Javascript 如何通过ajax后序列化上传
我已上传表格:Javascript 如何通过ajax后序列化上传,javascript,php,ajax,json,Javascript,Php,Ajax,Json,我已上传表格: <form method="post" id="edit_form" onsubmit="return edit(this.id);" enctype="multipart/form-data"> <input type="file" name="thumb" /> <input type="submit" value="Upload" /> </form> 在php中,我检查: if ($_FILES['thu
<form method="post" id="edit_form" onsubmit="return edit(this.id);" enctype="multipart/form-data">
<input type="file" name="thumb" />
<input type="submit" value="Upload" />
</form>
在php中,我检查:
if ($_FILES['thumb']['error'] != UPLOAD_ERR_NO_FILE) {
code upload here...
}
但是表单为空
$\u文件['thumb']
为null
。对不起,我说的是英语。您不需要序列化表单。相反,您应该发送FormData
类的实例
$("form").submit(function(event) {
event.preventDefault();
var data = new FormData($(this)[0]);
$.ajax({
// Note: to access both $_POST and $_FILES you should set these to false
processData : false,
contentType : false,
url : "/php-script.php",
data : data,
success : function(response){
console.log(response);
}
});
});
这是使用jquery通过AJAX发送文件的一种非常常见的技术
$("form").submit(function(event) {
event.preventDefault();
var data = new FormData($(this)[0]);
$.ajax({
// Note: to access both $_POST and $_FILES you should set these to false
processData : false,
contentType : false,
url : "/php-script.php",
data : data,
success : function(response){
console.log(response);
}
});
});