多个javascript onchange事件,同一脚本获取不同的mysql结果
我有一个用onchange事件执行的javascript多个javascript onchange事件,同一脚本获取不同的mysql结果,javascript,onchange,Javascript,Onchange,我有一个用onchange事件执行的javascript onchange="showUser(1, this.value)" Javascript调用一个php页面,该页面执行mysql查询并在当前页面上显示结果 javascript工作得很好,但是我想复制javascript来运行不同的查询并在现有页面上显示结果 我有一个订单表,当我在第一列中插入订单时,我希望onchange甚至触发两个脚本,一个在第二列中拉取并显示产品详细信息,另一个在第三列中拉取并显示销售单位 我的javascrip
onchange="showUser(1, this.value)"
Javascript调用一个php页面,该页面执行mysql查询并在当前页面上显示结果
javascript工作得很好,但是我想复制javascript来运行不同的查询并在现有页面上显示结果
我有一个订单表,当我在第一列中插入订单时,我希望onchange甚至触发两个脚本,一个在第二列中拉取并显示产品详细信息,另一个在第三列中拉取并显示销售单位
我的javascript是:
<script type="text/javascript">
function showWhse(userNumber, str)
{
if (str=="")
{
document.getElementById("whse" + userNumber).innerHTML="";
return;
}
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("whse" + userNumber).innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","getdata1.php?q="+str,true);
xmlhttp.send();
}
</script>
<html>
<head>
<title>Sales Portal</title>
<script type="text/javascript">
function showUser(userNumber, str)
{
if (str=="")
{
document.getElementById("txtHint" + userNumber).innerHTML="";
return;
}
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("txtHint" + userNumber).innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","getdata1.php?q="+str,true);
xmlhttp.send();
}
</script>
</head>
<body topmargin=0>
<form name="orderform" id="orderform" action="newsale.php" method="post">
<table border=1>
<tr>
<td>Product Code</td>
<td>Description</td>
<td>Warehouse</td>
<td>Selling Units</td>
</tr>
<tr id="r1">
<td width=100>
<input size=10 type=number id=sku1 name=sku1 onchange="showUser(1, this.value)">
</td>
<td width=280>
<div align="left" id="txtHint1"> </div>
</td>
<td width=100>
<div align="left" id="whse1"> </div>
</td>
<td width=100>
<div align="left" id="su1"> </div>
</td>
</tr>
<tr id="r2">
<td>
<input size=10 type=number id=sku2 name=sku2 onchange="showUser(2, this.value)">
</td>
<td>
<div align="left" id="txtHint2"> </div>
</td>
<td>
<div align="left" id="whse2"> </div>
</td>
<td width=100>
<div align="left" id="su2"> </div>
</td>
</tr>
<tr id="r3">
<td>
<input size=10 type=number id=sku3 name=sku3 onchange="showUser(3, this.value)">
</td>
<td>
<div align="left" id="txtHint3"> </div>
</td>
<td>
<div align="left" id="whse3"> </div>
</td>
<td width=100>
<div align="left" id="su3"> </div>
</td>
</tr>
<tr id="r4">
<td>
<input size=10 type=number id=sku4 name=sku4 onchange="showUser(4, this.value)">
</td>
<td>
<div align="left" id="txtHint4"> </div>
</td>
<td>
<div align="left" id="whse4"> </div>
</td>
<td width=100>
<div align="left" id="su4"> </div>
</td>
</tr>
</table>
</form>
</body>
</html>
<?php
$q=$_GET["q"];
$con = mysql_connect('localhost', 'unilekxy_UL', 'Unilever2011');
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db("unilekxy_unilever", $con);
$sql="SELECT Category, Description,SellingUnits,Grouping,CasesPerPallet,ShrinksPerPallet FROM skudata WHERE packcode = '".$q."'";
$result = mysql_query($sql);
$rows=mysql_num_rows($result);
if($rows==0){echo "<font color=red><b>NOT A VALID PRODUCT CODE</b></font>";} else {
while($row = mysql_fetch_array($result))
{
echo "<font color=red>".$row['Description']."</font>, ";
