php点击链接直接下载文件写法
down.php
<?php
$file = "avater.jpg"; //计算机上的一个文件
$fileName = basename($file); //获取文件名
header("Content-Type:application/octet-stream"); //告诉浏览器文档类型(mime类型); octet-stream指的是二进制文件类型;下载任何类型的文件都可以这么指定
header("Content-Disposition:attachment;filename=".$fileName); //告诉浏览器以附件方式对待文件(即下载文件);并设置下载后的文件名
header("Accept-ranges:bytes"); //告诉浏览器文件大小的单位
header("Accept-Length:".filesize($file)); //告诉浏览器文件的大小
$h = fopen($file, 'r'); //打开文件
echo fread($h, filesize($file));
index.html
<!DOCTYPE html>
<html >
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
<title>Bootstrap 101 Template</title>
<!-- Bootstrap -->
<link rel="stylesheet" href="https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u"
crossorigin="anonymous">
<script>
</script>
<style>
.fade-enter-active,
.fade-leave-active {
transition: opacity .5s
}
.fade-enter,
.fade-leave-to
/* .fade-leave-active in below version 2.1.8 */
{
opacity: 0
}
</style>
</head>
<body >
<h1 class="text-center">测试用</h1>
<div >
<div v-show="1" class="panel panel-default" v-for="permission in permissions">
<div class="panel-heading">
<h3 class="panel-title" v-bind:data->面板标题</h3>
</div>
<div class="panel-body" v-show="0">
<div>
hehe
</div>
</div>
</div>
姓名:<input type="text"><br/> 年龄:
<input type="text"> 下载文件:
<button @click="download" type="button">ajax下载文件</button>
<a href="download.php">直接链接下载文件</a> </div>
<script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
<script src="/laydate/laydate.js"></script>
<script src="vue.js"></script>
<script src="https://cdn.bootcss.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa"
crossorigin="anonymous"></script>
</body>
</html>
<script>
laydate.render({
elem:'#start_time' //指定元素
});
laydate.render({
elem:'#end_time' //指定元素
});
var app = new Vue({
el:'#app',
data:{
permissions:[{'name':'zxj'},{'name':'shepeng'},{'name':'zhangqiang'},{'name':'jiachang'}],
show:[],
},
methods:{
changeShow:function (event) {
// console.log(event.target.dataset.id);
// event.target.dataset.id = !event.target.dataset.id;
console.log(event.target.appendChild(para));
},
download:function (e) {
$.ajax({
type:'post',
url:'download.php',
data:{
name:e.target.innerHTML
},
dataType:'json',
success:function (res) {
console.log(res);
alert(res.name);
}
});
}
}
});
</script>