开发学院网页设计 JavaScript 创建动态表单 javascript 阅读

创建动态表单 javascript

　2012-05-17 13:06:48　来源：WEB开发网　　　

核心提示：<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="Content-Language" content="zh-CN" />
<meta name="Keywords" content="" />
<meta name="Description" content="" />
<meta name="155手机网 - 15597.COM_手机之家" content"www.15597.com">
<title>7wy.net</title>

<style>
#tab {
border:1px solid #aaa;
border-collapse:collapse;
width:80%;
}
#tab th{
border:1px solid #aaaaaa;
background:#ECE9D8;
border-collapse:collapse;
padding:5px;
text-align:left;
}
#tab td{
border:1px solid #d8d8d8;
border-collapse:collapse;
padding:5px;
}
.txt{
   border:1px solid #888;
background:#ECE9D8;
}
.checkBg{
border:1px solid #aaaaaa;
background:#ECE9D8;
}
.checkTxt{
border:1px solid #aaa;
background:##d8d8d8;
}
.button {
   border:1px solid #888;margin:5px 0px;
   width:80px;background:#ECE9D8;height:22px;line-height:22px;
}
</style>
    <script language="javascript" type="text/javascript">
/*
author:kevin
email:kevin_218@163.com
msn:xiao-kevin@hotmail.com
website:http://www.15597.com
*/
   function $(id) {return document.getElementById(id);}
   function $F(name){return document.getElementsByTagName(name);}

function add(){
    var otr = document.getElementById("tab").insertRow(-1);
   var checkTd=document.createElement("td");
   checkTd.innerHTML = '<input type="checkbox" class="check" onclick="ccolor()" name="checkItem">';
   var otd1 = document.createElement("td");
   otd1.innerHTML = '<input type="text" class="txt" name="infoName_txt" id="infoName_txt'+($('tab').rows.length-1)+'" maxlength="30" value=""/>';
   var otd2 = document.createElement("td");
   otd2.innerHTML = '<input type="text" class="txt" name="infoValue_txt" id="infoValue_txt'+($('tab').rows.length-1)+'" maxlength="30" value=""/>';

   otr.appendChild(checkTd);
   otr.appendChild(otd1); 
   otr.appendChild(otd2); 
}
function ccolor()
{
    var c1 = document.getElementsByName('checkItem');
    for(var i=0; i<c1.length; i++)
    if(c1[i].checked)
    {
     c1[i].parentNode.parentNode.className="checkBg";
     c1[i].parentNode.nextSibling.firstChild.className="checkTxt";
     c1[i].parentNode.nextSibling.nextSibling.firstChild.className="checkTxt";
    }
    else { c1[i].parentNode.parentNode.className="";
    c1[i].parentNode.nextSibling.firstChild.className="";
     c1[i].parentNode.nextSibling.nextSibling.firstChild.className="";}
}
function del(){
   var c = document.getElementsByName('checkItem');
   var idArray = new Array();
   for(var i=0; i<c.length; i++)
   if(c[i].checked)
   idArray.push(i);
   var rowIndex;
   var nextDiff =0;
   for(j=0;j< idArray.length;j++)
   {
    rowIndex = idArray[j]+1-nextDiff++;
    document.getElementById("tab").deleteRow(rowIndex);
   }
   }
function save(){
    var postString = $("postString");
     var checkboxs = document.getElementsByName("checkItem");
     var ttab = document.getElementsByName("infoName_txt");
     var tt2 = document.getElementsByName("infoValue_txt");
    
     var idArray = new Array();
     for(i=0;i<checkboxs.length;i++)
    {
     idArray.push(ttab[i].value + "|" + tt2[i].value); 
    }
    
     postString.value = idArray.join("-");
     alert(postString.value);
}

   function alldell()
   {
   var des =document.getElementsByName('checkItem');
   for(var i=0;i<des.length;i++)
   {
    if(des[i].checked=document.getElementById('delall').checked){
    des[i].parentNode.parentNode.className="checkBg";
    des[i].parentNode.nextSibling.firstChild.className="checkTxt";
    des[i].parentNode.nextSibling.nextSibling.firstChild.className="checkTxt";}
    else{ des[i].parentNode.parentNode.className="";
     des[i].parentNode.nextSibling.firstChild.className="";
     des[i].parentNode.nextSibling.nextSibling.firstChild.className="";}
   }
   } 
</script>
</head>

<body>
<input name="addv_btn" id="addv_btn" type="button" class="button" onClick="add();" value="add" /> 
<input name="del_btn" id="del_btn" type="button" class="button" onClick="del();" value="del" /> 
<input name="save" id="save" type="button" class="button" onClick="save();" value="save" /><br>

<table id="tab" >
<tr>
<th width="5%"><input type="checkbox" id="delall" onclick="alldell()"></td>
<th width="40%">Name</td>
<th width="55%">value</td> 
</tr>
</table>
<p>www.15597.com
<input type="text" name="postString" id="postString"> 
</p>
</body>
</html>