Sql server 无法使用节点js连接到ms sql窗口身份验证
这是我的节点js代码Sql server 无法使用节点js连接到ms sql窗口身份验证,sql-server,node.js,Sql Server,Node.js,这是我的节点js代码 app.get('/', function (req, res) { var config = { server: 'localhost\\SQLEXPRESS2008', database: 'TestingDB' }; // connect to your database sql.connect(config, function (err) { if (err) console.log(err); // create Reques
app.get('/', function (req, res) {
var config = {
server: 'localhost\\SQLEXPRESS2008',
database: 'TestingDB'
};
// connect to your database
sql.connect(config, function (err) {
if (err) console.log(err);
// create Request object
var request = new sql.Request();
// query to the database and get the records
request.query('select * from userform', function (err, recordset) {
if (err) console.log(err)
// send records as a response
res.send(recordset);
console.log(recordset);
});
});
}))
请建议我在命令提示符下运行此命令后连接sql并获取此错误
服务器正在运行。。在端口8020上
{错误:无法连接到本地主机:15000ms内未定义
at Connection.tedious.once.err (D:\Nodejs\UsersCreate\node_modules\mssql\lib\tedious.js:216:17)
at Object.onceWrapper (events.js:293:19)
at emitOne (events.js:96:13)
at Connection.emit (events.js:191:7)
at Connection.connectTimeout (D:\Nodejs\UsersCreate\node_modules\tedious\lib\connection.js:795:12)
at ontimeout (timers.js:386:14)
at tryOnTimeout (timers.js:250:5)
at Timer.listOnTimeout (timers.js:214:5)
code: 'ETIMEOUT',
originalError:
{ ConnectionError: Failed to connect to localhost:undefined in 15000ms
at ConnectionError (D:\Nodejs\UsersCreate\node_modules\tedious\lib\errors.js:12:12)
at Connection.connectTimeout (D:\Nodejs\UsersCreate\node_modules\tedious\lib\connection.js:795:28)
at ontimeout (timers.js:386:14)
at tryOnTimeout (timers.js:250:5)
at Timer.listOnTimeout (timers.js:214:5)
message: 'Failed to connect to localhost:undefined in 15000ms',
code: 'ETIMEOUT' },
name: 'ConnectionError' }
{ ConnectionError: Connection is closed.
at Request._query (D:\Nodejs\UsersCreate\node_modules\mssql\lib\base.js:1299:37)
at Request._query (D:\Nodejs\UsersCreate\node_modules\mssql\lib\tedious.js:497:11)
at Request.query (D:\Nodejs\UsersCreate\node_modules\mssql\lib\base.js:1242:12)
at D:\Nodejs\UsersCreate\app.js:118:17
at _poolCreate.then.catch.err (D:\Nodejs\UsersCreate\node_modules\mssql\lib\base.js:269:7) code: 'ECONNCLOSED', name: 'ConnectionError' }
undefined
这可能有助于:
let QueryDB = {
Query_SelectAll: 'SELECT [COLUMN] \
, [COLUMN] \
, [COLUMN] \
FROM [DATABASE].[dbo].[TABLE_NAME]',
Query_Delete: 'DELETE FROM [DATABASE].[dbo].[TABLE_NAME] WHERE COLUMN = '
};
我将所有查询放在一个对象中,以简化对我的使用
let ConnectionString = {
user: 'YOUR_DBUSER',
password: '****',
server: '0.0.000.00',
options: {
instance: 'YOURINSTANCE',
database: 'DATABASE_NAME'
}
};
在server属性中,在添加带有实例和数据库名称的选项之后,我放置了服务器IP
function SQL_Server(Query, ret) {
sql.close();
sql.connect(ConnectionString).then(() => {
console.log("Connected");
return request(Query, ret);
}).catch((error) => {
console.log("Connect error");
console.error(error);
sql.close();
});
}
function request(Query, ret) {
let returning = undefined;
let request = new sql.Request();
(request.query(Query).then((recordset) => {
sql.close();
returning = recordset.recordset;
}).catch((error) => {
console.error(error);
sql.close();
})).then(() => {
if (ret != undefined)
ret(returning);
console.log("Successful object return");
});
}
这些是我的连接和请求功能
module.exports.SQL_Server = SQL_Server;
module.exports.QueryDB = QueryDB;
因此,我导出模块以使用函数
module.exports.SQL_Server = SQL_Server;
module.exports.QueryDB = QueryDB;
使用以下各项的示例:
let DataBase = require("./Connection_Query");
let FuncSql = DataBase.SQL_Server;
let SQL = DataBase.QueryDB;
APP.get(ProjectName + '/Home', (req, resp) => {
FuncSql(SQL.Query_SelectAll, (rec) => {
resp.render("Home", { YourObjects: rec });
});
});
假设您使用这个答案来指导您。您必须在config.options.instanceName中编写数据库实例
var config = {
server: 'localhost\\SQLEXPRESS2008',
database: 'TestingDB'
};
相反:
const config = {
user: '...',
password: '...',
server: 'localhost',
database: 'TestingDB',
options: {
encrypt: false, // Use this if you're on Windows Azure
instanceName: 'SQLEXPRESS2008'
}
};
你可能想看看这个。