php结合layui前端实现多图上传

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：

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