将数组PHP转换为Java

  • Z时代
  • 2024-01-10
  • 分类：问答

我正在开发一个具有Java文件和php文件的应用程序。Java文件调用php文件，这些文件在ddbb中执行查询，并将结果作为php数组返回，但将其打印在屏幕上。我把它像字符串一样用在Java中，我必须将其转换为and数组或集合，但是我不知道该怎么做。

php打印的结果示例如下：

Array
(
[0] => Array
    (
        [id] => 1
        [0] => 1
        [name] => pepe
        [1] => pepe
    )
[1] => Array
    (
        [id] => 2
        [0] => 2
        [name] => antoñito
        [1] => antoñito
    )
[2] => Array
    (
        [id] => 3
        [0] => 3
        [name] => loló
        [1] => loló
    )
[3] => Array
    (
        [id] => 4
        [0] => 4
        [name] => ñoño
        [1] => ñoño
    )
[4] => Array
    (
        [id] => 5
        [0] => 5
        [name] => Antoñito
        [1] => Antoñito
    )
[5] => Array
    (
        [id] => 7
        [0] => 7
        [name] => José
        [1] => José
    )
)

如果我使用json_encode（$ the_array），则结果如下：

[{"id":"1","0":"1","name":"pepe","1":"pepe"},    {"id":"2","0":"2","name":"anto\u00f1ito","1":"anto\u00f1ito"},{"id":"3","0":"3","name":"lol\u00f3","1":"lol\u00f3"},{"id":"4","0":"4","name":"\u00f1o\u00f1o","1":"\u00f1o\u00f1o"},{"id":"5","0":"5","name":"Anto\u00f1ito","1":"Anto\u00f1ito"},{"id":"7","0":"7","name":"Jos\u00e9","1":"Jos\u00e9"}]

感谢大家

回答：

您应该为数据选择一种序列化方法。例如，XML，协议缓冲区或JSON。

我个人建议您使用JSON，因为它是轻量级的，甚至对于人类来说也易于阅读，并且有两种语言可供选择的库。

在PHP端进行编码

$encoded = json_encode($data);

用Jackson解码Java端

final ObjectMapper objectMapper = new ObjectMapper();
// the better way is to create a custom class with the correct format
final Map<?, ?> decoded = objectMapper.readValue(encoded, Map.class);

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