在 JavaScript/TypeScript 中迭代 Json 数据

Question

我需要迭代这个 Json 数据并在 JavaScript(TypeScript) No Jquery 中向网格添加值。

{"GridHeader":{"Id":"Id","Name":"Full Name","Age":"Age"},"GridData":{"Id":3,"name":"Vu","age":34}}

我有如下添加函数，它将标题和数据添加到网格：

 let header = '{"GridHeader":{"Id":"Id","Name":"Full Name","Age":"Age"},"GridData":{"Id":3,"name":"Vu","age":34}}';
let myheader = JSON.parse(header);


for (var i = 0; ??) {
   ....

    AddRecord(headerdata, i);
}

这是我将它添加到网格的地方：

function AddRecord(record, n) {
var detail = document.getElementById("detail");
var header = document.getElementById("header");

if (n == 0) {
    var newdiv = document.createElement("div");
    newdiv.innerHTML = "<div style=''>" + record.id + "</div>" + "<div>" + record.name + "</div>" + "<div>" + record.age + "</div>";
}

var newdiv = document.createElement("div");
newdiv.innerHTML = "<div style=''>" + record.id + "</div>" + "<div>" + record.name + "</div>" + "<div>" + record.age + "</div>";
detail.appendChild(newdiv);

}

Answer 1

是的，您的数据实际上是下面的 javascript 对象：

var header = {
    "GridHeader":{"Id":"Id","Name":"Full Name","Age":"Age"},
  "GridData":   {"Id":3,"name":"Vu","age":34}
  };

你可以像下面这样循环遍历它：

for (var prop in header) {
        console.log("Key:" + prop);
        console.log("Value:" + header[prop]);
    }

请根据您的需要制作。我已经给了你一个迭代它的线索。谢谢。