{"id":774,"date":"2021-09-14T14:14:43","date_gmt":"2021-09-14T14:14:43","guid":{"rendered":"http:\/\/gongyikun.cn\/?p=774"},"modified":"2021-09-23T01:52:53","modified_gmt":"2021-09-23T01:52:53","slug":"c%e7%bc%96%e7%a8%8b_2","status":"publish","type":"post","link":"https:\/\/blog.gongyikun.cn\/?p=774","title":{"rendered":"c#\u7f16\u7a0b_2"},"content":{"rendered":"

1\u3001\u5b57\u6bb5<\/h3>\n

\u5b57\u6bb5\u4ee5”_”\u5f00\u5934\u3002\u4f8b\u5982\uff1a<\/p>\n

public static string _name;\n<\/code><\/pre>\n
this\u4ee3\u8868\u5f53\u524d\u7c7b\u7684\u5bf9\u8c61\uff1b<\/p>\n
\u7c7b\u662f\u4e0d\u5360\u5185\u5b58\u7684\uff0c\u5b9e\u4f8b\u5316\u7684\u5bf9\u8c61\u624d\u662f\u5360\u5bf9\u8c61\u7684\u3002<\/p>\n
2\u3001\u5c5e\u6027<\/h3>\n
\u5c5e\u6027\u4f5c\u7528\u662f\u4fdd\u62a4\u5b57\u6bb5\uff0c\u5bf9\u5b57\u6bb5\u7684\u8d4b\u503c\u548c\u53d6\u503c\u8fdb\u884c\u9650\u5b9a\u3002
\n\u5c5e\u6027\u7684\u672c\u8d28\u5c31\u662fget set\u4e24\u4e2a\u65b9\u6cd5
\n\u5c5e\u6027\u662f\u5bf9\u5b57\u6bb5\u7684\u5c01\u88c5\uff1b
\n\u5c01\u88c5\u7684\u5feb\u6377\u952e\uff1aCtrl + R + E
\nfileds:\u5b57\u6bb5
\nmethod\uff1a\u65b9\u6cd5
\nproperty:\u5c5e\u6027<\/p>\n
*****\u5b57\u6bb5\u5c31\u662f\u5973\u4eba\uff0c\u5c5e\u6027\u5c31\u662f\u7537\u4eba
\n\u5b57\u6bb5\u5c5e\u4e8e\u6570\u636e\u975e\u5e38\u91cd\u8981\uff0c\u9700\u8981\u4fdd\u62a4\u8d77\u6765\uff0c\u5916\u754c\u8bbf\u95ee\u65f6\u8bbf\u95ee\u5c5e\u6027\u5373\u53ef<\/p>\n
    public  class Person\n    {\n        \/\/\u5b57\u6bb5\n        public string _name;\n        public int _age;\n        public char _gendar;\n\n        \/\/\u5c5e\u6027\n        public string Name\n        {\n            get { return _name; }\n            set { _name = value; }\n        }\n\n        public void Test()\n        {\n            Console.WriteLine($\"\u6211\u662f{this._name},\u6211\u4eca\u5e74{this._age},\u6211\u662f{this._gendar}\u751f\uff01\");\n        }\n\n\n    }\n<\/code><\/pre>\n
3\u3001\u9759\u6001\u4e0e\u975e\u9759\u6001\u7684\u533a\u522b<\/h3>\n
static:\u9759\u6001\u6807\u8bc6\u7b26<\/p>\n
1\u3001\u5728\u975e\u9759\u6001\u6210\u5458\u4e2d\uff0c\u65e2\u53ef\u4ee5\u6709\u5b9e\u4f8b\u6210\u5458\uff0c\u4e5f\u53ef\u4ee5\u6709\u9759\u6001\u6210\u5458\u3002
\n2\u3001\u5728\u8c03\u7528\u5b9e\u4f8b\u6210\u5458\u7684\u65f6\u5019\uff0c\u9700\u8981\u4f7f\u7528 \u5bf9\u8c61\u540d.\u5b9e\u4f8b\u6210\u5458
\n   \u5728\u8c03\u7528\u9759\u6001\u6210\u5458\u65f6\uff0c\u9700\u8981\u4f7f\u7528 \u7c7b\u540d.\u9759\u6001\u6210\u5458<\/p>\n
