C#的String.Split
方法String.Split 方法有6个重载函数：
程序代码

1. 1) public string[] Split(params char[] separator)
   
2. 
   
3. 2) public string[] Split(char[] separator, int count)
   
4. 
   
5. 3) public string[] Split(char[] separator, StringSplitOptions options)
   
6. 
   
7. 4) public string[] Split(string[] separator, StringSplitOptions options)
   
8. 
   
9. 5) public string[] Split(char[] separator, int count, StringSplitOptions options)
   
10. 
    
11. 6) public string[] Split(string[] separator, int count, StringSplitOptions options)

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下边我们通过一些实例来说明下怎么使用(以下string words = "1,2.3,,4";)：
1.

1. public string[] Split(params char[] separator)
   

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程序代码

1. string[] split = words.Split(new Char[] { ',' });//返回:{"1","2.3","","4"}
   
2. string[] split = words.Split(new Char[] { ',', '.' });//返回:{"1","2","3","","4"}
   

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2. public string[] Split(char[] separator, int count)
程序代码

1. string[] split = words.Split(new Char[] { ',', '.' }, 2);//返回:{"1","2.3,,4"}
   
2. string[] split = words.Split(new Char[] { ',', '.' }, 6);//返回:{"1","2","3","","4"}
   

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3.

1. public string[] Split(char[] separator, StringSplitOptions options)
   

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程序代码

1. string[] split = words.Split(new Char[] { ',', '.' }, StringSplitOptions.RemoveEmptyEntries);//返回:{"1","2","3","4"} 不保留空元素
   
2. string[] split = words.Split(new Char[] { ',', '.' }, StringSplitOptions.None);//返回:{"1","2","3","","4"} 保留空元素
   

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4.

1. public string[] Split(string[] separator, StringSplitOptions options)
   

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程序代码

1. string[] split = words.Split(new string[] { ",", "." }, StringSplitOptions.RemoveEmptyEntries);//返回:{"1","2","3","4"} 不保留空元素
   
2. string[] split = words.Split(new string[] { ",", "." }, StringSplitOptions.None);//返回:{"1","2","3","","4"} 保留空元素
   
3. 
   

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5.

1. public string[] Split(char[] separator, int count, StringSplitOptions options)
   

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程序代码

1. string[] split = words.Split(new Char[] { ',', '.' }, 2, StringSplitOptions.RemoveEmptyEntries);//返回:{"1","2.3,,4"} 不保留空元素
   
2. string[] split = words.Split(new Char[] { ',', '.' }, 6, StringSplitOptions.None);//返回:{"1","2","3","","4"} 保留空元素
   
3. 
   

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6.

1. public string[] Split(string[] separator, int count, StringSplitOptions options)
   

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程序代码

1. string[] split = words.Split(new string[] { ",", "." }, 2, StringSplitOptions.RemoveEmptyEntries);//返回:{"1","2.3,,4"} 不保留空元素
   
2. string[] split = words.Split(new string[] { ",", "." }, 6, StringSplitOptions.None);//返回:{"1","2","3","","4"} 保留空元素

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很详细，支持！

学习了！支持！

好东西 赞一个

很详细哇，支持LZ~~

好东西 支持了 以后用得到

好东西 支持了 以后用得到

很详细啊