iframe 父窗口和子窗口相互的调用方法集锦
一、父窗口调用iframe子窗口方法
1、HTML语法：<iframe name="myFrame" src="child.html"></iframe>
2、父窗口调用子窗 口：myFrame.window.functionName();
3、子窗品调用父窗 口：parent.functionName();
简单地说,也就是在子窗口中调用的变量或函数前加个parent. 就行
4、父窗口页面源码：
< html >
< head >
< script type = "text/javascript" >
function say() {
alert("parent.html------ > I'm at parent.html");
}
function callChild()
{
//document.frames("myFrame").f1();
myFrame.window.say();
}
</ script >
</ head >
< body >
< input type = button value = "调用child.html中的函数say()" onclick = "callChild()" >
< iframe name = "myFrame" src = "child.html" > </ iframe >
</ body >
</ html >
5、子窗口页面：
< html >
< head >
< script type = "text/javascript" >
function say()
{
alert("child.html--- > I'm at child.html");
}
function callParent() {
parent.say();
}
</ script >
</ head >
< body >
< input type = button value = "调用parent.html中的say()函数" onclick = "callParent()" >
</ body >
</ html >
二、iframe 父窗口和子窗口相互的调用方法
1、IE中使用方法：
父窗口调用子窗口：iframe_ID.iframe_document_object.object_attribute = attribute_value
例 子：onClick="iframe_text.myH1.innerText='http://www.pint.com';"
子窗口调用父 窗口：parent.parent_document_object.object_attribute = attribute_value
例 子：onclick="parent.myH1.innerText='http://www.pint.com';"
2、Firefox中使用方法：
上面在IE下没有问题，但在firefox下不正常。在firefox下，应该是如下调用方法：
父窗口调用子窗 口：window.frames["iframe_ID"].document.getElementById("iframe_document_object").object_attribute = attribute_value
例： window.frames["iframe_text"].document.getElementById("myH1").innerHTML= "http://hi.zfrong2000.cn ";
子窗口调用父窗 口：parent.document.getElementById("parent_document_object").object_attribute = attribute_value
例： parent.document.getElementById("myH1").innerHTML = "http:// zfrong2000 .cn ";
3、完整的例子
test.htm
< HTML >
< HEAD >
< TITLE > Test Page </ TITLE >
< script src = "prototype-1.4.0.js" > </ script >
< script language = "javascript" >
function show()
{
window.frames["iframe_text"].document.getElementById("myH1") .innerHTML = "http://hi.wonsoft.cn" ;
}
</ script >
</ HEAD >
< BODY >
< iframe height = "350" width = "600" src = "iframe_test.htm" name = "iframe_text" > </ iframe >
< form action = "" method = "post" >
< input name = "haha" id = "haha" type = "text" maxlength = "30" value = "haha" />
< br />
< textarea cols = "50" rows = "5" id = "getAttributeMethod" > </ textarea >
< input type = "button" onClick = "show();" value = "提交" />
</ form >
< h1 id = "myH1" > d </ h1 >
</ BODY >
</ HTML >
frame_test.htm
<!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=gb2312" />
< title > 无标题文档 </ title >
</ head >
< script language = "javascript" >
function show()
{
parent.document.getElementById("myH1") .innerHTML = http:// zfrong2000 .cn ;
}
</ script >
< body >
< h1 id = "myH1" > ha </ h1 >
< form action = "" method = "post" >
< input name = "abc" id = "abc" type = "text" maxlength = "30" value = "abc" />
< br />
< textarea cols = "50" rows = "10" id = "text" > </ textarea >
< br />
< input type = "button" value = "提交" onclick = "show();" />
</ form >
</ body >
</ html >
test.htm里面firefox下访问iframe 必须用name，不能用id，所以要改为name="iframe_test" 。
三、在c#中如何动态改变iframe的src值，动态指向一个网页
1)如果是javascript脚本
给iframe加一个ID如<iframe id=frmList……
在脚本写
frmList.document.location=strNewUrl
2)如果是后台程序
给iframe加一个ID，再加上runat=server 如<iframe id=frmList runat=server ……
在程序里写
frmList.Attributes.Add("src",strNewUrl);
