Spring.Net Ioc 实例

配置文件 import.xml

 1 <?xml version="1.0" encoding="utf-8" ?>

 2 <objects xmlns="http://www.springframework.net" xmlns:aop="http://www.springframework.net/aop">

 3 

 4   <!--带参数的构造函数-->

 5   <object id="HelloWorld1" type="IocApp.HelloWorld, IocApp">

 6     <constructor-arg name="name" value="Wang" />

 7     <constructor-arg name="age" value="23" />

 8   </object>

 9 

10   <!--不带参数的构造函数,并且给属性赋值-->

11   <object id="HelloWorld2" type="IocApp.HelloWorld, IocApp">

12     <property name="Name" value="Tom" />

13   </object>

14   <!--静态工厂方法创建对象-->

15   <object id="HelloWorld3" type="IocApp.HelloWorld, IocApp" factory-method="Create"/>

16 

17   <!--实例工厂方法创建对象-->

18   <object id="HelloWorld4" type="IocApp.HelloWorld, IocApp" factory-method="Build" factory-object="builder" />

19   <object id="builder" type="IocApp.Builder, IocApp" />

20 

21   <!--对象初始化方法-->

22   <object id="HelloWorld5" type="IocApp.HelloWorld, IocApp" init-method="Init" singleton="false"/>

23 

24   <!--工厂类 的静态工厂方法 不带参数-->

25   <object id="HelloWorld6" type="IocApp.Builder, IocApp" factory-method="StaticBuild" />

26 

27   <!--工厂类 的静态工厂方法 带参数  且参数为Type类型-->

28   <object id="HelloWorld7" type="IocApp.Builder, IocApp" factory-method="StaticBuild">

29      <constructor-arg name="type" value="IocApp.HelloWorld, IocApp"/>       

30   </object> 

31 </objects>

 1     using Spring.Core;

 2     using Spring.Context;

 3     using Spring.Context.Support;

 4 

 5     public class Builder

 6     {

 7         public  HelloWorld Build()

 8         {

 9             return new HelloWorld("Builder", 30);

10         }

11 

12         public static HelloWorld StaticBuild()

13         {

14             return new HelloWorld("StaticBuilder", 21);

15         }

16 

17 

18         public static  object StaticBuild(Type type)

19         {

20            return   Activator.CreateInstance(type);           

21         }

22 

23     }

24 

25     public class HelloWorld

26     {

27         private string name;

28         private int age;

29 

30         public HelloWorld(string name, int age)

31         {

32             this.name = name;

33             this.age = age;

34         }

35         public string Name

36         {

37             get

38             {

39                 return name;

40             }

41             set

42             {

43                 name=value;

44 

45             }

46         }

47       

48         public HelloWorld()

49         {

50            

51         }

52 

53         public void init()

54         {

55             name="init Name";

56             age=29;

57         }

58         public static HelloWorld Create()

59         {

60             return new HelloWorld("wangQiang", 25);

61         }

62         public override string ToString()

63         {

64             return String.Format("Name={0}; Age={1}", name, age);

65         }

66     }

67 

68     public class Program

69     {

70         static  IApplicationContext context = new XmlApplicationContext(@"..\..\import.xml");

71         static void Main(string[] args)

72         {

73 

74 

75             for (int i=1; i<=7; i++)

76                 Show("HelloWorld"+i);

77  

78             Console.ReadKey();

79         }

80 

81         static void Show(string id)

82         {

83             object o1=context.GetObject(id);

84             object o2=context.GetObject(id);

85             Console.WriteLine(o1);

86             Console.WriteLine(id+ "  IsEqueals:"+ object.ReferenceEquals(o1, o2)); // output: true

87         }

88        

89     }