设计模式-简单工厂模式（Simple Factory）

1
package
cn.foxeye.design.simple.factory;
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3

public

interface
Product {
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5

void
operation();
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}
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1
package
cn.foxeye.design.simple.factory;
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3

public

class
Product1
implements
Product {
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5
@Override
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public

void
operation() {
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System.out.println(
"
产品1执行操作
"
);
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}
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}
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1
package
cn.foxeye.design.simple.factory;
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3

public

class
Product2
implements
Product {
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5
@Override
6

public

void
operation() {
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System.out.println(
"
产品2执行操作
"
);
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}
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10
}
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1
package
cn.foxeye.design.simple.factory;
2

3

public

class
ProductFactory {
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5

public

static
Product createProduct(String productName) {
6

if
(
"
1
"
.equals(productName)) {
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return

new
Product1();
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}
else

if
(
"
2
"
.equals(productName)) {
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return

new
Product2();
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}
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return

null
;
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}
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}
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package
cn.foxeye.design.simple.factory;
2

3

public

class
Main {
4

5

public

static

void
main(String[] args) {
6
Product product1
=
ProductFactory.createProduct(
"
1
"
);
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product1.operation();
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Product product2
=
ProductFactory.createProduct(
"
2
"
);
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product2.operation();
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}
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}
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