php layui实现前端多图上传实例

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>

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>

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 ($na10){

      $name=$num.'-000'.$na;

    }elseif($na100){

      $name=$num.'-00'.$na;

    }elseif($na1000){

      $name=$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));

    }

  }