问使用ReactJS上传文件组件

EN

module.exports =  React.createClass({
displayName: "Upload",
handleChange: function(e){

    formData = this.refs.uploadForm.getDOMNode();

    jQuery.ajax({
        url: 'http://example.com',
        type : 'POST',
        xhr: function(){
            var myXhr = $.ajaxSettings.xhr();
            if(myXhr.upload){
                myXhr.upload.addEventListener('progress',progressHandlingFunction, false);
            }
            return myXhr;
        },
        data: formData,
        cache: false,
        contentType: false,
        processData: false,
        success: function(data){
            alert(data);
        }
    });

},
render: function(){

        return (
            <form ref="uploadForm" className="uploader" encType="multipart/form-data" onChange={this.handleChange}>
                <input ref="file" type="file" name="file" className="upload-file"/>
            </form>
        );
   }

 });



},
render: function(){

    console.log(this.props.content);

    if(this.props.content != ""){
        return (
            <img src={this.props.content} />
        );
    } else {
        return (
            <form className="uploader" encType="multipart/form-data" onChange={this.handleChange}>
                <input ref="file" type="file" name="file" className="upload-file"/>
            </form>
        );
    }
}
});