if($row['SellingUnits']=="CS"){echo "<font color=red>".$row['CasesPerPallet']."</font> ";} elseif($row['SellingUnits']=="SHR") {echo "<font color=red>".$row['ShrinksPerPallet']."</font> ";}
}}
mysql_close($con);
?>
函数showWhse(userNumber,str)
{
如果(str==“”)
{
document.getElementById(“whse”+userNumber).innerHTML=“”;
返回;
}
if(window.XMLHttpRequest)
{//IE7+、Firefox、Chrome、Opera、Safari的代码
xmlhttp=新的XMLHttpRequest();
}
xmlhttp.onreadystatechange=函数()
{
if(xmlhttp.readyState==4&&xmlhttp.status==200)
{
document.getElementById(“whse”+userNumber).innerHTML=xmlhttp.responseText;
}
}
open(“GET”、“getdata1.php?q=“+str,true”);
xmlhttp.send();
}
完整的PHP页面是:
<script type="text/javascript">
function showWhse(userNumber, str)
{
if (str=="")
{
document.getElementById("whse" + userNumber).innerHTML="";
return;
}
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("whse" + userNumber).innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","getdata1.php?q="+str,true);
xmlhttp.send();
}
</script>
<html>
<head>
<title>Sales Portal</title>
<script type="text/javascript">
function showUser(userNumber, str)
{
if (str=="")
{
document.getElementById("txtHint" + userNumber).innerHTML="";
return;
}
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("txtHint" + userNumber).innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","getdata1.php?q="+str,true);
xmlhttp.send();
}
</script>
</head>
<body topmargin=0>
<form name="orderform" id="orderform" action="newsale.php" method="post">
<table border=1>
<tr>
<td>Product Code</td>
<td>Description</td>
<td>Warehouse</td>
<td>Selling Units</td>
</tr>
<tr id="r1">
<td width=100>
<input size=10 type=number id=sku1 name=sku1 onchange="showUser(1, this.value)">
</td>
<td width=280>
<div align="left" id="txtHint1"> </div>
</td>
<td width=100>
<div align="left" id="whse1"> </div>
</td>
<td width=100>
<div align="left" id="su1"> </div>
</td>
</tr>
<tr id="r2">
<td>
<input size=10 type=number id=sku2 name=sku2 onchange="showUser(2, this.value)">
</td>
<td>
<div align="left" id="txtHint2"> </div>
</td>
<td>
<div align="left" id="whse2"> </div>
</td>
<td width=100>
<div align="left" id="su2"> </div>
</td>
</tr>
<tr id="r3">
<td>
<input size=10 type=number id=sku3 name=sku3 onchange="showUser(3, this.value)">
</td>
<td>
<div align="left" id="txtHint3"> </div>
</td>
<td>
<div align="left" id="whse3"> </div>
</td>
<td width=100>
<div align="left" id="su3"> </div>
</td>
</tr>
<tr id="r4">
<td>
<input size=10 type=number id=sku4 name=sku4 onchange="showUser(4, this.value)">
</td>
<td>
<div align="left" id="txtHint4"> </div>
</td>
<td>
<div align="left" id="whse4"> </div>
</td>
<td width=100>
<div align="left" id="su4"> </div>
</td>
</tr>
</table>
</form>
</body>
</html>
<?php
$q=$_GET["q"];
$con = mysql_connect('localhost', 'unilekxy_UL', 'Unilever2011');
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db("unilekxy_unilever", $con);
$sql="SELECT Category, Description,SellingUnits,Grouping,CasesPerPallet,ShrinksPerPallet FROM skudata WHERE packcode = '".$q."'";
$result = mysql_query($sql);
$rows=mysql_num_rows($result);
if($rows==0){echo "<font color=red><b>NOT A VALID PRODUCT CODE</b></font>";} else {
while($row = mysql_fetch_array($result))
{
echo "<font color=red>".$row['Description']."</font>, ";
if($row['SellingUnits']=="CS"){echo "<font color=red>".$row['CasesPerPallet']."</font> ";} elseif($row['SellingUnits']=="SHR") {echo "<font color=red>".$row['ShrinksPerPallet']."</font> ";}
