博文

streamreader和streamwriter 例子(2007-09-18 10:39:00)

摘要:using System;
using System.Collections.Generic;
using System.Text;
using System.IO; namespace _5_4
{
    class Program
    {
        private const string path = "E:\\test2.txt";
        static void Main(string[] args)
        {
            StreamWriter sw = null;
            try
            {
                sw = createfile();
                writetext(sw);
                readtext(sw);
      ......

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filestream的一个例子(2007-09-16 23:40:00)

摘要:using System;
using System.Collections.Generic;
using System.Text;
using System.IO; namespace _5_2
{
    class Program
    {
                static void Main(string[] args)
        {
            string path = @"E:\test.txt";       //文件路径 ,在c#中,只要在字符串前加@就可以不用转义字符,也可以写成:string path="E:\\test.txt".第一个\表示转义字符,
            FileAccess access = FileAccess.Write;  //确定filestream对象访问文件的方式,有3种方式,另外2种分别为:read(只读)readwrite(读写)
            FileMode mode = FileMode.Create; //确定如何打开或创建文件,还有其他方式如:append(追加),open(打开)等,可以到msdn上找http://msdn2.microsoft.com/zh-cn/library/system.io.filemode(VS.80).aspx
      &n......

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MemoryStream 的一些例子(2007-09-16 21:34:00)

摘要:using System;
using System.Collections.Generic;
using System.Text;
using System.IO; namespace _5_1
{
    class Program
    {
        static void Main(string[] args)
        {
            Stream s = null;
            try
            {
                s = new MemoryStream();
                writestream(s);                                        ......

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int byte【】数组转换(2007-09-16 16:46:00)

摘要:using System;
using System.Collections.Generic;
using System.Text; namespace test
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(sizeof(int));
            Console.WriteLine(sizeof(ushort));
            Console.WriteLine(sizeof(uint));
            int u1 = 300;
            byte[] buffer = BitConverter.GetBytes(u1);  //int类型,转换为byte数组
            for (int i = 0; i < buffer.Length; i++)
           ......

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