<SCRIPT language=javascript>
function gowhere1(formname){
var url;
if (formname.myselectvalue.value == "0")
{
url = "http://www.baidu.com/baidu";
document.search_form1.tn.value = "baidu";
formname.method = "get";
}
if (formname.myselectvalue.value == "1")
{
url = "http://mp3.baidu.com/m";
document.search_form1.tn.value = "baidump3";
document.search_form1.ct.value = "134217728";
document.search_form1.lm.value = "-1";
} if (formname.myselectvalue.value == "4")
{
document.search_form1.tn.value = "news";
document.search_form1.cl.value = "2";
document.search_form1.rn.value = "20";
url = "http://news.baidu.com/ns";
}
if (formname.myselectvalue.value == "5")
{
document.search_form1.tn.value = "baiduiamge";
document.search_form1.ct.value = "201326592";
document.search_form1.cl.value = "2";
document.search_form1.lm.value = "-1";
url = "http://image.baidu.com/i";
}
if (formname.myselectvalue.value == "6")
{
url = "http://post.baidu.com/f";
document.search_form1.tn.value = "baiduPostSearch";
document.search_form1.ct.value = "352321536";
document.search_form1.rn.value = "10";
document.search_form1.lm.value = "65536";
} formname.action = url;
return true;
}
</SCRIPT>
<form name="search_form1" target="_blank" onsubmit="return gowhere1(this)">
<table width="460" height="60" border="0" bgcolor="#FFFFFF" cellpadding="0" cellspacing="0" style=font-family:宋体><tr><td>
<TABLE width="460" height="80" border=0 cellPadding=0 cellSpacing=0>
<INPUT name=myselectvalue type=hidden value=0>
<INPUT name=tn type=hidden>
<INPUT name=ct type=hidden>
<INPUT name=lm type=hidden>
<INPUT name=cl type=hidden>
<INPUT name=rn type=hidden> <TR>
<TD width="8%" valign="bottom">
<DIV align=center><a href="http://www.baidu.com/"><img src="http://img.baidu.com/img/logo-80px.gif"
alt="Baidu" align="bottom" border="0"></a></DIV></TD>
<TD vAlign=bottom width="92%">
<INPUT name=myselect onclick=javascript:this.form.myselectvalue.value=4; type=radio value=0>
<FONT color=#0000cc style="FONT-SIZE: 12px">新闻</FONT> <INPUT CHECKED name=myselect onclick=javascript:this.form.myselectvalue.value=0; type=radio value=0>
<SPAN class=f12><FONT color=#0000cc style="FONT-SIZE: 12px">网页</FONT></SPAN>
<INPUT name=myselect onclick=javascript:this.form.myselectvalue.value=1; type=radio value=1>
<SPAN class=f12><FONT color=#0000cc style="FONT-SIZE: 12px">mp3</FONT></SPAN>
<INPUT name=myselect onclick=javascript:this.form.myselectvalue.value=6; type=radio value=0>
<FONT color=#0000cc style="FONT-SIZE: 12px">贴吧</FONT>
<INPUT name=myselect onclick=javascript:this.form.myselectvalue.value=5; type=radio value=0>
<FONT color=#0000cc style="FONT-SIZE: 12px">图片</FONT> <TABLE align=right border=0 cellPadding=0 cellSpacing=0 width="100%">
<TBODY>
<TR>
<TD><FONT style="FONT-SIZE: 12px">
<input id=word name=word size="40">
</FONT> <input type="submit" value="百度搜索"> </TD></TR> </form>
这当中的红色部分解释下 什么是bn ct rn lm 还有那么input 干嘛要hidden呢?
