1
我有這個節點,MySQL查詢我輸出到JS對象:顯示Java腳本對象內容
var queryString = 'SELECT usrFirstName, usrLastName FROM USR';
connection.query(queryString, function(err, rows, fields) {
var arr = [];
for (var i in rows) {
arr[i] = JSON.stringify(rows[i]);
}
console.log(arr)
輸出是:
[ '{"usrFirstName":"Joey","usrLastName":"Thade"}',
'{"usrFirstName":"Thomas","usrLastName":"Jacobs"}',
'{"usrFirstName":"Danny","usrLastName":"Elerrd"}' ]
現在,我試圖獲取特定列的特定信息。使用arr [0]我得到第一行,但是如何訪問它中的特定列?
你有沒有試過這個arr [0] .usrFirstName –
不能只尋找特定的'usrFirstName'? –
https://developer.mozilla.org/zh-CN/docs/Web/JavaScript/Reference/Operators/Property_Accessors – Teemu