[AppleScript] 纯文本查看 复制代码
@Test
/**
* 查询操作
*/
public void demo4(){
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
try{
// 获得连接:
conn = JDBCUtils.getConnection();
// 编写SQL:
String sql = "select * from user";
// 预编译SQL:
pstmt = conn.prepareStatement(sql);
// 设置参数:
// 执行SQL:
rs = pstmt.executeQuery();
// 遍历结果集:
while(rs.next()){
System.out.println(rs.getInt("id")+" "+rs.getString("username")+" "+rs.getString("password")+" "+rs.getString("nickname"));
}
}catch(Exception e){
e.printStackTrace();
}finally{
JDBCUtils.release(rs, pstmt, conn);
}
}