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随机文件名上传

This commit is contained in:
shuzheng 2017-05-16 10:59:33 +08:00
parent 14237cb56b
commit 3c3f234360
1 changed files with 43 additions and 4 deletions
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47
zheng-ui/zheng-oss-web/aliyun/upload.html
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@ -5,15 +5,54 @@
<title>zheng-oss-web AliyunOSS demo</title>
</head>
<body>
<form action="" th:action="${policy.action}" method="post" enctype="multipart/form-data">
<p>key : <input type="text" name="key" th:value="${policy.dir + '/${filename}'}"/></p>
<input id="dir" type="hidden" name="dir" th:value="${policy.dir}"/>
<form id="form" th:action="${policy.action}" method="post" enctype="multipart/form-data">
<p>key : <input id="key" type="text" name="key"/></p>
<p>policy : <input type="text" name="policy" th:value="${policy.policy}"/></p>
<p>OSSAccessKeyId : <input type="text" name="OSSAccessKeyId" th:value="${policy.OSSAccessKeyId}"/></p>
<p>success_action_status : <input type="text" name="success_action_status" value="200"/></p>
<p>callback : <input type="text" name="callback" th:value="${policy.callback}"/></p>
<p>signature : <input type="text" name="signature" th:value="${policy.signature}"/></p>
<p>file : <input type="file" name="file"/></p>
<p><input type="submit" value="上传"/></p>
<p>file : <input id="file" type="file" name="file"/></p>
<p><input id="submit" type="submit" value="上传"/></p>
</form>
<script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
<script>
$(function() {
// 选择文件后，随机文件名
$('#file').change(function() {
var suffix = get_suffix($(this).val());
var random_name = random_string();
$('#key').val($('#dir').val() + '/' + random_name + suffix);
});
// 提交校验
$('#form').submit(function() {
if ($('#key').val() == '') {
return false;
}
});
});
// 根据路径获取后缀
function get_suffix(filename) {
var pos = filename.lastIndexOf('.');
var suffix = '';
if (pos != -1) {
suffix = filename.substring(pos);
}
return suffix;
}
// 随机字符串
function random_string(len) {
len = len || 32;
var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
var maxPos = chars.length;
var pwd = '';
for (i = 0; i < len; i++) {
pwd += chars.charAt(Math.floor(Math.random() * maxPos));
}
return pwd;
}
</script>
</body>
</html>