}}
mysql_close($con);
?>
销售门户
函数showUser(userNumber,str)
{
如果(str==“”)
{
document.getElementById(“txtHint”+userNumber).innerHTML=“”;
返回;
}
if(window.XMLHttpRequest)
{//IE7+、Firefox、Chrome、Opera、Safari的代码
xmlhttp=新的XMLHttpRequest();
}
xmlhttp.onreadystatechange=函数()
{
if(xmlhttp.readyState==4&&xmlhttp.status==200)
{
document.getElementById(“txtHint”+userNumber).innerHTML=xmlhttp.responseText;
}
}
open(“GET”、“getdata1.php?q=“+str,true”);
xmlhttp.send();
}
产品代码
描述
仓库
销售单位
执行mysql查询的php文件是:
<script type="text/javascript">
function showWhse(userNumber, str)
{
if (str=="")
{
document.getElementById("whse" + userNumber).innerHTML="";
return;
}
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("whse" + userNumber).innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","getdata1.php?q="+str,true);
xmlhttp.send();
}
</script>
<html>
<head>
<title>Sales Portal</title>
<script type="text/javascript">
function showUser(userNumber, str)
{
if (str=="")
{
document.getElementById("txtHint" + userNumber).innerHTML="";
return;
}
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("txtHint" + userNumber).innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","getdata1.php?q="+str,true);
xmlhttp.send();
}
</script>
</head>
<body topmargin=0>
<form name="orderform" id="orderform" action="newsale.php" method="post">
<table border=1>
<tr>
<td>Product Code</td>
<td>Description</td>
<td>Warehouse</td>
<td>Selling Units</td>
</tr>
<tr id="r1">
<td width=100>
<input size=10 type=number id=sku1 name=sku1 onchange="showUser(1, this.value)">
</td>
<td width=280>
<div align="left" id="txtHint1"> </div>
</td>
<td width=100>
<div align="left" id="whse1"> </div>
</td>
<td width=100>
<div align="left" id="su1"> </div>
</td>
</tr>
<tr id="r2">
<td>
<input size=10 type=number id=sku2 name=sku2 onchange="showUser(2, this.value)">
</td>
<td>
<div align="left" id="txtHint2"> </div>
</td>
<td>
<div align="left" id="whse2"> </div>
</td>
<td width=100>
<div align="left" id="su2"> </div>
</td>
</tr>
<tr id="r3">
<td>
<input size=10 type=number id=sku3 name=sku3 onchange="showUser(3, this.value)">
</td>
<td>
<div align="left" id="txtHint3"> </div>
</td>
<td>
<div align="left" id="whse3"> </div>
</td>
<td width=100>
<div align="left" id="su3"> </div>
</td>
</tr>
<tr id="r4">
<td>
<input size=10 type=number id=sku4 name=sku4 onchange="showUser(4, this.value)">
</td>
<td>
<div align="left" id="txtHint4"> </div>
</td>
<td>
<div align="left" id="whse4"> </div>
</td>
<td width=100>
<div align="left" id="su4"> </div>
</td>
</tr>
</table>
</form>
</body>
</html>
<?php
$q=$_GET["q"];
$con = mysql_connect('localhost', 'unilekxy_UL', 'Unilever2011');
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db("unilekxy_unilever", $con);
$sql="SELECT Category, Description,SellingUnits,Grouping,CasesPerPallet,ShrinksPerPallet FROM skudata WHERE packcode = '".$q."'";
$result = mysql_query($sql);
$rows=mysql_num_rows($result);
if($rows==0){echo "<font color=red><b>NOT A VALID PRODUCT CODE</b></font>";} else {
while($row = mysql_fetch_array($result))
{
echo "<font color=red>".$row['Description']."</font>, ";
if($row['SellingUnits']=="CS"){echo "<font color=red>".$row['CasesPerPallet']."</font> ";} elseif($row['SellingUnits']=="SHR") {echo "<font color=red>".$row['ShrinksPerPallet']."</font> ";}
