javascript - JSON 解析 JavaScript

Question

我正在尝试解析 JSON 字符串

这是我的示例 JSON 字符串；

{  
   "className":"Rectangle",
   "data":{  
      "x":685,
      "y":283,
      "width":179,
      "height":169,
      "strokeWidth":5,
      "strokeColor":"#000",
      "fillColor":"rgba(224,224,224,0.28)"
   },
   "id":"c4c49b39-d0cd-f7c7-ea89-356753051de2"
}

这是我要解析的代码；

var obj;
obj = JSON.parse({
    "className": "Rectangle",
    "data": {
        "x": 685,
        "y": 283,
        "width": 179,
        "height": 169,
        "strokeWidth": 5,
        "strokeColor": "#000",
        "fillColor": "rgba(224,224,224,0.28)"
    },
    "id": "c4c49b39-d0cd-f7c7-ea89-356753051de2"
});
console.log(obj.className);

这是抛出的错误

Uncaught SyntaxError: Unexpected token o in JSON at position 1

我需要访问 X 和 Y 值。

Answer 1

您可以直接访问x和y的值

var arr = { "className": "Rectangle", "data": { "x": 685, "y": 283, "width": 179, "height": 169, "strokeWidth": 5, "strokeColor": "#000", "fillColor": "rgba(224,224,224,0.28)" }, "id": "c4c49b39-d0cd-f7c7-ea89-356753051de2" };
var x = arr.data.x;
var y=  arr.data.y