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📄 09c08-2.php

📁 介绍PHP5的给类型函数应用
💻 PHP
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>Formatted Time</title><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /><script type="text/javascript">// Declare our request variable.var request = false;// Define a function that will make our request for us:function retrieveDate() {    // Clear the curent request    request = false;    // Generate the request object and handle different browsers:    if (window.XMLHttpRequest) { // Mozilla & other compliant browsers        request = new XMLHttpRequest();    } else if (window.ActiveXObject) { // Internet Explorer        request = new ActiveXObject("Microsoft.XMLHTTP");    }    // If we don't have a request object, then error out.    if (!request) {        alert('Browser does not support AJAX!');        return false;    }    // Ok, now we are ready.  Make the request, and tell it to run the    // function 'updateDate' when it gets data back.    request.onreadystatechange = updateDate;    // Open the connection, sending the current value of the form element://    request.open('GET', //        'time.php?format=' + escape(document.myform.dformat.value), true);    request.open('GET',         '09c08-1.php?format=' + escape(document.myform.dformat.value), true);    request.send(null);}// The function that will accept the data, and update the page:function updateDate() {    // Make sure that the state is '4', which means finished:    if (request.readyState == 4) {        // Make sure that the status is 200, or 'ok'        if (request.status == 200) {            // If so, read the result back in as XML:            var xml = request.responseXML;                        // Now, parse the 'result' out of the XML:            var result = xml.getElementsByTagName('result').item(0);                        // And now, update the text on the page:            var text = document.getElementById('datetext');            text.innerHTML = result.firstChild.data;        } else {            alert('Error performing request!' + request.status);        }    }}</script></head><body><p>Click the update button below to receive the current date.  Insert any valid PHP date() format string in the field to format it accordingly.</p><p id="datetext">--DATE GOES HERE--</p><form id="myform" name="myform"><p><input type="text" id="dformat" name="dformat" value="r" /><input type="button" value="Update" onclick="retrieveDate()" /></p></form></body></html>

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