\u603b\u7ed3\uff1a\u9759\u6001\u6210\u5458\u5fc5\u987b\u4f7f\u7528\u7c7b\u540d\u53bb\u8c03\u7528\uff0c\u5b9e\u4f8b\u6210\u5458\u5fc5\u987b\u4f7f\u7528\u5bf9\u8c61\u53bb\u8c03\u7528\u3002
\n    \u9759\u6001\u51fd\u6570\u4e2d\u53ea\u80fd\u8bbf\u95ee\u9759\u6001\u6210\u5458\uff0c\u4e0d\u5141\u8bb8\u8bbf\u95ee\u5b9e\u4f8b\u6210\u5458\u3002
\n    \u5b9e\u4f8b\u51fd\u6570\u4e2d\u65e2\u53ef\u4ee5\u4f7f\u7528\u9759\u6001\u6210\u5458\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u5b9e\u4f8b\u6210\u5458\u3002
\n    \u9759\u6001\u7c7b\u4e2d\u53ea\u5141\u8bb8\u6709\u9759\u6001\u6210\u5458\uff0c\u4e0d\u5141\u8bb8\u6709\u5b9e\u4f8b\u6210\u5458\u3002
\n    \u9759\u6001\u7c7b\u4e0d\u5141\u8bb8\u88ab\u5b9e\u4f8b\u5316\uff08\u56e0\u4e3a\u9759\u6001\u7c7b\u4e2d\u7684\u6240\u6709\u6210\u5458\u5fc5\u987b\u4f7f\u7528\u7c7b\u540d\u66f2\u8c03\u7528\uff0c\u6240\u4ee5\u521b\u5efa\u9759\u6001\u7c7b\u7684\u5bf9\u8c61\u6ca1\u6709\u610f\u4e49\uff09<\/p>\n
\u4f7f\u7528\uff1a<\/h4>\n
1\u3001\u5982\u679c\u60f3\u8981\u7c7b\u5f53\u505a\u4e00\u4e2a\u5de5\u5177\u7c7b\uff0c\u53ef\u4ee5\u4f7f\u7528\u9759\u6001\u7c7b\uff08\u5de5\u5177\u7c7b\uff1a\u7ecf\u5e38\u4f7f\u7528\u7684\u65b9\u6cd5\uff09\uff1b\u4f7f\u7528\u7684\u65f6\u5019\u76f4\u63a5\u4f7f\u7528 \u7c7b\u540d.\u65b9\u6cd5\u5373\u53ef\uff0c\u4e0d\u9700\u8981\u521b\u5efa\u5b9e\u4f8b\u5316\u5bf9\u8c61
\n2\u3001\u9759\u6001\u7c7b\u5728\u6574\u4e2a\u9879\u76ee\u4e2d\u8d44\u6e90\u5171\u4eab\u3002\u9759\u6001\u7c7b\u53ea\u6709\u5728\u7a0b\u5e8f\u7ed3\u675f\u65f6\u624d\u4f1a\u91ca\u653e\u8d44\u6e90\u3002<\/p>\n
4\u3001\u6784\u9020\u51fd\u6570<\/h3>\n
\u6784\u9020\u51fd\u6570\u4f5c\u7528\u662f\u5e2e\u52a9\u6211\u4eec\u521d\u59cb\u5316\u5bf9\u8c61\uff0c\u5bf9\u5bf9\u8c61\u7684\u6bcf\u4e00\u4e2a\u6210\u5458\u8d4b\u503c\uff0c\u662f\u4e00\u4e2a\u7279\u6b8a\u7684\u65b9\u6cd5\u3002
\n1\u3001\u6784\u9020\u51fd\u6570\u6ca1\u6709\u8fd4\u56de\u503c\uff0c\u8fdeVoid\u4e5f\u4e0d\u80fd\u5199
\n2\u3001\u6784\u9020\u51fd\u6570\u7684\u540d\u79f0\u5fc5\u987b\u8ddf\u7c7b\u540d\u4e00\u6837
\n\u7c7b\u4e2d\u4f1a\u6709\u4e00\u4e2a\u9ed8\u8ba4\u7684\u65e0\u53c2\u6570\u7684\u6784\u9020\u51fd\u6570\uff0c\u5f53\u4f60\u5199\u4e00\u4e2a\u65b0\u7684\u6784\u9020\u51fd\u6570\u4e4b\u540e\uff0c\u4e0d\u7ba1\u6709\u65e0\u53c2\u6570\uff0c\u90a3\u4e2a\u9ed8\u8ba4\u7684\u6784\u9020\u51fd\u6570\u90fd\u4f1a\u88ab\u66ff\u4ee3\u3002
\n\u521b\u5efa\u5bf9\u8c61\u540e\uff0c\u5148\u6267\u884c\u6784\u9020\u51fd\u6570\uff0c\u6240\u4ee5\u53ef\u4ee5\u5728\u6784\u9020\u51fd\u6570\u4e2d\u505a\u521d\u59cb\u5316\u5904\u7406\u3002<\/p>\n
\u4f7f\u7528<\/h5>\n
