我修改了好多次都不成功,不知道怎么动态的计算合计,
请大家帮帮忙啊。
<style>
body{margin:20px auto;text-align:center;}
</style>
<script>;
function bbb(m){
var title = document.getElementById(m);
var tr = document.createElement("tr");
tr = document.getElementById("tab").getElementsByTagName("tbody")[0].insertBefore(tr,title);
//添加删除项
var td = document.createElement("td");
tr.appendChild(td);
var input=document.createElement("input");
td.name = 'lp[]';
input.setAttribute("type","checkbox");
td.appendChild(input);
//添加单价项
var td = document.createElement("td");
tr.appendChild(td);
var input = document.createElement("input");
td.appendChild(input);
input.size=8;
input.name = 'lp[unit][]';
input.setAttribute("type","text");
//添加数量项
var td = document.createElement("td");
tr.appendChild(td);
var input = document.createElement("input");
td.appendChild(input);
input.size=10;
input.name = 'lp[up][]';
input.setAttribute("type","text");
//添加价格项
var td = document.createElement("td");
tr.appendChild(td);
var input = document.createElement("input");
td.appendChild(input);
input.size=15;
input.name = "lp[amount][]";
input.setAttribute("type","text");
}
function remove(){
var tab = document.getElementById("tab")
var tr = tab.getElementsByTagName("tr");
for(var i=0 ; i < tr.length ; i++){
var input = tr[i].getElementsByTagName("input");
for(var j=0 ;j <input.length;j++){
if(input[j].type == "checkbox" && input[j].checked == true)
document.getElementById("tab").getElementsByTagName("tbody")[0].removeChild(tr[i]);
}
}
}
</script>
<body>
<table border="1" id="tab">
<tr class="pa" >
<td width="20"> </td>
<td width="65" align="center">单价 </td>
<td width="80" align="center">数量 </td>
<td width="130" align="center">合计 </td>
</tr>
<tr>
<td> <input type="checkbox" name="lp[]"/> </td>
<td> <input type="text" size="8" name="lp[unit][]" value="20" /> </td>
<td> <input type="text" size="10" name="lp[qty][]" value="10"/> </td>
<td> <input type="text" size="15" name="lp[amount][]" /> </td>
</tr>
<tr id="chfw">
<td colspan="2"> <input type="button" value="增加" onClick="bbb('chfw');"/> <input type="button" value="删除" onClick="remove()"/> </td>
<td align="right" class="sub_total">总合计 </td>
<td> <input type="text" size="15" name="lp_subtotal[]" /> </td>
</tr>
</table>
</body>
</html>
请大家帮帮忙啊。
<style>
body{margin:20px auto;text-align:center;}
</style>
<script>;
function bbb(m){
var title = document.getElementById(m);
var tr = document.createElement("tr");
tr = document.getElementById("tab").getElementsByTagName("tbody")[0].insertBefore(tr,title);
//添加删除项
var td = document.createElement("td");
tr.appendChild(td);
var input=document.createElement("input");
td.name = 'lp[]';
input.setAttribute("type","checkbox");
td.appendChild(input);
//添加单价项
var td = document.createElement("td");
tr.appendChild(td);
var input = document.createElement("input");
td.appendChild(input);
input.size=8;
input.name = 'lp[unit][]';
input.setAttribute("type","text");
//添加数量项
var td = document.createElement("td");
tr.appendChild(td);
var input = document.createElement("input");
td.appendChild(input);
input.size=10;
input.name = 'lp[up][]';
input.setAttribute("type","text");
//添加价格项
var td = document.createElement("td");
tr.appendChild(td);
var input = document.createElement("input");
td.appendChild(input);
input.size=15;
input.name = "lp[amount][]";
input.setAttribute("type","text");
}
function remove(){
var tab = document.getElementById("tab")