function gowhere1(formname){
var url;
if (formname.myselectvalue.value == "0")
{
url = "http://www.baidu.com/baidu";
document.search_form1.tn.value = "baidu";
formname.method = "get";
}
if (formname.myselectvalue.value == "1")
{
url = "http://mp3.baidu.com/m";
document.search_form1.tn.value = "baidump3";
document.search_form1.ct.value = "134217728";
document.search_form1.lm.value = "-1";
} if (formname.myselectvalue.value == "4")
{
document.search_form1.tn.value = "news";
document.search_form1.cl.value = "2";
document.search_form1.rn.value = "20";
url = "http://news.baidu.com/ns";
}
if (formname.myselectvalue.value == "5")
{
document.search_form1.tn.value = "baiduiamge";
document.search_form1.ct.value = "201326592";
document.search_form1.cl.value = "2";
document.search_form1.lm.value = "-1";
url = "http://image.baidu.com/i";
}
if (formname.myselectvalue.value == "6")
{
url = "http://post.baidu.com/f";
document.search_form1.tn.value = "baiduPostSearch";
document.search_form1.ct.value = "352321536";
document.search_form1.rn.value = "10";
document.search_form1.lm.value = "65536";
} formname.action = url;
return true;
}
</SCRIPT>
<form name="search_form1" target="_blank" onsubmit="return gowhere1(this)">
<table width="460" height="60" border="0" bgcolor="#FFFFFF" cellpadding="0" cellspacing="0" style=font-family:宋体><tr><td>
<TABLE width="460" height="80" border=0 cellPadding=0 cellSpacing=0>
<INPUT name=myselectvalue type=hidden value=0>
<INPUT name=tn type=hidden>
<INPUT name=ct type=hidden>
<INPUT name=lm type=hidden>
<INPUT name=cl type=hidden>
<INPUT name=rn type=hidden> <TR>
<TD width="8%" valign="bottom">
<DIV align=center><a href="http://www.baidu.com/"><img src="http://img.baidu.com/img/logo-80px.gif"
alt="Baidu" align="bottom" border="0"></a></DIV></TD>
<TD vAlign=bottom width="92%">
<INPUT name=myselect onclick=javascript:this.form.myselectvalue.value=4; type=radio value=0>
<FONT color=#0000cc style="FONT-SIZE: 12px">新闻</FONT> <INPUT CHECKED name=myselect onclick=javascript:this.form.myselectvalue.value=0; type=radio value=0>
<SPAN class=f12><FONT color=#0000cc style="FONT-SIZE: 12px">网页</FONT></SPAN>
<INPUT name=myselect onclick=javascript:this.form.myselectvalue.value=1; type=radio value=1>
<SPAN class=f12><FONT color=#0000cc style="FONT-SIZE: 12px">mp3</FONT></SPAN>
<INPUT name=myselect onclick=javascript:this.form.myselectvalue.value=6; type=radio value=0>
<FONT color=#0000cc style="FONT-SIZE: 12px">贴吧</FONT>
<INPUT name=myselect onclick=javascript:this.form.myselectvalue.value=5; type=radio value=0>
<FONT color=#0000cc style="FONT-SIZE: 12px">图片</FONT> <TABLE align=right border=0 cellPadding=0 cellSpacing=0 width="100%">
<TBODY>
<TR>
<TD><FONT style="FONT-SIZE: 12px">
<input id=word name=word size="40">
</FONT> <input type="submit" value="百度搜索"> </TD></TR> </form>
这当中的红色部分解释下 什么是bn ct rn lm 还有那么input 干嘛要hidden呢?
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<input type="text" name="aa" /> 一个文本框
<input type="hidden" name="bb" />一个隐藏表单域
myselectvalue控件的值
红色部分是取表单名下的控件对象,bn,ct,rn,lm都是控件的名称,比如<INPUT name=tn type=hidden>,name属性就是tn,type=hidden.是提交一个隐藏域,用户不可见
按照我的猜想应该是这样的,
他通过在提交的时候判断
formname.myselectvalue.value的值,应该是在页面里有个下拉框来选择,然后根据用户选择的不同分别给页面的那6个隐藏域赋值,而那6个隐藏表单只是做为一个赋值的容器,当然不希望用户看到,当通过javascript将6个隐藏域赋值以后,在后台得到这些值然后进行一系列的操作。所以根据用户的选择不同而赋予不同的值。大概意思就是这样,不知道有没有听懂