   class Program\n    {\n        static void Main(string[] args)\n        {\n            Student zsStudent = new Student(\"\u5f20\u4e09\",25,100);\n            \/\/zsStudent.Name = \"\u5f20\u4e09\";\n            \/\/zsStudent.Age = 25;\n            \/\/zsStudent.Math = 100;\n            zsStudent.Show();\n\n            Student xlStudent = new Student(\"\u5c0f\u5170\",25,100);\n            \/\/xlStudent.Name = \"\u5c0f\u5170\";\n            \/\/xlStudent.Age = 25;\n           \/\/ xlStudent.Math = 100;\n            xlStudent.Show();\n            Console.ReadKey();\n\n\n        }\n    }\n<\/code><\/pre>\n
\u7c7b<\/h5>\n
    public class Student\n    {\n        \/\/\u7c7b\u4e2d\u53ef\u4ee5\u5199\u5b57\u6bb5 \u5c5e\u6027 \u65b9\u6cd5 \u6784\u9020\u51fd\u6570\n        public Student(string name ,int age ,int math)\/\/\u6784\u9020\u51fd\u6570\uff0c\n        {\n            this.Math = math;\n            this.Name = name;\n            this.Age = age;\n        }\n\n\n        private int _age;\n        public int Age { get => _age; set => _age = value; }\n\n\n        private string _name;\n        public string Name { get => _name; set => _name = value; }\n\n\n        private int _math;\n        public int Math { get => _math; set => _math = value; }\n\n        public void Show()\n        {\n            Console.WriteLine($\"\u6211\u53eb{Name}\uff0c\u6211\u4eca\u5e74{Age}\u5c81\uff0c\u6211\u7684\u6570\u5b66\u4eca\u5e74\u8003\u4e86{Math}\u5206\uff01\");\n        }\n    }\n<\/code><\/pre>\n
5\u3001 New\u5173\u952e\u5b57\u7684\u4f5c\u7528<\/h3>\n
person zs = new person()
\nnew\u603b\u5171\u5e2e\u6211\u4eec\u505a\u4e86\u4e09\u4ef6\u4e8b\uff1a
\n1\u3001\u5728\u5185\u5b58\u4e2d\u5f00\u8f9f\u7a7a\u95f4
\n2\u3001\u5728\u5f00\u8f9f\u7684\u7a7a\u95f4\u4e2d\u521b\u5efa\u5bf9\u8c61
\n3\u3001\u8c03\u7528\u5bf9\u8c61\u7684\u6784\u9020\u51fd\u6570\u8fdb\u884c\u521d\u59cb\u5316\u5bf9\u8c61<\/p>\n
6\u3001\u6784\u9020\u51fd\u6570\u7684\u91cd\u8f7d<\/h3>\n
\u5728\u4f7f\u7528\u8fc7\u7a0b\u4e2d\u53ef\u80fd\u5e76\u4e0d\u9700\u8981\u4f20\u6240\u6709\u7684\u53c2\u6570\uff0c\u8fd9\u65f6\u5019\u4e5f\u5c31\u7528\u5230\u4e86\u6784\u9020\u51fd\u6570\u7684\u91cd\u8f7d\u3002
\n\u51fd\u6570\u540d\u76f8\u540c\uff0c\u4f46\u662f\u53c2\u6570\u4e0d\u76f8\u540c\u3002<\/p>\n
