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时尚设计
法律系StringBuilder.ToString() 方法在 C# 中
StringBuilder.ToString() 方法用于将 StringBuilder 的值转换成 String。
语法
语法如下 −
public override string ToString (); public string ToString (int begnIndex, int len);
以上，参数 begnIndex 是此实例中 substring 的起始位置，而 len 是 substring 的长度。
示例
我们现在来看一个示例 −
using System;
using System.Text;
public class Demo{
public static void Main(){
StringBuilder strBuilder = new StringBuilder("Katie");
Console.WriteLine("String = "+strBuilder.ToString());
Console.WriteLine("
StringBuilder capacity = "+strBuilder.Capacity);
Console.WriteLine("StringBuilder length = "+strBuilder.Length);
strBuilder.EnsureCapacity(35);
Console.WriteLine("
StringBuilder capacity= "+strBuilder.Capacity);
Console.WriteLine("StringBuilder length = "+strBuilder.Length);
strBuilder.EnsureCapacity(0);
strBuilder.Length = 0;
Console.WriteLine("
StringBuilder capacity= "+strBuilder.Capacity);
Console.WriteLine("StringBuilder length = "+strBuilder.Length);
}
}输出
将生成以下输出 −
String = Katie StringBuilder capacity = 16 StringBuilder length = 5 StringBuilder capacity= 35 StringBuilder length = 5 StringBuilder capacity= 35 StringBuilder length = 0
示例
我们现在来看另一个示例 −
using System;
using System.Text;
public class Demo{
public static void Main(){
StringBuilder strBuilder = new StringBuilder("TomHanks");
Console.WriteLine("StringBuilder = "+strBuilder.ToString());
Console.WriteLine("String = "+strBuilder.ToString(3, 5));
Console.WriteLine("
StringBuilder capacity = "+strBuilder.Capacity);
Console.WriteLine("StringBuilder length = "+strBuilder.Length);
strBuilder.EnsureCapacity(35);
Console.WriteLine("
StringBuilder capacity= "+strBuilder.Capacity);
Console.WriteLine("StringBuilder length = "+strBuilder.Length);
strBuilder.EnsureCapacity(0);
strBuilder.Length = 0;
Console.WriteLine("
StringBuilder capacity= "+strBuilder.Capacity);
Console.WriteLine("StringBuilder length = "+strBuilder.Length);
}
}输出
将生成以下输出 −
StringBuilder = TomHanks String = Hanks StringBuilder capacity = 16 StringBuilder length = 8 StringBuilder capacity= 35 StringBuilder length = 8 StringBuilder capacity= 35 StringBuilder length = 0
更新日期： 03-12-2019
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