【WindowsPhone】利用反射初始化和添加 SQLite数据库

using System.Reflection

//
// 摘要:
//     表示一个程序集，它是一个可重用、无版本冲突并且可自我描述的公共语言运行时应用程序构造块。
public abstract class Assembly

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Text;
 5 using System.Threading.Tasks;
 6 using SQLite;
 7 using Backyard.Common;
 8 namespace MyAssembly.Models
 9 {
10     [Table("User")]
11     public class User
12     {
13         public User()
14         {
15         }
16         [PrimaryKey,AutoIncrement]
17         public int Id { get; set; }
18 
19         [NotNull]
20         public string Pwd { get; set; }
21         public DateTime ResetTime { get; set; }
22 
23         public AccountStatus AccountStatus { get; set; }
24 
25     }
26 }

/// <summary>
/// Executes a "create table if not exists" on the database. It also
/// creates any specified indexes on the columns of the table. It uses
/// a schema automatically generated from the specified type. You can
/// later access this schema by calling GetMapping.
/// </summary>
/// <param name="ty">Type to reflect to a database table.</param>
/// <param name="createFlags">Optional flags allowing implicit PK and indexes based on naming conventions.</param>  
/// <returns>
/// The number of entries added to the database schema.
/// </returns>
public int CreateTable(Type ty, CreateFlags createFlags = CreateFlags.None)

//根据数据库地址获取 SQLiteConnection 
public static SQLiteConnection GetConn()
{
      return new SQLiteConnection(DBSetting.DBPath);
}
//获取一个程序集对象 通过当前APP的程序集名称
Assembly ass = Assembly.Load(new AssemblyName("MyAssembly"));

//获取该程序集中的 公共类型集合
var types = ass.ExportedTypes;

using (var conn = GetConn())
{
    foreach (var t in types)
    {
         if (t.Namespace == "MyAssembly.Models")
         {
            //这个时候 ，如果数据库不存在 ，就会创建数据库
            conn.CreateTable(t);
         }
    }
}