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the request was rejected because no multipart boundary was found？？求解

2016-08-25 15:24 1261 查看

最近有个项目要求跨域post来上传文件，但是运行代码以抛出the request was rejected because no multipart boundary was found异常，以下是jsp页面的代码，哪位大神可以告诉我是怎么回事，该如何修改代码？

<%@ page language="java" pageEncoding="UTF-8"%>

<html>

<head>

<title>Upload</title>

<script type="text/javascript" src="http://code.jquery.com/jquery-1.8.1.min.js"></script>

<script type="text/javascript">

$.fn.serializeObject = function()

{

var o = {};

var a = this.serializeArray();

$.each(a, function() {

if (o[this.name]) {

if (!o[this.name].push) {

o[this.name] = [o[this.name]];

}

o[this.name].push(this.value || '');

} else {

o[this.name] = this.value || '';

}

});

return o;

};

$(function(){
$('.sumbit').click(function(){
var formData = new FormData($('#form1'));

var jsonuserinfo = $('#form1').serializeObject();
alert(JSON.stringify(jsonuserinfo));
alert(formData);

$.ajax({

type: "post", // 或者 "get"

url: "http://localhost:8020/SmartHomeCloudService/DeviceDriver/Upload",

dataType: "json",

data:formData,

contentType:"multipart/form-data",

crossDomain:true,//跨域

processData:false,

success:function(){

alert("success");

},

error:function(){

alert("error");

}

});


});

});

</script>

</head>

<body>

<h3 align="center">jquery Ajax</h3>

<iframe name="upload" style="display:none"></iframe>

<form id="form1" name="form1" method="post" target="upload" action="" encType="multipart/form-data">
<p></p>
file:<input type="file" name="upload_file" id="upload_file" />
<p></p>
<input class="sumbit" type="button" value="提交">

</form>

</body>

</html>

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