摘要：
exec sp_configure 'show advanced options',1reconfigureexec sp_configure 'Ad Hoc Distributed Queries',1RECONFIGUREINSERT INTO userinfoSelect a.*FROM OPENROWSET('SQLOLEDB','172.18.9.157';'sa';'sa', 'Select * FROM [test].dbo.userinfo') AS a exec s 阅读全文
摘要：
function copyDir($dirSrc,$dirTo){ if(is_file($dirTo)) { echo '目标不是目录不能创建！'; return; } if(!file_exists($dirTo)) { mkdir($dirTo); } $dir_handle = @opendir($dirSrc); if($dir_handle) { while($filename = readdir($dir_handle)) { if($... 阅读全文
摘要：
function delDir($directory){ if(file_exists($directory)) { $dir_handle = @opendir($directory); if($dir_handle) { while($filename = readdir($dir_handle)) { if($filename != "." && $filename != "..") { $su... 阅读全文
摘要：
function dirSize($directroy){ $dir_size=0; $dir_handle = @opendir($directroy); if($dir_handle) { while($filename = readdir($dir_handle)) { if($filename!="." && $filename != "..") { $subFile = $directroy ."\\".$filename; if... 阅读全文
摘要：
var num = 11243700;var s = num%60;num=parseInt(num/60);var m = num%60;num = parseInt(num/60);var h = num%24;num = parseInt(num/24);var d = num;console.log(d+'天'+h+'时'+m+'分'+s+'秒')js秒数转换天时分秒 阅读全文
摘要：
<html> <head> <style> #banner { overflow: hidden; position: relative; height: 500px; } .banner-img { position: absolute; height: 500px; top: 0; right: 0; } .banner-tab { width: 639px; height: 57px; border-top-left-radius: 5px; border-top-right-radius: 5p... 阅读全文
摘要：
function log(){ try { console.log.apply(console,arguments); } catch(e) { try { opera.postError.apply(opera,arguments); } catch(e) { alert(Array.prototype.join.call(arguments," ")); } }} 阅读全文
摘要：
A,B,C3个页面：A中利用iframe分别嵌入B,C页面：A.html：<html> <head> <title></title> <script type="text/javascript" src="js/jquery-1.8.0.js"></script> <script type="text/javascript"> var getIframeDocument = function (element) { return element.con 阅读全文
摘要：
functionclone(jsonObj){varbuf;if(jsonObjinstanceofArray){buf=[];vari=jsonObj.length;while(i--){buf[i]=arguments.callee(jsonObj[i]);}returnbuf;}elseif(typeofjsonObj=="function"){returnjsonObj;}elseif(jsonObjinstanceofObject){buf={};for(varkinjsonObj){buf[k]=arguments.callee(jsonObj[k]);}ret 阅读全文
摘要：
递归函数是在一个函数通过名字调用自身的情况下构成的，如下所示:functionfactorial(num){if(num<=1){return1;}else{returnnum*factorial(num-1);}}这是一个经典的阶乘函数。表面看来没有什么问题，但下面的代码却可能导致它出错。var anotherFactorial = factorial;anotherFactorial(4); //输出 24factorial = null;anotherFactorial (4); //TypeError: Property 'factorial' of object 阅读全文