<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[qq_36074362的博客]]></title><description><![CDATA[]]></description><link>https://blog.youkuaiyun.com/qq_36074362</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; qq_36074362]]></copyright><item><title><![CDATA[房屋小区管理系统   XML 解析]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/61619264</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/61619264</guid><author>qq_36074362</author><pubDate>Sun, 12 Mar 2017 16:16:10 +0800</pubDate><description><![CDATA[namespace Room__居委会
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        //定义一个方法读取XML文件
        public void ReadXmlToTV]]></description><category></category></item><item><title><![CDATA[各种编码之间的区别  用法  总结]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/60469465</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/60469465</guid><author>qq_36074362</author><pubDate>Sun, 05 Mar 2017 17:32:13 +0800</pubDate><description><![CDATA[1.  ASCII和Ansi编码
    字符内码(charcter code)指的是用来代表字符的内码.读者在输入和存储文档时都要使用内码,内码分为 
    单字节内码 -- Single-Byte character sets (SBCS),可以支持256个字符编码. 
    双字节内码 -- Double-Byte character sets)(DBCS),可以支持65000个字符编码]]></description><category></category></item><item><title><![CDATA[大型文件资源管理器  模拟电脑]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/60469276</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/60469276</guid><author>qq_36074362</author><pubDate>Sun, 05 Mar 2017 17:23:32 +0800</pubDate><description><![CDATA[using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.W]]></description><category></category></item><item><title><![CDATA[网络电视精灵  完整版]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/60462784</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/60462784</guid><author>qq_36074362</author><pubDate>Sun, 05 Mar 2017 08:47:10 +0800</pubDate><description><![CDATA[namespace _08_电视精灵
{
    public class ChannelFactory
    {
        public static ChannelBase CreateChannel(string type)
        {
            ChannelBase channel = null;

            switch (type)
   ]]></description><category></category></item><item><title><![CDATA[里氏替换的设计原则]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/59007231</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/59007231</guid><author>qq_36074362</author><pubDate>Wed, 01 Mar 2017 08:41:59 +0800</pubDate><description><![CDATA[当使用继承时，遵循里氏替换原则。类B继承类A时，除添加新的方法完成新增功能P2外，尽量不要重写父类A的方法，也尽量不要重载父类A的方法。

         继承包含这样一层含义：父类中凡是已经实现好的方法（相对于抽象方法而言），实际上是在设定一系列的规范和契约，虽然它不强制要求所有的子类必须遵从这些契约，但是如果子类对这些非抽象方法任意修改，就会对整个继承体系造成破坏。而里氏替换原则就是表达了这]]></description><category></category></item><item><title><![CDATA[.NET 第六章 上机四  多态计算机]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/57408022</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/57408022</guid><author>qq_36074362</author><pubDate>Sun, 26 Feb 2017 12:28:32 +0800</pubDate><description><![CDATA[namespace _06_上机四_计算器
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();

            this.comb.SelectedIndex = 0;

        }

        pr]]></description><category></category></item><item><title><![CDATA[.NET 第六章 上机二  实现工作汇报]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/56844615</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/56844615</guid><author>qq_36074362</author><pubDate>Fri, 24 Feb 2017 16:43:29 +0800</pubDate><description><![CDATA[namespace _06_实现工作汇报_上机练习二
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            Init();

        }

        private void Form1_]]></description><category></category></item><item><title><![CDATA[.NET  第六章 上机一  模拟汽车行驶]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/56844149</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/56844149</guid><author>qq_36074362</author><pubDate>Fri, 24 Feb 2017 16:29:16 +0800</pubDate><description><![CDATA[namespace _06_上机练习1_模拟汽车行驶
{
    class SmallTruck:Truck
    {

        //继承的传递性
        //构造函数 
        public SmallTruck(string type,string place) :base(type,place){} 

         public override void ]]></description><category></category></item><item><title><![CDATA[SQL高级 第八章 酒店管理系统]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/56844011</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/56844011</guid><author>qq_36074362</author><pubDate>Fri, 24 Feb 2017 16:25:17 +0800</pubDate><description><![CDATA[--创建Hotel数据库
use master
go
if exists (select * from sysdatabases where name='Hotel')
drop database Hotel
create database Hotel
on primary 
(
  name='Hotel_data',
  filename='D:\Project_S2\Hotel_data.m]]></description><category></category></item><item><title><![CDATA[SQL高级  第七章 存储过程]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/56843749</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/56843749</guid><author>qq_36074362</author><pubDate>Fri, 24 Feb 2017 16:23:42 +0800</pubDate><description><![CDATA[作业：

*2.存储过程实现分页 @page为第几页 @row为每页多少行
*/
IF EXISTS (SELECT * FROM sysobjects WHERE NAME='proc_page')
 DROP PROCEDURE proc_page
GO