var tr = tab.getElementsByTagName("tr");
for(var i=0 ; i < tr.length ; i++){
var input = tr[i].getElementsByTagName("input");
for(var j=0 ;j <input.length;j++){
if(input[j].type == "checkbox" && input[j].checked == true)
document.getElementById("tab").getElementsByTagName("tbody")[0].removeChild(tr[i]);
}
}
}
</script>
<body>
<table border="1" id="tab">
<tr class="pa" >
<td width="20"> </td>
<td width="65" align="center">单价 </td>
<td width="80" align="center">数量 </td>
<td width="130" align="center">合计 </td>
</tr>
<tr>
<td> <input type="checkbox" name="lp[]"/> </td>
<td> <input type="text" size="8" name="lp[unit][]" value="20" /> </td>
<td> <input type="text" size="10" name="lp[qty][]" value="10"/> </td>
<td> <input type="text" size="15" name="lp[amount][]" /> </td>
</tr>
<tr id="chfw">
<td colspan="2"> <input type="button" value="增加" onClick="bbb('chfw');"/> <input type="button" value="删除" onClick="remove()"/> </td>
<td align="right" class="sub_total">总合计 </td>
<td> <input type="text" size="15" name="lp_subtotal[]" /> </td>
</tr>
</table>
</body>
</html>
<style>
body{margin:20px auto;text-align:center;}
</style>
<script>;
function bbb(m){
var title = document.getElementById(m);
var tr = document.createElement("tr");
tr = document.getElementById("tab").getElementsByTagName("tbody")[0].insertBefore(tr,title);
//添加
var td = document.createElement("td");
tr.appendChild(td);
var input=document.createElement("input");
td.name = 'lp[]';
input.setAttribute("type","checkbox");
input.attachEvent("onclick",Total);
td.appendChild(input);
//添加
var td = document.createElement("td");
tr.appendChild(td);
var input = document.createElement("input");
td.appendChild(input);
input.size=8;
input.name = 'lp[unit][]';
input.setAttribute("type","text");
//添加数量
var td = document.createElement("td");
tr.appendChild(td);
var input = document.createElement("input");
td.appendChild(input);
input.size=10;
input.name = 'lp[up][]';
input.setAttribute("type","text");
//添加价格
var td = document.createElement("td");
tr.appendChild(td);
var input = document.createElement("input");
td.appendChild(input);
input.size=15;
input.name = "lp[amount][]";
input.setAttribute("type","text");
}
function remove(){
var tab = document.getElementById("tab")
var tr = tab.getElementsByTagName("tr");
for(var i=0 ; i< tr.length ; i++){
var input = tr[i].getElementsByTagName("input");
for(var j=0 ;j<input.length;j++){
if(input[j].type == "checkbox" && input[j].checked == true)
document.getElementById("tab").getElementsByTagName("tbody")[0].removeChild(tr[i]);
}
}
}
var sum = 0;
function Total(){
var obj =event.srcElement;
var sum1 = obj.parentNode.nextSibling.childNodes[0].value;
var sum2 = obj.parentNode.nextSibling.nextSibling.childNodes[0].value;
obj.parentNode.nextSibling.nextSibling.nextSibling.childNodes[0].value= parseFloat(sum1)+parseFloat(sum2);
var oName = document.getElementsByName('lp[amount][]');
sum += parseFloat(obj.parentNode.nextSibling.nextSibling.nextSibling.childNodes[0].value);
document.getElementsByName('lp_subtotal[]')[0].value= sum;}
</script>
<body>
<table border="1" id="tab">
<tr class="pa" >
<td width="20"> </td>
<td width="65" align="center">jia ge </td>
<td width="80" align="center">shu liang </td>
<td width="130" align="center">he ji </td>
</tr>
<tr>
<td> <input type="checkbox" name="lp[]" onclick="Total()"/> </td>
<td> <input type="text" size="8" name="lp[unit][]" value="20" /> </td>
