iii.第三種注入方式：p名稱空間注入

bean:

package com.atguigu.spring;/*** 演示使用set方法進(jìn)行注入屬性*/ public class Book {private String bname;private String bauthor;public String getBname() {return bname;}public void setBname(String bname) {this.bname = bname;}public String getBauthor() {return bauthor;}public void setBauthor(String bauthor) {this.bauthor = bauthor;}public void testDemo(){System.out.println(bname + "::" + bauthor);} }

（1）使用p名稱空間注入，可以簡(jiǎn)化基于xml配置方式

第一步 添加p名稱空間在配置文件中

<?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"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"></beans>

第二步 進(jìn)行屬性注入，在bean標(biāo)簽里面進(jìn)行操作

<?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"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"><bean id = "book" class = "com.atguigu.spring.Book" p:bName="九陽勝功" p:author = "無名氏"></bean> </beans> package com.atguigu.testdemo;import com.atguigu.spring.Book; import org.junit.Test; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext;public class TestSpring05 {@Testpublic void testAdd(){ApplicationContext context = new ClassPathXmlApplicationContext("bean1.xml");//2.獲取配置創(chuàng)建的對(duì)象Book book = context.getBean(Book.class);System.out.println(book);book.testDemo();}}

總結(jié)

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