接上php无限分类
先写index方法因为直接赋值刚才那个过来即可
public function index(){ $cats = D('category')->catTree(); $this -> assign('cats',$cats); $this -> display(); }
然后在view下的index.html模版里进行遍历
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>SHOP 管理中心 - 商品分类 </title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link href="__ADMIN__/styles/general.css" rel="stylesheet" type="text/css" /> <link href="__ADMIN__/styles/main.css" rel="stylesheet" type="text/css" /> </head> <body> <h1> <span class="action-span"><a href="__MODULE__/category/add">添加分类</a></span> <span class="action-span1"><a href="index.php?p=admin&c=index&a=index">SHOP 管理中心</a> </span><span id="search_id" class="action-span1"> - 商品分类 </span> <div style="clear:both"></div> </h1> <form method="post" action="" name="listForm"> <!-- start ad position list --> <div class="list-div" id="listDiv"> <table width="100%" cellspacing="1" cellpadding="2" id="list-table"> <tbody> <tr> <th>分类名称</th> <th>商品数量</th> <th>数量单位</th> <th>导航栏</th> <th>是否显示</th> <th>价格分级</th> <th>排序</th> <th>操作</th> </tr> <volist name="cats" id="vo"> <tr align="center" class="0" id="0_1"> <td align="left" class="first-cell"> {$vo['level']|str_repeat=" ",###} <img src="__ADMIN__/images/menu_minus.gif" id="icon_0_1" width="9" height="9" border="0" style="margin-left:0em" onclick="rowClicked(this)"> <span><a href="goods.php?act=list&cat_id=1">{$vo['cat_name']}</a></span> </td> <td width="10%">0</td> <td width="10%"><span onclick="listTable.edit(this, 'edit_measure_unit', 1)" title="点击修改内容" style="">{$vo['unit']}</span></td> <td width="10%"><img src="__ADMIN__/images/no.gif" onclick="listTable.toggle(this, 'toggle_show_in_nav', 1)"></td> <td width="10%"><img src=" <if condition="$vo['is_show'] eq 1"> __ADMIN__/images/yes.gif" <else /> __ADMIN__/images/no.gif" </if> onclick="listTable.toggle(this, 'toggle_is_show', 1)"></td> <td><span onclick="listTable.edit(this, 'edit_grade', 1)" title="点击修改内容" style="">5</span></td> <td width="10%" align="right"><span onclick="listTable.edit(this, 'edit_sort_order', 1)" title="点击修改内容" style="">{$vo['sort_order']}</span></td> <td width="24%" align="center"> <a href="category.php?act=move&cat_id=1">转移商品</a> | <a href="__CONTROLLER__/edit/id/{$vo['cat_id']}">编辑</a> | <a href="__CONTROLLER__/del/id/{$vo['cat_id']}" onclick="return confirm('您是否真的删除这个品牌呢?')" title="移除">移除</a> </td> </tr> </volist> </tbody> </table> </div> </form> </table> </div> </form> <div id="footer"> 版权所有 © 2014-2016 夺命雷公狗 - 技术总结 - </div> </div> <script> /** * 折叠分类列表 */ var imgPlus = new Image(); imgPlus.src = "application/views/admin/images/menu_plus.gif"; function rowClicked(obj) { // 当前图像 img = obj; // 取得上二级tr>td>img对象 obj = obj.parentNode.parentNode; // 整个分类列表表格 var tbl = document.getElementById("list-table"); // 当前分类级别 var lvl = parseInt(obj.className); // 是否找到元素 var fnd = false; var sub_display = img.src.indexOf('menu_minus.gif') > 0 ? 'none' : 'table-row' ; // 遍历所有的分类 for (i = 0; i < tbl.rows.length; i++) { var row = tbl.rows[i]; if (row == obj) { // 找到当前行 fnd = true; //document.getElementById('result').innerHTML += 'Find row at ' + i +"<br/>"; } else { if (fnd == true) { var cur = parseInt(row.className); var icon = 'icon_' + row.id; if (cur > lvl) { row.style.display = sub_display; if (sub_display != 'none') { var iconimg = document.getElementById(icon); iconimg.src = iconimg.src.replace('plus.gif', 'minus.gif'); } } else { fnd = false; break; } } } } for (i = 0; i < obj.cells[0].childNodes.length; i++) { var imgObj = obj.cells[0].childNodes[i]; if (imgObj.tagName == "IMG" && imgObj.src != 'application/views/admin/images/menu_arrow.gif') { imgObj.src = (imgObj.src == imgPlus.src) ? 'application/views/admin/images/menu_minus.gif' : imgPlus.src; } } } </script> </body> </html>
效果如下图所示:
显示列表也有了,那么下一步就开始写更新页了
