简介
p 命名空间
xmlns:p="http://www.springframework.org/schema/p"
c 命名空间
xmlns:c="http://www.springframework.org/schema/c"
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:c="http://www.springframework.org/schema/c"
xsi:schemaLocation="http://www.springframework.org/schema/beans
https://www.springframework.org/schema/beans/spring-beans.xsd">
<bean id="user" class="com.guo.pojo.User" p:name="p命名空间" p:age="18"/>
<bean id="user2" class="com.guo.pojo.User" c:name="c命名空间" c:age="3" />
</beans>
使用
- 新建实体类
package com.guo.pojo;
public class User {
private String name;
private int age;
public User() {
}
public User(String name, int age) {
this.name = name;
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@Override
public String toString() {
return "User{" +
"name='" + name + '\'' +
", age=" + age +
'}';
}
}
- 在beans.xml中添加命名空间
xmlns:p="http://www.springframework.org/schema/p"
xmlns:c="http://www.springframework.org/schema/c"
- 在beans.xml中注册
<bean id="user" class="com.guo.pojo.User" p:name="p命名空间" p:age="18"/>
<bean id="user2" class="com.guo.pojo.User" c:name="c命名空间" c:age="3" />
- 测试
@Test
public void testNameSpace(){
ApplicationContext context = new ClassPathXmlApplicationContext("userBean.xml");
User user = context.getBean("user", User.class);
System.out.println(user.toString());
User user2 = context.getBean("user2", User.class);
System.out.println(user2.toString());
}