C#的 string+=和string.Append()操作的比较

TheGentler

已于 2024-10-24 10:52:16 修改

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文章标签： 1024程序员节 c#

于 2024-10-24 10:51:42 首次发布

本文链接：https://blog.youkuaiyun.com/qq_43135356/article/details/143203082

版权

public void GetStringBulider()
        {
            DateTime beginTime = DateTime.Now;
            string str = "@";
            StringBuilder sb = new StringBuilder();
            for(int i = 0; i <100000; i++)
            {
                sb.Append(str);
            }
            DateTime endTime = DateTime.Now;
            TimeSpan oTime = endTime.Subtract(beginTime);
            label1.Text += beginTime.ToString();
            label4.Text += endTime.ToString();
            label6.Text += oTime.TotalMilliseconds.ToString();
        }
  public void GetString()
        {
            DateTime beginTime = DateTime.Now;
            string str = "";
            for (int i = 0; i < 100000; i++)
            {
                str += "@";
            }
            DateTime endTime = DateTime.Now;
            TimeSpan oTime = endTime.Subtract(beginTime);
            label2.Text += beginTime.ToString();
            label3.Text += endTime.ToString();
            label5.Text += oTime.TotalMilliseconds.ToString();
        }