C#温度转换功能
安静点DGC 人气:0界面图
代码
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.Windows.Forms; namespace WindowsFormsApplication4 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { float x; double y; try { //Single.Parse(textBox1.Text);将字符串类型数值转换成等效单精度浮点数值 x = Single.Parse(textBox1.Text); y = getValue(x); label2.Text = "" + y; } catch (MyException ee) { label2.Text = ee.Message; } catch (FormatException ee) { label2.Text = ee.Message; } } private double getValue(float x) { double y; if (x < -273.15f) throw new MyException(); y = x * 1.8f + 32; return y; } class MyException : ApplicationException { public MyException() : base("温度超出范围") { } } private void textBox1_TextChanged(object sender, EventArgs e) { } } }
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