        \/\/\u7c7b\u4e2d\u53ef\u4ee5\u5199\u5b57\u6bb5 \u5c5e\u6027 \u65b9\u6cd5 \u6784\u9020\u51fd\u6570\n        public Student(string name ,int age ,int math)\/\/\u6784\u9020\u51fd\u6570\uff0c\n        {\n            this.Math = math;\n            this.Name = name;\n            this.Age = age;\n        }\n\n        public Student(string name, int age)\/\/\u6784\u9020\u51fd\u6570\u91cd\u8f7d\uff0c\u53ea\u4f20\u5165\u540d\u79f0\u548c\u5e74\u9f84\n        {\n\n            this.Name = name;\n            this.Age = age;\n        }\n<\/code><\/pre>\n
7\u3001this\u5173\u952e\u5b57<\/h3>\n
1\u3001\u4ee3\u8868\u5f53\u524d\u7c7b\u7684\u5bf9\u8c61
\n2\u3001\u5728\u7c7b\u5f53\u4e2d\u663e\u793a\u7684\u8c03\u7528\u672c\u7c7b\u7684\u6784\u9020\u51fd\u6570  :this<\/p>\n
        \/\/\u7c7b\u4e2d\u53ef\u4ee5\u5199\u5b57\u6bb5 \u5c5e\u6027 \u65b9\u6cd5 \u6784\u9020\u51fd\u6570\n        public Student(string name ,int age ,int math)\/\/\u6784\u9020\u51fd\u6570\uff0c\n        {\n            this.Math = math;\n            this.Name = name;\n            this.Age = age;\n        }\n        \/\/\u6784\u9020\u51fd\u6570\u91cd\u8f7d\uff0c\u53ea\u4f20\u5165\u540d\u79f0\u548c\u5e74\u9f84\n        public Student(string name, int age):this(name,age,0)\n        {\n            \/\/\u521b\u5efa\u5bf9\u8c61\u8c03\u7528\u6b64\u91cd\u8f7d\u6784\u9020\u51fd\u6570\u65f6\uff0c\u4f1a\u5148\u8c03\u7528\u672c\u6784\u9020\u51fd\u6570\u7136\u540e\u518d\u8c03\u7528\u4e0a\u9762\u90a3\u4e2a\u53c2\u6570\u6700\u9f50\u5168\u7684\u6784\u9020\u51fd\u6570\uff0c\n            \/\/\u7136\u540e\u8c03\u7528\u5b8c\u6210\u540e\u518d\u6b21\u56de\u5230\u6b64\u6784\u9020\u51fd\u6570\u4e2d,\u4ee5\u6b64\u8fbe\u5230\u4ee3\u7801\u590d\u7528\u7684\u4f5c\u7528\n        }\n<\/code><\/pre>\n
8\u3001\u6790\u6784\u51fd\u6570<\/h3>\n
\u6790\u6784\u51fd\u6570\u5728\u7a0b\u5e8f\u7ed3\u675f\u65f6\u4f1a\u88ab\u8c03\u7528\uff0c\u5e38\u7528\u4e8e\u91ca\u653e\u8d44\u6e90\u3002<\/p>\n
        \/\/\u6790\u6784\u51fd\u6570\n        ~Student()\n        {\n            Console.WriteLine(\"\u6211\u662f\u6790\u6784\u51fd\u6570\");\n        }\n<\/code><\/pre>\n
9\u3001\u547d\u540d\u7a7a\u95f4<\/h3>\n
NameSpace \uff08\u547d\u540d\u7a7a\u95f4\uff09\uff0c\u7528\u4e8e\u89e3\u51b3\u7c7b\u7684\u91cd\u540d\u95ee\u9898\uff0c\u53ef\u4ee5\u770b\u505a\u7c7b\u7684\u201c\u6587\u4ef6\u5939\u201d\uff1b
\n\u5982\u679c\u4ee3\u7801\u548c\u88ab\u4f7f\u7528\u7684\u7c7b\u5728\u4e00\u4e2anamespace\u5219\u4e0d\u9700\u8981using
\n\u5982\u679c\u5728\u5f53\u524d\u9879\u76ee\u4e2d\u6ca1\u6709\u8fd9\u4e2a\u7c7b\u7684\u547d\u540d\u7a7a\u95f4\uff0c\u9700\u8981\u6211\u4eec\u624b\u52a8\u5bfc\u5165\u547d\u540d\u7a7a\u95f4\uff1a
\n1\u3001\u7528\u9f20\u6807\u70b9\u51fb
\n2\u3001\u5149\u6807\u653e\u5728\u7c7b\u4e0a\uff0c\u7136\u540e\u6309\u5feb\u6377\u952e Alt + Shift + F10
