index.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="stylesheet" type="text/css" href="https://www.layuicdn.com/layui-v2.8.0/css/layui.css" />
<title></title>
</head>
<body>
<input type='button' id='selectFile' value='选择文件'>
<div id='fileDiv'></div>
<input type='button' id='uploadFile' value='上传文件'>
<div id="showpic"></div>
<script src="http://code.jquery.com/jquery-2.1.1.min.js"></script>
<script src="https://www.layuicdn.com/layui-v2.8.0/layui.js"></script>
<script type="text/javascript">
$(function(){
initUpload();
});
//初始化上传组件
function initUpload(){
layui.use(['form', 'jquery', 'layer', 'upload'], function() {
var $ = layui.jquery,
form = layui.form,
layer = layui.layer,
upload = layui.upload;
//单文件上传
upload.render({
elem: '#selectFile',
url: "/index/ceshi/image",
accept: 'file',
multiple: false,
auto: false,
size: 50 * 1024,//单位kb
bindAction: '#uploadFile',
choose: function (obj) {
console.log(obj)
obj.preview(function (index, file, result) {
$("#fileDiv").val(file.name);
});
},
done: function (res, index, upload) {
console.log(res)
if (res.status == 200) { //上传成功
$("#showpic").html("<img src="+res.path+" />");
alert("上传成功");
}
else {
alert("上传失败！");
}
},
error: function (index, upload) {
alert("上传失败！");
}
});
});
}
</script>
</body>
</html>
Thinkphp5控制器
/**图片上传*/
public function image(){
$file = request()->file('file');
// 移动到框架应用根目录/uploads/ 目录下
try{
// 验证
validate(['imgFile'=>[
'fileSize' => 410241024,
'fileExt' => 'jpg,jpeg,png,bmp,gif',
'fileMime' => 'image/jpeg,image/png,image/gif', //这个一定要加上，很重要我认为！
]])->check(['imgFile' => $file]);
// 上传图片到本地服务器
$saveName = \think\facade\Filesystem::disk('public')->putFile('',$file);
$arr = ['status' => 200, 'msg' => '成功', 'path' => '/upload/'. $saveName];
return json($arr);
} catch (\Exception $e) {
// 验证失败 输出错误信息
return $this->exceptionHandle($e,'图片上传失败!' . $e->getMessage(),'json','');
}
}