fix count bug

hutool-db/src/main/java/cn/hutool/db/AbstractDb.java

@@ -682,7 +682,7 @@ public abstract class AbstractDb implements Serializable {
 		Connection conn = null;
 		try {
 			conn = this.getConnection();
-			return runner.count(conn, sql.build(), sql.getParamValueArray());
+			return runner.count(conn, sql);
 		} finally {
 			this.closeConnection(conn);
 		}

hutool-db/src/main/java/cn/hutool/db/SqlConnRunner.java

@@ -280,6 +280,19 @@ public class SqlConnRunner extends DialectRunner {
 		return findAll(conn, Entity.create(tableName).set(field, values));
 	}
 
+	/**
+	 * 获取查询结果总数，生成类似于 SELECT count(1) from (sql) as _count
+	 *
+	 * @param conn       数据库连接对象
+	 * @param sqlBuilder SQL构建器，包括SQL和参数
+	 * @return 结果数
+	 * @throws SQLException SQL异常
+	 * @since 5.7.0
+	 */
+	public long count(Connection conn, SqlBuilder sqlBuilder) throws SQLException {
+		return count(conn, sqlBuilder.build(), sqlBuilder.getParamValueArray());
+	}
+
 	/**
 	 * 获取查询结果总数，生成类似于 SELECT count(1) from (sql) as _count
 	 *
@@ -337,7 +350,7 @@ public class SqlConnRunner extends DialectRunner {
 	 */
 	public PageResult<Entity> page(Connection conn, SqlBuilder sqlBuilder, Page page) throws SQLException {
 		final PageResultHandler pageResultHandler = new PageResultHandler(
-				new PageResult<>(page.getPageNumber(), page.getPageSize(), (int) count(conn, sqlBuilder.build())),
+				new PageResult<>(page.getPageNumber(), page.getPageSize(), (int) count(conn, sqlBuilder)),
 				this.caseInsensitive);
 		return page(conn, sqlBuilder, page, pageResultHandler);
 	}

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

@@ -50,6 +50,17 @@ public class DbTest {
 		Assert.assertEquals(1, page1.size());
 	}
 
+	@Test
+	public void pageWithParamsTest() throws SQLException {
+		String sql = "select * from user where name = ?";
+		PageResult<Entity> result = Db.use().page(
+				sql, Page.of(0, 3), "张三");
+
+		Assert.assertEquals(2, result.getTotal());
+		Assert.assertEquals(1, result.getTotalPage());
+		Assert.assertEquals(2, result.size());
+	}
+
 	@Test
 	public void countTest() throws SQLException {
 		final long count = Db.use().count("select * from user");