用javascript生成一个注册页面,要求用户名和密码不能为空,密码和确认密码一样,年龄在0到100之间,急

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用javascript生成一个注册页面,要求用户名和密码不能为空,密码和确认密码一样,年龄在0到100之间,急,第1张

给你个类似的话 自己改下就好

<html>

<head>

<meta http-equiv="Content-Type" content="text/htmlcharset=utf-8" />

<title>欢迎进入注册页面</title>

<script language="javascript">

function checkname(){

var div = document.getElementById("div1")

div.innerHTML = ""

var name1 = document.form1.text1.value

if (name1 == "") {

div.innerHTML = "<font color=red>姓名不能为空!</font>"

document.form1.text1.focus()

return false

}

if (name1.length <4 || name1.length >16) {

div.innerHTML = "<font color=red>姓名输入的长度4-16个字符!</font>"

document.form1.text1.select()

return false

}

return true

}

function checkpassword(){

var div = document.getElementById("div2")

div.innerHTML = ""

var password = document.form1.text2.value

if (password == "") {

div.innerHTML = "<font color=red>密码不能为空!</font>"

document.form1.text2.focus()

return false

}

if (password.length <4 || password.length >12) {

div.innerHTML = "<font color=red>密码长度4-12位</font>"

document.form1.text2.select()

return false

}

return true

}

function checkrepassword(){

var div = document.getElementById("div3")

div.innerHTML = ""

var password = document.form1.text2.value

var repass = document.form1.text3.value

if (repass == "") {

div.innerHTML = "<font color=red>密码不能为空!</font>"

document.form1.text3.focus()

return false

}

if (password != repass) {

div.innerHTML = "<font color=red>输入密码和确认密码长度不一致</font>"

document.form1.text3.select()

return false

}

return true

}

function checkEmail(){

var div = document.getElementById("div4")

div.innerHTML = ""

var email = document.form1.text4.value

var sw = email.indexOf("@", 0)

var sw1 = email.indexOf(".", 0)

var tt = sw1 - sw

if (email.length == 0) {

div.innerHTML = "<font color=red>电子邮件不能为空</font>"

document.form1.text4.focus()

return false

}

if (email.indexOf("@", 0) == -1) {

div.innerHTML = "<font color=red>电子邮件格式不正确,必须包含@符号!</font>"

document.form1.text4.select()

return false

}

if (email.indexOf(".", 0) == -1) {

div.innerHTML = "<font color=red>电子邮件格式不正确,必须包含.符号!</font>"

document.form1.text4.select()

return false

}

if (tt == 1) {

div.innerHTML = "<font color=red>邮件格式不对。@和.不可以挨着!</font>"

document.form1.text4.select()

return false

}

if (sw >sw1) {

div.innerHTML = "<font color=red>电子邮件格式不正确,@符号必须在.之前</font>"

document.form1.text4.select()

return false

}

else {

return true

}

return ture

}

function checkPhone(){

var div = document.getElementById("div5")

div.innerHTML = ""

var phone = document.form1.text5.value

if (phone == "") {

div.innerHTML = "<font color=red>手机号不能为空!</font>"

document.form1.text5.focus()

return false

}

if (phone.length == 11) {

div.innerHTML = "<font color=red>手机号码只能为11个字符!</font>"

document.form1.text5.select()

return false

}

return true

}

function check(){

if (checkname() &&checkpassword() &&checkrepassword() &&checkEmail()&&checkPhone()) {

var a = document.form1.text1.value

var b = document.form1.text2.value

var c = document.form1.text4.value

var d = document.form1.text5.value

var e = document.form1.text6.value

alert("用户名:"+a+",密码:"+b+",邮件:"+c+",手机号码是:"+d+".学历是:"+e+",爱好:")