\n3\u3001\u8bb0\u4f4f\u547d\u540d\u7a7a\u95f4\uff0c\u624b\u52a8\u5f15\u7528<\/p>\n
\u5728\u4e00\u4e2a\u9879\u76ee\u4e2d\u5f15\u7528\u53e6\u4e00\u4e2a\u9879\u76ee\u7684\u7c7b\uff1a
\n1\u3001\u5f15\u7528—\u53f3\u952e\uff0c\u6dfb\u52a0\u5f15\u7528
\n2\u3001using\u5f15\u7528\u547d\u540d\u7a7a\u95f4<\/p>\n
\u5728\u4e0d\u540c\u547d\u540d\u7a7a\u95f4\u4e0b\u7684\u7c7b\u8c03\u7528\u6709\u4e24\u79cd\u65b9\u6cd5\uff1a
\n1\u3001\u5199\u5168\u79f0 \u547d\u540d\u7a7a\u95f4.\u7c7b\u540d
\n2\u3001\u5148using\u5f15\u7528\u547d\u540d\u7a7a\u95f4\uff0c\u5728\u8c03\u7528<\/p>\n
10\u3001\u503c\u7c7b\u578b\u548c\u5f15\u7528\u7c7b\u578b<\/h3>\n
\u533a\u522b\uff1a
\n1\u3001\u503c\u7c7b\u578b\u548c\u5f15\u7528\u7c7b\u578b\u5728\u5185\u5b58\u4e0a\u50a8\u5b58\u7684\u5730\u65b9\u4e0d\u4e00\u6837
\n2\u3001\u5728\u4f20\u9012\u503c\u7c7b\u578b\u548c\u4f20\u9012\u5f15\u7528\u7c7b\u578b\u7684\u65f6\u5019\uff0c\u4f20\u9012\u7684\u65b9\u5f0f\u4e0d\u4e00\u6837\u3002
\n\u503c\u7c7b\u578b\u6211\u4eec\u79f0\u4e4b\u4e3a\u503c\u4f20\u9012\uff0c\u5f15\u7528\u7c7b\u578b\u6211\u4eec\u79f0\u4e4b\u4e3a\u5f15\u7528\u4f20\u9012\u3002
\n\u503c\u7c7b\u578b\uff1aint\uff0cboo\u4e86\uff0cdouble,char,decimal,struct,enum
\n\u5f15\u7528\u7c7b\u578b\uff1astring \uff0c\u81ea\u5b9a\u4e49\u7c7b\uff0c\u6570\u7ec4
\n\u50a8\u5b58\uff1a\u503c\u7c7b\u578b\u7684\u503c\u662f\u50a8\u5b58\u5728\u5185\u5b58\u7684\u6808\u5f53\u4e2d\uff0c\u5f15\u7528\u7c7b\u578b\u662f\u50a8\u5b58\u5728\u5185\u5b58\u7684\u5806\u4e2d
\n\u5f15\u7528\u7c7b\u578b\u867d\u7136\u50a8\u5b58\u5728\u5806\u4e2d\uff0c\u4f46\u662f\u5728\u6808\u4e2d\u4e5f\u6709\u5f00\u8f9f\u7a7a\u95f4\u5e76\u4e14\u8fd9\u4e2a\u7a7a\u95f4\u6307\u5411\u5806\u4e2d\u7684\u5730\u5740\u3002<\/p>\n
11\u3001\u5b57\u7b26\u4e32<\/h3>\n
1\u3001\u5b57\u7b26\u4e32\u7684\u4e0d\u53ef\u53d8\u6027
\n2\u3001\u5f53\u7ed9\u5b57\u7b26\u4e32\u91cd\u65b0\u8d4b\u503c\u540e\uff0c\u539f\u672c\u7684\u503c\u5e76\u6ca1\u6709\u9500\u6bc1\uff0c\u800c\u662f\u5728\u5806\u4e2d\u91cd\u65b0\u5f00\u8f9f\u4e00\u5757\u7a7a\u95f4\u50a8\u5b58\u65b0\u7684\u503c\uff1b<\/p>\n
\u5f53\u7a0b\u5e8f\u7ed3\u675f\u540e\uff0cGC\u626b\u63cf\u6574\u4e2a\u5185\u5b58\uff0c\u5982\u679c\u53d1\u73b0\u6709\u4e9b\u5185\u5b58\u6ca1\u6709\u4efb\u4f55\u6307\u5411\u5219\u7acb\u5373\u9500\u6bc1\u3002<\/p>\n
\u53ef\u4ee5\u5c06\u5b57\u7b26\u4e32\u770b\u505a\u662fchar\u7c7b\u578b\u7684\u4e00\u4e2a\u6570\u7ec4\u3002
\n\u5b57\u7b26\u4e32\u683c\u5f0f\u8be6\u89e3<\/a><\/p>\n
