package com.xiaopeng.common.core.utils;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import javax.annotation.PostConstruct;
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@Component
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public class ConfigUtils {
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// 1. 正常注入非静态字段
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@Value("${token.secret}")
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private String secret;
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private static ConfigUtils instance;
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@PostConstruct
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public void init() {
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System.err.println("ConfigUtils init");
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instance = this;
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}
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// 3. 提供静态方法供外部调用
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public static String getMyConfigValue() {
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if (instance == null) {
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throw new IllegalStateException("ConfigUtils has not been initialized by Spring yet.");
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}
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return instance.secret;
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}
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// 如果需要修改值，也可以提供静态 setter (视需求而定)
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public static void setMyConfigValue(String value) {
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if (instance != null) {
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instance.secret = value;
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}
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}
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}
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