return true

}

else {

return false

}

}

</script>

</head>

<body>

<form name="form1" onSubmit="return check()">

<table border="1" align="center">

<tr>

<td>

<div align="right">用户名:</div></td>

<td>

<input id="text1" type="text" name="text1" onBlur="check()">

<div id="div1" style="display:inline"> </div> </td>

</tr>

<tr>

<td>

<div align="right">密码:</div></td>

<td>

<input id="text2" type="password" name="text2" onBlur="check()">

<div id="div2" style="display:inline"> </div> </td>

</tr>

<tr>

<td>

<div align="right">确认密码:</div></td>

<td>

<input id="text3" type="password" name="text3" onBlur="check()">

<div id="div3" style="display:inline"> </div> </td>

</tr>

<tr>

<td>

<div align="right">电子邮件地址:</div></td>

<td>

<input id="text4" type="text" name="text4" onBlur="check()">

<div id="div4" style="display:inline"> </div> </td>

</tr>

<tr>

<td>

<div align="right">手机号码:</div></td>

<td>

<input id="text5" type="text" name="text5" onBlur="check()">

<div id="div5" style="display:inline"> </div> </td>

</tr>

<tr align="center">

<td><div align="right">学历:</div></td>

<td><div align="left">

<select name="text6">

<option value="初中">初中</option>

<option value="高中">高中</option>

<option value="中专">中专</option>

<option value="大专">大专</option>

<option value="本科">本科</option>

<option value="硕士">硕士</option>

<option value="博士">博士</option>

</select>

</div></td>

</tr>

<tr align="center">

<td align="center"><div align="right">兴趣爱好:</div></td>

<td align="center">

<input type="checkbox" name="text11" value="篮球">

篮球

<input type="checkbox" name="checkbox12" value="音乐">

音乐

<input type="checkbox" name="checkbox13" value="足球">

足球

<input type="checkbox" name="checkbox14" value="其他">

其他</td>

</tr>

<tr align="center">

<td align="center"><input type="submit" value="提交" name="text8">

<input type="reset" value="重置" name="text9"></td>

<td align="center"> </td>

</tr>

</table>

</form>

</body>

</html>

你意思先在流行的一种注册方式。

参考一个

<html>

<head>

<style type="text/css">

</style>

</head>

<body>

//背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色) //背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色) //背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色) //背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色) //背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色) //背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色)

<input type="button" value="点击这里" onclick="sAlert()" />

<script type="text/javascript" language="javascript">

function sAlert(){

var msgw,msgh,bordercolor

msgw=250//提示窗口的宽度

msgh=100//提示窗口的高度

bordercolor="#336699"//提示窗口的边框颜色

titlecolor="#99CCFF"//提示窗口的标题颜色

//背景层(大小与窗口有效区域相同,即当弹出对话框时,背景显示为放射状透明灰色)

var bgObj=document.createElement("div")//创建一个div对象(背景层)

//定义div属性

bgObj.setAttribute("id","bgDiv")

bgObj.style.position="absolute"

bgObj.style.top="0"

bgObj.style.background="#777"

bgObj.style.filter="progid:DXImageTransform.Microsoft.Alpha(style=3,opacity=25,finishOpacity=75"

bgObj.style.opacity="0.6"

bgObj.style.left="15%"

bgObj.style.width="85%"

bgObj.style.height="100%"

bgObj.style.zIndex = "10000"

document.body.appendChild(bgObj)//在body内添加该div对象

var msgObj=document.createElement("div")//创建一个div对象(提示框层)

//定义div属性,即相当于

msgObj.setAttribute("id","msgDiv")

msgObj.setAttribute("align","center")

msgObj.style.background="white"

msgObj.style.border="1px solid " + bordercolor

msgObj.style.position = "absolute"

msgObj.style.left = "65%"

msgObj.style.top = "50%"

msgObj.style.font="12px/1.6em Verdana, Geneva, Arial, Helvetica, sans-serif"

msgObj.style.marginLeft = "-225px"

msgObj.style.marginTop = -75+document.documentElement.scrollTop+"px"

msgObj.style.width = msgw + "px"

msgObj.style.height =msgh + "px"

msgObj.style.textAlign = "center"

msgObj.style.lineHeight ="25px"

msgObj.style.zIndex = "10001"

var title=document.createElement("h4")//创建一个h4对象(提示框标题栏)

//定义h4的属性,即相当于

//<h4 id="msgTitle" align="right" style="margin:0 padding:3px background-color:#336699 filter:progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100) opacity:0.75 border:1px solid #336699 height:18px font:12px Verdana,Geneva,Arial,Helvetica,sans-serif color:white cursor:pointer" onclick="">关闭 </h4>

title.setAttribute("id","msgTitle")

title.setAttribute("align","right")

title.style.margin="0"

title.style.padding="3px"

title.style.background=bordercolor

title.style.filter="progid:DXImageTransform.Microsoft.Alpha(startX=20, startY=20, finishX=100, finishY=100,style=1,opacity=75,finishOpacity=100)"

title.style.opacity="0.7"

title.style.border="1px solid " + bordercolor

title.style.height="12px"

title.style.font="12px Verdana, Geneva, Arial, Helvetica, sans-serif"

title.style.color="white"

title.style.cursor="pointer"

title.innerHTML="关闭"

title.onclick=removeObj

function removeObj(){//点击标题栏触发的事件

document.body.removeChild(bgObj)//删除背景层Div

document.getElementById("msgDiv").removeChild(title)//删除提示框的标题栏

document.body.removeChild(msgObj)//删除提示框层

}

document.body.appendChild(msgObj)//在body内添加提示框div对象msgObj

document.getElementById("msgDiv").appendChild(title)//在提示框div中添加标题栏对象title

var txt=document.createElement("p")//创建一个p对象(提示框提示信息)

txt.style.margin="1em 0"

txt.setAttribute("id","msgTxt")

txt.innerHTML='key:<input type="test" name="psd" /><br><input type ="button" value = "send" onclick= removeObj() >'

document.getElementById("msgDiv").appendChild(txt)//在提示框div中添加提示信息对象txt

}

</script>

</body>

</html>

用innerHTML属性更改文本,以密码后面为例。节点可能会找错,我找的是font标签

var ofont = var ofont = document.getElementsByTagName("font")[0]

ofont.innerHTML = "不能为空"

这样font中的文字就会被更改了