有网站源程序怎么做网站后台,怎么做网站内部链接,朝阳住房和城乡建设厅网站,青岛网站快速备案你sendMessage功能是不完全正确 - 看看这看看它是否有帮助。在最初检查的receiveReq状态不参照实例化XMLHttpRequest对象sendReq功能 - 也#xff0c;请求绝不会因为open和send电话是代码内发送#xff0c;即使它已经使用sendReq检查响应的块...var sendReq getXmlHttpReque…你sendMessage功能是不完全正确 - 看看这看看它是否有帮助。在最初检查的receiveReq状态不参照实例化XMLHttpRequest对象sendReq功能 - 也请求绝不会因为open和send电话是代码内发送即使它已经使用sendReq检查响应的块...var sendReq getXmlHttpRequestObject();function messageSent(response){console.info(response);}function getXmlHttpRequestObject() {if (window.XMLHttpRequest) {return new XMLHttpRequest();} else if(window.ActiveXObject) {return new ActiveXObject(Microsoft.XMLHTTP);} else {document.getElementById(status).innerHTML Status: Error while creating XmlHttpRequest Object.;}}/*Set the param as a parameter to the function, can reuse it more easily.*/function sendMessage(param) {if(sendReq){/* set the listener now for the response */sendReq.onreadystatechangefunction(){/* Check for the request Objects status */if(sendReq.readyState4) {if(sendReq.status200){/* Process response here */messageSent.call(this, sendReq.response);} else {/* there was an error */}}};/* Open send request, outwith the listener */sendReq.open(POST, chatServer.php, true);sendReq.setRequestHeader(Content-Type,application/x-www-form-urlencoded);sendReq.send(param);document.getElementById(message).value ;}}/* send some messages */sendMessage(messageciao);sendMessage(messageajax...sent via POST);最初错过了param var声明所以纠正了这个错误。更新chatserver.php (example)------------------------/*demo_chatserver.php*/session_start();if($_SERVER[REQUEST_METHOD]POST){/*include your db connectionset your headers*/if(isset($_POST[message]) !empty($_POST[message])){ob_clean();/* Create the db conn test that it is OK *//* for the purposes of the tests only */$_POST[date]date(DATE_COOKIE);echo json_encode($_POST, JSON_FORCE_OBJECT);exit();}}?html/php page---------------ajax testsvar sendReq getXmlHttpRequestObject();function messageSent(response){console.info(This is the response from your PHP script: %s,response);if(document.getElementById(message)) document.getElementById(message).innerHTMLresponse;}function getXmlHttpRequestObject() {if (window.XMLHttpRequest) {return new XMLHttpRequest();} else if(window.ActiveXObject) {return new ActiveXObject(Microsoft.XMLHTTP);} else {document.getElementById(status).innerHTML Status: Error while creating XmlHttpRequest Object.;}}/*Set the param as a parameter to the function, can reuse it more easily.*/function sendMessage(param) {if(sendReq){/* set the listener now for the response */sendReq.onreadystatechangefunction(){/* Check for the request Objects status */if(sendReq.readyState4) {if(sendReq.status200){/* Process response here */messageSent.call(this, sendReq.response);} else {/* there was an error */}}};/* Open send request, outwith the listener *//*NOTE: I have this in a folder called test, hence the path below!! */sendReq.open(POST, /test/demo_chatserver.php, true);sendReq.setRequestHeader(Content-Type,application/x-www-form-urlencoded);sendReq.send(param);if(document.getElementById(message)) document.getElementById(message).innerHTML ;}}/* send some data - including original messageciao but other junk too */window.οnlοadfunction(event){sendMessage(messageciaoid23bananayellowphpfunmethodpostevtevent);}Should output something like:-------------------------------{message:ciao,id:23,banana:yellow,php:fun,method:post,evt:[object Event],time:1446730182,date:Thursday, 05-Nov-15 13:29:42 GMT}
