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CREATE TABLE `cairngormdemo`.`T_FriendInfo` (
`fid` INTEGER UNSIGNED NOT NULL AUTO_INCREMENT,
`fname` VARCHAR(45) NOT NULL,
`ftel` VARCHAR(45) NOT NULL,
PRIMARY KEY (`fid`)
)
ENGINE = InnoDB;
 
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MysqlConnection.java:
 package com.gy.demo;
//µ¼ÈësqlÀà
import java.sql.Connection;
import java.sql.DriverManager;
public class MysqlConnection {
//¶¨Ò徲̬µÄʵÀý£¬¸ÃʵÀýÊdzÌÐòÔËÐÐʱµÄΨһʵÀý
private static MysqlConnection instance;

private MysqlConnection() {
//µ÷ÓÃÊý¾Ý¿âÇý¶¯
try {
Class.forName("com.mysql.jdbc.Driver");
}catch(ClassNotFoundException e) {
e.printStackTrace();
}
}
//¶ÔÍâ½Ó¿Ú£¬»ñµÃΨһʵÀý
public static MysqlConnection GetInstance() {
if(instance == null) {
instance = new MysqlConnection();
}
return instance;
}
//»ñµÃÊý¾Ý¿âÁ¬½Ó
public Connection GetConnection() throws java.sql.SQLException {
//¶¨ÒåÊý¾Ý¿âÐÅÏ¢
String dbServer = "localhost";
String dbName = "CairngormDemo";
String dbUser = "root";
String dbPass = "860116";
//¹¹ÔìÁ¬½Ó×Ö·û´®£¬ÉèÖñàÂë
String connStr = "jdbc:mysql://"+dbServer+"/"+dbName+"?user="+dbUser+"&password="+dbPass+"&useUnicode=true&characterEncoding=utf8";
//·µ»ØÁ¬½Ó
return DriverManager.getConnection(connStr);
}
}
DemoService.java
package


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