tp5使用layui实现多个图片上传的方法示例

发布时间：2021-11-13 14:54 所属栏目：121 来源：互联网

导读：tp5使用layui实现多个图片上传（带附件选择），如何加载layui在此不详细说明，有需要可以百度 html代码，主要处理都是在jq中，完成方法全部原创，也许不是最简单的，但也能实现效果 {include file=public/header /} body div class=x-nav span class=layui-br

tp5使用layui实现多个图片上传（带附件选择），如何加载layui在此不详细说明，有需要可以百度

html代码，主要处理都是在jq中，完成方法全部原创，也许不是最简单的，但也能实现效果
{include file="public/header" /}
<body>
<div class="x-nav">
      <span class="layui-breadcrumb">
        <a href="">首页</a>
        <a href="">多选图片列表</a>
        <a>
          <cite>添加多选图片</cite></a>
      </span>
  <a class="layui-btn layui-btn-small" style="line-height:1.6em;margin-top:3px;float:right" href="javascript:location.replace(location.href);" rel="external nofollow" title="刷新">
    <i class="layui-icon" style="line-height:30px">ဂ</i></a>
</div>
<div class="x-body">
  <div class="top" style="font-size: 14px">添加多选图片</div>
  <div style="width:100%;height: 5px;background-color: #077ee3;margin-top: 5px;margin-bottom: 20px"></div>

    <form action="" enctype="multipart/form-data" method="post" role="form" onSubmit="return check()">


      <div class="layui-upload">
        <button type="button" class="layui-btn" id="upload_img">多图片上传</button>
        <a class="layui-btn layui-btn-sm layui-btn-normal" onclick="selectImg('选择图片','{:url("selectImg")}','1000','600')" href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" >
        <i class="layui-icon">?</i>选择图片
        </a>
        <blockquote class="layui-elem-quote layui-quote-nm" style="margin-top: 10px;">
          预览图：
          <div class="layui-upload-list" id="demo2"></div>
        </blockquote>
      </div>

      <input name="url" class="imgInput" type="hidden">
      
        
      
    <div class="layui-form-item">
      <label for="" class="layui-form-label">
      </label>
      <button type="submit" class="layui-btn btnAdd" lay-filter="add" lay-submit="">
        增加
      </button>

    </div>
  </form>
</div>
<style>
  .imgInput{
    width: 600px;
    height: 35px;
  }
  .layui-form-label{
    font-size: 14px;
    width: 100px;
  }

  select{
    width: 500px;
  }
  #pre_img{
    display: none;
    padding: 5px;
    border: 1px solid #999;
  }
  #demo2{
    display: flex;
    display: -webkit-flex;
    /*justify-content: space-between;*/
    flex-direction: row;
    flex-wrap: wrap;
  }
  .img{
    width: 150px;
    height: 150px;
  }
  .btnAdd{
    margin-top: 40px;
  }
  .img_item{
    display: flex;
    flex-direction: column;
    text-align: center;
    margin-right: 20px;
    margin-bottom: 20px;
  }
  .delimg{
    text-align: center;
    line-height: 20px;
    width: 160px;
    height: 20px;
    background-color: red;
    color: white;
    margin-top: 5px;
  }
</style>

<script>
  function check(){
    $('input[name="url"]').val(urlList);
    var str = $('input[name="url"]').val();

    if(str ==''|| str==null || str=='undefined'){
      alert("请选择图片");
      return false;
    }

  }

  function selectImgGo($url,$urlWeb){
    var index = 0;
    if(urlList.length>0){
      index = urlList.length;
    }
      var img = $([
        '<div class="img_item">',
        '<div class="img" style="overflow:hidden;">',
        '<img src="'+ $urlWeb +'" alt="' + $url +'" class="layui-upload-img" style="max-width:150px;"></div>',
        '<div class="delimg" id="delimg" onclick=delImg("'+ index +'") href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" style="cursor:pointer ">删除</div></div>'
      ].join(''));
      $('#demo2').append(img);

    urlList.push($url);
    imgList.push($urlWeb);
  }
  var imgList = [];
  var urlList = [];
  layui.use(['upload','jquery'],function () {
    $ = layui.jquery;
    var upload = layui.upload;
    //多图片上传
    upload.render({
      elem: '#upload_img'
      ,url:"{:url('share/upload_img')}" //上传接口
      ,multiple: true
      ,before: function(obj){
        //预读本地文件示例，不支持ie8
        obj.preview(function(index, file, result){

