我的ajax文件有问题。ajax文件不能与php表单一起工作。当我运行代码时，它显示一个错误file_get_content错误，文件名为空。
php代码工作正常。但是ajax文件不能传输文件字段值。因此，该文件不能与邮件附加。
显示错误:文件名空
请帮助我通过ajax文件传递文件字段值。
<div>
<form method="post" enctype="multipart/form-data" name="form1" id="form1" action="contactus.php" onsubmit="xmlhttpPost('contactus.php', 'form1', 'Myresult', ''); return false;">
Name:<input name="name1" type="text" value="" />
Address:<input name="address1" type="text" value="" />
Phone:<input name="phone1" type="text" value=""/>
Email: <input name="email1" type="text" value="" />
File:<input name="file" type="file" size="35" id="file" />
Links:<input name="links1" type="text" value="" />
Subject:<input name="subject1" type="text" value="" />
Location:<select name="location">
<option value="" selected="selected">--Select--</option>
<option>1</option>
<option>2</option>
<option>3</option>
<option>4</option>
<option>5</option>
</select>
Comments:<textarea name="comment1" ></textarea>
<input name="submit" id="submit" type="submit"/>
<div id="Myresult"></div>
</form>
</div>
<?php
if(isset($_POST['submit']))
{
$name=$_POST['name1'];
$address=$_POST['address1'];
$phone=$_POST['phone1'];
$email=$_POST['email1'];
$subject=$_POST['subject1'];
$location=$_POST['location'];
$comment=$_POST['comment1'];
$links=$_POST['links1'];
$to='mail@mail.com';
$message .= "'nName: ".$name."'n'n";
$message .= "Address: ".$address."'n'n";
$message .= "Phone: ".$phone."'n'n";
$message .= "Email: ".$email."'n'n";
$message .= "Links: ".$links."'n'n";
$message .= "Location: ".$location."'n'n";
$message .= "Comments:'n'n ".$comment."'n";
$attachment = chunk_split(base64_encode(file_get_contents($_FILES['file']['tmp_name'])));
$filename = $_FILES['file']['name'];
$filetype = $_FILES['file']['type'];
$boundary =md5(date('r', time()));
$headers = "From: $name <$email>'r'nReply-To: $name <$email>";
$headers .= "'r'nMIME-Version: 1.0'r'nContent-Type: multipart/mixed; boundary='"_1_$boundary'"";
$message="This is a multi-part message in MIME format.
--_1_$boundary
Content-Type: multipart/alternative; boundary='"_2_$boundary'"
--_2_$boundary
Content-Type: text/plain; charset='"iso-8859-1'"
Content-Transfer-Encoding: 7bit
$message
--_2_$boundary--
--_1_$boundary
Content-Type: $filetype; name='"$filename'"
Content-Transfer-Encoding: base64
Content-Disposition: attachment
$attachment
--_1_$boundary--";
mail($to,$subject,$message,$headers);
print 'Thanks, your message sent!';
}
?>
ajax.js
function xmlhttpPost(strURL, formname, responsediv, responsemsg) {
var xmlHttpReq = false;
var self = this;
// Xhr per Mozilla/Safari/Ie7
if (window.XMLHttpRequest) {
self.xmlHttpReq = new XMLHttpRequest();
}
// per tutte le altre versioni di IE
else if (window.ActiveXObject) {
self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
}
self.xmlHttpReq.open('POST', strURL, true);
self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
self.xmlHttpReq.onreadystatechange = function () {
if (self.xmlHttpReq.readyState == 4) {
// Quando pronta, visualizzo la risposta del form
updatepage(self.xmlHttpReq.responseText, responsediv);
} else {
// In attesa della risposta del form visualizzo il msg di attesa
updatepage(responsemsg, responsediv);
}
}
self.xmlHttpReq.send(getquerystring(formname));
}
function getquerystring(formname) {
var form = document.forms[formname];
var qstr = "";
function GetElemValue(name, value) {
qstr += (qstr.length > 0 ? "&" : "") + escape(name).replace(/'+/g, "%2B") + "=" + escape(value ? value : "").replace(/'+/g, "%2B");
//+ escape(value ? value : "").replace(/'n/g, "%0D");
}
var elemArray = form.elements;
for (var i = 0; i < elemArray.length; i++) {
var element = elemArray[i];
var elemType = element.type.toUpperCase();
var elemName = element.name;
if (elemName) {
if (elemType == "TEXT" || elemType == "TEXTAREA" || elemType == "PASSWORD" || elemType == "BUTTON" || elemType == "RESET" || elemType == "SUBMIT" || elemType == "FILE" || elemType == "IMAGE" || elemType == "HIDDEN")
GetElemValue(elemName, element.value);
else if (elemType == "CHECKBOX" && element.checked) GetElemValue(elemName,
element.value ? element.value : "On");
