Layui + PHP 多文件上傳Demo,歡迎指正
效果:
前端部分:
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Layui 多文件上傳實例</title>
<link rel="stylesheet" href="layui/css/layui.css" media="all">
<script type="text/javascript" src="layui/layui.js"></script>
</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">選擇上傳文件</button>
<div class="layui-inline layui-word-aux">
</div>
<blockquote class="layui-elem-quote layui-quote-nm" style="margin-top: 10px;">
預覽圖:
<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',//指定允許上傳時校驗的文件類型,可選值有:images(圖片)、file(所有文件)、video(視頻)、audio(音頻)
multiple : 'true',
url : 'http://127.0.0.1/up.php',
before: function(obj){
//預讀本地文件示例,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){ //當文件全部被提交後,才觸發
$('.layui-word-aux').append("執行完畢,文件總數:"+obj.total+"成功:"+obj.successful+"個,失敗:"+obj.aborted+"個");
console.log(obj.total); //得到總文件數
console.log(obj.successful); //請求成功的文件數
console.log(obj.aborted); //請求失敗的文件數
},
error : function(){
//請求異常
}
});
});
</script>
</body>
</html>
PHP接口
<?php
//上傳文件目錄獲取
$month = date('Ym',time());
define('BASE_PATH',str_replace('\\','/',realpath(dirname(__FILE__).'/'))."/");
$dir = BASE_PATH."upload/".$month."/";
//初始化返回數組
$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))//判斷目錄是否存在
{
mkdir ($dir,0777,true);//如果目錄不存在則創建目錄
};
$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'] ="上傳成功";
}else{
$arr['msg'] = "上傳失敗";
}
}else{
switch($file_error){
case 1:
$arr['msg'] ='上傳文件超過了PHP配置文件中upload_max_filesize選項的值';
break;
case 2:
$arr['msg'] ='超過了表單max_file_size限制的大小';
break;
case 3:
$arr['msg'] ='文件部分被上傳';
break;
case 4:
$arr['msg'] ='沒有選擇上傳文件';
break;
case 6:
$arr['msg'] ='沒有找到臨時文件';
break;
case 7:
case 8:
$arr['msg'] = '系統錯誤';
break;
}
}
}
else
{
$arr['code'] ="1";
$arr['msg'] = "當前目錄中,文件".$file."已存在";
}
echo json_encode($arr);
?>