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split的用法

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QYYEE 5 anos atrás
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      后端/C#基础/Split的用法.md

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后端/C#基础/Split的用法.md Ver arquivo

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+> 字符串的处理离不开split方法
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+- 对单个字符进行分割(注意这里是字符,不是字符串,故只能用单引号‘’) 
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+```
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+string s=abcdeabcdeabcde;
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+string[] sArray=s.Split('c') ;
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+foreach(string i in sArray)
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+Console.WriteLine(i.ToString());
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+
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+输出结果为:ab deab deab de
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+```
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+- 对多个字符进行分割
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+```
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+string s="abcdeabcdeabcde";
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+string[] sArray1=s.Split(new char[3]{'c','d','e'}) ;
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+foreach(string i in sArray1)
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+Console.WriteLine(i.ToString());
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+
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+输出结果为:ab ab ab
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+```
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+- 使用正则表达式
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+```
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+using System.Text.RegularExpressions;
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+string str="aaajsbbbjsccc";
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+string[] sArray=Regex.Split(str,"js",RegexOptions.IgnoreCase);
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+foreach (string i in sArray) Response.Write(i.ToString());
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+
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+输出结果为:aaa bbb ccc
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+```
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+
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+- 项目中使用到split方法
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+
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+```
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+  model.SceneName = scene.Name.Split(',')[0];
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+                model.TriggerMode = GetTriggerName(scene.Name.Split(',')[1]);
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+```
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+```
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+string[] kg= kaiguanIds.Split(',');
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+ foreach (var item in kg)
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+ {
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+     var scenekaiguan =new SceneKaiGuanItemViewModel();
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+     var kaiguanId = item.Split('_')[0];
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+     var kaiguanStatus = item.Split('_')[1];
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+ }
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+[0]第一个元素
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+[1]第二个元素
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+```

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