else if (elemType == "RADIO" && element.checked) GetElemValue(elemName, element.value);
else if (elemType.indexOf("SELECT") != -1)
for (var j = 0; j < element.options.length; j++) {
var option = element.options[j];
if (option.selected) GetElemValue(elemName,
option.value ? option.value : option.text);
}
}
}
return qstr;
}
function updatepage(str, responsediv) {
document.getElementById(responsediv).innerHTML = str;
}
无法重现您的错误。试试这个:
<?php
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
if (isset($_POST['submit1'])) {
$name = $_POST['name1'];
$address = $_POST['address1'];
$phone = $_POST['phone1'];
$email = $_POST['email1'];
$subject = $_POST['subject1'];
$location = $_POST['location'];
$comment = $_POST['comment1'];
$links = $_POST['links1'];
$to = 'mail@mail.com';
$message .= "'nName: " . $name . "'n'n";
$message .= "Address: " . $address . "'n'n";
$message .= "Phone: " . $phone . "'n'n";
$message .= "Email: " . $email . "'n'n";
$message .= "Links: " . $links . "'n'n";
$message .= "Location: " . $location . "'n'n";
$message .= "Comments:'n'n " . $comment . "'n";
$attachment = chunk_split(base64_encode(file_get_contents($_FILES['file']['tmp_name'])));
$filename = $_FILES['file']['name'];
$filetype = $_FILES['file']['type'];
$boundary = md5(date('r', time()));
$headers = "From: $name <$email>'r'nReply-To: $name <$email>";
$headers .= "'r'nMIME-Version: 1.0'r'nContent-Type: multipart/mixed; boundary='"_1_$boundary'"";
$message = "This is a multi-part message in MIME format.
--_1_$boundary
Content-Type: multipart/alternative; boundary='"_2_$boundary'"
--_2_$boundary
Content-Type: text/plain; charset='"iso-8859-1'"
Content-Transfer-Encoding: 7bit
$message
--_2_$boundary--
--_1_$boundary
Content-Type: $filetype; name='"$filename'"
Content-Transfer-Encoding: base64
Content-Disposition: attachment
$attachment
--_1_$boundary--";
mail($to, $subject, $message, $headers);
print 'Thanks, your message sent!';
exit;
}
print 'Some error';
exit;
}
?>
<!DOCTYPE html>
<html>
<head>
<script>
function xmlhttpPost(strURL, formname, responsediv, responsemsg) {
var xmlHttpReq = false;
var self = this;
if (window.XMLHttpRequest) {
self.xmlHttpReq = new XMLHttpRequest()
} else if (window.ActiveXObject) {
self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP")
}
self.xmlHttpReq.open('POST', strURL, true);
self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
self.xmlHttpReq.onreadystatechange = function () {
if (self.xmlHttpReq.readyState == 4) {
updatepage(self.xmlHttpReq.responseText, responsediv)
} else {
updatepage(responsemsg, responsediv)
}
}
self.xmlHttpReq.send(getquerystring(formname))
}
function getquerystring(formname) {
var form = document.forms[formname];
var qstr = "";
function GetElemValue(name, value) {
qstr += (qstr.length > 0 ? "&" : "") + escape(name).replace(/'+/g, "%2B") + "=" + escape(value ? value : "").replace(/'+/g, "%2B")
}
var elemArray = form.elements;
for (var i = 0; i < elemArray.length; i++) {
var element = elemArray[i];
var elemType = element.type.toUpperCase();
var elemName = element.name;
if (elemName) {
if (elemType == "TEXT" || elemType == "TEXTAREA" || elemType == "PASSWORD" || elemType == "BUTTON" || elemType == "RESET" || elemType == "SUBMIT" || elemType == "FILE" || elemType == "IMAGE" || elemType == "HIDDEN") GetElemValue(elemName, element.value);
else if (elemType == "CHECKBOX" && element.checked) GetElemValue(elemName, element.value ? element.value : "On");
else if (elemType == "RADIO" && element.checked) GetElemValue(elemName, element.value);
else if (elemType.indexOf("SELECT") != -1) for (var j = 0; j < element.options.length; j++) {
var option = element.options[j];
if (option.selected) GetElemValue(elemName, option.value ? option.value : option.text)
}
}
}
return qstr
}
function updatepage(str, responsediv) {
document.getElementById(responsediv).innerHTML = str
}
</script>
</head>
<body>
<div>
<form method="post" enctype="multipart/form-data" name="form1" id="form1" onsubmit="xmlhttpPost('', 'form1', 'Myresult', ''); return false;">
<input type="submit" name="submit1" value="Submit">
<div id="Myresult"></div>
</form>
</div>
</body>
</html>