u

code/app/app-go/pkg/db/select.go

@@ -50,6 +50,69 @@ func (c *Client) LoadData(
 	return c.query(ctx, sql, args...)
 }
 
+func (c *Client) LoadDataPage(
+	ctx context.Context,
+	viewName string,
+	searchCondition string,
+	orderBy string,
+	searchColumns []string,
+	args []any,
+	page int,
+	pageSize int,
+) ([]map[string]any, int, error) {
+
+	selectCols := "*"
+	if len(searchColumns) > 0 {
+		selectCols = strings.Join(searchColumns, ", ")
+	}
+
+	where := ""
+	if searchCondition != "" {
+		where = " WHERE " + searchCondition
+	}
+
+	// 1. COUNT 查询
+	countSQL := fmt.Sprintf("SELECT COUNT(*) FROM %s%s", viewName, where)
+	countSQL = convertPlaceholder(countSQL)
+
+	var total int
+	err := c.pool.QueryRow(ctx, countSQL, args...).Scan(&total)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	// 2. 分页数据查询
+	order := ""
+	if orderBy != "" {
+		order = " ORDER BY " + orderBy
+	}
+
+	offset := (page - 1) * pageSize
+	dataSQL := fmt.Sprintf(
+		"SELECT %s FROM %s%s%s LIMIT %d OFFSET %d",
+		selectCols,
+		viewName,
+		where,
+		order,
+		pageSize,
+		offset,
+	)
+
+	logger.FromCtx(ctx).Info("LoadDataPage",
+		zap.String("countSQL", countSQL),
+		zap.String("dataSQL", dataSQL),
+		zap.Any("args", args),
+		zap.Int("total", total),
+	)
+
+	rows, err := c.query(ctx, dataSQL, args...)
+	if err != nil {
+		return nil, 0, err
+	}
+
+	return rows, total, nil
+}
+
 func (c *Client) LoadDataBySQL(
 	ctx context.Context,
 	sql string,