Question

你好，我在php中有一个数组，然后是一个输出

的json_encode函数

{
"Machine": {
    "cycle": 4230.7,
    "percent": 73.26
},
"cycle": 6.63,
"percent": -0.45
}

我需要输出如下面的示例或者从json

中获取元素的替代方法

这是理想的json格式和与之配合的代码

var text = '{"Machines":[' +
'{"cycle":"10","percent":"10" },' +
'{"cycle":"20","percent":"20" },' +
'{"cycle":"30","percent":"30" }]}';

obj = JSON.parse(text); 
document.getElementById("demo").innerHTML =
obj.Machines[1].cycle+ " " + obj.Machines[1].percent;

以下是我在php中设置数组的方式

$Cycle = array(
 "Machine" => array(
    "cycle" => $machine1->Data(),
    "percent" => $machine1->GetM()
),
    "cycle" => $machine4->Data(),
    "percent" => $machine4->GetM()

我想知道编写数组以适应示例json格式的最佳方法或更好的方法来获取json格式的循环和百分比值当前有感谢

Answer 1

您不需要将JSON转换为文本，然后使用JSON.parse（）将其读回来，只需使用JSON即可！

PHP：

<?php

$array = array(
    'machine' => array(
        array(
            'cycle' => 12.34,
            'percent' => 0.56,
        ),
        array(
            'cycle' => 56.78,
            'percent' => 0.56,
        ),
    )
);

print '<script>var foo = ' . json_encode($array) . '</script>';

JS：

console.log(foo.machine) // shows the array
console.log(foo.machine[1].cycle) // shows 56.87

Answer 2

以下结构将为您提供正确的格式：

$Cycle = (object) array(
    'Machines' => array(
        (object) array(
            'cycle' => $machine1->Data(),
            'percent' => $machine1->GetM()
        ),
        (object) array(
            'cycle' => $machine2->Data(),
            'percent' => $machine2->GetM()
        ),
    )
);

Answer 3

<?php
    $Cycle = array(
     "Machines" => array(
        array(
            "cycle" => 'cycle1',
            "percent" => '70.34'
        ), array(
            "cycle" => 'cycle4',
            "percent" => '20.34'
        )
      )
    );

    echo json_encode($Cycle);

将输出：

{"Machines":[{"cycle":"cycle1","percent":"70.34"},{"cycle":"cycle4","percent":"20.34"}]}

当它变得漂亮时：

{
    "Machines": [{
        "cycle": "cycle1",
        "percent": "70.34"
    }, {
        "cycle": "cycle4",
        "percent": "20.34"
    }]
}

格式化json以适应我需要的或更好的方式

3 个答案: