connection file

连接/DBHelper.java

@@ -0,0 +1,36 @@
+package com.db;
+
+import java.sql.*;
+
+public class DBHelper {	
+	//private String dbUrl="jdbc:mysql://localhost:3306/sushe";
+	private String dbUrl="jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8&useSSL=false&serverTimezone=GMT";
+	private String dbUser="root";
+	private String dbPassword="123456";
+	//private String jdbcName="com.mysql.jdbc.Driver";
+	private String jdbcName="com.mysql.cj.jdbc.Driver" ;
+	//String driver = "com.mysql.cj.jdbc.Driver" ;
+	//String url = "jdbc:mysql://127.0.0.1:3306/test";
+	//String url="jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8&useSSL=false&serverTimezone=GMT";
+	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD>
+	public Connection getConn(){
+		Connection conn = null;
+		try{
+			Class.forName(jdbcName);
+		}
+		catch(Exception e){}
+		try{
+			conn=DriverManager.getConnection(dbUrl,dbUser,dbPassword);
+		}
+		catch(SQLException ex){}
+		return conn;		
+	}
+	
+//    <20><><EFBFBD><EFBFBD>
+	public static void main(String[] args)
+	{
+		System.out.println(new DBHelper().getConn());
+		
+	}
+	
+}