tp5使用layui实现多个图片上传(带附件选择)的方法实例

时间：2023-08-29 09:14:11 编辑：袖梨来源：一聚教程网

在以前项目中遇到有上传图片都是用 web Uploader插件上传,因为我现在项目都在使用 layui 所以今天趁着有时间写一个tp5结合layui上传图片的示例，感兴趣的可以了解一下

tp5使用layui实现多个图片上传（带附件选择），如何加载layui在此不详细说明，有需要可以百度

html代码，主要处理都是在jq中，完成方法全部原创，也许不是最简单的，但也能实现效果

{include file="public/header" /}<body><div class="x-nav"><span class="layui-breadcrumb"><a href="">首页</a><a href="">多选图片列表</a><a><cite>添加多选图片</cite></a></span><a class="layui-btn layui-btn-small" style="line-height:1.6em;margin-top:3px;float:right" href="javascript:location.replace(location.href);" rel="external nofollow"title="刷新"><i class="layui-icon" style="line-height:30px">ဂ</i></a></div><div class="x-body"><div class="top" style="font-size: 14px">添加多选图片</div><div style="width:100%;height: 5px;background-color: #077ee3;margin-top: 5px;margin-bottom: 20px"></div> <formaction="" enctype="multipart/form-data" method="post" role="form" onSubmit="return check()"><div class="layui-upload"><button type="button" class="layui-btn" id="upload_img">多图片上传</button><a class="layui-btn layui-btn-sm layui-btn-normal" onclick="selectImg('选择图片','{:url("selectImg")}','1000','600')" href="javascript:;" rel="external nofollow"rel="external nofollow"rel="external nofollow"rel="external nofollow" ><i class="layui-icon">&#xe60a;</i>选择图片</a><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> <inputname="url" class="imgInput" type="hidden"><!--<button type="button"class="layui-btn" onclick="test()">--><!--测试--><!--</button>--><div class="layui-form-item"><label for="" class="layui-form-label"></label><button type="submit" class="layui-btn btnAdd" lay-filter="add" lay-submit="">增加</button> </div></form></div><style>.imgInput{width: 600px;height: 35px;}.layui-form-label{font-size: 14px;width: 100px;} select{width: 500px;}#pre_img{display: none;padding: 5px;border: 1px solid #999;}#demo2{display: flex;display: -webkit-flex;/*justify-content: space-between;*/flex-direction: row;flex-wrap: wrap;}.img{width: 150px;height: 150px;}.btnAdd{margin-top: 40px;}.img_item{display: flex;flex-direction: column;text-align: center;margin-right: 20px;margin-bottom: 20px;}.delimg{text-align: center;line-height: 20px;width: 160px;height: 20px;background-color: red;color: white;margin-top: 5px;}</style> <script>function check(){$('input[name="url"]').val(urlList);var str = $('input[name="url"]').val(); if(str ==''|| str==null || str=='undefined'){alert("请选择图片");return false;} } function selectImgGo($url,$urlWeb){var index = 0;if(urlList.length>0){index = urlList.length;}var img = $(['<div class="img_item">','<div class="img" style="overflow:hidden;">','<img src="'+ $urlWeb +'"class="layui-upload-img" style="max-width:150px;"></div>','<div class="delimg" id="delimg" onclick=delImg("'+ index +'")href="javascript:;" rel="external nofollow"rel="external nofollow"rel="external nofollow"rel="external nofollow"style="cursor:pointer ">删除</div></div>'].join(''));$('#demo2').append(img); urlList.push($url);imgList.push($urlWeb);}var imgList = [];var urlList = [];layui.use(['upload','jquery'],function () {$ = layui.jquery;var upload = layui.upload;//多图片上传upload.render({elem: '#upload_img',url:"{:url('share/upload_img')}" //上传接口,multiple: true,before: function(obj){//预读本地文件示例，不支持ie8obj.preview(function(index, file, result){ })},done: function(res){var index0 = 0;if(urlList.length>0){index0 = urlList.length;}var img0 = $(['<div class="img_item">','<div class="img" style="overflow:hidden;">','<img src="'+ res.msg +'"class="layui-upload-img" style="max-width:150px;"></div>','<div class="delimg" id="delimg" onclick=delImg("'+ index0 +'")href="javascript:;" rel="external nofollow"rel="external nofollow"rel="external nofollow"rel="external nofollow"style="cursor:pointer ">删除</div></div>'].join(''));$('#demo2').append(img0);urlList.push(res.url);imgList.push(res.msg);},error: function(){//layer.close(layer.msg());//关闭上传提示窗口//请求异常回调} });}); function delImg(index){urlList.splice(index,1);imgList.splice(index,1);$('#demo2').empty();for (var i=0;i<imgList.length;i++){var img0 = $(['<div class="img_item">','<div class="img" style="overflow:hidden;">','<img src="'+ imgList[i] +'"class="layui-upload-img" style="max-width:150px;"></div>','<div class="delimg" id="delimg" onclick=delImg("'+ i +'")href="javascript:;" rel="external nofollow"rel="external nofollow"rel="external nofollow"rel="external nofollow"style="cursor:pointer ">删除</div></div>'].join(''));$('#demo2').append(img0);}} /*选择图片*/function selectImg(title,url,w,h){x_admin_show(title,url,w,h);} </script></body> </html>

php代码

//php layui图片上传public function upload_img(){$file = request()->file('file'); // 获取上传的文件if($file==null){exit(json_encode(array('code'=>1,'msg'=>'未上传图片')));}else{//5、对上传文件做出条件限制（类型，大小等）$map = ['ext'=>'jpg,png,gif,jpeg',//后辍名'size'=>320000000,//最大3M];//6、对上传的文件进行较验，如果合格就进行转移到预定设定好的public/uploads目录下//返回保存的文件信息info，包括文件名和大小等数据$info = $file->validate($map)->move(ROOT_PATH . 'public/uploads/img');//获取图片宽高list( $width , $height , $type , $attr ) = getimagesize ($info->getPathName()); if(is_null($info)){$this->error($info->getError());}$img = str_replace('\','/',$info->getSaveName());//保存附件$annexData['filesize'] = $info->getInfo()['size'];$annexData['mimetype'] = $info->getInfo()['type'];$annexData['filename'] = $info->getInfo()['name'];$annexData['imagewidth'] = $width;$annexData['imageheight'] = $height;$annexData['type'] = 'img';$annexData['url'] = $img;AAnnexModel::create($annexData);$img = constant("URL")."/uploads/img/".$img;exit(json_encode(array('code'=>0,'msg'=>$img,'url'=>$annexData['url'])));} }//多选图片添加页面public function addImages(){if($this->request->isPost()){//2、获取提交过来的数据，最后true参数，表示连上传文件一起获取$data = $this->request->param(true);$res = AImagesModel::create($data);if(is_null($res)){$this->error('文件添加失败');}else{$this->success('文件添加成功...',url('imagesList'));}return;}return $this->fetch('images_add');}

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