.Net 扩展方法会合

 public static void Main(string[] args)        {            #region String Extensions            string result0 = "[frank%loch".StringConvert4SQLLke(); //替换sql模糊匹配的时候里面的特殊字符
            bool result1 = " abC".CurrentTrimEqualsIgnoreCase(" ABC "); // 比较两字符串是否相同,忽略大小写,字符串前后空白
            List<string> result2 = "1-23@56*78".SplitByMutipleChar('-','@','*').ToList(); //多字母拆分字符串, 输出 { 1 23 56 78 }的集合
            bool result3 = "123".IsNullOrEmpty(); // 判断字符串是否为null或者string.empty.
            bool result4 = "123".IsLengthBetween(2, 4); 
            bool result5 = "123".IsShorterThan(2);
            bool result6 = "123".IsLongerThan(2);
            bool result7 = "You are the best".IsContainsAll("You", "the");// result==true,result8==false IsContainsAll 支持多参数输入. 用于判断字符串是否同时包含多个字符串            bool result8 = "You are the best".IsContainsAll("You", "123");
            bool result9 = "You are the best".IsContainsAny("123", "the"); //result==true,result8==false IsContainsAll 支持多参数输入. 用于判断字符串是否包含多个字符串中的一个                       

            bool result10 = "You are the best".IsContainsAny("sbc", "123");

string result11 = "frank".FirstCharToUpter(); 
            string result12 = "  frank  ".RTrim(); // 去除字符串右边的空白
            string result13 = "  frank  ".LTrim(); // 去除字符串左边空白
            string result14 = new List<string>() { "frank", "loch", "hardy" }.ListToSqlIn(false); //用于sql里面的in(x,x,x)语句拼接            string result15 = new List<string>() { "1", "2", "3" }.ListToSqlIn(true); // result12 = "'frank','loch','hardy'",result12 = "1,2,3"
            bool result16 = "frank".IsEqualsAnyOfThem("hardy", "frank"); // IsEqualsAnyOfItem支持多参数输入,判断字符串是否在多个删除里面            #endregion            #region ConvertExtensions // 用于string类型转换int,decimal,datetime            int result17 = "abc".TryToInt32();            int result18 = "123".TryToInt32();            decimal result19 = "1.3".TryToDecimal();            DateTime result20 = "2015/12/24".TryToDateTime();            #endregion            #region ObjectExtensions            Person p1 = new Person() { Name = "Frank" };            Person result21 = p1.DeepCopy<Person>(); // 深拷贝            #endregion            #region            List<string> lst = new List<string>() { "123", "456" };            bool result22 = lst.IsNullOrEmpty(); //判断集合是否有内容            bool result23 = lst.CountGreaterThanZero();             List<Person> personList1 = new List<Person>()            {                new Person(){Name="Frank"},                new Person(){Name="Hardy"}            };            List<Person> personList2 = new List<Person>()            {                new Person(){Name="Frank"},                new Person(){Name="Hardy"}            };
            ///public static bool ObjectCollectionEquals<T>(this IEnumerable<T> collection1, IEnumerable<T> collection2, Func<T, T, bool> func),
　　         /// func里面写入两个对象相同的方法.实现集合对象的比较            bool result24 = personList1.ObjectCollectionEquals(personList2, (val1, val2) =>            {                return val1.Name != val2.Name;            });            #endregion        }        [Serializable]        public class Person        {            public string Name { get; set; }        }