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() { $.ajaxFileUpload ( { url: '/dsideal_yy/rating/test', //用于文件上传的服务器端请求地址 fileElementId: 'file1', //文件上传空间的id属性 <input type="file" id="file" name="file" /> dataType: 'json', //返回值类型 一般设置为json success: function (data) //服务器成功响应处理函数 { alert(data.msg); } } ) return false; } </script> </head> <body> <body> <p><input type="file" id="file1" name="file" /></p> <input type="button" value="上传" /> </body> </html>
lua代码
local upload = require "resty.upload" local uuid = require "resty.uuid"; local chunk_size = 4096 local form = upload:new(chunk_size) local file --获取文件名 function get_filename(res) local filename = ngx.re.match(res,'(.+)filename="(.+)"(.*)') if filename then return filename[2] end end --获取文件扩展名 function getExtension(str) return str:match(".+%.(%w+)$") 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[1] ~= "Content-Type" then local file_id = uuid.new() local filen_ame = get_filename(res[2]) local extension = getExtension(filen_ame) local dir = string.sub(file_id,0,2) 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:''}")
