一:@
@的意思是以@标注的字符出,其中所有的符号均为字符串符号,没有什么特殊字符,如''什么的,均默认为字符串
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static void Main( string [] args) { //这样就很方便写读取的文件路径,也不需要什么转义字符了 StreamReader sr = new StreamReader( @"C:\Users\WANGWI8\Desktop\testStreamRead.txt" ); string line; while ( (line = sr.ReadLine()) != null ) { Console.WriteLine(line); } } |
二:$
$的意思是以它标注的字符串中,可用中括号取值:
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static void Main( string [] args) { var name = Console.ReadLine(); var date = DateTime.Now; var result = $ "hello {name} , you are my father , i am your son , writed at {date}" ; Console.WriteLine(result); var item2 = ( name: "william" , sex: 'f' ); Console.WriteLine($ "this is item : item.name : {item2.name} , this is sex : {item2.sex}" ); var inventory = new Dictionary< string , int >() { [ "hammer, ball pein" ] = 18, [ "hammer, cross pein" ] = 5, [ "screwdriver, Phillips #2" ] = 14 }; Console.WriteLine($ "inventory on {DateTime.Now:d}" ); Console.WriteLine( " " ); //负号的意思是左对齐,一共占据25个字符的空间 Console.WriteLine($ "|{" item ",-25}|{" quantity ",10}|" ); foreach (var item in inventory) Console.WriteLine($ "|{item.Key,-25}|{item.Value,10}|" ); } |
总结
以上所述是小编给大家介绍的C#中的字符串拼接@ $,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持!
如果你觉得本文对你有帮助,欢迎转载,烦请注明出处,谢谢!
原文链接:https://blog.csdn.net/qq_40666620/article/details/101695138