<body>
    <div id="wrapper">
        <header id="header"><a href="javascript:history.go(-1);" class="back"></a></header>
        <section class="container">
            <section id="addr" class="wrapper">
                <p>地址详情</p>
                <div class="content address"></div>
            </section>
            <section id="service-logs" class="wrapper">
                <p>维修日志</p>
                <div class="content">
                    <form method="POST" enctype="multipart/form-data" id="upload-form">
                        <input type="hidden" name="mac" class="mac" value="">
                        <textarea name="content" id="feedback" placeholder="写点什么..."></textarea>
                        <div class="upload-wrap upload-item">
                            <img src="./images/plus (1).png" alt="上传">
                            <input type="file" name="imageFile1" class="upload-btn" id="empty-upload">
                        </div>
                        <div class="c"></div>
                    </form>
                </div>
                <div class="tips"></div>
                <div class="btn-submit">提交</div>
                <div class="c"></div>
            </section>
        </section>        
    </div>
</body>


```javascript
  $(function(){
            //点击上传 显示缩略图并新增上传按钮
            var _index = 1;
            $(document).on("change",'.upload-btn', function(){
                _index++;
                var $this = $(this);
                var files = !!this.files ? this.files : [];
                if (!files.length || !window.FileReader) return;
                if (/^image/.test(files[0].type)){
                    var reader = new FileReader();
                    reader.readAsDataURL(files[0]);
                    reader.onloadend = function(){
                        $('.tips').hide();
                        $('.upload-item').addClass('inputfile_gardenmax')
                        var temp = '<div class="upload-wrap upload-item"><img src="./images/plus (1).png" alt="上传"><input type="file" name="imageFile'+ _index +'" class="upload-btn"></div>';
                        $this.parent('.upload-wrap').after(temp);
                        var tmp = '<b class="closeimg jq_closeimg"><img src="./images/close-circle-fill.png" alt=""></b><img src="'+this.result+'" alt="">';
                        $this.before(tmp)
                        //删除上传预览图
                        $(".jq_closeimg").on("click", function(){
                            $(this).parents('.upload-wrap').remove();
                        })
                    }
                }
            });
            //获取mac值并显示在地址详情中
            var mac = getP('mac')
            $('.mac').val(mac)
            $.ajax({
                url :'',
                type:"POST",
                crossDomain: true,
                dataType:"json",
                data : {
                    mac: mac
                },
                success: function(res){
                    var _mac = res.others.province+res.others.city+res.others.county+res.build+res.unit+res.room;
                    $('.address').html(_mac)  
                    $('#header').append(res.others.codeNmae)            
                }
            })
            //提交按钮触发事件
            $('.btn-submit').on('click', function(){
                //提交时判断空input上传框(最后一个空input删除避免后台接受FormData错误,上传图片为0张提示信息至少上传一张)
                var _l = $('.upload-btn').parents('.upload-item').siblings('.inputfile_gardenmax').length;
                if( _l !== 0){
                    $('#upload-form div').last().prev().remove();
                }else{
                    $('.tips').html('至少上传一张图片').show();
                    return false;
                }
                //实例化FormData 表单数据
                var fd = new FormData($('#upload-form')[0]);
                $.ajax({
                    url: '',
                    type: 'post',
                    data: fd,
                    processData: false,
                    contentType: false,
                    success: function(res){
                        window.location.href = ''
                    },
                    error: function(e){
                        alert('error')
                    }
                })
            })
        })
        //获取url参数
        function getP(n) {
            var hrefstr, pos, parastr, para, tempstr;
            hrefstr = window.location.href;
            pos = hrefstr.indexOf("?");
            parastr = hrefstr.substring(pos + 1);
            para = parastr.split("&");
            tempstr = "";
            for (var i = 0; i < para.length; i++) {
                tempstr = para[i];
                pos = tempstr.indexOf("=");
                if (tempstr.substring(0, pos).toLowerCase() == n.toLowerCase()) {
                    return tempstr.substring(pos + 1);
                }
            }
            return '';
        }