}}
mysql_close($con);
?>
理想情况下,用户输入产品代码后,我可以使用此脚本获取并显示产品详细信息、销售单位和仓库信息,如下图所示:
如何编辑或复制javascript以使1 onchange事件执行此操作?我发现,如果复制整个sript,则只执行最后一个实例,因为使用的变量与未更改的脚本相同
提前感谢您的帮助,
瑞安
添加
我对javascript做了如下更改:
<script type="text/javascript">
function showUser(userNumber, str)
{
if (str=="")
{
document.getElementById("txtHint" + userNumber).innerHTML="";
return;
}
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("txtHint" + userNumber).innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","getdata1.php?q="+str,true);
xmlhttp.send();
var responseText = xmlhttp.responseText;
var description = responseText.substring(13, responseText.indexOf(",Warehouse:"));
var warehouse = responseText.substring(responseText.indexOf(",Warehouse:")+11, responseText.indexOf(",SellingUnits:"));
var sellingUnits = responseText.substring(responseText.indexOf(",SellingUnits:")+14);
document.getElementById("whse" + userNumber).innerHTML = warehouse;
document.getElementById("txtHint" + userNumber).innerHTML = description;
document.getElementById("su" + userNumber).innerHTML = sellingUnits;
}
</script>
函数showUser(userNumber,str)
{
如果(str==“”)
{
document.getElementById(“txtHint”+userNumber).innerHTML=“”;
返回;
}
if(window.XMLHttpRequest)
{//IE7+、Firefox、Chrome、Opera、Safari的代码
xmlhttp=新的XMLHttpRequest();
}
xmlhttp.onreadystatechange=函数()
{
if(xmlhttp.readyState==4&&xmlhttp.status==200)
{
document.getElementById(“txtHint”+userNumber).innerHTML=xmlhttp.responseText;
}
}
open(“GET”、“getdata1.php?q=“+str,true”);
xmlhttp.send();
var responseText=xmlhttp.responseText;
var description=responseText.substring(13,responseText.indexOf(“,Warehouse:”);
var warehouse=responseText.substring(responseText.indexOf(,warehouse:)+11,responseText.indexOf(,SellingUnits:);
var sellingUnits=responseText.substring(responseText.indexOf(“,sellingUnits:”)+14);
document.getElementById(“whse”+用户号).innerHTML=仓库;
document.getElementById(“txtHint”+userNumber).innerHTML=说明;
document.getElementById(“su”+userNumber).innerHTML=sellingUnits;
}
如何调用这些值以显示在单独的列中?仓库、描述和销售单位
我假设我需要从我的html表中调用这些值,我该怎么做
再次感谢,Ryan首先,编辑执行sql查询的php文件,以返回所有三个值并删除任何html格式。下面通过将所有值放入一个字符串来实现。如果您知道php的JSON,那么应该使用它
<?php
$q=$_GET["q"];
$con = mysql_connect('localhost', 'unilekxy_UL', 'Unilever2011');
if (!$con)
{
die('Could not connect: ' . mysql_error());
}
mysql_select_db("unilekxy_unilever", $con);
$sql="SELECT Category, Description,SellingUnits,Grouping,CasesPerPallet,ShrinksPerPallet FROM skudata WHERE packcode = '".$q."'";
$result = mysql_query($sql);
$rows=mysql_num_rows($result);
if($rows==0){echo "<font color=red><b>NOT A VALID PRODUCT CODE</b></font>";} else {
while($row = mysql_fetch_array($result))
{
echo "Description:" . $row['Description'] . ",Warehouse:" . $row['Warehouse'] . ",SellingUnits:" . $row['SellingUnits'];
}
}
mysql_close($con);
?>
此时,您不需要进行任何其他更改,因为对showUser(1,this.value)
的单个调用将更新所有三个字段
请记住,像我上面所做的那样,将用户界面格式化代码
与SQL select语句分开总是很好的。此外,执行尽可能少的SQL查询总是好的
有关indexOf
和substring
方法的更多信息,请参阅
请注意,我没有测试任何代码,因此可能存在拼写错误或语法错误。太好了。如果一切正常,请接受答案。我是否将对javascript的更改放在了正确的位置?如何从html表语法中调用这些变量或输出?谢谢,你有点不知道该把它放在哪里。我把我的答案说得更清楚了。传奇!!!谢谢你的帮助。我真的很感谢你的时间!现在是时候做我的学习了,以确保我理解你教给我的东西!好吧,瑞安,还有一个问题。如果输入了错误的packcode,并且mysql结果为“不是有效的产品代码”,则输出会破坏表结构。它在第4栏“销售单位”下结束。如何将其输出到描述列?再次感谢,