c# 将object尝试转为指定对象

主方法：

         /// <summary>
         /// 将object尝试转为指定对象
         /// </summary>
         /// <param name="data"></param>
         /// <returns></returns>
         public static T ConvertObjToModel<T>(object data)
             where T : new()
         {
             if (data == null) return new T();
             // 定义集合
             T result = new T();
 
             // 获得此模型的类型
             Type type = typeof(T);
             string tempName = "";
 
             // 获得此模型的公共属性
             PropertyInfo[] propertys = result.GetType().GetProperties();
             foreach (PropertyInfo pi in propertys)
             {
                 tempName = pi.Name;  // 检查object是否包含此列    
 
                 // 判断此属性是否有Setter
                 if (!pi.CanWrite) continue;
 
                 try
                 {
                     object value = GetPropertyValue(data, tempName);
                     if (value != DBNull.Value)
                     {
                         Type tempType = pi.PropertyType;
                         pi.SetValue(result, DealHelper.GetDataByType(value, tempType), null);
 
                     }
                 }
                 catch
                 { }
 
             }
 
             return result;
         }            

调用方法：

         /// <summary>
         /// 获取一个类指定的属性值
         /// </summary>
         /// <param name="info">object对象</param>
         /// <param name="field">属性名称</param>
         /// <returns></returns>
         public static object GetPropertyValue(object info, string field)
         {
             if (info == null) return null;
             Type t = info.GetType();
             IEnumerable<System.Reflection.PropertyInfo> property = from pi in t.GetProperties() where pi.Name.ToLower() == field.ToLower() select pi;
             return property.First().GetValue(info, null);
         }
 
 /// <summary>
         /// 将数据转为制定类型
         /// </summary>
         /// <typeparam name="T"></typeparam>
         /// <param name="data1"></param>
         /// <returns></returns>
         public static object GetDataByType(object data1, Type itype, params object[] myparams)
         {
             object result = new object();
             try
             {
                 if (itype == typeof(decimal))
                 {
                     result = Convert.ToDecimal(data1);
                     if (myparams.Length > )
                     {
                         result = Convert.ToDecimal(Math.Round(Convert.ToDecimal(data1), Convert.ToInt32(myparams[])));
                     }
                 }
                 else if (itype == typeof(double))
                 {
 
                     if (myparams.Length > )
                     {
                         result = Convert.ToDouble(Math.Round(Convert.ToDouble(data1), Convert.ToInt32(myparams[])));
                     }
                     else
                     {
                         result = double.Parse(Convert.ToDecimal(data1).ToString("0.00"));
                     }
                 }
                 else if (itype == typeof(Int32))
                 {
                     result = Convert.ToInt32(data1);
                 }
                 else if (itype == typeof(DateTime))
                 {
                     result = Convert.ToDateTime(data1);
                 }
                 else if (itype == typeof(Guid))
                 {
                     result = new Guid(data1.ToString());
                 }
                 else if (itype == typeof(string))
                 {
                     result = data1.ToString();
                 }
             }
             catch
             {
                 if (itype == typeof(decimal))
                 {
                     result = ;
                 }
                 else if (itype == typeof(double))
                 {
                     result = ;
                 }
                 else if (itype == typeof(Int32))
                 {
                     result = ;
                 }
                 else if (itype == typeof(DateTime))
                 {
                     result = null;
                 }
                 else if (itype == typeof(Guid))
                 {
                     result = Guid.Empty;
                 }
                 else if (itype == typeof(string))
                 {
                     result = "";
                 }
             }
             return result;
         }