Layui + PHP 多文件上传Demo,欢迎指正


上传后的图片

上传样式

index.html代码

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
	<title>Layui 多文件上传实例</title>
	<link rel="stylesheet" href="layui/css/layui.css" media="all">
	<script type="text/javascript" src="layui/layui.js"></script>
	<style>
	img {
	    border: none;
	    height: 100px;
	    width: 100px;
	    float: left;
	    padding-left: 10px;
	}
	.layui-upload-list {
	    margin: 10px 0;
	    width: 100%;
	    height: 100px;
	}
	</style>
</head>
<body>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 30px;">
  <legend>多文件</legend>
</fieldset>
 
<div class="layui-upload">
  <button type="button" class="layui-btn" id="test2">选择上传文件</button> 
  <div class="layui-inline layui-word-aux">
</div>
  <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>
<script type="text/javascript">
layui.use('upload', function (){
  var upload = layui.upload,
    $ = layui.jquery;
var uploadInst = upload.render({
  elem : '#test2',
  accept : 'file',//指定允许上传时校验的文件类型,可选值有:images(图片)、file(所有文件)、video(视频)、audio(音频)
  multiple : 'true',
  url : 'index.php',
  before: function(obj){
      //预读本地文件示例,不支持ie8
      obj.preview(function(index, file, result){
        if((file.type).indexOf("image") >= 0 ){
$('#demo2').append('<img src="'+ result +'" alt="'+ file.name +'" class="layui-upload-img" style="max-width:100%">')
}else{
 $('#demo2').append(file.name)
}
        console.log(file);
        
      });
    },
  done : function(res){
 
     layer.msg(res.msg,{time:'5000',tipsMore: true,zIndex:'2'}); 
    
  },
  allDone: function(obj){ //当文件全部被提交后,才触发
   $('.layui-word-aux').append("执行完毕,文件总数:"+obj.total+"成功:"+obj.successful+"个,失败:"+obj.aborted+"个");
    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(){
    
    //请求异常
  }
 
});
});
</script>
</body>
</html>

index.php代码

<?php
 
//上传文件目录获取
$month = date('Ym',time());
define('BASE_PATH',str_replace('\\','/',realpath(dirname(__FILE__).'/'))."/");
$dir = BASE_PATH."upload/".$month."/";
 
//初始化返回数组
$arr = array(
'code' => 0,
'msg'=> '',
'data' =>array(
     'src' => $dir . $_FILES["file"]["name"]
     ),
);
 
$file_info = $_FILES['file'];
 $file_error = $file_info['error'];
if(!is_dir($dir))//判断目录是否存在
{
    mkdir ($dir,0777,true);//如果目录不存在则创建目录
};
$file = $dir.$_FILES["file"]["name"];
if(!file_exists($file))
{
if($file_error == 0){
        if(move_uploaded_file($_FILES["file"]["tmp_name"],$dir. $_FILES["file"]["name"])){
           $arr['msg'] ="上传成功";
        }else{
           $arr['msg'] = "上传失败";
        }
    }else{
        switch($file_error){
            case 1:
           $arr['msg'] ='上传文件超过了PHP配置文件中upload_max_filesize选项的值';
                break;
            case 2:
              $arr['msg'] ='超过了表单max_file_size限制的大小';
                break;
            case 3:
               $arr['msg'] ='文件部分被上传';
                break;
            case 4:
              $arr['msg'] ='没有选择上传文件';
                break;
            case 6:
                $arr['msg'] ='没有找到临时文件';
                break;
            case 7:
            case 8:
               $arr['msg'] = '系统错误';
                break;
        }
    }
}
else
{
	 $arr['code'] ="1"; 
    $arr['msg'] = "当前目录中,文件".$file."已存在";
}
 
  echo json_encode($arr);
 
 
?>

上传路径之类的可以自己的喜好自行修改