方法的参数与可以统一成这样！

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1	using System;

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1	using System.Collections.Generic;

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1	using System.Linq;

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using System.Text;   namespace Entity.Commons {      /// <summary>     /// 自定义谓词     /// </summary>     public class VPredication : IEnumerable<KeyValuePair<string, object>>     {         Dictionary<string, object> dicv = null;         SpacePredication spacePredication = null;         /// <summary>         /// 区间谓词         /// </summary>         public SpacePredication SpacePredication { get { return this.spacePredication; } }           /// <summary>         /// 自定义区间 构造函数         /// </summary>         public VPredication()         {             spacePredication = new SpacePredication();             dicv = new Dictionary<string, object>();         }           /// <summary>         /// 验证键是否存在值         /// </summary>         /// <param name="index">键</param>         /// <returns>bool</returns>         public bool ContainsKey(string index)         {             return this.dicv.ContainsKey(index);         }           /// <summary>         /// 索引器         /// </summary>         /// <param name="index">索引值</param>         /// <returns>值</returns>         public object this[string index]         {             get             {                 if (dicv.ContainsKey(index))                     return dicv[index];                 else                     return null;             }         }             /// <summary>         /// 增加新项         /// </summary>         /// <param name="key">列枚举[只能接受非FLAG得单个枚举]</param>         /// <param name="extremumPair"></param>         public void AddItem(string key, object value)         {             this.dicv.Add(key, value);         }         /// <summary>         /// 移除制定 列枚举 的项         /// </summary>         /// <param name="key">列枚举[只能接受非FLAG得单个枚举]</param>         public void RemoveItem(string key)         {             this.dicv.Remove(key);         }           #region IEnumerable<KeyValuePair<string,object>> 成员           public IEnumerator<KeyValuePair<string, object>> GetEnumerator()         {             return this.dicv.GetEnumerator();         }           #endregion           #region IEnumerable 成员           System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()         {             return this.dicv.GetEnumerator();         }           #endregion     }     /// <summary>     /// 区间谓词     /// </summary>     public class SpacePredication : IEnumerable<KeyValuePair<string, ExtremumPair>>     {         Dictionary<string, ExtremumPair> dic = null;         /// <summary>         /// 区间谓词 构造函数         /// </summary>         public SpacePredication()         {             dic = new Dictionary<string, ExtremumPair>();           }           /// <summary>         /// 索引器         /// </summary>         /// <param name="index">索引值</param>         /// <returns>区间极值值对</returns>         public ExtremumPair this[string index]         {             get { return dic[index]; }         }           /// <summary>         /// 验证键是否存在值         /// </summary>         /// <param name="index">键</param>         /// <returns>bool</returns>         public bool ContainsKey(string index)         {             return this.dic.ContainsKey(index);         }                /// <summary>         /// 增加新项         /// </summary>         /// <param name="_enum">列枚举[只能接受非FLAG得单个枚举]</param>         /// <param name="extremumPair"></param>         public void AddItem(string key, ExtremumPair extremumPair)         {             this.dic.Add(key, extremumPair);         }         /// <summary>         /// 移除制定 列枚举 的项         /// </summary>         /// <param name="key">列枚举[只能接受非FLAG得单个枚举]</param>         public void RemoveItem(string key)         {             this.dic.Remove(key);         }           #region IEnumerable<KeyValuePair<string,ExtremumPair>> 成员           public IEnumerator<KeyValuePair<string, ExtremumPair>> GetEnumerator()         {             return this.dic.GetEnumerator();         }           #endregion           #region IEnumerable 成员           System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()         {             return this.dic.GetEnumerator();         }           #endregion     }       /// <summary>     /// 区间极值值对     /// </summary>     public class ExtremumPair     {         object leftValue, rightValue;         /// <summary>         /// 左极值         /// </summary>         public object LeftValue { get { return leftValue; } }         /// <summary>         /// 右极值         /// </summary>         public object RightValue { get { return rightValue; } }         /// <summary>         /// 区间极值值对 构造函数         /// </summary>         /// <param name="leftValue">左极值</param>         /// <param name="rightValue">右极值</param>         public ExtremumPair(object leftValue, object rightValue)         {             this.leftValue = leftValue;             this.rightValue = rightValue;         }     }       /// <summary>     /// 通用分页参数 结构     /// </summary>     public class PagingParam     {         int pageSize = 10;         int pageIndex = 1;         int pageTotal = -1;         /// <summary>         /// 页面大小         /// </summary>         public int PageSize { get { return pageSize; } }         /// <summary>         /// 页码         /// </summary>         public int PageIndex { get { return pageIndex; } }           public int PageTotal { get { return pageTotal; } }         /// 构造函数         /// </summary>         public PagingParam()         {         }         /// <summary>         /// 通用分页参数结构 构造函数         /// </summary>         /// <param name="pageIndex">页码</param>         /// <param name="pageSize">页面大小</param>         public PagingParam(int pageIndex, int pageSize)         {             this.pageIndex = pageIndex;             this.pageSize = pageSize;             this.pageTotal = PageSize;         }           public PagingParam(int pageIndex, int pageSize, int pageTotal)         {             this.pageIndex = pageIndex;             this.pageSize = pageSize;             this.pageTotal = pageTotal;         }       }   }