我用 alert 输入 结果数组就一条信息 为什么啊
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>在线报价</title>
<link href="css/css1.css" rel="stylesheet" type="text/css" />
<style type="text/css">
.STYLE5 {
font-size: 12px;
font-family: "宋体";
color: #FFFFFF;
}
</style>
</head>
<body>
<div id="header">
<div id="logo">
<div id="ymsm">在线报价</div>
</div>
</div>
<div id="center">
<div id="centerz">
<img src="images/zxbj_04.gif" width="144" height="476" /></div>
<div id="centerc">
<table width="690" border="0" align="center" cellpadding="0" cellspacing="0"><tr>
<td height="75" valign="top"><img src="images/zxbj_05.gif" width="690" height="70" /></td>
</tr></table>
<?php
include_once('./config/db.php');
$db=mysql_connect($dbhost,$dbuser,$dbpass) or die('Unable to connect');
mysql_select_db($dbname,$db) or die(mysql_error($db));
mysql_query("set names 'utf8'");
$sqlbj="select * from jh_aproject";
$resultbj=mysql_query($sqlbj,$db) or die(mysql_error($db));
while($rowbj=mysql_fetch_array($resultbj))
{?>
<table width="100%" border="0" cellspacing="0" cellpadding="0" id="tb1">
<tr class="STYLE5"><td width="18%"><?=$rowbj[aproject_name]?></td>
<td width="18%"><input type="text" size="6" value="0">
<?=$rowbj[aproject_units]?></td>
<td width='20%'><input type="text" size="4"
value="<?=$rowbj[aproject_value]?>">元</td>
<td width="20%"><input type="text" ></td>
<td width="24%"><?=$rowbj[aproject_about]?></td></tr>
<?
}
?>
<tr><td></td><td></td><td><span class="STYLE5"><div id="total"></div></span></td><td></td><td></td></tr>
</table> </div>
<div id="centery">
<img src="images/zxbj_06.gif" width="169" height="476" />
</div>
</div>
<div id="footer">
<div id="wz">
</div>
</div>
</body>
<script type="text/javascript">
var tb=document.getElementById("tb1");
alert(tb.rows.length);
for(var i=0;i<tb.rows.length;i++) {//如果有标题就从1开始
tb.rows[i].cells[1].getElementsByTagName("input")[0].onkeyup=function() {
var total=0;
for(var j=0;j<tb.rows.length;j++) {
var row=tb.rows[j];
var val1=row.cells[1].getElementsByTagName("input")[0].value-0;
var val2=row.cells[2].getElementsByTagName("input")[0].value-0;
if(!isNaN(val1) && ! isNaN(val2)) {
var v=val1*val2;
row.cells[3].getElementsByTagName("input")[0].value=v;
total+=v;
}
}
document.getElementById("total").innerHTML="总价:"+total.toFixed(2);
}
}
</script>
</html>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>在线报价</title>
<link href="css/css1.css" rel="stylesheet" type="text/css" />
<style type="text/css">
.STYLE5 {
font-size: 12px;
font-family: "宋体";
color: #FFFFFF;
}
</style>
</head>
<body>
<div id="header">
<div id="logo">
<div id="ymsm">在线报价</div>
</div>
</div>
<div id="center">
<div id="centerz">
<img src="images/zxbj_04.gif" width="144" height="476" /></div>
<div id="centerc">
<table width="690" border="0" align="center" cellpadding="0" cellspacing="0"><tr>
<td height="75" valign="top"><img src="images/zxbj_05.gif" width="690" height="70" /></td>
</tr></table>
<?php
include_once('./config/db.php');
$db=mysql_connect($dbhost,$dbuser,$dbpass) or die('Unable to connect');
mysql_select_db($dbname,$db) or die(mysql_error($db));
mysql_query("set names 'utf8'");
$sqlbj="select * from jh_aproject";
$resultbj=mysql_query($sqlbj,$db) or die(mysql_error($db));
while($rowbj=mysql_fetch_array($resultbj))
{?>
<table width="100%" border="0" cellspacing="0" cellpadding="0" id="tb1">
<tr class="STYLE5"><td width="18%"><?=$rowbj[aproject_name]?></td>
<td width="18%"><input type="text" size="6" value="0">
<?=$rowbj[aproject_units]?></td>
<td width='20%'><input type="text" size="4"
value="<?=$rowbj[aproject_value]?>">元</td>
<td width="20%"><input type="text" ></td>
<td width="24%"><?=$rowbj[aproject_about]?></td></tr>
<?
}
?>
<tr><td></td><td></td><td><span class="STYLE5"><div id="total"></div></span></td><td></td><td></td></tr>
</table> </div>
<div id="centery">
<img src="images/zxbj_06.gif" width="169" height="476" />
</div>
</div>
<div id="footer">
<div id="wz">
</div>
</div>
</body>
<script type="text/javascript">
var tb=document.getElementById("tb1");
alert(tb.rows.length);
for(var i=0;i<tb.rows.length;i++) {//如果有标题就从1开始
tb.rows[i].cells[1].getElementsByTagName("input")[0].onkeyup=function() {
var total=0;
for(var j=0;j<tb.rows.length;j++) {
var row=tb.rows[j];
var val1=row.cells[1].getElementsByTagName("input")[0].value-0;
var val2=row.cells[2].getElementsByTagName("input")[0].value-0;
if(!isNaN(val1) && ! isNaN(val2)) {
var v=val1*val2;
row.cells[3].getElementsByTagName("input")[0].value=v;
total+=v;
}
}
document.getElementById("total").innerHTML="总价:"+total.toFixed(2);
}
}
</script>
</html>
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