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package com.zky.util.jdbc;
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import java.sql.Connection;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.List;
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public class JDBCUtilsExample {
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/**
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* @param args
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*/
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public static void main(String[] args) {
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Connection conn = null;
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try {
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//例子1 查询a=ta and b=1
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//直接传递参数"ta",new Integer(1)
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String sql = "SELECT * FROM tab_test WHERE a=? and b = ?";
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List list = (List) JDBCUtils.query(conn,sql, "ta",new Integer(1),new ListResultSetHandler());
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//或者 将参数作为数组传入
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list = (List) JDBCUtils.query(conn,sql, new Object[]{"tttt",new Integer(1)},
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new ListResultSetHandler());
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//例子2
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sql = "update tab_test set a=? where b=?";
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JDBCUtils.update(conn,sql,"12121",new Integer(2005));
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//或者
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JDBCUtils.update(conn,sql,new Object[]{"12121",new Integer(2005)});
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conn.commit();
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//例子3，使用一个匿名类来直接处理ResultSet
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//注意外部变量要在匿名类内使用，必须申明成final的
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//申明成final的变量不能放在等号左边使用，呵呵。
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final StringBuffer curDate = new StringBuffer("") ;
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sql = "select date_format(now(),'%Y-%m-%d') from dual";
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JDBCUtils.query(conn,sql,new ResultSetHandler(){
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public Object handle(ResultSet rs) throws SQLException{
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while(rs.next()){
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curDate.append(rs.getString(1));
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}
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return null;
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}
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}
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);
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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JDBCUtils.close(conn);
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}
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}
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}
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