Question

我想问一个关于在android上将jsonArray转换为StringArray的问题。这是我获取jsonArray的代码

0:{Value: "0", Display: "w"}
1:{Value: "22", Display: "1w"}
2:{Value: "30", Display: "w2"}
3:{Value: "45", Display: "w3"}

我希望转换此格式

{"0":"w","22":"w2","30":"w2","45":"w3"}

这是我的代码

 cols = [
        {
            Id: 'combo',
            Values: [
                        { "Value": "0", "Display": "w" },
                        { "Value": "22","Display": "1w" },
                        { "Value": "30",  "Display": "w2" },
                        { "Value": "45", "Display": "w3" }
                  ],
        },
]
 var jsonString = JSON.stringify(cols.Values).replace("]", "").replace("[", "").replace("},{", "");

此结果

"{"Value":"0","Display":"w""Value":"22","Display":"1w"},
                                                 {"Value":"30","Display":"w2""Value":"45","Display":"w3"}"

Answer 1

您可以迭代输入并创建所需的输出，如下所示： -

cols = [
        {
            Id: 'combo',
            Values: [
                        { "Value": "0", "Display": "w" },
                        { "Value": "22","Display": "1w" },
                        { "Value": "30","Display": "w2" },
                        { "Value": "45","Display": "w3" }
                  ],
        },
];// this input is coming form somwhere

obj = {};

$.each(cols[0].Values,function(key,value){
   obj[value.Value] = value.Display;
});

console.log(obj);

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

注意： - “jQuery库必须为上述代码添加”。

或者您可以 只使用标准.forEach()函数而不是$.each()，然后此代码不需要jQuery。

.forEach()示例： -

cols = [
        {
            Id: 'combo',
            Values: [
                        { "Value": "0", "Display": "w" },
                        { "Value": "22","Display": "1w" },
                        { "Value": "30","Display": "w2" },
                        { "Value": "45","Display": "w3" }
                  ],
        },
];// this input is coming form somwhere

obj = {};


cols[0].Values.forEach(function(value) {
  obj[value.Value] = value.Display;
});
console.log(obj);

使用自定义格式

1 个答案: