JavaScript：将JSON二维数组重构为含type和data字段的结构

原始数据 #

[    
    ["yrxqBHmPkNhZ60_eab97ebf-c2a3-40a5-972a-91597ad9a4ca_99371", "SUCCEEDED", "2023-08-31T21:59:31.325000+05:30", "2023-08-31T22:13:42.165000+05:30"],    
    ["yrxqBHmPkNhZ60_f42702be-16c3-44bf-bc3b-6719c740a5e3_98405", "SUCCEEDED", "2023-08-31T21:43:25.581000+05:30", "2023-08-31T21:57:47.681000+05:30"],    
    ["rk9QMf81WrT7DO_edd6e8de-9de4-4885-b970-9311443d81d5_98750", "SUCCEEDED", "2023-08-31T21:49:10.578000+05:30", "2023-08-31T21:56:20.197000+05:30"]
]

原代码问题分析 #

你之前的代码仅复制了原数组，没有构造出包含type和data属性的目标对象，且未定义的data变量会导致错误，无法得到预期结构。

正确代码实现 #

var myStr = '[    ["yrxqBHmPkNhZ60_eab97ebf-c2a3-40a5-972a-91597ad9a4ca_99371", "SUCCEEDED", "2023-08-31T21:59:31.325000+05:30", "2023-08-31T22:13:42.165000+05:30"],    ["yrxqBHmPkNhZ60_f42702be-16c3-44bf-bc3b-6719c740a5e3_98405", "SUCCEEDED", "2023-08-31T21:43:25.581000+05:30", "2023-08-31T21:57:47.681000+05:30"],    ["rk9QMf81WrT7DO_edd6e8de-9de4-4885-b970-9311443d81d5_98750", "SUCCEEDED", "2023-08-31T21:49:10.578000+05:30", "2023-08-31T21:56:20.197000+05:30"]]';

// 解析原始JSON字符串为数组
var dataObj = JSON.parse(myStr);

// 直接构造目标对象
var result = {
    "type": "buffer",
    "data": dataObj
};

// 若需要输出格式化后的JSON字符串
var formattedResult = JSON.stringify(result, null, 4);
console.log(formattedResult);

预期输出 #

{
    "type": "buffer",
    "data": [
        ["yrxqBHmPkNhZ60_eab97ebf-c2a3-40a5-972a-91597ad9a4ca_99371", "SUCCEEDED", "2023-08-31T21:59:31.325000+05:30", "2023-08-31T22:13:42.165000+05:30"],
        ["yrxqBHmPkNhZ60_f42702be-16c3-44bf-bc3b-6719c740a5e3_98405", "SUCCEEDED", "2023-08-31T21:43:25.581000+05:30", "2023-08-31T21:57:47.681000+05:30"],
        ["rk9QMf81WrT7DO_edd6e8de-9de4-4885-b970-9311443d81d5_98750", "SUCCEEDED", "2023-08-31T21:49:10.578000+05:30", "2023-08-31T21:56:20.197000+05:30"]
    ]
}

内容的提问来源于stack exchange，提问作者steveS