CREATE PROCEDURE proc_page
	@page int,
	@row int =10
  As
    DECLA]]></description><category></category></item><item><title><![CDATA[SQL高级  第六章  7    储存过程]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/56843667</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/56843667</guid><author>qq_36074362</author><pubDate>Fri, 24 Feb 2017 16:15:06 +0800</pubDate><description><![CDATA[BEGIN TRANSACTION
DECLARE @errorSum INT
SET @errorSum=0
/*--插入数据--*/
INSERT INTO Result(StudentNo,SubjectNo,ExamDate,StudentResult)
            VALUES(1,1,GETDATE(),90)
SET @errorSum=@errorSum+@@error]]></description><category></category></item><item><title><![CDATA[SQL高级  第五章  我的租房网]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/56843163</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/56843163</guid><author>qq_36074362</author><pubDate>Fri, 24 Feb 2017 15:57:49 +0800</pubDate><description><![CDATA[use HOUSE
select * from hos_house  --房间信息表
select * from hos_district  --区县表
select * from hos_street    --街道表
select * from hos_type    --房间类型表

--1.内容扩充：临时表
--如果表名前面有#，那么创建的表是临时表，位于tempdb数据库下
--的临时表]]></description><category></category></item><item><title><![CDATA[SQL高级  第四章 高级查询]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/56843091</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/56843091</guid><author>qq_36074362</author><pubDate>Fri, 24 Feb 2017 15:55:09 +0800</pubDate><description><![CDATA[作业：------------------------------------------------------------------------
--关键字 " in "  返回多条记录

select StudentName from student where LoginPwd in
(select LoginPwd from student  where LoginPwd='11111]]></description><category></category></item><item><title><![CDATA[SQL 高级  第三章 SQL编程]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/56842895</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/56842895</guid><author>qq_36074362</author><pubDate>Fri, 24 Feb 2017 15:51:06 +0800</pubDate><description><![CDATA[九九乘法表：

DECLARE @i int
DECLARE @j int
DECLARE @str varchar(110)

SET  @i=1

WHILE  @i<10
  BEGIN

     SET  @j=1
     SET @str=''
     WHILE @j<=@i
        BEGIN

          SET @str= @str+CAST(@i AS v]]></description><category></category></item><item><title><![CDATA[SQL高级   第二章  数据库的实现]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/56842834</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/56842834</guid><author>qq_36074362</author><pubDate>Fri, 24 Feb 2017 15:43:20 +0800</pubDate><description><![CDATA[--建立数据库 Library
use master
if exists (select * from sysdatabases  where name='Library')
drop database Library

Create database Library
on primary --主文件的标志
(
name='Library_data',--逻辑名称
filename='D:\\Li]]></description><category></category></item><item><title><![CDATA[SQL高级    第一章  数据库的设计]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/56842687</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/56842687</guid><author>qq_36074362</author><pubDate>Fri, 24 Feb 2017 15:37:28 +0800</pubDate><description><![CDATA[01.简述数据库完整性及其作用？
解析：数据的准确性，保证数据中数据的准确性。
  02.基本操作语句(DML DDL DCL)有哪些？语法是？
DML（data manipulation language）：自动提交的数据库操作语言
       它们是SELECT、UPDATE、INSERT、DELETE，就象它的名字一样
DDL（data definition language）：自动提交的]]></description><category></category></item><item><title><![CDATA[SQL高级  第九章  9    银行ATM存取款机系统]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/56479103</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/56479103</guid><author>qq_36074362</author><pubDate>Wed, 22 Feb 2017 09:05:34 +0800</pubDate><description><![CDATA[create procedure usp_takeMoney 
  @card char(19),             --卡号
  @m money,                   --交易金额,（我存入的钱或取出的钱）
  @type char(4),              --支取，存入（交易类型）
  @inputPass char(6)=''       --密码
 AS]]></description><category></category></item><item><title><![CDATA[队列 和 栈  的区别  剖析]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/55805346</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/55805346</guid><author>qq_36074362</author><pubDate>Sun, 19 Feb 2017 16:05:53 +0800</pubDate><description><![CDATA[1.队列先进先出，栈先进后出。
       2. 对插入和删除操作的"限定"。 栈是限定只能在表的一端进行插入和删除操作的线性表。      队列是限定只能在表的一端进行插入和在另一端进行删除操作的线性表。     从"数据结构"的角度看，它们都是线性结构，即数据元素之间的关系相同。但它们是完全不同的数据类型。除了它们各自的基本操作集不同外，主要区别是对插入和删除操作的"限定"。     栈和队]]></description><category></category></item><item><title><![CDATA[递归   的分析总结]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/55804063</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/55804063</guid><author>qq_36074362</author><pubDate>Sun, 19 Feb 2017 14:11:55 +0800</pubDate><description><![CDATA[namespace _03_05递归
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(Change(8));
        }

        private static int Change(int age)
        {]]></description><category></category></item><item><title><![CDATA[Star UML  九种图   分析]]></title><link>https://blog.youkuaiyun.com/qq_36074362/article/details/55803932</link><guid>https://blog.youkuaiyun.com/qq_36074362/article/details/55803932</guid><author>qq_36074362</author><pubDate>Sun, 19 Feb 2017 14:02:56 +0800</pubDate><description><![CDATA[UML（统一建模语言）：是面向对象的可视化建模语言。

UML中有3种构造块：事物、关系和图，事物是对模型中最具有代表性的成分的抽象，
                  关系是把事物结合在一起，图聚集了相关的事物

UML中有九种图如下：

1、用例图

    描述角色以及角色与用例之间的连接关系。
    说明的是谁要使用系统，以及他们使用该系统可以做些什么。

2、类图

    类图是描]]></description><category></category></item></channel></rss>