从嵌套类中通过依赖注入服务进行访问的方法有以下几种:
public class OuterClass {
private ServiceDependency service;
public OuterClass(ServiceDependency service) {
this.service = service;
}
public void nestedMethod() {
NestedClass nested = new NestedClass(service);
// 使用嵌套类的实例进行操作
}
private class NestedClass {
private ServiceDependency service;
public NestedClass(ServiceDependency service) {
this.service = service;
}
// 嵌套类的其他方法
}
}
public class OuterClass {
private ServiceDependency service;
public void setService(ServiceDependency service) {
this.service = service;
}
public void nestedMethod() {
NestedClass nested = new NestedClass();
nested.setService(service);
// 使用嵌套类的实例进行操作
}
private class NestedClass {
private ServiceDependency service;
public void setService(ServiceDependency service) {
this.service = service;
}
// 嵌套类的其他方法
}
}
public interface ServiceInjectable {
void setService(ServiceDependency service);
}
public class OuterClass {
private ServiceDependency service;
public void nestedMethod() {
ServiceInjectable nested = new NestedClass();
nested.setService(service);
// 使用嵌套类的实例进行操作
}
private class NestedClass implements ServiceInjectable {
private ServiceDependency service;
@Override
public void setService(ServiceDependency service) {
this.service = service;
}
// 嵌套类的其他方法
}
}
这些方法可以使嵌套类中的依赖服务在创建嵌套类实例时被注入,从而可以在嵌套类中方便地访问依赖的服务。对于这些方法的具体选择,可以根据具体的开发需求和实际情况进行选择。
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