NodeJs与MySQL交互数据-蒲公英云

NodeJs与MySQL交互数据

末蓝、 2022-09-23 03:46 204阅读 0赞

// mysqlTest.js 
//加载mysql Module 
var Client = require('mysql').Client, 
client = new Client(), 
　　 
　 //要创建的数据库名 
TEST_DATABASE = 'nodejs_mysql_test', 
//要创建的表名 
TEST_TABLE = 'test'; 
//用户名 
client.user = 'root'; 
//密码 
client.password = 'root'; 
//创建连接 
client.connect(); 
client.query('CREATE DATABASE '+TEST_DATABASE, function(err) { 
if (err && err.number != Client.ERROR_DB_CREATE_EXISTS) { 
throw err; 
} 
}); 
// If no callback is provided, any errors will be emitted as `'error'` 
// events by the client 
client.query('USE '+TEST_DATABASE); 
client.query( 
'CREATE TABLE '+TEST_TABLE+ 
'(id INT(11) AUTO_INCREMENT, '+ 
'title VARCHAR(255), '+ 
'text TEXT, '+ 
'created DATETIME, '+ 
'PRIMARY KEY (id))' 
); 
client.query( 
'INSERT INTO '+TEST_TABLE+' '+ 
'SET title = ?, text = ?, created = ?', 
['super cool', 'this is a nice text', '2010-08-16 10:00:23'] 
); 
var query = client.query( 
'INSERT INTO '+TEST_TABLE+' '+ 
'SET title = ?, text = ?, created = ?', 
['another entry', 'because 2 entries make a better test', '2010-08-16 12:42:15'] 
); 
client.query( 
'SELECT * FROM '+TEST_TABLE, 
function selectCb(err, results, fields) { 
if (err) { 
throw err; 
} 
console.log(results); 
console.log(fields); 
client.end(); 
});