Spring注入static变量

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Spring注入static变量的两种方式。

使用setter方法

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@Service("userService")
public class UserService implements IUserService {

    public static String hello;

    @Value("${hello.value}")
    public void setHello(String hello) {
        hello = hello;
    }

}

在spring容器中注入对象时赋值

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@Service("userService")
public class UserService implements IUserService {

    public static String hello;

    @Value("${hello.value}")
    private String pHello;

    @PostConstruct
    public void init() {
        hello = pHello;
    }
    
}