tp5使用layui实现多个图片上传(带附件选择)的方法实例

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>

<form action="" 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>

<input name="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 +'" alt="' + $url +'" 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ie8

obj.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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