php结合layui前端实现多图上传

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php结合layui前端实现多图上传

前端html代码

<div class="layui-upload">
    <button type="button" class="layui-btn layui-btn-normal" id="testList">请选择图片</button>
    <span class="num_pic"></span>
    <div class="layui-upload-list">
        <table class="layui-table">
            <thead>
                <tr>
                    <th>文件名</th>
                    <th id="pic">图片预览</th>
                    <th>大小</th>
                    <th>状态</th>
                    <th id="cao">操作</th>
                </tr>
            </thead>
            <tbody id="demoList"></tbody>
        </table>
    </div>
    <button type="button" class="layui-btn" id="testListAction">开始上传</button>
        <span class="num_pic"></span>
</div>

js 代码

<script type="text/javascript">
    layui.use('upload', function() {
        var $ = layui.jquery,
            upload = layui.upload;
        //多文件列表示例
        var demoListView = $('#demoList'),
            uploadListIns = upload.render({
                elem: '#testList',
                url: "{url('pic/index/upload')}",
                accept: 'images',
                acceptMime: 'image/*',
                size: 8192,
                multiple: true,
                number: 400,
                auto: false,
                exts: 'jpg|png|jpeg',
                bindAction: '#testListAction',
                choose: function(obj) {
                    var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
                    //读取本地文件
                    obj.preview(function(index, file, result) {
                        var tr = $(['<tr id="upload-' + index + '">', '<td>' + file.name + '</td>', '<td><img src="' + result + '" alt="' + file.name + '" style="width: 100px;height: 40px;"></td>', '<td>' + (file.size / 1014).toFixed(1) + 'kb</td>', '<td>等待上传</td>', '<td>', '<button class="layui-btn layui-btn-xs demo-reload layui-hide">重传</button>', '<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete">删除</button>', '</td>', '</tr>'].join(''));
                        //单个重传
                        tr.find('.demo-reload').on('click', function() {
                            obj.upload(index, file);
                            $("#upload-" + index).find("td").eq(2).html((file.size / 1014).toFixed(1) + 'kb');
                        });
                        //删除
                        tr.find('.demo-delete').on('click', function() {
                            delete files[index]; //删除对应的文件
                            tr.remove();
                            uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值,以免删除后出现同名文件不可选
                        });
                        demoListView.append(tr);
                        $(".num_pic").text("总共【" + demoListView.find("tr").length + "】张图片");
                    });
                },
                done: function(res, index, upload) {
                    if(res.code == 0) { //上传成功
                        $("#cao").text("地址");
                        var tr = demoListView.find('tr#upload-' + index),
                            tds = tr.children();
                        tds.eq(3).html('<span style="color: #5FB878;">上传成功</span>');
                        tds.eq(4).html('<input type="text" name="imgs[]"  value="' + res.file + '" class="layui-input" />'); //清空操作
                        return delete this.files[index]; //删除文件队列已经上传成功的文件
                    }
                    this.error(index, upload);
                },
                allDone: function(obj) { //当文件全部被提交后,才触发
                    layer.msg("上传文件数量:【" + obj.total + "】张,上传成功:【" + obj.successful + "】张,失败:【" + obj.aborted + "】", {
                        time: 3000
                    });
                    console.log(obj.total); //得到总文件数
                    console.log(obj.successful); //请求成功的文件数
                    console.log(obj.aborted); //请求失败的文件数
                },
                error: function(index, upload) {
                    var tr = demoListView.find('tr#upload-' + index),
                        tds = tr.children();
                    tds.eq(2).html('<span style="color: #FF5722;">上传失败</span>');
                    tds.eq(4).find('.demo-reload').removeClass('layui-hide'); //显示重传
                }
            });
    });
</script>

后端代码

public function uploadAction(){
        $file=$_FILES['file'];
        $root_url =  'uploadfiles/pic/image/';
        if (!is_uploaded_file($file['tmp_name'])){
            $data = array('code'=>1,'msg'=>"错误");
            exit(json_encode($data,0));
        }
      /*  $root_url.=date('Ymd').'/';*/
        $ext = pathinfo($file['name']);
        $num=makenum($this->memberinfo['id']);
        $root_url.=$num.'/';
        if (!is_dir($root_url)) {
            mkdir($root_url,0777, true);
        }
        $pa=file_list::get_file_list($root_url);
        $na=count($pa) + 1;
        if ($na<10){
            $name=$num.'-000'.$na;
        }elseif($na<100){
            $name=$num.'-00'.$na;
        }elseif($na<1000){
            $name=$num.'-0'.$na;
        }else{
            $name=$num.'-'.$na;
        }
        $n=$root_url.$name.".".$ext['extension'];
        $result=move_uploaded_file($file['tmp_name'],$n);
        if ($result){
            exit(json_encode(array("code"=>0,"msg"=>"ok","file"=>$n,"size"=>$file['size']),0));
        }else{
            exit(json_encode(array("code"=>1,"msg"=>"false","file"=>$n,"size"=>$file['size']),0));
        }
    }

上传效果:

ebe7c5dc6ebd3d0b0c2ddffc893d9b4.png4d4c8482faea247d6ca810cd61fd979.png

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