自动变量处理

yzg-util-cloud/src/main/java/com/yanzuoguang/cloud/env/YzgEnvironmentPostProcessor.java

+package com.yanzuoguang.cloud.env;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.InputStream;
+import java.util.Properties;
+
+import com.yanzuoguang.util.helper.StringHelper;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.env.EnvironmentPostProcessor;
+import org.springframework.core.env.ConfigurableEnvironment;
+import org.springframework.core.env.PropertiesPropertySource;
+import org.springframework.stereotype.Component;
+
+
+/**
+ * 环境变量处理
+ */
+@Component
+public class YzgEnvironmentPostProcessor implements EnvironmentPostProcessor {
+
+    @Override
+    public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {
+        String key = "yzg.config.url";
+        String property = environment.getProperty(key);
+        if (StringHelper.isEmpty(property)) {
+            return;
+        }
+        File file = new File(property);
+        if (!file.exists()) {
+            return;
+        }
+        try (InputStream input = new FileInputStream(property)) {
+            Properties properties = new Properties();
+            properties.load(input);
+            PropertiesPropertySource propertySource = new PropertiesPropertySource("ve", properties);
+            environment.getPropertySources().addLast(propertySource);
+            System.out.println("====加载外部配置文件" + property + "完毕====");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+    }
+
+}
\ No newline at end of file

yzg-util-cloud/src/main/resources/META-INF/spring.factories

+org.springframework.boot.env.EnvironmentPostProcessor=com.yanzuoguang.cloud.env.YzgEnvironmentPostProcessor
\ No newline at end of file