layui+php实现多文件上传(附代码)

<?phpheader("Access-Control-Allow-Origin: *"); //解决跨域header('Access-Control-Allow-Methods:post');// 响应类型date_default_timezone_set('PRC');//获取当前时间//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);

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<!DOCTYPE html><html> <head> <meta charset="utf-8"> <title></title> <!-- 兼容 --> <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0" /> <!-- 引入layui样式 --> <link rel="stylesheet" href=https://www.ym97.com/wenku/cssm"layui/css/layui.css"> <!-- 引入layui js --> <script src=https://www.ym97.com/wenku/cssm"layui/layui.js" type="text/javascript" charset="utf-8"></script> <!-- 引入jquery --> <script src=https://www.ym97.com/wenku/cssm"https:/cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script> <!-- 引入bootstrap样式 --> <link rel="stylesheet" href=https://www.ym97.com/wenku/cssm"bootstrap/css/bootstrap.css"> <!-- 引入bootstrap js --> <script src=https://www.ym97.com/wenku/cssm"bootstrap/js/bootstrap.js" type="text/javascript" charset="utf-8"></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="uploadId">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="show"></div> </blockquote> </div> <script type="text/javascript"> layui.use('upload', function() {var upload = layui.upload,$ = layui.jquery;var uploadInst = upload.render({elem: '#uploadId',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: '',before: function(obj) {//预读本地文件示例,不支持ie8obj.preview(function(index, file, result) {if ((file.type).indexOf("image") >= 0) {$('#show').append('<img src="' + result + '" alt="' + file.name +'" class="layui-upload-img" style="max-width:100%">')} else {$('#show').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>

PHP代码:
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layui+php实现多文件上传(附代码)Ngq码友部落