        })
      }
      ,done: function(res){
        var index0 = 0;
        if(urlList.length>0){
          index0 = urlList.length;
        }
        var img0 = $([
          '<div class="img_item">',
          '<div class="img" style="overflow:hidden;">',
          '<img src="'+ res.msg +'" class="layui-upload-img" style="max-width:150px;"></div>',
          '<div class="delimg" id="delimg" onclick=delImg("'+ index0 +'") href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" style="cursor:pointer ">删除</div></div>'
        ].join(''));
        $('#demo2').append(img0);
        urlList.push(res.url);
        imgList.push(res.msg);
      }
      ,error: function(){
//        layer.close(layer.msg());//关闭上传提示窗口
        //请求异常回调
      }

    });
  });

  function delImg(index){
    urlList.splice(index,1);
    imgList.splice(index,1);
    $('#demo2').empty();
    for (var i=0;i<imgList.length;i++){
      var img0 = $([
        '<div class="img_item">',
        '<div class="img" style="overflow:hidden;">',
        '<img src="'+ imgList[i] +'" class="layui-upload-img" style="max-width:150px;"></div>',
        '<div class="delimg" id="delimg" onclick=delImg("'+ i +'") href="javascript:;" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" style="cursor:pointer ">删除</div></div>'
      ].join(''));
      $('#demo2').append(img0);
    }
  }

  /*选择图片*/
  function selectImg(title,url,w,h){
    x_admin_show(title,url,w,h);
  }
</script>
</body>
</html>
php代码

51
//php layui图片上传
   public function upload_img(){
       $file = request()->file('file'); // 获取上传的文件
       if($file==null){
           exit(json_encode(array('code'=>1,'msg'=>'未上传图片')));
       }else{
           //5、对上传文件做出条件限制（类型，大小等）
           $map = [
               'ext'=>'jpg,png,gif,jpeg',//后辍名
               'size'=>320000000,//最大3M
           ];
           //6、对上传的文件进行较验，如果合格就进行转移到预定设定好的public/uploads目录下
           //返回保存的文件信息info，包括文件名和大小等数据
           $info = $file->validate($map)->move(ROOT_PATH . 'public/uploads/img');
           //获取图片宽高
           list( $width , $height , $type , $attr ) = getimagesize ($info->getPathName());

           if(is_null($info)){
               $this->error($info->getError());
           }
           $img = str_replace('\\','/',$info->getSaveName());
           //保存附件
           $annexData['filesize'] = $info->getInfo()['size'];
           $annexData['mimetype'] = $info->getInfo()['type'];
           $annexData['filename'] = $info->getInfo()['name'];
           $annexData['imagewidth'] = $width;
           $annexData['imageheight'] = $height;
           $annexData['type'] = 'img';
           $annexData['url'] = $img;
           AAnnexModel::create($annexData);
           $img = constant("URL")."/uploads/img/".$img;
           exit(json_encode(array('code'=>0,'msg'=>$img,'url'=>$annexData['url'])));
       }

   }

//多选图片添加页面
   public function addImages(){
       if($this->request->isPost()){
           //2、获取提交过来的数据，最后true参数，表示连上传文件一起获取
           $data = $this->request->param(true);
           $res = AImagesModel::create($data);
           if(is_null($res)){
               $this->error('文件添加失败');
           }else{
               $this->success('文件添加成功...',url('imagesList'));
           }
           return;
       }
       return $this->fetch('images_add');
   }

（编辑：ASP站长网）