INSERT INTO users (name, email) VALUES ('Bob', 'bob@example.com');`;connection.query(sql,(err,results)=>{if(err)throwerr;console.log('Inserted rows:',results);});}); 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24...
3. 删除数据 通过connection.query()方法删除满足条件的数据记录。例如：var sql = `DELETE FROM your_table_name WHERE id =?`;connection.query(sql, 1, (error, results, fields) => {if (error) return console.error(error.message);console.log('Deleted Row(s):', results.affectedRows);});五、...
arjun@arjun-VPCEH26EN:~/workspace/nodejs$nodeMultipleInsertExample.jsOkPacket{fieldCount:0,affectedRows:3,insertId:0,serverStatus:2,warningCount:0,message:'&Records: 3 Duplicates: 0 Warnings: 0',protocol41:true,changedRows:0}Numberofrowsaffected:3Numberofrecordsaffectedwithwarning:0MessagefromMySQLSe...
如果您使用的是一个查询,它就像构建一个INSERT查询一样简单。 //Start the querylet query= 'INSER INTO (hash, gameResult) VALUES ';//Add multiple rows from the arrayfor (let aGame of previousGames) query+= `( "${aGame.gameHash}", ${aGame.gameResult}), `//Remove the last commaquery= ...
var mysql = require('mysql'); //创建连接池 var pool = mysql.createPool({ host : 'localhost', user : 'root', password : 'nfq123456', database: 'udata', multipleStatements: true }); pool.query('select * from user', function(error, rows){ console.log(rows); }); 1. 2. 3. 4...
console.log("Number of records inserted: "+ result.affectedRows); }); }); Run example » Save the code above in a file called "demo_db_insert_multple.js", and run the file: Run "demo_db_insert_multiple.js" C:\Users\Your Name>node demo_db_insert_multiple.js ...
connection.query('select * from xmmember',function(err, rows) {//account 用户账户表if(err)throwerr;vartempAccount = $.map(rows,function(c) {return{ id: c.ID, name: c.m_username, password: c.m_userpass, surePassword: c.m_userpass, qq: c.qq } }); fs.writeFile(path.join(__...
$nodetest.js---INSERT---INSERT ID:OkPacket{fieldCount:0,affectedRows:1,insertId:6,serverStatus:2,warningCount:0,message:'',protocol41:true,changedRows:0}--- 执行成功后,查看数据表,即可以看到添加的数据: 更新数据 我们也可以对数据库的数据进行修改: 更新数据 varmysql =require('mysql');varconn...
limit Number A number specifying the maximum number of rows to return. offset Number A number specifying the offset of the first row to return. options Object An object specifying additional options for the query. Can be referenced in Update Options. findOne const [user] = await userModel .fin...
// all rows have been received }); 13、混合查询语句(多语句查询) 因为混合查询容易被SQL注入攻击,默认是不允许的,可以使用: var connection = mysql.createConnection({multipleStatements: true}); 开启该功能。 混合查询实例: connection.query('SELECT 1; SELECT 2', function(err, results) { ...