解析JSON数据的优化方法 [英] Optimized way to parse JSON data
本文介绍了解析JSON数据的优化方法的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个JSON数据
[
{
"Name": "Tom",
"Email": "tom@gmail.com",
"Notes": "Yea, it's good",
"Ratings": "5",
"Messages": [
"Tom - I am good",
"System - How're you doing?",
"Tom - True, that!",
"System - Oh Yes! ;) "
]
},
{
"Name": "Sunny",
"Email": "sunny@gmail.com",
"Notes": "Yea, it's good",
"Ratings": "2",
"Messages": [
"Sunny-I am good",
"System - How're you doing?",
"Sunny - True, that!",
"System - Oh Yes! ;) "
]
}
]
我正在使用jQuery对其进行解析并像这样进行迭代;
I am parsing it using jQuery and iterating it like this;
var jsonData = $("#jsonData").val();
var plainData = $.parseJSON(jsonData);
for (var j = 0; j < plainData.length; j++) {
var Name = plainData[j].Name;
var Email = plainData[j].Email;
var Notes = plainData[j].Notes;
var Ratings = plainData[j].Ratings;
var Messages = plainData[j].Messages;
var _messages = " ";
for (var i = 0; i < Messages.length; i++)
_messages += Messages[i] + "\n";
}
我不太确定在for循环中进行迭代是否是一个好主意.有人可以建议我一种更好/优化的方法来迭代已解析的json值吗?
I'm not too sure if iterating this in a for loop is a good idea. Could anyone please suggest me a better/optimized way to iterate the parsed json value?
推荐答案
目前的操作方式是最有效的操作方式,除了:
The way you're doing it just now is the most efficient way to do it, except:
var Messages = plainData[j].Messages;
var _messages = " ";
for (var i = 0; i < Messages.length; i++)
_messages += Messages[i] + "\n";
也可以写成更好的形式:
Could also be written better as :
_messages = plainData[j].Messages.join('\n') + '\n';
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