<code> function createXML(){ var xml = "<pets>"; var options = document.getElementById("petTypes").childNodes; var option = null; for(var i = 0;i " + option.value + ""; } } xml = xml + ""; return xml; } function sendPetTypes(){ createXMLHttpRequest(); var xml = createXML(); var url = "PostingXMLExample.php?timeStamp=" + new Date().getTime(); xmlHttp.open("POST",url,true); xmlHttp.onreadystatechange = handleStateChange; xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded;"); xmlHttp.send(xml); }</pets></code>
php文件中执行print_r($_POST)时,显示Array(),当执行echo file_get_contents("php://input")时,显示内容,为什么呢?请大神赐教
<code>function handleStateChange(){ if(xmlHttp.readyState == 4){ if(xmlHttp.status == 200){ parseResults(); } } } function parseResults(){ var responseDiv = document.getElementById("serverResponse"); if(responseDiv.hasChildNodes()){ responseDiv.removeChild(responseDiv.childNodes[0]); } var responseText = document.createTextNode(xmlHttp.responseText); responseDiv.appendChild(responseText); }</code>
<code> function createXML(){ var xml = "<pets>"; var options = document.getElementById("petTypes").childNodes; var option = null; for(var i = 0;i " + option.value + ""; } } xml = xml + ""; return xml; } function sendPetTypes(){ createXMLHttpRequest(); var xml = createXML(); var url = "PostingXMLExample.php?timeStamp=" + new Date().getTime(); xmlHttp.open("POST",url,true); xmlHttp.onreadystatechange = handleStateChange; xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded;"); xmlHttp.send(xml); }</pets></code>
php文件中执行print_r($_POST)时,显示Array(),当执行echo file_get_contents("php://input")时,显示内容,为什么呢?请大神赐教
<code>function handleStateChange(){ if(xmlHttp.readyState == 4){ if(xmlHttp.status == 200){ parseResults(); } } } function parseResults(){ var responseDiv = document.getElementById("serverResponse"); if(responseDiv.hasChildNodes()){ responseDiv.removeChild(responseDiv.childNodes[0]); } var responseText = document.createTextNode(xmlHttp.responseText); responseDiv.appendChild(responseText); }</code>
<code> xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded"); </code>
看着好像是多了个;
???
因为在传递过来的时候,传递的是字符串,这个时候PHP帮你自动转成了数组,但是后面get_file_contents(php://input)这个是读取的原始数据流,这个时候就需要你自己进行转了。