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如下所示：
複製代碼 代碼如下:
function saomiao(event,n)
{
var code=0;
code=event.keyCode;//監聽鍵盤輸入事件
if(code=='13')//如果鍵盤輸入斷行符號鍵
{
if(n>0)//開始判斷參數
{
if(document.getElementById('logisticsno').value=='')
{
alert('請掃描輸入運單號!');
var r=document.getElementById('logisticsno');
r.focus();
return false;
}
else if(document.activeElement.name!='deliver_money')//document.activeElement.name焦點所在的元素名
{
var r=document.getElementById('deliver_money');
r.focus();
}
else//如果所有條件都滿足
{
var r=document.getElementById('logisticsno');
r.focus();
var f=document.createElement('form');//開始建立表單
f.action='/modules/logistics/start.php';
document.body.appendChild(f);//添加至body
var e=document.createElement('input');//建立表單元素
e.type='hidden';
e.name='act';
e.id='act';
e.value='logisticsno';
f.appendChild(e);//添加至表單
var data_id=0;
var g=document.getElementsByName("orderdataid_no[]");
var h=0;
for(var h=0;h<g.length;h++)
{
data_id=g[h].value;
}
var order_no=0;
var gg=document.getElementsByName("order_no[]");
var hh=0;
for(var hh=0;hh<gg.length;hh++)
{
order_no=gg[hh].value;
}
var k=document.createElement('input');
k.type='hidden';
k.name='order_no';
k.id='order_no';
k.value=order_no;
f.appendChild(k);
f.submit();//表單提交
}
}
}
}
<body onKeyPress="javascript:saomiao(event,555);">//開始監控鍵盤輸入
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