Spring bean实现接口多实现的使用
接口类:
package com.jtexplorer.service;
public interface TestService {
void putStr();
}
实现类一:
package com.jtexplorer.service.impl;
import com.jtexplorer.service.TestService;
public class TestServiceImplOne implements TestService {
@Override
public void putStr() {
System.out.println("实现类一");
}
}
实现类二:
package com.jtexplorer.service.impl;
import com.jtexplorer.service.TestService;
public class TestServiceImplTwo implements TestService {
@Override
public void putStr() {
System.out.println("实现类二");
}
}
spring配置文件bean:
<bean id="testServiceImplOne" class="com.jtexplorer.service.impl.TestServiceImplOne"/>
<bean id="testServiceImplTwo" class="com.jtexplorer.service.impl.TestServiceImplTwo"/>
使用方式一(通过Resource的name属性进行分辨):(注:在同一个类中时)
@Resource(name = "testServiceImplOne")
private TestService testService1;
@Resource(name = "testServiceImplTwo")
private TestService testService2;
使用方式一(通过Resource的name属性进行分辨):(注:在不同的类中时)
第一个类:
@Resource(name = "testServiceImplOne")
private TestService testService;
第二个类:
@Resource(name = "testServiceImplTwo")
private TestService testService;
使用方式二(通过对象名进行分辨):
@Resource
private TestService testServiceImplOne;
@Resource
private TestService testServiceImplTwo;
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