学习web前端技术的笔记,仅供自己查阅备忘,图片上传预览

时间:2023-03-09 09:26:49
学习web前端技术的笔记,仅供自己查阅备忘,图片上传预览
<!DOCTYPE html>
<html>
<head lang="en">
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="Cache-Control" content="no-store, must-revalidate">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="format-detection" content="telephone=no">
<title>微笑天使</title>
<link rel="stylesheet" href="css/public.css"/>
<script src="js/jquery-1.11.2.min.js"></script>
</head>
<body>
<div class="content wrapper">
<div class="page-top">
<img src="data:images/bg_01.jpg" />
</div>
<div class="page-cnt">
<img src="data:images/title_02.jpg" />
<div class="page-box">
<img src="data:images/img_01.jpg" />
</div> <img src="data:images/title_03.jpg" />
<div class="formbox page-box">
<form action="" method="post" class="formbox-form" >
<ul>
<li>
<span>姓&nbsp;&nbsp;&nbsp;&nbsp;名</span>
<input type="text" name="name" class="bb-name" />
</li>
<li>
<span>所属银行</span>
<input type="text" name="bank" class="bb-bank" />
</li>
<li>
<span>上传照片</span>
<span class="file">
点击上传
<input type="file" name="picture" accept="image/*" class="bb-pic" />
</span>
</li>
<li class="picshow hide">
<img src="data:images/title_01.jpg" />
</li>
<li>
<input type="button" class="post-btn" value="提交信息" />
</li>
</ul>
</form>
</div>
</div>
</div>
</body>
<script>
window.getUrl=(function(){
try{
return window.URL.createObjectURL
}catch(e){
try{
return window.webkitURL.createObjectURL
}catch (e){
return function(){return '';};
}
}
})();
  //预览
$(function(){
$('.bb-pic').on('change',function(){
var _file=this.files[0];
var _src = getUrl(_file);
$('.picshow img').attr('src',_src);
$('.picshow img')[0].onload=function(){
$('.picshow').slideDown();
};
}); $('.post-btn').on('click',function(){
var _name=$('.bb-name').val();
var _bank=$('.bb-bank').val();
var _pic =$('.bb-pic').val();
if(_name==""){alert('请填写姓名');return false;}
if(_bank==""){alert('请填写所属银行');return false;}
if(_pic==""){alert('请选择照片');return false;}
$('.formbox-form').submit();
});
})
</script>
</html>