<td> <input type="text" size="10" name="lp[qty][]" value="10"/> </td>
<td> <input type="text" size="15" name="lp[amount][]" value=""/> </td>
</tr>
<tr id="chfw">
<td colspan="2"> <input type="button" value="add" onClick="bbb('chfw');"/> <input type="button" value="shan chu" onClick="remove()"/> </td>
<td align="right" class="sub_total">total </td>
<td> <input type="text" size="15" name="lp_subtotal[]" /> </td>
</tr>
</table>
</body>
</html>
<style>
body{margin:20px auto;text-align:center;}
</style>
<script>;
function bbb(m){
var title = document.getElementById(m);
var tr = document.createElement("tr");
tr = document.getElementById("tab").getElementsByTagName("tbody")[0].insertBefore(tr,title);
//添加删除项
var td = document.createElement("td");
tr.appendChild(td);
var input=document.createElement("input");
td.name = 'lp[]';
input.setAttribute("type","checkbox");
input.attachEvent("onclick",Total);
td.appendChild(input);
//添加单价项
var td = document.createElement("td");
tr.appendChild(td);
var input = document.createElement("input");
td.appendChild(input);
input.size=8;
input.name = 'lp[unit][]';
input.setAttribute("type","text");
//添加数量项
var td = document.createElement("td");
tr.appendChild(td);
var input = document.createElement("input");
td.appendChild(input);
input.size=10;
input.name = 'lp[up][]';
input.setAttribute("type","text");
//添加价格项
var td = document.createElement("td");
tr.appendChild(td);
var input = document.createElement("input");
td.appendChild(input);
input.size=15;
input.name = "lp[amount][]";
input.setAttribute("type","text");
}
function remove(){
var tab = document.getElementById("tab")
var tr = tab.getElementsByTagName("tr");
for(var i=0 ; i < tr.length ; i++){
var input = tr[i].getElementsByTagName("input");
for(var j=0 ;j <input.length;j++){
if(input[j].type == "checkbox" && input[j].checked == true)
document.getElementById("tab").getElementsByTagName("tbody")[0].removeChild(tr[i]);
}
}
}
var sum = 0;
function Total(){ var obj =event.srcElement;
var sum1 = obj.parentNode.nextSibling.childNodes[0].value;
var sum2 = obj.parentNode.nextSibling.nextSibling.childNodes[0].value;
if(obj.checked)
{ obj.parentNode.nextSibling.nextSibling.nextSibling.childNodes[0].value= parseFloat(sum1)+parseFloat(sum2);
sum += parseFloat(obj.parentNode.nextSibling.nextSibling.nextSibling.childNodes[0].value);
document.getElementsByName('lp_subtotal[]')[0].value= sum;
}
else
{
var tempValue = obj.parentNode.nextSibling.nextSibling.nextSibling.childNodes[0].value;
obj.parentNode.nextSibling.nextSibling.nextSibling.childNodes[0].value="";
sum -= parseFloat(tempValue);
document.getElementsByName('lp_subtotal[]')[0].value= sum;
}
}
</script>
<body>
<table border="1" id="tab">
<tr class="pa" >
<td width="20"> </td>
<td width="65" align="center">单价 </td>
<td width="80" align="center">数量 </td>
<td width="130" align="center">合计 </td>
</tr>
<tr>
<td> <input type="checkbox" name="lp[]" onclick="Total()"/> </td>
<td> <input type="text" size="8" name="lp[unit][]" value="20" /> </td>
<td> <input type="text" size="10" name="lp[qty][]" value="10"/> </td>
<td> <input type="text" size="15" name="lp[amount][]" /> </td>
</tr>
<tr id="chfw">
<td colspan="2"> <input type="button" value="增加" onClick="bbb('chfw');"/> <input type="button" value="删除" onClick="remove()"/> </td>
<td align="right" class="sub_total">总合计 </td>
<td> <input type="text" size="15" name="lp_subtotal[]" /> </td>
</tr>
</table>
</body>
</html>