我是 codeigniter 的新手。我得到 html 字符串形式數據庫，如下所示<div class="rockfm-form-container uiform-wrap"><div class="rockfm-alert-container"></div><form class="rockfm-form" action="" name="" method="post" data-zgfm-type="1" enctype="multipart/form-data" id="rockfm_form_7"><input type="hidden" value="7" class="_rockfm_form_id" name="_rockfm_form_id"> <input type="hidden" value="0" class="_rockfm_wizard_st" > <input type="hidden" value="PGRpdiBjbGFzcz0icm9ja2ZtLWFsZXJ0IHJvY2tmbS1hbGVydC1zdWNjZXNzIj5TdWNjZXNzISBGb3JtIHdhcyBzZW50IHN1Y2Nlc3NmdWxseS48L2Rpdj4=" name="_rockfm_onsubm_smsg" class="_rockfm_onsubm_smsg" > <!--- ajax or post ---> <input type="hidden" value="1" class="_rockfm_type_submit" name="_rockfm_type_submit"> <input type="hidden" value="rocket_front_submitajaxmode" name="action"> <div class="uiform-main-form"> <div class="uiform-step-content" > <div id="rockfm_uiibpy0eewu" data-idfield="uiibpy0eewu" data-typefield="33" class="rockfm-heading rockfm-field " ></div> <div id="rockfm_uiya0wevyae" data-idfield="uiya0wevyae" data-typefield="28" class="rockfm-preptext rockfm-field rockfm-required " data-val-type="4"></div> <div id="rockfm_ui04fxilqp6" data-idfield="ui04fxilqp6" data-typefield="7" class="rockfm-textarea rockfm-field " ></div> <div id="rockfm_uiwdtl19w05" data-idfield="uiwdtl19w05" data-typefield="10" class="rockfm-select rockfm-field " ></div> <div id="rockfm_uiksx46ggj9" data-idfield="uiksx46ggj9" data-typefield="12" class="rockfm-fileupload rockfm-field " ></div> </div></div></form></div>我有另一個類型字段表，如圖所示問題是，當typefield = 10 且 flag_status = 0時，它會被刪除<div id="rockfm_uiwdtl19w05" data-idfield="uiwdtl19w05" data-typefield="10" class="rockfm-select rockfm-field " ></div>，但 html 字符串中的其他信息也會被刪除。我展示了控制器函數的代碼，其中我將 html 字符串轉換為 DOM 文檔，獲取fby_id和flag_status表單類型字段表的記錄，并創建該記錄的數組。然后使用 DOM 查詢對 data-typefield 進行 foreach 循環以獲取 data-typefield 的屬性值，然后添加 if 0 = 1 的檢查條件，然后刪除特定的 div
1 回答
梵蒂岡之花
TA貢獻1900條經驗 獲得超5個贊
您的代碼大部分都在那里，但主要部分是刪除節點，我已更改測試以判斷狀態是否= 0，然后用于removeChild()刪除該元素。那么文檔<div>末尾應該只包含您想要的元素......
foreach ($xpath->query("//div[@data-typefield]") as $item)
{
$typefield = $item->getAttribute('data-typefield');
if($field_array[$typefield] == 0)
{
$item->parentNode->removeChild($item);
}
}
echo $doc->saveHTML();
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