function GetAllDevName()
{
var selectObj = document.getElementById("devList");
if(selectObj == undefined) return; var strDevName = form1.ggcom.GetAllDevName();
var strDevNameArr=strDevName.split(";");
for(i=0;i<strDevNameArr.length;i++)
{
selectObj.options.add(new Option(strDevNameArr[i],i));
}
}
报错指向这个方法的第一行,请高手手指点,静态的html可以执行成功,但是当做jsp部署到tamcat中,在访问就报错!如果不详细可以附上代码!
{
var selectObj = document.getElementById("devList");
if(selectObj == undefined) return; var strDevName = form1.ggcom.GetAllDevName();
var strDevNameArr=strDevName.split(";");
for(i=0;i<strDevNameArr.length;i++)
{
selectObj.options.add(new Option(strDevNameArr[i],i));
}
}
报错指向这个方法的第一行,请高手手指点,静态的html可以执行成功,但是当做jsp部署到tamcat中,在访问就报错!如果不详细可以附上代码!
<form name="form1">
<tr>
<td><table width="180" height="100%" bgcolor="#CEE1C4" valign="top">
<tr>
<td height="40" align="center" valign="middle">影像设备列表<select id=devList onChange = SetCameraID(this.value) style="width:98%"></select></td>
</tr>
<tr>
<td height="40" align="center" valign="middle">设备分辨率<select id=resList onChange = SetResolution(this.options[this.selectedIndex].text) style="width:98%"></select></td>
</tr>
<tr>
<td height="40" align="center" valign="middle">图片路径<input name="savePath" value="C:\" style="width:140"><input id=browse type="button" value="..." onclick=BrowseFolder()></td>
</tr>
<tr>
<td height="40" align="center" valign="middle"><input id=start type="button" value=" 预 览 " onClick=Start()></td>
</tr>
<td height="40" align="center" valign="middle"><input type="checkbox" name="是否裁边" onClick=CutBlackMargin()>是否裁边</td>
<tr>
<td height="40" align="center" valign="middle"><input id=getPic type="button" value=" 拍 图 " onClick=GetPic()></td>
</tr>
<tr>
<td height="40" align="center" valign="middle"><input id=stop type="button" value=" 关 闭 " onClick=Stop()></td>
</tr>
<tr>
<td height="40" align="center" valign="middle"><input id=option type="button" value=" 设 置 " onClick=ShowSetup()></td>
</tr>
<tr>
<td height="40" align="center" valign="middle"><input id=toolbar type="button" value=" 工 具 条 " onClick=ShowToolBar()></td>
</tr>
<tr>
<td height="40" align="center" valign="middle"><input id=about type="button" value=" 关 于 " onClick=ShowAboutBox()></td>
</tr>
<tr><td height="100%"></td></tr></table>
</td>
<td width="100%" valign="top">
<OBJECT id="ggcom" classid="clsid:5026E632-AE63-4094-8981-9CE9EE9EA003" width="100%" height="100%" CODEBASE="GGCamera.CAB#version=1,0,0,0">
<param name="_Version" value="65536">
<param name="_ExtentX" value="2646">
<param name="_ExtentY" value="1323">
<param name="_StockProps" value="0">
</object>
</td>
</tr>
<tr><td height="10">
</tr>
</form>
</table>
或者是引用了其他的JS,JS语法错误导致这个错误?
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<style type="text/css">
</style>
<title>My JSP '1234.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
--> </head>
<script type="text/javascript">
window.onload=function()
{
GetDevResolution();
GetAllDevName();
}
</script>
<script language="javascript" type="text/JavaScript">
var bShow = 0;
var nCount = 0;
var bAddText = 0;
var bRotate = 0;
var checked = 0;function CutBlackMargin()
{
var obj = document.getElementsByTagName("input");
for(var i = 0; i < obj.length; i++)
{
var cb = obj[i];
if (cb.type== "checkbox")
{
if (cb.checked)
form1.ggcom.ClrBlackMargin = 1; //裁边
else
form1.ggcom.ClrBlackMargin = 0;
}
}
}function GetPic()
{
nCount = nCount + 1;
var strFolderPath = document.getElementById("savePath").value;
if(strFolderPath.charAt(strFolderPath.length-1) != "//")
strFolderPath = strFolderPath + "//";
var strfilePath = strFolderPath + padLeft(nCount,3) + ".jpg";
form1.ggcom.GetRectPic2(strfilePath,60,0,0,0,0,0);
}function ShowToolBar()
{
if (bShow == 0)
{
form1.ggcom.ShowToolbar(0);
bShow = 1;
}
else
{
form1.ggcom.ShowToolbar(1);
bShow = 0;
}
}function ShowSetup()
{
form1.ggcom.ShowSetup();
}function Start()
{
var objDevice = document.getElementById("devList");
if(objDevice == undefined) return;
SetCameraID(objDevice.options[objDevice.selectedIndex].value); var objResolution = document.getElementById("resList");
if(objResolution == undefined) return;
