效果:
HTML代码:
<!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="layui/css/layui.css"> <!-- 引入layui js --> <script src="layui/layui.js" type="text/javascript" charset="utf-8"></script> <!-- 引入jquery --> <script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"></script> <!-- 引入bootstrap样式 --> <link rel="stylesheet" href="bootstrap/css/bootstrap.css"> <!-- 引入bootstrap js --> <script src="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: 'http://localhost/guanwnag/php/up.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) { $('#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:
<?php header("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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