要做一个用户发帖前登录的判断,用户点击“发帖”如果未登录,则会弹出登录框,并且不把用户写的帖子内容传输给PHP文件处理,如果已登录,则不弹出登录框,直接把用户写的帖子内容传输给PHP文件处理,<form method=post action="pinglun.php"><input id="sendBtn" type="submit" value="发表" title="快捷键 Ctrl+Enter" /></form><script type="text/javascript">
var reg = document.getElementById("sendBtn");//获取input元素
// 根据用户登录状态选择是否弹出登录框
if(n==“”)
{
reg.onclick = function(){ }
}
</script>现在的问题是,如果用户未登录,会弹出登录框,但之后有会把数据传送给PHP处理
请问用什么办法,在用户未登录的情况下,只弹出登陆框,而不会把文件给php处理。
var reg = document.getElementById("sendBtn");//获取input元素
// 根据用户登录状态选择是否弹出登录框
if(n==“”)
{
reg.onclick = function(){ }
}
</script>现在的问题是,如果用户未登录,会弹出登录框,但之后有会把数据传送给PHP处理
请问用什么办法,在用户未登录的情况下,只弹出登陆框,而不会把文件给php处理。
例如:
<script>
function checkStatus()
{
if(userLogin) return true;
else { alert('please login'); return false; }
}
</script>
<input id="sendBtn" type="submit" value="发表" title="快捷键 Ctrl+Enter" onsubmit="return checkStatus();" />
分析了原因,应该是input按钮的问题,但是不知道原因,求教
<form method=post action="pinglun.php" id="hello">
<h2>说说你的看法</h2>
<div>
<input id="userName" name="mingzi" class="f-text" value="" />
<input id="pinglunid" name="pinglunid" value="sss" type="hidden">
<p id="face"><img src="img/face1.gif" class="current" /><img src="img/face2.gif" /><img src="img/face3.gif" /><img src="img/face4.gif" /><img src="img/face5.gif" /><img src="img/face6.gif" /><img src="img/face7.gif" /><img src="img/face8.gif" /></p>
</div>
<div><textarea name="txt" id="conBox" class="f-text"></textarea></div>
<div class="tr">
<p>
<span class="countTxt"></span><strong class="maxNum">140</strong><span></span> <input id="sendBtn" type="submit" value="发表" title="快捷键 Ctrl+Enter" /> </p>
</div>
</form>
<div id="mysDiv">156</div><script type="text/javascript">
var myAlert = document.getElementById("alert");
var reg = document.getElementById("sendBtn");
var mClose = document.getElementById("close");var n=document.getElementById("mysDiv").innerText;
document.write(n);
if(n==156)
{
reg.onclick = function(){
myAlert.style.display = "block";
myAlert.style.position = "absolute";
myAlert.style.top = "50%";
myAlert.style.left = "50%";
myAlert.style.marginTop = "-75px";
myAlert.style.marginLeft = "-150px";mybg = document.createElement("div");
mybg.setAttribute("id", "mybg");
mybg.style.background = "#000";
mybg.style.width = "100%";
mybg.style.height = "100%";
mybg.style.position = "absolute";
mybg.style.top = "0";
mybg.style.left = "0";
mybg.style.zIndex = "500";
mybg.style.opacity = "0.3";
mybg.style.filter = "Alpha(opacity=30)";
document.body.appendChild(mybg);
document.body.style.overflow = "hidden";
}
document.getElementById("hello").action="";
}
else
{
//document.getElementById("myDiv").style.display="none";
return flase;}
mClose.onclick = function() {
myAlert.style.display = "none";
mybg.style.display = "none";
}
</script>部分代码如上,点击"发表“按钮,弹出层闪一下就没了,
<form method=post action="pinglun.php" id="hello">
<h2>说说你的看法</h2>
<div>
<input id="userName" name="mingzi" class="f-text" value="" />
<input id="pinglunid" name="pinglunid" value="sss" type="hidden">
<p id="face"><img src="img/face1.gif" class="current" /><img src="img/face2.gif" /><img src="img/face3.gif" /><img src="img/face4.gif" /><img src="img/face5.gif" /><img src="img/face6.gif" /><img src="img/face7.gif" /><img src="img/face8.gif" /></p>
</div>
<div><textarea name="txt" id="conBox" class="f-text"></textarea></div>
<div class="tr">
<p>
<span class="countTxt"></span><strong class="maxNum">140</strong><span></span> <input id="sendBtn" type="submit" value="发表" title="快捷键 Ctrl+Enter" /> </p>
</div>
</form>
<div id="mysDiv">156</div><script type="text/javascript">
var myAlert = document.getElementById("alert");
var reg = document.getElementById("sendBtn");
var mClose = document.getElementById("close");var n=document.getElementById("mysDiv").innerText;
document.write(n);
if(n==156)
{
reg.onclick = function(){
myAlert.style.display = "block";
myAlert.style.position = "absolute";
myAlert.style.top = "50%";
myAlert.style.left = "50%";
myAlert.style.marginTop = "-75px";
myAlert.style.marginLeft = "-150px";mybg = document.createElement("div");
mybg.setAttribute("id", "mybg");
mybg.style.background = "#000";
mybg.style.width = "100%";
