mysqld.exe能关闭吗

能。

根据zol问答官方资料显示，mysqld.exe是系统安装了mysql之后才会有的进程，架设服务器才需要的，不需要的时候可以关闭。

MySQLforWindows设置默认开机自动启动，一定程度上将导致电脑开机时，系统需要花更多的时间和精力。

//建议你还是装个 mysql 吧~~ ,小而精悍.维护也好,给个连接mysql的例子先~~

import java.io.File

import java.io.FileInputStream

import java.net.URI

import java.sql.*

import java.util.PropertyResourceBundle

public class MySqlConnector {

/*

* 先在该class文件目录下新建一个dbCon.ini

* 如:eclipse 则 your project/bin/dbCon.ini

* 内容 如下：

* userName=你的数据库用户名

* password=你的数据库用户密码

* database=要连接的数据库名称

*/

private static final String CON_NAME = "userName"

private static final String CON_PASS = "password"

private static final String CON_DNAME = "databaseName"

private Connection connection = null

private MySqlConnector() {

}

public static MySqlConnector getInstance() {

return new MySqlConnector()

}

private boolean dataInit() {

boolean isOK = false

String userName = null

String password = null

String databaseName = null

PropertyResourceBundle rBoundle = null

try {

String conPath = MySqlConnector.class.getResource("/").toString() + "/dbCon.ini"

URI uri = new URI(conPath)

File file = new File(uri)

rBoundle = new PropertyResourceBundle(new FileInputStream(file))

userName = rBoundle.getString(MySqlConnector.CON_NAME)

password = rBoundle.getString(MySqlConnector.CON_PASS)

databaseName = rBoundle.getString(MySqlConnector.CON_DNAME)

String url

url = "jdbc:mysql://localhost/" + databaseName + "?user="

+ userName + "&password=" + password

System.out.println(url)

Class.forName("com.mysql.jdbc.Driver")

connection = DriverManager.getConnection(url)

isOK = true

} catch (Exception e) {

e.printStackTrace()

isOK = false

}

return isOK

}

public Connection getConnection() {

if (dataInit()) {

return connection

} else {

return null

}

}

public static void main(String [] args){

MySqlConnector.getInstance().getConnection()

}

public void close() {

if (connection != null) {

try {

connection.close()

} catch (SQLException e) {

e.printStackTrace()

}

}

}

}

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