php layui实现前端多图上传实例

时间:2022-07-27
本文章向大家介绍php layui实现前端多图上传实例,主要内容包括其使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。

php结合layui前端实现多图上传

前端html代码

<div class="layui-upload" 

  <button type="button" class="layui-btn layui-btn-normal" id="testList" 请选择图片</button 

  <span class="num_pic" </span 

  <div class="layui-upload-list" 

    <table class="layui-table" 

      <thead 

        <tr 

          <th 文件名</th 

          <th id="pic" 图片预览</th 

          <th 大小</th 

          <th 状态</th 

          <th id="cao" 操作</th 

        </tr 

      </thead 

      <tbody id="demoList" </tbody 

    </table 

  </div 

  <button type="button" class="layui-btn" id="testListAction" 开始上传</button 

    <span class="num_pic" </span 

</div 

js 代码

<script type="text/javascript" 
layui.use('upload', function() {
var $ = layui.jquery,
upload = layui.upload;
//多文件列表示例
var demoListView = $('#demoList'),
uploadListIns = upload.render({
elem: '#testList',
url: "{url('pic/index/upload')}",
accept: 'images',
acceptMime: 'image/*',
size: 8192,
multiple: true,
number: 400,
auto: false,
exts: 'jpg|png|jpeg',
bindAction: '#testListAction',
choose: function(obj) {
var files = this.files = obj.pushFile(); //将每次选择的文件追加到文件队列
//读取本地文件
obj.preview(function(index, file, result) {
var tr = $(['<tr id="upload-' + index + '" ', '<td ' + file.name + '</td ', '<td <img src="' + result + '" alt="' + file.name + '" style="width: 100px;height: 40px;" </td ', '<td ' + (file.size / 1014).toFixed(1) + 'kb</td ', '<td 等待上传</td ', '<td ', '<button class="layui-btn layui-btn-xs demo-reload layui-hide" 重传</button ', '<button class="layui-btn layui-btn-xs layui-btn-danger demo-delete" 删除</button ', '</td ', '</tr '].join(''));
//单个重传
tr.find('.demo-reload').on('click', function() {
obj.upload(index, file);
$("#upload-" + index).find("td").eq(2).html((file.size / 1014).toFixed(1) + 'kb');
});
//删除
tr.find('.demo-delete').on('click', function() {
delete files[index]; //删除对应的文件
tr.remove();
uploadListIns.config.elem.next()[0].value = ''; //清空 input file 值,以免删除后出现同名文件不可选
});
demoListView.append(tr);
$(".num_pic").text("总共【" + demoListView.find("tr").length + "】张图片");
});
},
done: function(res, index, upload) {
if(res.code == 0) { //上传成功
$("#cao").text("地址");
var tr = demoListView.find('tr#upload-' + index),
tds = tr.children();
tds.eq(3).html('<span style="color: #5FB878;" 上传成功</span ');
tds.eq(4).html('<input type="text" name="imgs[]" value="' + res.file + '" class="layui-input" / '); //清空操作
return delete this.files[index]; //删除文件队列已经上传成功的文件
}
this.error(index, upload);
},
allDone: function(obj) { //当文件全部被提交后,才触发
layer.msg("上传文件数量:【" + obj.total + "】张,上传成功:【" + obj.successful + "】张,失败:【" + obj.aborted + "】", {
time: 3000
});
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(index, upload) {
var tr = demoListView.find('tr#upload-' + index),
tds = tr.children();
tds.eq(2).html('<span style="color: #FF5722;" 上传失败</span ');
tds.eq(4).find('.demo-reload').removeClass('layui-hide'); //显示重传
}
});
});
</script 

后端代码

public function uploadAction(){
$file=$_FILES['file'];
$root_url = 'uploadfiles/pic/image/';
if (!is_uploaded_file($file['tmp_name'])){
$data = array('code'= 1,'msg'= "错误");
exit(json_encode($data,0));
}
/* $root_url.=date('Ymd').'/';*/
$ext = pathinfo($file['name']);
$num=makenum($this- memberinfo['id']);
$root_url.=$num.'/';
if (!is_dir($root_url)) {
mkdir($root_url,0777, true);
}
$pa=file_list::get_file_list($root_url);
$na=count($pa) + 1;
if ($na<10){
$name=$num.'-000'.$na;
}elseif($na<100){
$name=$num.'-00'.$na;
}elseif($na<1000){
$name=$num.'-0'.$na;
}else{
$name=$num.'-'.$na;
}
$n=$root_url.$name.".".$ext['extension'];
$result=move_uploaded_file($file['tmp_name'],$n);
if ($result){
exit(json_encode(array("code"= 0,"msg"= "ok","file"= $n,"size"= $file['size']),0));
}else{
exit(json_encode(array("code"= 1,"msg"= "false","file"= $n,"size"= $file['size']),0));
}
}

上传效果: