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织梦ajax跨域提交自定义表单和跨域验证码问题

A站(www.a.com),有个form表单,ajax提交到 B站(www.b.com),还附带个验证码 A站上的表单代码如下 script type = text/javascript src = http://apps.bdimg.com/libs/jquery/1.6.4/jquery.min.js / script script function send () { $.ajax({ cache : true , type : POST , url : http://www.b.com/plus/ […]



A站(www.a.com),有个form表单,ajax提交到 B站(www.b.com),还附带个验证码

A站上的表单代码如下

<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/1.6.4/jquery.min.js"></script>
<script>
function send(){
    $.ajax({
        cache:true,
        type:"POST",
        url:"http://www.b.com/plus/diy.php",
        data:$('#diyform').serialize(),
		xhrFields:{withCredentials: true}, //ajax跨域提交需要
		crossDomain:true, //ajax跨域提交需要
        success: function(data){
            if(data=="success"){
                alert('发送成功!');
            }else{
                alert('发送失败!');
            }
        }
    });
}
</script>
<form action="" enctype="multipart/form-data" method="post" id="diyform">
	<input type="hidden" name="action" value="post" />
	<input type="hidden" name="diyid" value="2" />
	<input type="hidden" name="do" value="2" />
	<input type="hidden" name="dede_fields" value="name,text" />
	<input type="hidden" name="dede_fieldshash" value="c2be5bb5ec45d9d01ca9f60dc469b3fb" />
	<p>
		姓名:
		<input type='text' name='name' id='name' />
	</p>
	<p>
		验证码:
		<input type="text" name="validate"><img src="http://www.b.com/include/vdimgck.php" align="absmiddle" onclick="this.src='http://www.b.com/include/vdimgck.php?tag='+Math.random();" style="cursor:pointer;">
	</p>
	<div onclick="send()">提交</div>
</form>

1、提交到 http://www.b.com/plus/diy.php

2、验证码 http://www.b.com/include/vdimgck.php

3、ajax 跨域必需js代码

xhrFields:{withCredentials: true}, crossDomain:true,

B站上的 /plus/diy.php 文件上面加入

header("Access-Control-Allow-Credentials:true");
header("Access-Control-Allow-Origin:http://www.a.com");

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