通过jQuery AJAX POST发送JavaScript数组 [英] send JavaScript array through jQuery AJAX POST
问题描述
我想要做的是将JavaScript数组发送到PHP文件。
这就是我得到的:
var mydata = [];
console.log(document.getElementsByTagName(input)[0] .name);
for(var i = 0; i< document.getElementsByTagName('input')。length; i ++){
mydata [document.getElementsByTagName(input)[i] .name] = document .getElementsByTagName( 输入)[I]。价值;
};
for(var i = 0; i< document.getElementsByTagName('select')。length; i ++){
mydata [document.getElementsByTagName(select)[i] .name] = document .getElementsByTagName( 选择)[I]。价值;
};
console.log(mydata);
$ .ajax({
方法:POST,
url:q.php,
数据:{'lol':JSON.stringify( mydata)},
contentType:'application / json',
dataType:'json'
})
.done(function(msg){
alert(保存数据:+ msg);
$('#debug')。html(msg);
});
正如你所看到的,我创建了一个带循环的数组,此时一切都很好。问题是当我尝试通过POST与JSON发送它。我不知道这是不是最好的方法...
我试过没有 JSON.stringify();
但是 $ _ POST
仍然是空的
好像帖子没有发送,但我可以看到控制台已发送XHR发布请求。
尝试使用此代码并查看更改。
删除
contentType:'application / json',
dataType:'json'
并将 var mydata = []
更改为 var mydata = { }
你的ajax应该是这样的
$ .ajax({
方法:POST,
url:q.php,
数据:{'lol':mydata}
})
.done(function(msg){
alert(Data Saved:+ msg);
$('#debug')。html(msg);
});
你不必将你的mydata字符串化,因为你已经将它作为对象删除了。
<希望它有所帮助
What I want to do is send an JavaScript Array to a PHP file.
This is what I got:
var mydata = [];
console.log(document.getElementsByTagName("input")[0].name);
for (var i = 0; i < document.getElementsByTagName('input').length; i++) {
mydata[document.getElementsByTagName("input")[i].name] = document.getElementsByTagName("input")[i].value;
};
for (var i = 0; i < document.getElementsByTagName('select').length; i++) {
mydata[document.getElementsByTagName("select")[i].name] = document.getElementsByTagName("select")[i].value;
};
console.log(mydata);
$.ajax({
method: "POST",
url: "q.php",
data: {'lol': JSON.stringify(mydata)},
contentType: 'application/json',
dataType: 'json'
})
.done(function( msg ) {
alert( "Data Saved: " + msg );
$('#debug').html(msg);
});
So as you can see, I create an array with a loop, at that moment all is fine. The problem is when I try to sent it through POST with JSON. I don't know if this is the best method...
I tried without JSON.stringify();
but the $_POST
still empty
It seems like the post isn't sent, but I can see in the console the XHR post request has been sent.
Try to use this code and see the changes.
remove the
contentType: 'application/json',
dataType: 'json'
And change var mydata = []
into var mydata = {}
your ajax should look like this
$.ajax({ method: "POST", url: "q.php", data: {'lol': mydata} }) .done(function( msg ) { alert( "Data Saved: " + msg ); $('#debug').html(msg); });
You dont have to stringify your mydata because you already decleared it as object.
Hope it helps
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