ajaxFileUpload下载地址
地址：http://pan.baidu.com/s/1mgJypz6
html页面
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<title>Untitled</title>
<script src="jquery-1.7.1.js"></script>
<script src="ajaxfileupload.js"></script>
<script type="text/javascript">
$(function () {
$(":button").click(function () {
ajaxFileUpload();
})
})
function ajaxFileUpload() {
$.ajaxFileUpload
(
{
url: '/dsideal_yy/rating/test', //用于文件上传的服务器端请求地址
fileElementId: 'file1', //文件上传空间的id属性 <input type="file" id="file" name="file" />
dataType: 'json', //返回值类型 一般设置为json
success: function (data) //服务器成功响应处理函数
{
alert(data.msg);
}
}
)
return false;
}
</script>
</head>
<body>
<body>
<p><input type="file" id="file1" name="file" /></p>
<input type="button" value="上传" />
</body>
</html>
lua代码
local upload = require "resty.upload"
local uuid = require "resty.uuid"; local chunk_size =
local form = upload:new(chunk_size)
local file --获取文件名
function get_filename(res)
local filename = ngx.re.match(res,'(.+)filename="(.+)"(.*)')
if filename then
return filename[]
end
end --获取文件扩展名
function getExtension(str)
return str:match(".+%.(%w+)$")
end while true do
local typ, res, err = form:read()
if not typ then
ngx.say("{error:'error', msg:'"..tostring(err).."',imgurl:''}")
return
end
if typ == "header" then
if res[] ~= "Content-Type" then
local file_id = uuid.new()
local filen_ame = get_filename(res[])
local extension = getExtension(filen_ame)
local dir = string.sub(file_id,,)
local file_name = "/usr/local/tomcat7/webapps/dsideal_yy/html/down/Material/"..dir.."/"..file_id.."."..extension
if file_name then
file = io.open(file_name, "w+")
if not file then
ngx.say("{error:'error', msg:'failed to open file',imgurl:''}")
return
end
end
end
elseif typ == "body" then
if file then
file:write(res)
end
elseif typ == "part_end" then
file:close()
file = nil
elseif typ == "eof" then
break
else
-- do nothing
end
end ngx.say("{error:'success', msg:'上传成功！',imgurl:''}")