54 lines
970 B
Go
54 lines
970 B
Go
package db
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import (
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"database/sql"
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"fmt"
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)
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func (c *Client) QueryRows(query string, args ...any) ([]map[string]any, error) {
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if c.Conn == nil {
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return nil, fmt.Errorf("database connection is nil")
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}
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rows, err := c.Conn.Query(query, args...)
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if err != nil {
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return nil, err
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}
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defer func(rows *sql.Rows) {
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_ = rows.Close()
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}(rows)
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// 获取列名
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columns, err := rows.Columns()
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if err != nil {
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return nil, err
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}
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results := make([]map[string]any, 0)
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for rows.Next() {
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// 为每列创建一个接口值的 slice
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values := make([]any, len(columns))
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valuePtrs := make([]any, len(columns))
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for i := range columns {
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valuePtrs[i] = &values[i]
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}
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if err := rows.Scan(valuePtrs...); err != nil {
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return nil, err
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}
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rowMap := make(map[string]any)
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for i, col := range columns {
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rowMap[col] = values[i]
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}
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results = append(results, rowMap)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return results, nil
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}
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