上传文件直接ajax

<style>
        .whole{
            width: 490px;
            margin: 0 auto;
            padding-top: 45px;
        }
        .icon_p{
            text-align: center;
        }
        .Import_name{
            text-align: center;
            font-size: 20px;
            font-weight: bold;
        }
        .import_tip{
            font-size: 16px;
            color: #999;
        }
        .whole p{
            margin-bottom: 1em;
        }
        .btn_p{
            text-align: center;
        }
        .upload-demo{
            display: inline-block;
            color: #fff;
            background-color: #1890ff;
            border-color: #1890ff;
            text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.12);
            box-shadow: 0 2px 0 rgba(0, 0, 0, 0.045);
            height: 32px;
            padding: 0 15px;
            font-size: 14px;
            border-radius: 2px;
        }
        .upload-demo:hover{
            color: #fff;
            background-color: #40a9ff;
            border-color: #40a9ff;
        }
        .downFile{
            display: inline-block;
            color: #1890ff !important;
            border: 1px solid #1890ff;
            margin-left: 30px;
            height: 32px;
            padding: 0 15px;
            font-size: 14px !important;
            border-radius: 2px;
            line-height: 30px !important;
        }
    </style>
    <div class="whole">
        <div class="icon_p">
            <img src="{$site.path}templates/{$site.theme}/static/img/import_icon.png" class="import_icon" />
        </div>
        <p class="Import_name">Excel批量导入会员信息</p>
        <p class="import_tip">第一步：下载Excel会员信息模板</p>
        <p class="import_tip">第二步：使用模板整理信息模板，点击"上传Excel"完成会员信息导入</p>
        <div class="btn_p">
            <input type="hidden" name="jyhlSystemImg" value=""/>
            <input class="upload-demo" type="button" id="fileh" value="上传Excel"  onclick="selectSystemImg(this)">
            <input type="file" name="excel" value="导入会员" id="file" style="display: none;"  onchange="selectSystemFile(this)"/>
            <a class="downFile" href="/upload/downexcel/圣水陵园导入会员模板.xlsx">下载模板</a>
        </div>
    </div>
<script>

    function selectSystemFile(_this) {
        var formData = new FormData();
        formData.append("file",$(_this)[0].files[0]);
        $.ajax({
            url:"{U(array('m'=>'member','c'=>'member','a'=>'upload'))}&t=file",
            type:'post',
            data: formData,
            contentType: false,
            processData: false,
            success:function(response){
                response=   JSON.parse(response);
                console.log('11111');
                console.log(response.message);

                $.ajax({
                    url:"{U(array('m'=>'member','c'=>'member','a'=>'import'))}",
                    type:'post',
                    data: {
                        file:response.message
                    },
                    success:function(response){
                        if(response.success==true){
                            msg.success(response.message);
                        }else{
                            msg.success(response.newmessage);
                            window.location.href=response.message;
                        }
                    }
                })



            }
        })
    }

    function selectSystemImg(_this) {
        $(_this).next().click();
    }

</script>