jsp代码:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
注册
<br><br> function checkUserName(obj){<br><br> var username = obj;<br><br> var checkUserNameResult = document.getElementById("checkUserNameResult");<br><br> if(username.trim().length==0){<br><br> checkUserNameResult.innerHTML = "*用户名不能为空";<br><br> obj.focus();<br><br> }else{<br><br> checkUserNameResult.innerHTML = "";<br><br> }<br><br> }<br><br>
<br><br> function checkPassword(obj){<br><br> var password = obj;<br><br> var checkPasswordResult = document.getElementById("checkPasswordResult");<br><br> if(password.trim().length==0){<br><br> checkPasswordResult.innerHTML = "*密码不能为空";<br><br> obj.focus();<br><br> }else{<br><br> checkPasswordResult.innerHTML = "";<br><br> }<br><br> }<br><br>
<br><br> function checkrePassword(obj){<br><br> var repassword = obj;<br><br> var checkrePasswordResult = document.getElementById("checkrePasswordResult");<br><br> if(repassword.trim().length==0){<br><br> checkrePasswordResult.innerHTML = "*确认密码不能为空";<br><br> obj.focus();<br><br> }else{<br><br> checkrePasswordResult.innerHTML = "";<br><br> }<br><br> }<br><br>
</head>
<body>
<h1>用户注册</h1>
<form>
<div>
账 号:<input type="text" name="username" onblur="checkUserName(this.value);"/>
<span id="checkUserNameResult" style="color: red "></span>
<br/><br/>
密 码:<input type="password" name="password" id="pwd1" onblur="checkPassword(this.value);"/>
<span id="checkPasswordResult" style="color: red "></span>
<br/><br/>
确认密码:<input type="password" name="repassword" id="pwd2" onblur="checkrePassword(this.value);"/>
<span id="checkrePasswordResult" style="color: red "></span>
<br/><br/>
性 别:<input type="radio" name="sex" value="man" checked="checked" />男
<input type="radio" name="sex" value="woman" />女
<br/><br/>
爱 好:<input type="checkbox" name="hobby" value="sport"/>运动
<input type="checkbox" name="hobby" value="sport"/>上网
<input type="checkbox" name="hobby" value="sport"/>看书
<input type="checkbox" name="hobby" value="sport"/>听歌
<input type="checkbox" name="hobby" value="sport"/>睡觉
<br/><br/>
年 龄:<input type="text" name="age" /><br/><br/>
出生日期:<input type="text"/><br/><br/>
备 注:<textarea name="word" cols=50 rows=10></textarea><br/><br/> <input type="submit" value="注册" onclick="return checkpasswd()"/>
<input type="reset" />
</div>
</form>
</body>
</html>
ajax和action如何写啊,才开始学习web,求大神教教