Ejemplo de código del grupo de conexiones hikari

Uso de código del grupo de conexiones hikari

import java.sql.Connection;
import java.sql.SQLException;
 
import com.zaxxer.hikari.HikariConfig;
import com.zaxxer.hikari.HikariDataSource;
 
/**
 * HikariCP使用
 * @author CoolKing
 *
 */
public class DataSource {
    
    
	
	private HikariDataSource ds;
	
	/**
	 * 初始化连接池
	 * @param minimum
	 * @param Maximum
	 */
	public void init(int minimum,int Maximum){
    
    
		//连接池配置
		HikariConfig config = new HikariConfig();
		config.setDriverClassName("com.mysql.jdbc.Driver");
		config.setJdbcUrl("jdbc:mysql://127.0.0.1:3306/testdb?user=root&password=123456&useUnicode=true&characterEncoding=utf8");
		config.addDataSourceProperty("cachePrepStmts", true);
		config.addDataSourceProperty("prepStmtCacheSize", 500);
		config.addDataSourceProperty("prepStmtCacheSqlLimit", 2048);
		config.setConnectionTestQuery("SELECT 1");
		config.setAutoCommit(true);
		//池中最小空闲链接数量
		config.setMinimumIdle(minimum);
		//池中最大链接数量
		config.setMaximumPoolSize(Maximum);
		
		ds = new HikariDataSource(config);
		
	}
	
	/**
	 * 销毁连接池
	 */
	public void shutdown(){
    
    
		ds.shutdown();
	}
	
	/**
	 * 从连接池中获取链接
	 * @return
	 */
	public Connection getConnection(){
    
    
		try {
    
    
			return ds.getConnection();
		} catch (SQLException e) {
    
    
			e.printStackTrace();
			ds.resumePool();
			return null;
		}
	}
	
	public static void main(String[] args) throws SQLException {
    
    
		DataSource ds = new DataSource();
		ds.init(10, 50);
		Connection conn = ds.getConnection();
		//......
		//最后关闭链接
		conn.close();
	}
}