\u5982\u679c\u9700\u8981\u5199\u4e00\u4e2a\u65b9\u6cd5\u6765\u6539\u53d8\u5b57\u7b26\u4e32\u7684\u503c\uff0c\u90a3\u4e48\u8fd9\u4e2a\u65b9\u6cd5\u662f\u4e0d\u9700\u8981\u8fd4\u56de\u503c\u7684\uff0c\u56e0\u4e3a\u5b57\u7b26\u4e32\u5c5e\u4e8e\u5f15\u7528\u7c7b\u578b\uff0c\u53ef\u4ee5\u76f4\u63a5\u6539\u53d8<\/strong>
\n\u5b57\u7b26\u4e32\u63d0\u4f9b\u7684\u5404\u79cd\u65b9\u6cd5\uff1a
\n1\u3001Length:\u83b7\u5f97\u5b57\u7b26\u4e32\u4e2d\u5b57\u7b26\u7684\u4e2a\u6570
\n2\u3001ToUpper():\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u6210\u5927\u5199\u5f62\u5f0f
\n3\u3001ToLower():\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u6210\u5c0f\u5199\u5f62\u5f0f
\n4\u3001Equal\uff08lessone.Equals(lessTwo,StringComparison.CurrentCultureIgnoreCase)\uff09\uff1a\u6bd4\u8f83\u4e24\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u4e00\u6837
\n5\u3001Split\uff08\uff09 \u5206\u5272\u5b57\u7b26\u4e32\uff0c\u8fd4\u56de\u5b57\u7b26\u4e32\u7c7b\u578b\u7684\u6570\u7ec4
\n6\u3001Replace() \u5b57\u7b26\u4e32\u66ff\u6362 Contains()\u5b57\u7b26\u4e32\u67e5\u627e
\n7\u3001Substring() \u5b57\u7b26\u4e32\u622a\u53d6\uff0c\u5305\u542b\u8981\u622a\u53d6\u7684\u4f4d\u7f6e
\n8\u3001StartsWith\uff08\uff09\uff1bEndWith()\uff1b\u662f\u5426\u4ee5\u67d0\u67d0\u5b57\u7b26\u5f00\u59cb\uff0c\u662f\u5426\u4ee5\u67d0\u67d0\u5b57\u7b26\u7ed3\u5c3e
\n9\u3001IndexOf\uff08\uff09\u7b2c\u4e00\u6b21\u67d0\u4e2a\u5b57\u7b26\u7684\u4f4d\u7f6e Lastindexof() \u6700\u540e\u4e00\u6b21\u51fa\u73b0\u67d0\u4e2a\u5b57\u7b26\u7684\u4f4d\u7f6e
\n10\u3001Trim\uff08\uff09 TrimStart\uff08\uff09TrimEnd\uff08\uff09\u5b57\u7b26\u4e32\u53bb\u6389\u6240\u6709\u7a7a\u683c\uff0c\u53bb\u6389\u524d\u9762\u7684\u7a7a\u683c \u53bb\u6389\u540e\u9762\u7684\u7a7a\u683c
\n11\u3001Join\uff08\uff09\u5b57\u7b26\u4e32\u4e2d\u52a0\u5165\u65b0\u7684\u5b57\u7b26<\/p>\n
\u5b57\u7b26\u4e32\u8f6c\u5927\u5c0f\u5199ToLower ToLower<\/h5>\n
string s1 =\"aaa\";\ns1 = s1.ToUpper();\/\/ \u5c06S1\u8f6c\u6210\u5927\u5199\n\n\nstring s2 =\"BBB\";\ns2 = s2.ToLower():\/\/\u5c06\u5b57\u7b26\u4e32\u8f6c\u6362\u6210\u5199\n<\/code><\/pre>\n
\u5b57\u7b26\u4e32\u6bd4\u8f83Equals<\/h5>\n
if (lessone.Equals(lessTwo,StringComparison.CurrentCultureIgnoreCase))\n{\n Console.WriteLine(\"\u4f60\u4eec\u4fe9\u559c\u6b22\u7684\u8bfe\u7a0b\u4e00\u6837\");\n}\n else\n{\nConsole.WriteLine(\"\u4f60\u4eec\u4fe9\u559c\u6b22\u7684\u8bfe\u7a0b\u4e0d\u4e00\u6837\");\n }\n\n<\/code><\/pre>\n
\u5b57\u7b26\u4e32\u5206\u5272Split<\/h5>\n