SetResolution(objResolution.options[objResolution.selectedIndex].text)
// form1.ggcom.ClrBlackMargin = 1; //裁边
}function Stop()
{
form1.ggcom.Stop();
}function ShowAboutBox()
{
form1.ggcom.AboutBox();
}function GetAllDevName()
{
var strDevName = form1.ggcom.GetAllDevName();
var strDevNameArr=strDevName.split(";");
var selectObj = document.getElementById("devList");
if(selectObj == undefined) return; for(i=0;i<strDevNameArr.length;i++)
{
selectObj.options.add(new Option(strDevNameArr[i],i));
}
}function SetCameraID(ID)
{
form1.ggcom.Stop();
form1.ggcom.CurCameraID = ID; GetDevResolution();
}function GetDevResolution()
{
var selectObj = document.getElementById("resList");
if(selectObj == undefined) return;
selectObj.innerHTML = ""; var strResolution = form1.ggcom.GetDevAllResolution1(form1.ggcom.CurCameraID);
var strResolutionArr = strResolution.split(";");
for(i=0;i<strResolutionArr.length;i++)
{
selectObj.options.add(new Option(strResolutionArr[i],i));
}
}function SetResolution(txt)
{
form1.ggcom.Stop();
var i = txt.indexOf("x");
var j = txt.indexOf("(");
var k = txt.indexOf(")");
var width = txt.substring(0,i);
var height = txt.substring(i+1,j);
var bitcount = txt.substring(j+1,k);
var state = 0;
state=form1.ggcom.SetPrevResolution(width,height,bitcount);
if( state == 1 )
{
// form1.ggcom.ClrBlackMargin = 1; //裁边
form1.ggcom.Start();
}
else
alert("不支持当前设置");
} function BrowseFolder()
{
try
{
var Message = "请选择文件夹"; //选择框提示信息
var Shell = new ActiveXObject( "Shell.Application" );
var Folder = Shell.BrowseForFolder(0,Message,0x0040,0x11);//起始目录为:我的电脑
//var Folder = Shell.BrowseForFolder(0,Message,0); //起始目录为:桌面
if(Folder != null)
{
Folder = Folder.items(); // 返回 FolderItems 对象
Folder = Folder.item(); // 返回 Folderitem 对象
Folder = Folder.Path; // 返回路径
document.all.savePath.value=Folder;
return Folder;
}
}
catch(e)
{
alert(e.message);
}
}function padLeft(str,lenght)
{
if(str.length >= lenght)
return str;
else
return padLeft("0" +str,lenght);
} </script>
<body>
<div>
<img src="indexbg.jpg" width="900" height="56">
</div>
<form name="form1">
<table width="900" height="500" border="0" cellpadding="0" cellspacing="0"> <tr>
<td><table width="180" height="100%" bgcolor="#CEE1C4" valign="top">
<tr>
<td height="40" align="center" valign="middle">影像设备列表<select id=devList onChange = SetCameraID(this.value) style="width:98%"></select></td>
</tr>
<tr>
<td height="40" align="center" valign="middle">设备分辨率<select id=resList onChange = SetResolution(this.options[this.selectedIndex].text) style="width:98%"></select></td>
</tr>
<tr>
<td height="40" align="center" valign="middle">图片路径<input name="savePath" value="C:\" style="width:140"><input id=browse type="button" value="..." onclick=BrowseFolder()></td>
</tr>
<tr>
<td height="40" align="center" valign="middle"><input id=start type="button" value=" 预 览 " onClick=Start()></td>
</tr>
<tr>
<td height="40" align="center" valign="middle"><input type="checkbox" name="是否裁边" onClick=CutBlackMargin()>是否裁边</td>
</tr>
<tr>
<td height="40" align="center" valign="middle"><input id=getPic type="button" value=" 拍 图 " onClick=GetPic()></td>
</tr>
<tr>
<td height="40" align="center" valign="middle"><input id=stop type="button" value=" 关 闭 " onClick=Stop()></td>
</tr>
<tr>
<td height="40" align="center" valign="middle"><input id=option type="button" value=" 设 置 " onClick=ShowSetup()></td>
</tr>
<tr>
<td height="40" align="center" valign="middle"><input id=toolbar type="button" value=" 工 具 条 " onClick=ShowToolBar()></td>
</tr>
<tr>
<td height="40" align="center" valign="middle"><input id=about type="button" value=" 关 于 " onClick=ShowAboutBox()></td>
</tr>
<tr><td height="100%"></td></tr></table>
</td>
<td width="100%" valign="top">
<OBJECT id="ggcom" classid="clsid:5026E632-AE63-4094-8981-9CE9EE9EA003" width="100%" height="100%" CODEBASE="GGCamera.CAB#version=1,0,0,0">
<param name="_Version" value="65536"/>
<param name="_ExtentX" value="2646"/>
<param name="_ExtentY" value="1323"/>
<param name="_StockProps" value="0"/>
</object>
</td>
</tr>
<tr><td height="10"></td>
</tr>
</table>
</form>
</body>
</html>
你把objDevice.options[objDevice.selectedIndex].value值打出来看看,是不是页面没option值导致的报错