local function sendHttp() if self.updateEndHandle then cc.Director:getInstance():getScheduler():unscheduleScriptEntry(self.updateEndHandle) self.updateEndHandle = nil end if cc.XMLHttpRequest~=nil then local xhr = cc.XMLHttpRequest:new() if xhr==nil then print("+++++++++++++++++") else print("******************") end xhr.responseType = cc.XMLHTTPREQUEST_RESPONSE_DOCUMENT--cc.XMLHTTPREQUEST_RESPONSE_ARRAY_BUFFER --返回数据为字节流 xhr:open("GET","http://127.0.0.1:8080/UpdateGameServer/update/updateList.xml") local function onReadyStateChange() local wFile = io.open(cc.FileUtils:getInstance():getWritablePath().."updateList.xml","wb") wFile:write(xhr.response) wFile:flush() wFile:close() wFile = nil end xhr:registerScriptHandler(onReadyStateChange) xhr:send() else print("ddddddddddd") end end self.updateEndHandle = cc.Director:getInstance():getScheduler():scheduleScriptFunc(sendHttp,1,false) 原文链接：https://www.f2er.com/cocos2dx/339320.html