工厂模式

最新推荐文章于 2024-10-04 22:00:56 发布

xupen.wu

最新推荐文章于 2024-10-04 22:00:56 发布

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本文链接：https://blog.youkuaiyun.com/xupeng1997/article/details/105243972

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本文详细探讨了工厂模式在软件设计中的应用，阐述了其主要思想和实现方式，包括简单工厂、工厂方法和抽象工厂模式。通过实例分析，揭示了如何使用工厂模式来封装对象创建过程，降低系统间的耦合度，提高代码的可扩展性和可维护性。

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package com.wu;
import com.factory.studyfactory;
import com.wu.xu.study;
import com.wu.xu.studyJAVA;
import com.wu.xu.stydyHTML;
public class Student {
private int stuNo;
private String stuName;
private String stuAge;
public int getStuNo() {
	return stuNo;
}
public void setStuNo(int stuNo) {
	this.stuNo = stuNo;
}
public String getStuName() {
	return stuName;
}
public void setStuName(String stuName) {
	this.stuName = stuName;
}

public String getStuAge() {
	return stuAge;
}
public void setStuAge(String stuAge) {
	this.stuAge = stuAge;
}
@Override
public String toString() {
	return "Student [stuNo=" + stuNo + ", stuName=" + stuName + ", stuAge=" + stuAge + "]";
}
//工厂的方法
public void lean(String name) {
	study lean = studyfactory.lean(name);
	lean.lean();
}
//学习java
public void leanJAVA() {
	study java = new studyJAVA();
	java.lean();
}
//学习html
public void leanHTML() {
	study html = new stydyHTML();
	html.lean();
}

}

package com.wu.xu;

public class stydyHTML implements study{

	public void lean() {
		System.out.println("学习HTML......");
		
	}

}

package com.wu.xu;

public class studyJAVA implements study{

	public void lean() {
		System.out.println("学习Java.....");
	}

}

package com.wu.xu;

public interface study {
public void lean();
}

package com.factory;

import com.wu.xu.study;
import com.wu.xu.studyJAVA;
import com.wu.xu.stydyHTML;

public class studyfactory {
public static study lean(String name) {
	if(name.equals("java")) {
		return new studyJAVA();
	}else {
		return new stydyHTML();
	}
}
}

package com.wu;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class StuTest {

	public static void Springioc() {
		// 传统的方法new 对象
		Student stu = new Student();
		stu.setStuNo(10);
		stu.setStuName("悟空");
		stu.setStuAge("6");
		System.out.println(stu);
		// ioc 依赖注入
		ApplicationContext Context = new ClassPathXmlApplicationContext("ApplicationContext.xml");
		Student bean = (Student) Context.getBean("Student");// 直接从ioc 容器拿;获取id为Student的对象
		System.out.println(bean);

	}

	public static void lean(String name) {
		Student stu = new Student();
		stu.lean(name);
	}

//学习Java
	public static void Spring() {
		Student stu = new Student();
		stu.leanHTML();
		stu.leanJAVA();
	}

//学习html
	public static void main(String[] args) {
		//创建对象调用
		Spring();
		System.out.println("=========工厂模式==========");
		//创建一个生产对象的工厂
		lean("java");
		lean("HTML");
	}
}