[英]Send array with Ajax to PHP script
I have array made by function .push .我有由函数.push制作的数组。 In array is very large data.在数组中是非常大的数据。 How is the best way send this to PHP script?将它发送到 PHP 脚本的最佳方式是什么?
dataString = ??? ; // array?
$.ajax({
type: "POST",
url: "script.php",
data: dataString,
cache: false,
success: function(){
alert("OK");
}
});
script.php:脚本.php:
$data = $_POST['data'];
// here i would like use foreach:
foreach($data as $d){
echo $d;
}
How is the best way for this?最好的方法是什么?
Encode your data string into JSON.将您的数据字符串编码为 JSON。
dataString = ??? ; // array?
var jsonString = JSON.stringify(dataString);
$.ajax({
type: "POST",
url: "script.php",
data: {data : jsonString},
cache: false,
success: function(){
alert("OK");
}
});
In your PHP在你的 PHP
$data = json_decode(stripslashes($_POST['data']));
// here i would like use foreach:
foreach($data as $d){
echo $d;
}
Note笔记
When you send data via POST, it needs to be as a keyvalue pair.当您通过 POST 发送数据时,它需要作为一个键值对。
Thus因此
data: dataString
is wrong.是错的。 Instead do:而是这样做:
data: {data:dataString}
dataString = [];
$.ajax({
type: "POST",
url: "script.php",
data:{data: $(dataString).serializeArray()},
cache: false,
success: function(){
alert("OK");
}
});
http://api.jquery.com/serializeArray/ http://api.jquery.com/serializeArray/
If you have been trying to send a one dimentional array and jquery was converting it to comma separated values >:( then follow the code below and an actual array will be submitted to php
and not all the comma separated bull**it.如果您一直在尝试发送一维数组并且jquery 正在将其转换为逗号分隔值 >:(然后按照下面的代码将实际数组提交给php
而不是所有逗号分隔的公牛**它。
Say you have to attach a single dimentional array named myvals
.假设您必须附加一个名为myvals
的单维数组。
jQuery('#someform').on('submit', function (e) {
e.preventDefault();
var data = $(this).serializeArray();
var myvals = [21, 52, 13, 24, 75]; // This array could come from anywhere you choose
for (i = 0; i < myvals.length; i++) {
data.push({
name: "myvals[]", // These blank empty brackets are imp!
value: myvals[i]
});
}
jQuery.ajax({
type: "post",
url: jQuery(this).attr('action'),
dataType: "json",
data: data, // You have to just pass our data variable plain and simple no Rube Goldberg sh*t.
success: function (r) {
...
Now inside php
when you do this当你这样做时,现在在php
里面
print_r($_POST);
You will get ..你会得到 ..
Array
(
[someinputinsidetheform] => 023
[anotherforminput] => 111
[myvals] => Array
(
[0] => 21
[1] => 52
[2] => 13
[3] => 24
[4] => 75
)
)
Pardon my language, but there are hell lot of Rube-Goldberg solutions scattered all over the web and specially on SO, but none of them are elegant or solve the problem of actually posting a one dimensional array to php
via ajax post .请原谅我的语言,但是有很多Rube-Goldberg解决方案散布在整个网络上,特别是在 SO 上,但它们都不是优雅的,也没有解决通过 ajax post 将一维数组实际发布到php
的问题。 Don't forget to spread this solution.不要忘记传播这个解决方案。
Data in jQuery ajax()
function accepts anonymous objects as its input, see documentation . jQuery ajax()
函数中的数据接受匿名对象作为其输入,请参阅文档。 So example of what you're looking for is:所以你正在寻找的例子是:
dataString = {key: 'val', key2: 'val2'};
$.ajax({
type: "POST",
url: "script.php",
data: dataString,
cache: false,
success: function(){
alert("OK");
}
});
You may also write POST/GET query on your own, like key=val&key2=val2
, but you'd have to handle escaping yourself which is impractical.您也可以自己编写 POST/GET 查询,例如key=val&key2=val2
,但您必须自己处理逃避,这是不切实际的。
dataString suggests the data is formatted in a string (and maybe delimted by a character). dataString 表明数据格式为字符串(并且可能由字符分隔)。
$data = explode(",", $_POST['data']);
foreach($data as $d){
echo $d;
}
if dataString is not a string but infact an array (what your question indicates) use JSON.如果 dataString 不是字符串而是实际上是数组(您的问题所指的),请使用 JSON。
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