feat: 国际化

backend/src/main/java/io/dataease/controller/handler/annotation/I18n.java

+package io.dataease.controller.handler.annotation;
+
+
+import io.dataease.commons.constants.I18nConstants;
+
+import java.lang.annotation.*;
+
+@Documented
+@Inherited
+@Target(ElementType.METHOD)
+@Retention(RetentionPolicy.RUNTIME)
+public @interface I18n {
+    String value() default I18nConstants.LANG_COOKIE_NAME;
+}

backend/src/main/java/io/dataease/exception/DataEaseException.java

+package io.dataease.exception;
+
+public class DataEaseException extends RuntimeException {
+
+    private DataEaseException(String message) {
+        super(message);
+    }
+
+    private DataEaseException(Throwable t) {
+        super(t);
+    }
+
+    public static void throwException(String message) {
+        throw new DataEaseException(message);
+    }
+
+    public static DataEaseException getException(String message) {
+        throw new DataEaseException(message);
+    }
+
+    public static void throwException(Throwable t) {
+        throw new DataEaseException(t);
+    }
+}