javascript - 使用 value within 从 JSON 对象获取数据

Question

我的JSON如下:

{
    "sales": [{
        "manager": "alberic",
        "surgeon": "Dr Barry Biggins",
        "amount": "300",
        "country": "USA",
        "percent-seller": "30",
        "antiquity": "June 2017",
        "date": "6"
    }, {
        "manager": "support",
        "surgeon": "Dr Barry Biggins",
        "amount": "300",
        "country": "UK",
        "percent-seller": "20",
        "antiquity": "June 2017",
        "date": "2"
    }, {
        ...
    }]
}

我想从 sales 中检索对象，其中 manager = "support" 和 date = "2"。我如何在 jQuery 中解决这个问题？

谢谢!

Answer 1

简单地说，您可以使用 filter() 方法并在 filter 方法函数中使用您的条件，如果您的条件为真，函数将返回元素，否则它会忽略元素。

data=    {"sales": [{
          "manager": "alberic",
          "surgeon": "Dr Barry Biggins",
          "amount": "300",
          "country": "USA",
          "percent-seller": "30",
          "antiquity": "June 2017",
          "date": "6"
        }, {
          "manager": "support",
          "surgeon": "Dr Barry Biggins",
          "amount": "300",
          "country": "UK",
          "percent-seller": "20",
          "antiquity": "June 2017",
          "date": "2"
        },
       ]
      };


var matchedElements = data.sales.filter(function(element) {
   return (element.manager == 'support' && element.date == '2');
});
                   
console.log(matchedElements);
                    
//if you want to access  surgeon of first element of matchedElements
                    
console.log(matchedElements[0].surgeon);

          
//if you want to access  surgeon of all elements in matchedElements
for(i in matchedElements)           
{
console.log(matchedElements[i].surgeon);
}