将数组数组从 Ajax 传递给控制器

Question

我有一些问题。首先，我想将我的数据存储到数组集合中。然后将数据传递给控制器​​提交。这是我的代码

Ajax.php

$("#submit").click(function() {
    var total = 3;
    var photos = new Array();

    for(var i = 0; i < total; i++)
    {
     photos[i] = $('#thumbnail'+i+'').children('img').attr('src');
     var collection = {
        'no' : i,
        'photo' : photos[i]
     };

    }

    $.ajax({ 
        type: "POST",
        url: "<?php echo base_url()?>create/submit",
        data: {collection : collection},
        cache: false,
        success: function(response)
        {
           console.log(response);
           alert('success');
           window.location = '<?php echo base_url()?>create/submit';

        }
    });

}); 

[编辑]

控制器

function submit()

      $collection = $this->input->post('collection');

      print_r($collection);

      if(is_array($collection)) {
          foreach ($collection as $collect) {
           echo $collect['no'];
           echo $collect['photo'];
          }
       }
       else
       {
           echo 'collection is not array!';
       }
}

结果

collection is not array!

基于 PeterKa 解决方案，我在控制台中得到了这个 在控制台中

Array
(
[0] => Array
    (
        [no] => 0
        [photo] => https://scontent.cdninstagram.com/hphotos-xap1/t51.2885-15/s320x320/e15/11176494_1106697872689927_2104362222_n.jpg
    )

[1] => Array
    (
        [no] => 1
        [photo] => https://scontent.cdninstagram.com/hphotos-xfa1/t51.2885-15/s320x320/e15/11376044_838742186174876_410162115_n.jpg
    )

[2] => Array
    (
        [no] => 2
        [photo] => https://scontent.cdninstagram.com/hphotos-xaf1/t51.2885-15/s320x320/e15/11381470_878168042272606_1132736221_n.jpg
    )

)

但是，结果在我的控制器中并没有像预期的那样。

Answer 1

您已将thumbnail 添加为所有<a> 的类。 然后像这样更改代码：

$("#submit").click(function () {
        var total = 3;
        var photos = new Array();
        $('.thumbnail').each(function (i) {
            photos.push($(this).attr("src"));
        });
        $.ajax({
            type: "POST",
            url: "<?php echo base_url() ?>create/submit",
            data: {'collection': photos},
            cache: false,
            success: function (response)
            {
                console.log(response);
                alert('success');
                window.location = '<?php echo base_url() ?>create/submit';

            }
        });

    });

Answer 2

collection 变量是循环的本地变量，并不包含您迭代的所有数据。而是尝试这样的事情，虽然你并不真的需要一个对象来停止索引和src——一个普通的一维数组就可以了：

$("#submit").click(function() {
    var total = 3;
    var photos = new Array();
    for(var i = 0; i < total; i++)
    {
         var collection = {
            'no' : i,
            'photo' : $('#thumbnail'+i+'').children('img').attr('src')
        };
        photos.push( collection );
    }
    $.ajax({ 
        type: "POST",
        url: "<?php echo base_url()?>create/submit",
        data: {collection : photos},
        cache: false,
        success: function(response)
        {
            console.log(response);
            alert('success');
            window.location = '<?php echo base_url()?>create/submit';
        }
    });
}); 

您发送的数据格式为：

photos = [
    {
        "no": 1,
        "photo":"this is a link"
    }, 
    {
        "no": 2,
        "photo":"this is a link"
    },
    {
        "no": 3,
        "photo":"this is a link"
    }
]