文本框数组求和有关问题
文本框数组求和问题
HI 各位大大
我这里碰到这样一个问题,我在PHP中了个 文本框数组
for($i=1;$i {
echo "";
}
我该如何做可以使得我在每个文本框中输入的内容进行合计(求和),并显示出来?
------解决方案--------------------
- HTML code
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>无标题文档</title> <script type="text/javascript"> window.onload = function() { var obj = document.getElementsByName('abc[]'); var obj_count = document.getElementById('count'); for (var i = 0; i < obj.length; i ++) { obj[i].onkeyup = function() { var count = 0; for (var j = 0; j < obj.length; j ++) { var v = parseInt(obj[j].value) || 0; count += v; } obj_count.innerHTML = count; } } } </script> <input type="text" name="abc[]" value=""> <br> <input type="text" name="abc[]" value=""> <br> <input type="text" name="abc[]" value=""> <br> <input type="text" name="abc[]" value=""> <br> <input type="text" name="abc[]" value=""> <br> <input type="text" name="abc[]" value=""> <br> <input type="text" name="abc[]" value=""> <br> <input type="text" name="abc[]" value=""> <br> <input type="text" name="abc[]" value=""> <br> <div id="count"></div> <br><font color="#e78608">------解决方案--------------------</font><br>用parseFloat()代替parseInt() <br><font color="#e78608">------解决方案--------------------</font><br>额,可以js算好再ajax交上去,也可以做个表单直接交上去,也可以ajax直接交上去。 <div class="clear"> </div>

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