;\r\n       $this->get_tree_multi($id, $str, $sid, $adds.$k.'&nbsp;');\r\n       $number++;\r\n      }\r\n   }\r\n   return $this->ret;\r\n }\r\n\r\n function have($list,$item){\r\n   return(strpos(',,'.$list.',',','.$item.','));\r\n }\r\n}\r\n?><\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[36,86,63,85],"class_list":["post-799","post","type-post","status-publish","format-standard","hentry","category-Php","tag-php-2","tag-86","tag-63","tag-85"],"_links":{"self":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/799","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=799"}],"version-history":[{"count":1,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/799\/revisions"}],"predecessor-version":[{"id":803,"href":"https:\/\/www.poloo.org\/index.php?rest_route=\/wp\/v2\/posts\/799\/revisions\/803"}],"wp:attachment":[{"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=799"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=799"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.poloo.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=799"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}