今天为客户制作一个汽车类网站,在用dedecms5.7为客户添加一个产品的分类时,发现只可以添加一级联动和三级联动,二级联动无法添加了,仔细查看源码后发现这又是一个5.7的BUG,解决此问题,只须修改dede/stepselect_main.php的相关内容就可以了。
首先在空间里找到dede/stepselect_main.php 这个文件,然后找到其中的这段代码:
- else if($action=='addenum_save')
- {
- if(emptyempty($ename) || emptyempty($egroup))
- {
- Showmsg("类别名称或组名称不能为空!","-1");
- exit();
- }
- if($issign == 1 || $topvalue == 0)
- {
- $enames = explode(',', $ename);
- foreach($enames as $ename)
- {
- $arr = $dsql->GetOne("SELECT * FROM `#@__sys_enum` WHERE egroup='$egroup' AND (evalue MOD 500)=0 ORDER BY disorder DESC ");
- if(!is_array($arr)) $disorder = $evalue = ($issign==1 ? 1 : 500);
- else $disorder = $evalue = $arr['disorder'] + ($issign==1 ? 1 : 500);
-
- $dsql->ExecuteNoneQuery("INSERT INTO `#@__sys_enum`(`ename`,`evalue`,`egroup`,`disorder`,`issign`)
- VALUES('$ename','$evalue','$egroup','$disorder','$issign'); ");
- }
- WriteEnumsCache($egroup);
- ShowMsg("成功添加枚举分类!".$dsql->GetError(), $ENV_GOBACK_URL);
- exit();
- } else if ($issign == 3 && $topvalue != 0)
- {
- $minid = $topvalue;
- $maxnum = 500;
- $enames = explode(',', $ename);
- foreach ($enames as $ename)
- {
- $arr = $dsql->GetOne("SELECT * FROM `#@__sys_enum` WHERE egroup='$egroup' AND evalue LIKE '$topvalue.%%%' ORDER BY evalue DESC ");
- if(!is_array($arr))
- {
- $disorder = $minid;
- $evalue = $minid.'.001';
- }
- else
- {
- $disorder = $minid;
- preg_match("#([0-9]{1,})\.([0-9]{1,})#", $arr['evalue'], $matchs);
- $addvalue = $matchs[2] + 1;
- $addvalue = sprintf("%03d", $addvalue);
- $evalue = $matchs[1].'.'.$addvalue;
- }
- $sql = "INSERT INTO `#@__sys_enum`(`ename`,`evalue`,`egroup`,`disorder`,`issign`)
- VALUES('$ename','$evalue','$egroup','$disorder','$issign'); ";
-
- $dsql->ExecuteNoneQuery($sql);
- }
-
- WriteEnumsCache($egroup);
- ShowMsg("成功添加枚举分类!".$issign, $ENV_GOBACK_URL);
- exit();
- } else {
- $minid = $topvalue;
- $maxid = $topvalue + 500;
- $enames = explode(',', $ename);
- foreach($enames as $ename)
- {
- $arr &#61; $dsql->GetOne("Select * From &#96;dede_sys_enum&#96; where egroup&#61;&#39;$egroup&#39; And evalue>$minid And evalue<$maxid order by evalue desc ");
- if(!is_array($arr))
- {
- $disorder &#61; $evalue &#61; $minid&#43;1;
- }
- else
- {
- $disorder &#61; $arr[&#39;disorder&#39;]&#43;1;
- $evalue &#61; (int)($arr[&#39;evalue&#39;]&#43;1);
- }
- $dsql->ExecuteNoneQuery("Insert into &#96;dede_sys_enum&#96;(&#96;ename&#96;,&#96;evalue&#96;,&#96;egroup&#96;,&#96;disorder&#96;,&#96;issign&#96;)
- values(&#39;$ename&#39;,&#39;$evalue&#39;,&#39;$egroup&#39;,&#39;$disorder&#39;,&#39;$issign&#39;); ");
- }
- WriteEnumsCache($egroup);
- ShowMsg("成功添加枚举分类&#xff01;".$issign, $ENV_GOBACK_URL);
- exit();
- }
- }
然后保存&#xff0c;在系统后台更新系统缓存就可以了的。现在在后台的联动类别管理里面就可以增加二级选择了。
2.dede/templets/stepselect_main.htm
找到
if($topvalue % 500 !&#61; 0) $arr[&#39;issign&#39;] &#61; 2;
修改为
if($topvalue % 500 !&#61; 0) $arr[&#39;issign&#39;] &#61; 3;
if($topvalue % 500 &#61;&#61; 0) $arr[&#39;issign&#39;] &#61; 2;
以上这样修改后1,2,3 联动能添加&#xff0c;再4级就不行了。应为这里的标记只判断到3&#xff0c;织梦也最多能添加3级联动。所以足够用了。