实现效果:
知识运用:
StramWrite类的构造方法和Write方法
实现代码:
private void button2_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(textBox1.Text.Trim())) { MessageBox.Show("文件还未选择"); return; } if (string.IsNullOrEmpty(textBox2.Text.Trim())) { MessageBox.Show("内容不能为空"); return; } try { StreamWriter sw = new StreamWriter(textBox1.Text,true); sw.Write(textBox2.Text); sw.Close(); MessageBox.Show("文件写入成功!"); } catch (Exception ex) { MessageBox.Show(ex.Message); } }