1   /// <summary>
 2         /// 構建Insert語句串
 3         /// 主(zhu)鍵為(wei)自增時，如(ru)果主(zhu)鍵值為(wei)0，我們(men)將主(zhu)鍵插入到SQL串中
 4         /// </summary>
 5         /// <typeparam name="TEntity"></typeparam>
 6         /// <param name="entity"></param>
 7         /// <returns></returns>
 8         private Tuple<string, object[]> CreateInsertSQL<TEntity>(TEntity entity) where TEntity : class
 9         {
10             if (entity == null)
11                 throw new ArgumentException("The database entity can not be null.");
12 
13             Type entityType = entity.GetType();
14             var table = entityType.GetProperties().Where(i => i.PropertyType != typeof(EntityKey)
15                && i.PropertyType != typeof(EntityState)
16                && i.GetValue(entity, null) != null
17                && (i.PropertyType.IsValueType || i.PropertyType == typeof(string)))
18                .ToArray();//過(guo)濾主鍵(jian)，航(hang)行屬性，狀態(tai)屬性等(deng)
19             List<string> pkList = GetPrimaryKey<TEntity>().Select(i => i.Name).ToList();
20 
21             List<object> arguments = new List<object>();
22             StringBuilder fieldbuilder = new StringBuilder();
23             StringBuilder valuebuilder = new StringBuilder();
24 
25             fieldbuilder.Append(" INSERT INTO " + string.Format("[{0}]", entityType.Name) + " (");
26 
27             foreach (var member in table)
28             {
29                 if (pkList.Contains(member.Name) && Convert.ToString(member.GetValue(entity, null)) == "0")
30                     continue;
31                 object value = member.GetValue(entity, null);
32                 if (value != null)
33                 {
34                     if (arguments.Count != 0)
35                     {
36                         fieldbuilder.Append(", ");
37                         valuebuilder.Append(", ");
38                     }
39 
40                     fieldbuilder.Append(member.Name);
41                     if (member.PropertyType == typeof(string) || member.PropertyType == typeof(DateTime))
42                         valuebuilder.Append("'{" + arguments.Count + "}'");
43                     else
44                         valuebuilder.Append("{" + arguments.Count + "}");
45                     if (value.GetType() == typeof(string))
46                         value = value.ToString().Replace("'", "char(39)");
47                     arguments.Add(value);
48 
49                 }
50             }
51 
52 
53             fieldbuilder.Append(") Values (");
54 
55             fieldbuilder.Append(valuebuilder.ToString());
56             fieldbuilder.Append(");");
57             return new Tuple<string, object[]>(fieldbuilder.ToString(), arguments.ToArray());
58         }