Question

我想要组合以下数组：

<?php
$data_a = '{"a":4,"b":5,"c":6},{"a":7,"b":8,"c":9},{"a":10,"b":11,"c":12}';
?>
<script>
array1 = [<?=$data_a?>];
var data_b = '{"a":1,"b":2,"c":3}';
array2 = JSON.parse(data_b);
</script>

我已经尝试过并没有成功将它们组合成如下：

combined = array2.concat(array1);

我希望组合数组返回

 [{"a":1,"b":2,"c":3},{"a":4,"b":5,"c":6},{"a":7,"b":8,"c":9},{"a":10,"b":11,"c":12}]

任何人的帮助将不胜感激！

Answer 1

array1是array Object，array2是一个对象，在您的示例中，您希望array2进入array1，请参阅：

[{"a":1,"b":2,"c":3},{"a":4,"b":5,"c":6},{"a":7,"b":8,"c":9},{"a":10,"b":11,"c":12}]

尝试：

array1.push(array2);

注意，结果返回：

[{"a":4,"b":5,"c":6},{"a":7,"b":8,"c":9},{"a":10,"b":11,"c":12},{"a":1,"b":2,"c":3}]

如果需要{"a":1,"b":2,"c":3}在＆＃34;第一个索引＆＃34;使用Array.unshit，尝试：

array1.unshift(array2);

提示，声明变量：

<script>
var array1 = [<?=$data_a?>];
var data_b = '{"a":1,"b":2,"c":3}';
var array2 = JSON.parse(data_b);

console.log(array1.push(array2));
</script>

Answer 2

使用concat()进行连接，你只需要进行数组连接：

array1.concat(data_b)

参考：Concat JSON objects

Answer 3

你需要尝试这样

<?php
  $data_a = '{"a":4,"b":5,"c":6},{"a":7,"b":8,"c":9},{"a":10,"b":11,"c":12}';
?>
<script>
    var array1 = '<?=$data_a?>';            //removed [] and added var
    var data_b = '{"a":1,"b":2,"c":3}';     // removed JSON.parse
    combined = data_b.concat(array1);       // concated data_b with array1
</script>

Answer 4

实际上非常直接。

<?php
$data_a = '{"a":4,"b":5,"c":6},{"a":7,"b":8,"c":9},{"a":10,"b":11,"c":12}';
?>
<script>
var data_b = '[<?php echo $data_a;?>,{"a":1,"b":2,"c":3}]';
combinedArr = JSON.parse(data_b);
// combinedArr is the combined array.
</script>

但它的缺点是你需要确保你的PHP数据不是空的，否则你会得到解析错误。

如何使用javascript结合两组数据，其中一组是从php检索的？

4 个答案: