访问父窗体
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
function setValue(){
document.Form1.txt1.value= "changed" ;
}function openWin(){
objWin = window.open('','');
objWin.document.write ("<input type='button' value='SetValue' onclick='opener.setValue();window.opener=null;window.close()'>");
objWin.document.close;
}
//-->
</SCRIPT>
</HEAD><BODY>
<FORM name="Form1" METHOD=POST ACTION="">
<INPUT TYPE="text" NAME="txt1" value="default">
<INPUT TYPE="button" NAME="abc" onclick="openWin()" value="openWin">
</FORM>
</BODY>
</HTML>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
function setValue(){
document.Form1.txt1.value= "changed" ;
}function openWin(){
objWin = window.open('','');
objWin.document.write ("<input type='button' value='SetValue' onclick='opener.setValue();window.opener=null;window.close()'>");
objWin.document.close;
}
//-->
</SCRIPT>
</HEAD><BODY>
<FORM name="Form1" METHOD=POST ACTION="">
<INPUT TYPE="text" NAME="txt1" value="default">
<INPUT TYPE="button" NAME="abc" onclick="openWin()" value="openWin">
</FORM>
</BODY>
</HTML>
---------------
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
function setValue(){
gobjSubWin.document.Form1.txt1.value= "changed" ;
}function openWin() {
if (!gfSubWinCheck()) {
return false;
}
gobjSubWin=window.open('','');
gobjSubWin.document.write("<FORM name=\"Form1\">");
gobjSubWin.document.write("<INPUT TYPE=\"text\" NAME=\"txt1\" value=\"default\">");
gobjSubWin.document.write("</FORM>");
gobjSubWin.document.close;
} if (gobjSubWin==null) var gobjSubWin = 0; function gfSubWinCheck() {
if(gobjSubWin == 0) {
return true;
}else if( gobjSubWin.closed ) {
//alert('it was Closed,i\'ll open a new one.');
return true;
}else {
//alert('it was existed.');
//gobjSubWin.focus();
return false;
}
}
//-->
</SCRIPT>
</HEAD><BODY>
<FORM name="Form1" METHOD=POST ACTION="">
<INPUT TYPE="text" NAME="txt1" value="default">
<INPUT TYPE="button" NAME="abc" onclick="openWin()" value="openWin">
<INPUT TYPE="button" NAME="abc" onclick="setValue()" value="setValue">
</FORM>
</BODY>
</HTML>