ADD file via upload

xinya
pfu2aoslz 4 years ago
parent df37c2c0eb
commit cd33808ce0

@ -0,0 +1,27 @@
package com.dao;
import java.sql.*;
import javax.sql.DataSource;
import javax.naming.*;
public interface Dao {
public static DataSource getDataSource(){
DataSource dataSource = null;
try {
Context context = new InitialContext();
dataSource =
(DataSource)context.lookup("java:comp/env/jdbc/webstoreDS");
}catch(NamingException ne){
System.out.println("异常:"+ne);
}
return dataSource;
}
public default Connection getConnection() throws SQLException {
DataSource dataSource = getDataSource();
Connection conn = null;
try{
conn = dataSource.getConnection();
}catch(SQLException sqle){
System.out.println("异常:"+sqle);
}
return conn;
}
}
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