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>SHOP 管理中心 - 添加分类 </title> <meta name="robots" content="noindex, nofollow"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <link href="__ADMIN__/styles/general.css" rel="stylesheet" type="text/css" /> <link href="__ADMIN__/styles/main.css" rel="stylesheet" type="text/css" /> </head> <body> <h1> <span class="action-span"><a href="index.php?p=admin&c=category&a=index">商品分类</a></span> <span class="action-span1"><a href="index.php?act=main">SHOP 管理中心</a> </span><span id="search_id" class="action-span1"> - 添加分类 </span> <div style="clear:both"></div> </h1> <!-- start add new category form --> <div class="main-div"> <form action="category.php" method="post" name="theForm" enctype="multipart/form-data" onsubmit="return validate()"> <table width="100%" id="general-table"> <tbody> <tr> <td class="label">分类名称:</td> <td><input type="text" name="cat_name" maxlength="20" value="{$cat['cat_name']}" size="27"> <font color="red">*</font></td> </tr> <tr> <td class="label">上级分类:</td> <td> <select name="parent_id"> <option value="0">顶级分类</option> <volist name="cats" id='vo'> <option value="{$vo['cat_id']}" <if condition="$vo['cat_id'] eq $cat['parent_id']" >selected="selected"</if> >{$vo['level']|str_repeat=" ",###}{$vo['cat_name']}</option> </volist> </select> </td> </tr> <tr id="measure_unit"> <td class="label">数量单位:</td> <td><input type="text" name="unit" value="{$cat['unit']}" size="12"></td> </tr> <tr> <td class="label">排序:</td> <td><input type="text" name="sort_order" value="{$cat['sort_order']}" size="15"></td> </tr> <tr> <td class="label">是否显示:</td> <td><input type="radio" name="is_show" value="1" checked="true" <if condition="$cat['is_show'] eq 1">checked="checked"</if> > 是<input type="radio" name="is_show" value="0" <if condition="$cat['is_show'] eq 0">checked="checked"</if> > 否 </td> </tr> <tr> <td class="label">是否显示在导航栏:</td> <td><input type="radio" name="show_in_nav" value="1"> 是 <input type="radio" name="show_in_nav" value="0" checked="true"> 否 </td> </tr> <tr> <td class="label">设置为首页推荐:</td> <td> <input type="checkbox" name="cat_recommend[]" value="1"> 精品 <input type="checkbox" name="cat_recommend[]" value="2"> 最新 <input type="checkbox" name="cat_recommend[]" value="3"> 热门 </td> </tr> <tr> <td class="label">分类描述:</td> <td> <textarea name="cat_desc" rows="6" cols="48">{$cat['cat_desc']}</textarea> </td> </tr> </tbody></table> <div class="button-div"> <input type="submit" value=" 确定 "> <input type="reset" value=" 重置 "> </div> <input type="hidden" name="cat_id" value="{$cat['cat_id']}" /> </form> </div> <div id="footer"> 版权所有 © 2014-2016 夺命雷公狗 - 技术总结 - </div> </div> </body> </html>
要注意,在编辑的表单中一定要传cat_id,否则更新会失败
<input type="hidden" name="cat_id" value="{$cat['cat_id']}" />
注意:在更新的时候,如果把当前分类或则其子分类作为上级分类,就会出现逻辑错误..
所以我们要先到model里面定义一个方法,让他不能随便让他的当前分类或者子分类作为上级分类,否则就会出现逻辑上的错误。。
在CategoryModel.class.php里面定义一个方法,代码如下所示:
/给定一个分类,找其后代分类的cat_id,包括他自己 public function getSubIds($cat_id){ $cats = $this -> select(); $list = $this -> tree($cats,$cat_id); $res = array(); foreach($list as $v){ $res[] = $v['cat_id']; } //把cat_id追加到数组 $res[] = $cat_id; return $res; }
让后会控制器下定义edit方法,代码如下所示:
//修改分类 public function edit(){ $cat_id = I('id'); if(IS_POST){ //更新分类 $data['cat_name'] = I('cat_name'); $data['parent_id'] = I('parent_id',0,'int');//parent_id通常是整型,所以做个小处理 $data['cat_desc'] = I('cat_desc'); $data['unit'] = I('unit');//数量 $data['is_show'] = I('is_show'); $data['sort_order'] = I('sort_order'); $data['cat_id'] = I('cat_id'); $categoryModel = D('category'); $ids = $categoryModel->getSubIds($data['cat_id']); if(in_array($data['parent_id'],$ids)){ $this -> error('抱歉,不能把当前分类及其子分类作为其上级分类'); } if($categoryModel->create($data)){ //验证通过 if($categoryModel->save()){ //插入成功 $this -> success('分类信息修改成功',U('index'),1); }else{ //插入失败 $this -> error('分类信息修改失败'); } }else{ //验证失败 $this -> error($categoryModel->getError()); } return; } $cat = M('category')->find($cat_id); $cats = D('category')->catTree(); $this -> assign('cats',$cats); $this -> assign('cat',$cat); $this -> display(); }
修改也好了,那么就差最后一步了,还差删除分类的了,代码如下所示:
//删除分类 public function del(){ $cat_id = I('id',0,'int'); $categoryModel = D('category'); $ids = $categoryModel->getSubIds($cat_id);//这里的目的就是查下有没有子类 if(count($ids)>1){ $this ->error("该分类下面还存在子分类,请处理好了再来"); } if(M('category')->delete($cat_id)){ $this -> success('删除成功',U('index'),1); }else{ $this ->error('删除失败'); } }