first commit

src/main/java/com/peanut/common/utils/ConstantPropertiesUtil.java

@@ -0,0 +1,31 @@
+package com.peanut.common.utils;
+
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.PropertySource;
+import org.springframework.stereotype.Component;
+
+@Component
+@PropertySource("classpath:application.properties") //变量名需要与配置文件相匹配
+public class ConstantPropertiesUtil implements InitializingBean {
+
+    @Value("${wx.open.app_id}")
+    private String appId;
+
+    @Value("${wx.open.app_secret}")
+    private String appSecret;
+
+    @Value("${wx.open.redirect_url}")
+    private String redirectUrl;
+
+    public static String WX_OPEN_APP_ID;
+    public static String WX_OPEN_APP_SECRET;
+    public static String WX_OPEN_REDIRECT_URL;
+
+    @Override
+    public void afterPropertiesSet() throws Exception {
+        WX_OPEN_APP_ID = appId;
+        WX_OPEN_APP_SECRET = appSecret;
+        WX_OPEN_REDIRECT_URL = redirectUrl;
+    }
+}