jquery，Ajax判断验证码是否正确demo
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js实现代码
<script type="text/javascript">
$(function(){
//向客户端ajax发送数据
$("#verify:text").blur(function(){
var verify = $('#verify').val();
var data = 'verify=' +verify;
$.ajax({
type: "post",
datatype:"json",
url: "__URL__/verify",
data: data,
success: function(data){
if(data=='false'){
$("form").submit(function(e){
e.preventDefault();
});
}else{
GetMoreSource()
//document.getElementById('submit').submit()="false";
}
},
error: function() { alert("error"); } ,
});
});
});
function GetMoreSource() {
data=$('.calculate').serialize();
$.ajax({
type: "post",
datatype:"json",
url: "__URL__/matchAdviserList",
data: data,
success: function(data){
$("#divok").html(data);
},
error: function() { alert("error"); } ,
});
}php验证部分代码
//判断验证码是否正确
public function verify(){
$verify=$this->_post('verify');
if($_SESSION['verify']==md5($verify)&&!empty($verify)){
echo 'true';
}else{
echo 'false';
}
}html部分实现代码
<body>
<form action="" method="post" id="submitForAjax" >
aaa:<select name="webtype" class="calculate">
<option value="" selected></option>
</select><br>
bbb :<input type="text" name="dayPv" class="calculate"><br>
ccc:<input type="text" name="indexPage" class="calculate"><br>
ddd:<input type="text" name="dataCon" class="calculate"><br>
eee:<input type="text" name="verify" nullmsg="请输入验证码" id="verify"><span id="result"></span>
<a href="#"><img id="im" src="__APP__/User/Login/verify" onclick="this.src='__APP__/User/Login/verify/?id='+Math.random()*5;" /></a>
<i><a href="#" title="换一张" onclick="document.getElementById('im').src='__APP__/User/Login/verify/?id='+Math.random()*5;">换一张</a></i>
</form>
<input type="submit" value="按钮" id="submit" >
<div id="divok">
</div>
</body>
感谢支持与鼓励～