            string s = \"a b     dfg   _ + = ,,, fdf \";\n            \/\/\u5206\u5272\u5b57\u7b26\u4e32split\n            char[] chs = { ' ', ',', '_' ,'+','='};\n            \/\/ \u5b57\u7b26\u4e32\u5206\u5272\uff0c\u9009\u9879\u8bbe\u7f6e\u4e3a\u4e0d\u8fd4\u56de\u7a7a\u7684\u5b57\u7b26\u4e32\u6570\u7ec4 StringSplitOptions.RemoveEmptyEntries\uff08\u79fb\u9664\u7a7a\u7684\u9009\u9879\uff09\n            string[] str= s.Split(chs,StringSplitOptions.RemoveEmptyEntries);\n            String re=\"\";\n            for (int i = 0; i < str.Length; i++)\n            {\n                re += str[i];\n            }\n            Console.WriteLine(re);\n            Console.ReadKey();\n<\/code><\/pre>\n
\u5b57\u7b26\u4e32\u66ff\u6362Replace\u3001\u67e5\u627eContains<\/h5>\n
string str = \"\u56fd\u5bb6\u4e3b\u5e2d\";\nbool re = str.Contains(\"\u4e3b\u5e2d\");\/\/ \u67e5\u627e\u5b57\u7b26\u4e32\u4e2d\u662f\u5426\u6709\u201c\u4e3b\u5e2d\u201d\u7684\u503c\nif (re)\/\/\u5982\u679c\u6709\uff0c\u5219\u5c06\u5176\u66ff\u6362\u6210\u201c**\u201d\n{\n     str=str.Replace(\"\u4e3b\u5e2d\",\"**\");\n}\nConsole.WriteLine(str);\nConsole.ReadKey();\n<\/code><\/pre>\n
\u5b57\u7b26\u4e32\u622a\u53d6 Substring<\/h5>\n
string str = \"\u4eca\u5929\u5929\u6c14\u597d\u6674\u6717\";\nstr = str.Substring(3,1);\nConsole.WriteLine(str);\/\/\u8f93\u51fa\u201c\u6c14\u201d\nstring strNew = str.Substring(1);\nConsole.WriteLine(str);\/\/\u8f93\u51fa\u201c\u5929\u5929\u6c14\u597d\u6674\u6717\u201d\n\n\n<\/code><\/pre>\n
\u5b57\u7b26\u4e32\u662f\u5426\u4ee5\u5f00\u5934StartsWith \uff1b\u662f\u5426\u4ee5<\/strong>\u7ed3\u5c3eEndsWith<\/h5>\n
string str = \"\u4eca\u5929\u5929\u6c14\u597d\u6674\u6717\";\nif (str.StartsWith(\"\u4eca\u5929\"))\/\/\u662f\u5426\u4ee5\u4eca\u5929\u5f00\u5934\n {\n Console.WriteLine(\"\u662f\u7684\");\n}\nelse\n {\n  Console.WriteLine(\"\u4e0d\u662f\u7684\");\n }\nif (str.EndsWith(\"\u6674\u6717\"))\/\/\u662f\u5426\u4ee5\u6674\u6717\u7ed3\u5c3e\n{\n Console.WriteLine(\"\u662f\u7684\");\n}\nelse\n {\nConsole.WriteLine(\"\u4e0d\u662f\u7684\");\n}\n\n            Console.ReadKey();\n<\/code><\/pre>\n
\u67e5\u627e\u5b57\u7b26\u4e32\u7b2c\u4e00\u6b21\u4e0e\u6700\u540e\u4e00\u6b21\u7684\u4f4d\u7f6e IndexOf() LastIndexOf()<\/h6>\n
            string str = \"\u4eca\u5929\u5929\u6c14\u597d\u6674\u6717\";\n            int index = str.IndexOf('\u5929',);\n            Console.WriteLine(index);\n            string path = @\"c:\\a\\s\\s\\d\\df\\sd\\fsd\\fsdf\\sdf\\sdfsd\\fsd\\f\\\u4ed3\u8001\u5e08.wav\";\n            index = path.LastIndexOf(\"\\\\\");\n            path = path.Substring(index+1);\n            Console.WriteLine(path);\n            Console.ReadKey();\n<\/code><\/pre>\n
