fix PageUtil bug

hutool-db/src/test/java/cn/hutool/db/DbTest.java

@@ -28,6 +28,15 @@ public class DbTest {
 		Assert.assertEquals("王五", find.get(0).get("name"));
 	}
 
+	@Test
+	public void pageTest() throws SQLException {
+		// 测试数据库中一共4条数据，第0页有3条，第1页有1条
+		List<Entity> page0 = Db.use().page(Entity.create("user"), 0, 3);
+		Assert.assertEquals(3, page0.size());
+		List<Entity> page1 = Db.use().page(Entity.create("user"), 1, 3);
+		Assert.assertEquals(1, page1.size());
+	}
+
 	@Test
 	public void findLikeTest() throws SQLException {
 		// 方式1

hutool-db/src/test/java/cn/hutool/db/FindBeanTest.java

@@ -1,15 +1,12 @@
 package cn.hutool.db;
 
-import java.sql.SQLException;
-import java.util.List;
-
+import cn.hutool.db.pojo.User;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-import cn.hutool.db.Db;
-import cn.hutool.db.Entity;
-import cn.hutool.db.pojo.User;
+import java.sql.SQLException;
+import java.util.List;
 
 /**
  * Entity测试