jquery ajax get status code

In the project development, sometimes we need to know whether the remote URL address can be accessed properly, to determine its normal or not after the next step, then in PHP How to get the status of remote HTTP?Wind up two ways, we can refer to the use of:Copy CodeThe code is as follows:#方式一$ch = Curl_init (' http://www.jb51.net ');curl_setopt ($ch, Curlopt_retu

Before the Sina blog wrote JS call Ajax get and post garbled solution, but the use of JS code is cumbersome, we use AJAX for data interaction can use a mature framework of JS---jQuery. The design of a Web site, whether registered or paged, requires the submission of paramete

In some cases, you often need to obtain the http status code for accessing the page without returning the page content. How can this function be implemented? Refer to the following key code:[Php] Function GetHttpStatusCode ($ url ){$ Curl = curl_init ();Curl_setopt ($ curl, CURLOPT_URL, $ url); // get the content urlCu

This article describes how to use ajax's get () function to read pages in jQuery. If you need it, refer to the following to introduce the get () function: Url, [data], [callback], [type] Parameter description:Url: the URL of the page to be loadedData: Key/value parameter to be sent.Callback: callback function when the load is successful.Type: The returned conten

with "_"$HD = Explode ("", $rs);$hd _avail = Trim ($HD [3], ' G '); Disk free space Size Unit g$hd _usage = Trim ($HD [4], '% '); mount point PercentagePrint_r ($HD);/* Hard Drive utilization end*/ Detection time$fp = Popen ("date +\"%y-%m-%d%h:%m\ "", "R");$rs = Fread ($fp, 1024);Pclose ($FP);$detection _time = Trim ($RS); /* Get IP address begin*//*$fp = Popen (' ifconfig eth0 | grep-e "(inet addr)" ', ' r ');$rs = Fread ($fp, 1024);Pclose ($FP);$r

-Contains XMLHttpRequest objects DataType Optionally, specify the type of data the server wants to returnDefault jquery for automatic guessingPossible types of P: "XML"-an XML document "HTML"-HTML as plain text "Text"-a plain text string "Script"-runs response as JavaScript and returns as normal text "JSON"-runs response as JSON and returns a JavaScript object "Jsonp"-uses JSO

In jquery The Ajax submission form has a post and get way, and we can use Ajax to serialize the form $ (Form ID) serialize () directly using the Get mode (); Here's the two ways to submit form data. $get Way to submit a form

In the ongoing project, you need to use php to obtain the Linux Server Status. du Niang finds that most of them are based on the WIN System. well, we are self-reliant, I would like to share with you a piece of simple Linux code: php code for getting the linux server status, not to mention-go directly to the function:

jquery Code Ajax jquery.post ("newdoajax.asp tutorial X", {max: ' n!) ', Name: ' Wsenmin '}, function (data) {alert (data)}); Jquery.get ("Newdoajax.aspx", {max: ' B!) ', Name: ' Wsenmin '}, function (data) {alert (data)}); var Superman = "Max=i am JQ name= it is Ajax"; Jquery.ajax ({ Type: "Post", URL:

The acquisition content often needs to obtain the webpage return the verification code to do further processing The following code is a script written in Python to get the HTTP status code of a Web page #!/usr/bin/python #-*-coding:utf-8-*- #encoding =utf-8 #Filename:

Today we will introduce $. get () in jQuery (). It also allows us to complete ajax requirements in website development with a very small amount of code. The parameters of the $. get () function are the same as the $. post () parameter described in how

Copy Code code as follows: #!/bin/ksh Interval=5 prefix= $INTERVAL-sec-status Touch/tmp/running Runfile=/tmp/running MY-E ' Show global variables ' >> mysql-variables While Test-e $RUNFILE; Todo file=$ (Date +%f_%i) sleep=$ (Date +%s.%n | awk "{print $INTERVAL-(\$1% $INTERVAL)}") Sleep $sleep Ts= "$ (date +" TS%s.%n%F%T ")" Loadavg=

IllegalStateException ("Response content has been already consumed"); } }Workaround:In Returncontent (), the state of the response is judged first, the state value is greater than 300, the corresponding exception is thrown, and then called entityutils.tostring (Entity) value, so you can first take the HttpResponse, and then usebyte[] bytes = EntityUtils.toByteArray(httpResponse.getEntity());来取Content. PublicContent returncontent ()throwsclientprotocolexception, IOException {ret

("demo_test_post.html",{Name: "Donald Duck",City: "Duckburg"},function (data,status) {Alert ("Data:" + Data + "Nstatus:" + status);});});Try it»The first parameter of $.post () is the URL we want to request ("demo_test_post.php").We then send the data along with the request (name and city).The php script in "demo_test_post.php" reads the parameters, processes them, and returns the results.The third paramet

Simple PHP gets the Linux server state code, not much to say-directly on the function: Copy the Code code as follows:function Get_used_status () {$fp = Popen (' top-b-N 2 | grep-e "^ (cpu| mem| Tasks) "'," "R");//Get a moment of system CPU and memory usage$rs = "";while (!feof ($fp)) {$rs. = Fread ($fp, 1024);}Pclose

parse, you are prone to security issues.However, the advantages of JSON are obvious. He is an ideal data format for AJAX data interactions.Main tips:JSONP is a powerful technology for building mashups, but unfortunately it is not a panacea for all cross-domain communication needs. It has some drawbacks that must be carefully considered before submitting development resources.First, and most important, there is no error handling on the JSONP call. If

$.ajax is the jQuery underlying AJAX implementation, $.ajax is a generic underlying package, $.ajax () after requesting data, you need to use a callback function that has beforesend, error, Datafilter, success, Complete and so on. $.get