\u5b57\u7b26\u4e32\u53bb\u7a7a\u683c<\/h6>\n
            string str = \"      hahah    \";\n            string str1, endstr, startstr;\n            str1 = str.Trim();\/\/ \u53bb\u6389\u5b57\u7b26\u4e32\u524d\u540e\u7684\u7a7a\u683c\n            endstr = str.TrimStart();\/\/\u53bb\u6389\u524d\u9762\u7684\u7a7a\u683c\n            startstr = str.TrimEnd();\/\/\u53bb\u6389\u540e\u9762\u7684\u7a7a\u683c\n            Console.WriteLine(str1);\n            Console.WriteLine(endstr);\n            Console.WriteLine(startstr);\n            Console.ReadKey();\n<\/code><\/pre>\n
\u5224\u65ad\u5b57\u7b26\u4e32\u662f\u5426\u4e3aNull \u6216\u8005\u4e3a\u7a7a<\/h6>\n
            string str11 = null;\n            string str12 =\"\"\u201d;\n            if (string.IsNullOrEmpty(str11))\n            {\n                Console.WriteLine(\"\u662f\u7684\");\n            }\n             if (string.IsNullOrEmpty(str12))\n            {\n                Console.WriteLine(\"\u662f\u7684\");\n            }\n\/\/\u90fd\u8f93\u51fa\u4e3a\u662f\u7684\n<\/code><\/pre>\n
\u5b57\u7b26\u4e32\u52a0\u5165<\/h6>\n
            string[] name = { \"\u5f20\u4e09\", \"\u5f20\u4e09\", \"\u5f20\u4e09\", \"\u5f20\u4e09\", \"\u5f20\u4e09\", \"\u5f20\u4e09\", };\n            \/\/\u8f6c\u6362\u4e3a|\u5f20\u4e09|\u5f20\u4e09|\u5f20\u4e09|\u5f20\u4e09|\u5f20\u4e09|\u5f20\u4e09|\u5f20\u4e09|\u5f20\u4e09|\u5f20\u4e09\n            \/\/Join\u7684\u53c2\u6570\u53f3parmas\u4fee\u9970\uff0c\u6240\u4ee5\u6709\u4e24\u79cd\u5199\u6cd5\n            string strNew = string.Join(\"|\",name);\n            string strNew1 = string.Join(\"|\", \"\u5f20\u4e09\", \"\u5f20\u4e09\", \"\u5f20\u4e09\", \"\u5f20\u4e09\", \"\u5f20\u4e09\", \"\u5f20\u4e09\");\n\n            Console.WriteLine(strNew);\n            Console.WriteLine(strNew1);\n            Console.ReadKey();\n<\/code><\/pre>\n
<\/div>","protected":false},"excerpt":{"rendered":"
1\u3001\u5b57\u6bb5 \u5b57\u6bb5\u4ee5”_”\u5f00\u5934\u3002\u4f8b\u5982\uff1a public static string _nam […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[33],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/posts\/774"}],"collection":[{"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=774"}],"version-history":[{"count":23,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/posts\/774\/revisions"}],"predecessor-version":[{"id":863,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/posts\/774\/revisions\/863"}],"wp:attachment":[{"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}