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虽然试图SQL数据库从一类的NodeJS连接SQL数据库连接,我得到一个错误:连接错误,而试图创建的NodeJS
ConnectionError: Connection not yet open
var sql = require("mssql");
var express = require('express');
var bodyParser = require('body-parser');
var app = express();
app.use(bodyParser.json());
var executeQuery = function(res, query) {
var conn = new sql.ConnectionPool(dbConfig);
conn.connect()
.then(function (pool) {
// create Request object
var request = new sql.Request(pool);
// query to the database
request.query(query, function (err, queryResult) {
if (err) {
console.log(err);
res.send(err);
} else {
res.send(queryResult);
}
});
conn.close();
});
}