mybg.style.height = "100%";
mybg.style.position = "absolute";
mybg.style.top = "0";
mybg.style.left = "0";
mybg.style.zIndex = "500";
mybg.style.opacity = "0.3";
mybg.style.filter = "Alpha(opacity=30)";
document.body.appendChild(mybg);
document.body.style.overflow = "hidden";
}
document.getElementById("hello").action="";
}
else
{
//document.getElementById("myDiv").style.display="none";
return flase;}
mClose.onclick = function() {
myAlert.style.display = "none";
mybg.style.display = "none";
}
</script>
<body>
<div id="container">
<div id="header"></div>
<div id="menu"></div>
<div id="mainContent">
<div id="sidebar">
<table width=100%>
<tr>
<td width=100% align="center">hilive </td>
</tr>
</table>
</div>
<div id="sidebar2"></div>
<div id="content">neirong
<TABLE cellspacing=0 border=0 bgcolor=#f5f9fa width=100% ><TR><TD WIDTH=100 ALIGN=RIGHT VALIGN=bottom></TD>
<TD><center><br><font size=-1 color=green>作者:<a href="/browse/Listwriter.asp?vid=66546931&vwriter=" target=_blank></a>
<span name="ad_logo_userid_66546931" value="66546931"></span>
回复日期:</font></center></TD><TD WIDTH=100 ALIGN=RIGHT VALIGN=bottom> </TD></TR>
</table>
<div id="msgBox">
<form method=post action="pinglun.php" id="hello">
<h2>说说你的看法</h2>
<div>
<input id="userName" name="mingzi" class="f-text" value="" />
<input id="pinglunid" name="pinglunid" value="sss" type="hidden">
<p id="face"><img src="img/face1.gif" class="current" /><img src="img/face2.gif" /><img src="img/face3.gif" /><img src="img/face4.gif" /><img src="img/face5.gif" /><img src="img/face6.gif" /><img src="img/face7.gif" /><img src="img/face8.gif" /></p>
</div>
<div><textarea name="txt" id="conBox" class="f-text"></textarea></div>
<div class="tr">
<p>
<span class="countTxt"></span><strong class="maxNum">140</strong><span></span> <input id="sendBtn" type="submit" value="发表" title="快捷键 Ctrl+Enter" /> </p>
</div>
</form>
<div class="list">
<h3><span>回复区</span></h3>
<ul>
<form>
<script type="text/javascript">function loadXMLDoc()
{
var xmlhttp;
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","pinglunchu.php?id=sss",true);
xmlhttp.send();
}
setInterval("loadXMLDoc()",10000000);
</script></form>
<div id="myDiv"></div> </ul>
</div>
</div></div>
</div>
<div id="footer"><span style="display:none"><script language="javascript" type="text/javascript" src="http://js.users.51.la/1967272.js"></script></span></div>
</div> <div id="alert">
<form action="1.php" method="post">
<h4><span>现在注册</span><span id="close">关闭</span></h4>
<p><label> 用户名</label><input type="text" name="use" class="myinp" onmouseover="this.style.border='1px solid #f60'" onfoucs="this.style.border='1px solid #f60'" onblur="this.style.border='1px solid #ccc'" /></p>
<p><label> 密 码</label><input type="password" name="password" class="myinp" onmouseover="this.style.border='1px solid #f60'" onfoucs="this.style.border='1px solid #f60'" onblur="this.style.border='1px solid #ccc'" /></p>
<p><input type="submit" value="注册" class="sub" /><input type="reset" value="重置" class="sub" /></p>
</form>
</div>
<div id="mysDiv">156</div><script type="text/javascript">
var myAlert = document.getElementById("alert");
var reg = document.getElementById("sendBtn");
var mClose = document.getElementById("close");var n=document.getElementById("mysDiv").innerText;
document.write(n);
if(n==156)
{
reg.onclick = function(){
myAlert.style.display = "block";
myAlert.style.position = "absolute";
myAlert.style.top = "50%";
myAlert.style.left = "50%";
myAlert.style.marginTop = "-75px";
myAlert.style.marginLeft = "-150px";mybg = document.createElement("div");
mybg.setAttribute("id", "mybg");
mybg.style.background = "#000";
mybg.style.width = "100%";
mybg.style.height = "100%";
mybg.style.position = "absolute";
mybg.style.top = "0";
mybg.style.left = "0";
mybg.style.zIndex = "500";
mybg.style.opacity = "0.3";
mybg.style.filter = "Alpha(opacity=30)";
document.body.appendChild(mybg);
document.body.style.overflow = "hidden";
}
document.getElementById("hello").action="";
}
else
{
//document.getElementById("myDiv").style.display="none";
return flase;}
mClose.onclick = function() {
myAlert.style.display = "none";
mybg.style.display = "none";
}
</script>
</body>