增加从spring环境中读取配置的工具类，方便切换多环境或者动态从启动命令中设置参数

ruoyi-common/src/main/java/com/ruoyi/common/config/EnvironmentConfig.java

@@ -0,0 +1,148 @@
+package com.ruoyi.common.config;
+
+import com.ruoyi.common.utils.StringUtils;
+import org.springframework.beans.BeansException;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.ApplicationContextAware;
+import org.springframework.stereotype.Component;
+
+/**
+ * 从spring配置变量中获取属性值
+ * @author pineapple
+ * @date 2019-07-29
+ * @email 2443755705@qq.com
+ */
+@Component
+public class EnvironmentConfig implements ApplicationContextAware {
+
+    private static ApplicationContext context;
+
+    @Override
+    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
+        EnvironmentConfig.context = applicationContext;
+    }
+
+    public static String getConfig(String key) {
+        return context.getEnvironment().getProperty(key);
+    }
+
+    public static String getConfig(String key, String defaultValue) {
+        return context.getEnvironment().getProperty(key, defaultValue);
+    }
+
+    public static <T>T getConfig(String key, Class<T> clazz) {
+        return context.getEnvironment().getProperty(key, clazz);
+    }
+
+    public static <T>T getConfig(String key, Class<T> clazz, T defaultValue) {
+        return context.getEnvironment().getProperty(key, clazz, defaultValue);
+    }
+
+    /**
+     * 获取项目名称
+     */
+    public String getName()
+    {
+        return StringUtils.nvl(getConfig("ruoyi.name"), "RuoYi");
+    }
+
+    /**
+     * 获取项目版本
+     */
+    public String getVersion()
+    {
+        return StringUtils.nvl(getConfig("ruoyi.version"), "3.2.0");
+    }
+
+    /**
+     * 获取版权年份
+     */
+    public String getCopyrightYear()
+    {
+        return StringUtils.nvl(getConfig("ruoyi.copyrightYear"), "2018");
+    }
+
+    /**
+     * 获取ip地址开关
+     */
+    public Boolean isAddressEnabled()
+    {
+        return Boolean.valueOf(getConfig("ruoyi.addressEnabled"));
+    }
+
+    /**
+     * 获取文件上传路径
+     */
+    public String getProfile()
+    {
+        return getConfig("ruoyi.profile");
+    }
+
+    /**
+     * 获取头像上传路径
+     */
+    public String getAvatarPath()
+    {
+        return getConfig("ruoyi.profile") + "avatar/";
+    }
+
+    /**
+     * 获取下载路径
+     */
+    public String getDownloadPath()
+    {
+        //下载目录
+        // return getConfig("ruoyi.profile") + "download/";
+
+        return getConfig("ruoyi.profile") + "upload/";
+    }
+
+    public String seeProfile()
+    {
+        //下载目录
+        // return getConfig("ruoyi.profile") + "download/";
+
+        return getConfig("ruoyi.seeProfile");
+    }
+
+    /**
+     * 获取上传路径
+     */
+    public String getUploadPath()
+    {
+        return getConfig("ruoyi.profile") + "upload/";
+    }
+
+    /**
+     * 获取作者
+     */
+    public String getAuthor()
+    {
+        return StringUtils.nvl(getConfig("gen.author"), "ruoyi");
+    }
+
+    /**
+     * 生成包路径
+     */
+    public String getPackageName()
+    {
+        return StringUtils.nvl(getConfig("gen.packageName"), "com.ruoyi.project.module");
+    }
+
+    /**
+     * 是否自动去除表前缀
+     */
+    public String getAutoRemovePre()
+    {
+        return StringUtils.nvl(getConfig("gen.autoRemovePre"), "true");
+    }
+
+    /**
+     * 表前缀(类名不会包含表前缀)
+     */
+    public String getTablePrefix()
+    {
+        return StringUtils.nvl(getConfig("gen.tablePrefix"), "sys_");
+    }
+
+}