private void button3_Click(object sender, EventArgs e)
{
BinaryWriter bw;
FileStream fs = new FileStream("c:\\mydata.data", FileMode.Create);
bw = new BinaryWriter(fs);
for (int i = 0; i < 200; i++)
bw.Write("dgdfgdfgdfg");//写入
bw.Close();//关闭 } private void button4_Click(object sender, EventArgs e)
{
BinaryReader br;
string str = "";
FileStream fs = new FileStream("c:\\mydata.data", FileMode.Open);
br = new BinaryReader(fs);
for (int i = 0; i < fs.Length / 4; i++)
str += br.ReadInt32().ToString();
textBox2.Text = str;
} 读出来全是:168449741917178561021734763623168449741917178561021734763623168449741917178561021734763623168449741917178561021734763623168449741917178561021734763623.......我想问一下,怎么样将读出来的数据转换为写进去的数据呢
{
BinaryWriter bw;
FileStream fs = new FileStream("c:\\mydata.data", FileMode.Create);
bw = new BinaryWriter(fs);
for (int i = 0; i < 200; i++)
bw.Write("dgdfgdfgdfg");//写入
bw.Close();//关闭 } private void button4_Click(object sender, EventArgs e)
{
BinaryReader br;
string str = "";
FileStream fs = new FileStream("c:\\mydata.data", FileMode.Open);
br = new BinaryReader(fs);
for (int i = 0; i < fs.Length / 4; i++)
str += br.ReadInt32().ToString();
textBox2.Text = str;
} 读出来全是:168449741917178561021734763623168449741917178561021734763623168449741917178561021734763623168449741917178561021734763623168449741917178561021734763623.......我想问一下,怎么样将读出来的数据转换为写进去的数据呢
立即成为编程经验丰富的程序员不是梦,详见:http://www.psec.net.cn6、在Form1.cs的视图设计器中,选中button1,在属性框中选中事件,双击Click,在Form1.cs的代码设计器中,添加修改如下代码
private void button1_Click(object sender, EventArgs e)
{
SaveFileDialog SaveFileDialog1 = new SaveFileDialog();
if (SaveFileDialog1.ShowDialog() == DialogResult.OK)
{
FileStream FS = new FileStream(SaveFileDialog1.FileName, FileMode.Create);//文件不存在则新建
BinaryWriter BWriter = new BinaryWriter(FS);//以二进制打开文件流
byte[] buffer = Encoding.Default.GetBytes(richTextBox1.Text);//可以用不同的字符编码
BWriter.Write(buffer, 0, buffer.Length);
BWriter.Close();
FS.Close();
MessageBox.Show(this, "写入文件完成。", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
7、在Form1.cs的视图设计器中,选中button2,在属性框中选中事件,双击Click,在Form1.cs的代码设计器中,添加修改如下代码
private void button2_Click(object sender, EventArgs e)
{
OpenFileDialog OpenFileDialog = new OpenFileDialog();
if (OpenFileDialog.ShowDialog() == DialogResult.OK)
{
FileStream FS = new FileStream(OpenFileDialog.FileName, FileMode.OpenOrCreate);//打开文件流
BinaryReader BReader = new BinaryReader(FS);//以二进制读取文件
byte[] buffer = new byte[BReader.BaseStream.Length];
BReader.Read(buffer, 0, buffer.Length);//读取文件内容
richTextBox2.Text = Encoding.Default.GetString(buffer);//字符编码要与写入时相同
BReader.Close();
FS.Close();
MessageBox.Show(this, "读取文件完成。", "信息提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
写的什么就读什么!!
读字符串怎么会用ReadInt32