NET-String操作的通用类

代码

  1    public class StringPlus
  2    {
  3        public static List<string> GetStrArray(string str, char speater,bool toLower)
  4        {
  5            List<string> list = new List<string>();
  6            string[] ss =  str.Split(speater);
  7            foreach (string s in ss)
  8            {
  9                if (!string.IsNullOrEmpty(s) &&s !=speater.ToString())
 10                {
 11                    string strVal = s;
 12                    if (toLower)
 13                    {
 14                        strVal = s.ToLower();
 15                    }
 16                    list.Add(strVal);
 17                }
 18            }
 19            return list;
 20        }
 21        public static string[] GetStrArray(string str)
 22        {
 23            return str.Split(new char[',']);
 24        }
 25        public static string GetArrayStr(List<string> list,string speater)
 26        {
 27            StringBuilder sb = new StringBuilder();
 28            for (int i = 0; i < list.Count; i++)
 29            {
 30                if (i == list.Count - 1)
 31                {
 32                    sb.Append(list[i]);
 33                }
 34                else
 35                {
 36                    sb.Append(list[i]);
 37                    sb.Append(speater);
 38                }
 39            }
 40            return sb.ToString();
 41        }
 42        
 43        
 44        删除最后一个字符之后的字符#region 删除最后一个字符之后的字符
 45
 46        /**//// <summary>
 47        /// 删除最后结尾的一个逗号
 48        /// </summary>
 49        public static string DelLastComma(string str)
 50        {
 51            return str.Substring(0, str.LastIndexOf(","));
 52        }
 53
 54        /**//// <summary>
 55        /// 删除最后结尾的指定字符后的字符
 56        /// </summary>
 57        public static string DelLastChar(string str,string strchar)
 58        {
 59            return str.Substring(0, str.LastIndexOf(strchar));
 60        }
 61
 62        #endregion
 63
 64
 65
 66
 67        /**//// <summary>
 68        /// 转全角的函数(SBC case)
 69        /// </summary>
 70        /// <param name="input"></param>
 71        /// <returns></returns>
 72        public static string ToSBC(string input)
 73        {
 74            //半角转全角：
 75            char[] c = input.ToCharArray();
 76            for (int i = 0; i < c.Length; i++)
 77            {
 78                if (c[i] == 32)
 79                {
 80                    c[i] = (char)12288;
 81                    continue;
 82                }
 83                if (c[i] < 127)
 84                    c[i] = (char)(c[i] + 65248);
 85            }
 86            return new string(c);
 87        }        
 88
 89        /**//// <summary>
 90        ///  转半角的函数(SBC case)
 91        /// </summary>
 92        /// <param name="input">输入</param>
 93        /// <returns></returns>
 94        public static string ToDBC(string input)
 95        {
 96            char[] c = input.ToCharArray();
 97            for (int i = 0; i < c.Length; i++)
 98            {
 99                if (c[i] == 12288)
100                {
101                    c[i] = (char)32;
102                    continue;
103                }
104                if (c[i] > 65280 && c[i] < 65375)
105                    c[i] = (char)(c[i] - 65248);
106            }
107            return new string(c);
108        }
109
110        public static List<string> GetSubStringList(string o_str, char sepeater)
111        {
112            List<string> list = new List<string>();
113            string[] ss = o_str.Split(sepeater);
114            foreach (string s in ss)
115            {
116                if (!string.IsNullOrEmpty(s) && s != sepeater.ToString())
117                {
118                    list.Add(s);
119                }
120            }
121            return list;
122        }
123
124
125        将字符串样式转换为纯字符串#region 将字符串样式转换为纯字符串
126        public static string GetCleanStyle(string StrList, string SplitString)
127        {
128            string RetrunValue = "";
129            //如果为空，返回空值
130            if (StrList == null)
131            {
132                RetrunValue = "";
133            }
134            else
135            {
136                //返回去掉分隔符
137                string NewString = "";
138                NewString = StrList.Replace(SplitString, "");
139                RetrunValue = NewString;
140            }
141            return RetrunValue;
142        }
143        #endregion
144
145        将字符串转换为新样式#region 将字符串转换为新样式
146        public static string GetNewStyle(string StrList, string NewStyle, string SplitString, out string Error)
147        {
148            string ReturnValue = "";
149            //如果输入空值，返回空，并给出错误提示
150            if (StrList == null)
151            {
152                ReturnValue = "";
153                Error = "请输入需要划分格式的字符串";
154            }
155            else
156            {
157                //检查传入的字符串长度和样式是否匹配,如果不匹配，则说明使用错误。给出错误信息并返回空值
158                int strListLength = StrList.Length;
159                int NewStyleLength = GetCleanStyle(NewStyle, SplitString).Length;
160                if (strListLength != NewStyleLength)
161                {
162                    ReturnValue = "";
163                    Error = "样式格式的长度与输入的字符长度不符，请重新输入";
164                }
165                else
166                {
167                    //检查新样式中分隔符的位置
168                    string Lengstr = "";
169                    for (int i = 0; i < NewStyle.Length; i++)
170                    {
171                        if (NewStyle.Substring(i, 1) == SplitString)
172                        {
173                            Lengstr = Lengstr + "," + i;
174                        }
175                    }
176                    if (Lengstr != "")
177                    {
178                        Lengstr = Lengstr.Substring(1);
179                    }
180                    //将分隔符放在新样式中的位置
181                    string[] str = Lengstr.Split(',');
182                    foreach (string bb in str)
183                    {
184                        StrList = StrList.Insert(int.Parse(bb), SplitString);
185                    }
186                    //给出最后的结果
187                    ReturnValue = StrList;
188                    //因为是正常的输出，没有错误
189                    Error = "";
190                }
191            }
192            return ReturnValue;
193        }
194        #endregion
195    }
196

转载于:https://www.cnblogs.com/homezzm/archive/2009/11/27/1612073.html