Question

我是JSON的新手，面临创建一个非常简单的数组的问题。

我有从HTML表单收到的密钥，值对：

frm1 = {"fname":"John","lname":"Doe","location":"CA"};
frm2 = {"fname":"Jenny","lname":"Doe","location":"CA"};

我想创建一个如下所示的JSON：

{
  "employee":[
    {"fname":"John","lname":"Doe","location":"CA"},
    {"fname":"Jenny","lname":"Doe","location":"CA"}
]}

仅通过以下代码尝试推送第一个表单数据（frm1）无效。

var form1 = {"employee":[]};

form1.employee = frm1;

console.log(JSON.stringify(form1)); // prints form1 :{"employee" : ["fname","lname","location"]}

仅打印键。请建议。

Answer 1

使用数组元素

创建对象

var frm1 = {
    "fname": "John",
    "lname": "Doe",
    "location": "CA"
  },
  frm2 = {
    "fname": "Jenny",
    "lname": "Doe",
    "location": "CA"
  };

var form1 = {
  "employee": [frm1, frm2]
};
console.log(JSON.stringify(form1));

或稍后使用 push()

推送元素

var frm1 = {
    "fname": "John",
    "lname": "Doe",
    "location": "CA"
  },
  frm2 = {
    "fname": "Jenny",
    "lname": "Doe",
    "location": "CA"
  };
var form1 = {
  "employee": []
};
form1.employee.push(frm1,frm2);

console.log(JSON.stringify(form1));

Answer 2

只需应用它们

var form1 = { employee: [frm1, frm2] };

Answer 3

    var frm1 = {"fname":"John","lname":"Doe","location":"CA"}; 
    var frm2 = {"fname":"John","lname":"Doe","location":"CA"}; 
    var form1 = {"employee":[" ",""]};
  

    form1["employee"][0] = frm1;
    form1["employee"][1] = frm2;
    
  
     console.log(form1["employee"][0]);
    console.log(form1);
    console.log(JSON.stringify(form1));

由于键值是一个数组，你可以使用push或使用它的数组索引

抱歉，我误解了你想要一个具有多个值的数组用于员工

的单个对象的问题

如何创建JSON数组

3 个答案: