版权声明: https://blog.csdn.net/qq_34067821/article/details/83544704
看代码先
@Component//必须有,使当前类成为一个bean对象。
public class CheckUntil {
@Autowired
private ReadApplicationUntil readApplicationUntil;
private static ReadApplicationUntil readApplicationUntils;
@PostConstruct
public void init() {
ReadApplicationUntils = readApplicationUntil;
}
public static boolean checkSignatures(String signature, String timestamp, String nonce) {
String[] strings = new String[]{nonce, ReadApplicationUntils.getToken(), timestamp};
Arrays.sort(strings);
StringBuffer stringBuffer = new StringBuffer();
for (String string : strings) {
stringBuffer.append(string);
}
if (SHA1.encode(stringBuffer.toString()).equals(signature)) {
return true;
}
return false;
}
}
@Component要用到
@Autowired
private ReadApplicationUntil readApplicationUntil; 加载的类
private static ReadApplicationUntil readApplicationUntils; static类
要用到
@PostConstruct//初始化的时候进行的操作注解
public void init() {
readApplicationUntils = readApplicationUntil;
//这里需要把static类 和需要加载的类对调,就可以使用static加载readApplicationUntil对应的类方法了
}
@PostConstruct注解作用:Spring允许开发者在受管Bean中使用它。当DI容器实例化当前受管Bean时,@PostConstruct注解的方法会被自动触发,从而完成一些初始化工作,