1.SpEL为bean动态赋值

2.Address.java

package com.huangliusong.spring.autowire.spel;public class Address {	private String city;	public String getCity() {		return city;	}	@Override	public String toString() {		return "Address [city=" + city + ", street=" + street + "]";	}	public Address() {		super();		// TODO Auto-generated constructor stub	}	public void setCity(String city) {		this.city = city;	}	public Address(String city, String street) {		super();		this.city = city;		this.street = street;	}	public String getStreet() {		return street;	}	public void setStreet(String street) {		this.street = street;	}	private String street;}

package com.huangliusong.spring.autowire.spel;public class Car {	private String brand;	private double price;	//轮胎的周长	private double tyrePerimeter;	public double getTyrePerimeter() {		return tyrePerimeter;	}	public void setTyrePerimeter(double tyrePerimeter) {		this.tyrePerimeter = tyrePerimeter;	}	public String getBrand() {		return brand;	}	public Car(String brand, double price) {		super();		this.brand = brand;		this.price = price;	}	@Override	public String toString() {		return "Car [brand=" + brand + ", price=" + price + ", tyrePerimeter="				+ tyrePerimeter + "]";	}	public void setBrand(String brand) {		this.brand = brand;	}	public Car() {		System.err.println("car 构造方法");	}	public double getPrice() {		return price;	}	public void setPrice(double price) {		this.price = price;	}	}

package com.huangliusong.spring.autowire.spel;public class Person {	private String name;	private String info;	// 引用address的city属性	private String city;	public String getInfo() {		return info;	}	public void setInfo(String info) {		this.info = info;	}	// 根据car的price确定info car的price>=300000; 金领	// 否则为白领	public String getName() {		return name;	}	public String getCity() {		return city;	}	public void setCity(String city) {		this.city = city;	}	public void setName(String name) {		this.name = name;	}	public Person() {		super();		// TODO Auto-generated constructor stub	}	@Override	public String toString() {		return "Person [name=" + name + ", info=" + info + ", city=" + city				+ ", car=" + car + "]";	}	public Person(String name, String info, String city, Car car) {		super();		this.name = name;		this.info = info;		this.city = city;		this.car = car;	}	public Car getCar() {		return car;	}	public void setCar(Car car) {		this.car = car;	}	private Car car;}

package com.huangliusong.spring.autowire.spel;import org.junit.Test;import org.springframework.context.ApplicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;public class TestAutowire {	@Test	public void test1() {		ApplicationContext ctx = new ClassPathXmlApplicationContext(				"bean_spel.xml");		Address address = (Address) ctx.getBean("address");		System.out.println(address);	}	@Test	public void test2() {		ApplicationContext ctx = new ClassPathXmlApplicationContext(				"bean_spel.xml");		Car car = (Car) ctx.getBean("car");		System.out.println(car);	}	@Test	public void test3() {		ApplicationContext ctx = new ClassPathXmlApplicationContext(				"bean_spel.xml");		Person car = (Person) ctx.getBean("person");		System.out.println(car);	}}

6.bean_spel.xml