[英]How to access json nested objects in node.js
我已經使用xml2js解析器來解析node.js中的xml文件。 它正在成功解析xml。 但是現在我想解析json或標識json中的特定數據。
我的node.js代碼
var fs = require('fs');
var parseString = require('xml2js').parseString;
var xml = 'C:\\temp\\Masters.xml';
var fileData = fs.readFileSync(xml,'utf8');
parseString(fileData, function (err, result) {
console.log(JSON.stringify(result));
var json = JSON.stringify(result);
var jsonObj = JSON.parse(json);
for (var key in jsonObj) {
console.dir(key + ": " + jsonObj[key].Customer_Name);
}
});
在控制台輸出中:
'Masters: undefined'
Json數據:
'{"Masters":
{
"Customer":
[
{"Customer_Name":["Kim"],
"Customer_Code":["c86"],
"Date":["23-11-15"],
"Address":["Narhe"],
"City":["Pune"],
"State":["Maharashtra"],
"TIN":["3365670"],
"PAN_Number":["AAAAA1111a"],
"Mobile_Number":["8999000090"],
"Email_ID":["amitshirke@gmail.com"],
"Contact_Person":["Anish"],
"Opening_Balance":["0"] },
{"Customer_Name":["Ankit"],
"Customer_Code":["c87"],
"Date":["12-04-15"],
"Address":["Narhe"],
"City":["Pune"],
"State":["Maharashtra"],
"TIN":["336567"],
"PAN_Number":["AAAAA1111p"],
"Mobile_Number":["8900000000"],
"Email_ID":["amitshirke1@gmail.com"],
"Contact_Person":["Anuj"],
"Opening_Balance":["0"] }
]
}
}'
在上述數據中,Masters是根element(Object),Customer是另一個嵌套對象,並且有兩個客戶。 那么,如何訪問客戶名稱或如何使用for循環訪問客戶名稱呢?
提前致謝。
您可以按以下方式訪問Customer
數組-
var customerArray = Masters.Customer,
length = customerArray.length;
for(var i = 0; i < length; i++)
{
// You can access the customers array from here -
console.log(customerArray[i].Customer_Name[0]); // [0] hardcoded because as you can see all the variables are in array at 0th position
// similarly you can access other data
console.log(customerArray[i].City[0]);
}
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