1 <?xml version="1.0" encoding="UTF-8"?> 2 <beans xmlns="http://www.springframework.org/schema/beans" 3 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4 xmlns:context="http://www.springframework.org/schema/context" 5 xmlns:util="http://www.springframework.org/schema/util" 6 xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd 7 http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.2.xsd 8 http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.2.xsd"> 9 <bean id="hw1" class="com.hanqi.HelloWorld"><!-- id="实例化的对象名" class="需要实例化的对象" --> 10 <!-- 属性注入 --> 11 <property name="name" value="jack"></property><!-- name="属性名" value="属性值" --> 12 </bean> 13 <!-- 构造器注入 --> 14 <bean id="hw2" class="com.hanqi.HelloWorld"> 15 <constructor-arg index="0" value="Tom"></constructor-arg><!-- 按索引匹配入参 --> 16 </bean> 17 <!-- 构造器注入 --> 18 <bean id="hw3" class="com.hanqi.HelloWorld"> 19 <constructor-arg type="int" value="20"></constructor-arg><!-- 按照数据类型匹配入参 --> 20 <constructor-arg type="java.lang.String" value="Mike"></constructor-arg> 21 </bean> 22 <!-- 构造器注入 --> 23 <bean id="hw4" class="com.hanqi.HelloWorld"> 24 <!--按照属性名匹配入参 如果只设定value，那么就按照参数个数寻找匹配上的第一个构造方法 --> 25 <constructor-arg name="name"> <value><![CDATA[<Rose>]]></value></constructor-arg> 26 <constructor-arg name="age" value="30"></constructor-arg> 27 </bean> 28 <!-- 外部Bean --> 29 <bean id="us1" class="com.hanqi.User"> 30 <property name="userCode" value="123"></property> 31 <property name="userName" value="张三"></property> 32 </bean> 33 <bean id="hw5" class="com.hanqi.HelloWorld"> 34 <property name="user" ref="us1"></property><!-- 传入外部Bean给属性赋值 --> 35 </bean> 36 <!-- 内部Bean --> 37 <bean id="hw6" class="com.hanqi.HelloWorld"> 38 <property name="user" > 39 <bean class="com.hanqi.User"> 40 <property name="userCode" value="123"></property> 41 <property name="userName" value="李四"></property> 42 </bean> 43 </property> 44 </bean> 45 <!-- 给List集合进行赋值 --> 46 <util:list id="namelist"> 47 <value>"abc"</value> 48 <value>"ABC"</value> 49 <value>"DEF"</value> 50 </util:list> 51 <bean id="hw7" class="com.hanqi.HelloWorld"> 52 <property name="names" ref="namelist"></property><!-- 给list类型的属性进行赋值 --> 53 </bean> 54 <!-- 给set集合进行赋值 --> 55 <util:set id="nameset"> 56 <value>"abc"</value> 57 </util:set> 58 <!-- 给map集合进行赋值 --> 59 <util:map id="namemap"> 60 <entry key="u1" value="淄博1"></entry> 61 <entry key="u2" value="淄博2"></entry> 62 <entry key="u3" value="淄博3"></entry> 63 <entry key="u4" value="淄博4"></entry> 64 </util:map> 65 66 </beans>
1 package com.hanqi;
2
3 import java.util.List;
4
5 public class HelloWorld
6 {
7 private String name;
8 private int age;
9
10 private User user;
11 private List<String> names;
12
13
14
15 public List<String> getNames() {
16 return names;
17 }
18
19 public void setNames(List<String> names) {
20 this.names = names;
21 }
22 public User getUser() {
23 return user;
24 }
25 public void setUser(User user) {
26 this.user = user;
27 }
28
29 public String getName() {
30 return name;
31 }
32
33 public void setName(String name) {
34 this.name = name;
35 }
36
37 public int getAge() {
38 return age;
39 }
40
41 public void setAge(int age) {
42 this.age = age;
43 }
44
45
46
47 public HelloWorld( int age,String name) {
48 super();
49 this.age = age;
50 this.name = name;
51 }
52
53 public HelloWorld(String name, int age) {
54 super();
55 this.name = name;
56 this.age = age;
57 }
58
59 public HelloWorld(String name) {
60 super();
61 this.name = name;
62 }
63
64 public HelloWorld() {
65 super();
66 }
67
68
69
70
71 public void sayHello()
72 {
73 System.out.println("你好"+name);
74 }
75
76 public void sayHelloUser()
77 {
78 System.out.println("你好User"+user.getUserName());
79 }
80
81 public void ShowList()
82 {
83 System.out.println(names);
84 }
85 }
1 package com.hanqi;
2
3 public class User
4 {
5 private String userCode;
6
7 private String userName;
8
9 public String getUserCode() {
10 return userCode;
11 }
12 public void setUserCode(String userCode) {
13 this.userCode = userCode;
14 }
15 public String getUserName() {
16 return userName;
17 }
18 public void setUserName(String userName) {
19 this.userName = userName;
20 }
21 }
1 package com.hanqi;
2
3 import org.springframework.context.ApplicationContext;
4 import org.springframework.context.support.ClassPathXmlApplicationContext;
5
6 public class Test
7 {
8
9 public static void main(String[] args)
10 {
11 HelloWorld hw=new HelloWorld();
12 hw.setName("tom");
13 hw.sayHello();
14 //spring方式
15 //1得到Spring的IOC容器
16 ApplicationContext ac=new ClassPathXmlApplicationContext("applicationContext.xml");
17 //2从容器中得到bean实例
18 HelloWorld hw1=(HelloWorld)ac.getBean("hw1");//得到的是对象，需要转成需要的类型
19 //3调用方法
20 hw1.sayHello();
21
22 HelloWorld hw2=(HelloWorld)ac.getBean("hw2");
23 hw2.sayHello();
24
25 HelloWorld hw3=(HelloWorld)ac.getBean("hw3");
26 hw3.sayHello();
27
28 HelloWorld hw4=(HelloWorld)ac.getBean("hw4");
29 hw4.sayHello();
30
31 HelloWorld hw5=(HelloWorld)ac.getBean("hw5");
32 hw5.sayHelloUser();
33
34 HelloWorld hw6=(HelloWorld)ac.getBean("hw6");
35 hw6.sayHelloUser();
36
37 HelloWorld hw7=(HelloWorld)ac.getBean("hw7");
38 hw7.ShowList();
39 }
40
41 }
来源：https://www.cnblogs.com/kekecom/p/5721928.html