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委托應用-表單的創建和編輯

title 預覽 xxxxxxxx 信息 pagex topic 獲取 splay 自動

<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>DOM操作</title> </head> <style> #detail{ width:200px; height:200px; border:1px solid black; display :none; position:absolute; left:500px; top:300px; background:#fff; } </style> <body> 標題:<input type="text" id="topic_name" size=60/><br> 內容:<input type="text" id="topic_content" size=60/><br> 作者:<input type="text" id="author" size=60/><br> <button id="saveBtn">保存</button> <table id="tab" border=1> <tr> <th>ID</th><th>帖子名稱</th><th>內容預覽</th><th>發布時間</th><th>作者</th><th>操作</th> </tr> <tr class="first"> <td info="t">25</td> <td info="t" class="title">ABC</td> <td info="t">xxxxxxxx....</td> <td info="t">2016-04-15</td> <td info="t">LCE</td> <td name="option"><a name="detail" href="#">詳細信息</a> <a class="delbtn" href="javascript:;">刪除</a></td> </tr> <tr> <td info="t">25</td> <td info="t" class="title">ABC</td> <td info="t">xxxxxxxx....</td> <td info="t">2016-04-15</td> <td info="t">LCE</td> <td name="option"><a name="detail" href="#">詳細信息</a> <a class="delbtn" href="javascript:;">刪除</a></td> </tr> <tr> <td info="t">25</td> <td info="t" class="title">ABC</td> <td info="t">xxxxxxxx....</td> <td info="t">2016-04-15</td> <td info="t">LCE</td> <td name="option"><a name="detail" href="#">詳細信息</a> <a class="delbtn" href="javascript:;">刪除</a></td> </tr> <tr> <td info="t">25</td> <td info="t" class="title">ABC</td> <td info="t">xxxxxxxx....</td> <td info="t">2016-04-15</td> <td info="t">LCE</td> <td name="option"><a name="detail" href="#">詳細信息</a> <a class="delbtn" href="javascript:;">刪除</a></td> </tr> <tr> <td info="t">25</td> <td info="t" class="title">ABC</td> <td info="t">xxxxxxxx....</td> <td info="t">2016-04-15</td> <td info="t">LCE</td> <td name="option"><a name="detail" href="#">詳細信息</a> <a class="delbtn" href="javascript:;">刪除</a></td> </tr> <table> <div id="detail"></div> </body> </html> <script src="public.js"></script> <script> var tab = $id("tab"); //添加保存按鈕的點擊事件 $id("saveBtn").onclick = function(){ //查找第一行 var oTr = document.querySelector(".first"); //克隆表格的第一行 var cloneTr = oTr.cloneNode( true ); cloneTr.children[0].innerHTML = rand(1,100); cloneTr.children[1].innerHTML = $id("topic_name").value; cloneTr.children[2].innerHTML = $id("topic_content").value; cloneTr.children[3].innerHTML = dateToString( new Date() ); cloneTr.children[4].innerHTML = $id("author").value; // 將克隆的行添加到table裏 tab.appendChild( cloneTr ); } // 給table添加點擊事件 tab.onclick = function(e){ var e = e || event; var target = e.target || e.srcElement; //從新獲取可以進行編輯的事件源 if( target.getAttribute("info") == "t" ){ //創建一個input var opt = create("input"); opt.type = "text"; //將target的內容添加到文本框中 opt.value = target.innerHTML; //然後清空target中的內容 target.innerHTML = ""; target.appendChild( opt ); //讓某個元素自動獲取焦點 opt.focus();//文本框自動獲取焦點 //當文本框失去焦點時 //將文本框的內容添加到target中 opt.onblur = function(){ target.innerHTML = this.value; } } //詳細信息 if( target.name == "detail" ){ e.stopPropagation?e.stopPropagation():e.cancelBubble=true; $id("detail").style.display = "block"; $id("detail").style.left = e.pageX + "px"; $id("detail").style.top = e.pageY + "px"; var title = target.parentNode.parentNode.children[1].innerHTML; var author = target.parentNode.parentNode.children[4].innerHTML; //顯示詳情 $id("detail").innerHTML = "標題:" + title + "<br>作者:" + author; } //刪除 if( target.className == "delbtn" ){ if( confirm("確定要刪除?") ){ target.parentNode.parentNode.remove(); } } } //點擊文檔 隱藏詳情 document.onclick = function(){ $id("detail").style.display = "none"; } </script>
















委托應用-表單的創建和編輯