105 lines
2.4 KiB
Plaintext
105 lines
2.4 KiB
Plaintext
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package dbUtil
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import (
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"errors"
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"time"
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)
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// 数据行结果
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type DataRow struct {
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// 所属数据表
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table *DataTable
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// 行的所有值
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cells []interface{}
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}
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// 行的所有原始值
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func (this *DataRow) CellOriginValues() []interface{} {
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return this.cells
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}
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// 值的个数
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func (this *DataRow) Len() int {
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return len(this.cells)
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}
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// 单元格的字符串值（可能为nil）,如果有设置连接字符串：parseTime=true，则会有time.Time
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// celIndex:单元格序号
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// 返回值:
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// interface{}:单元格的字符串值
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// error:错误信息
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func (this *DataRow) CellValue(celIndex int) (interface{}, error) {
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if len(this.cells) <= celIndex {
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return nil, errors.New("cell out of range")
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}
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// 检查是否为nil
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if this.cells[celIndex] == nil {
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return nil, nil
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}
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// 转换为字符串
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switch this.cells[celIndex].(type) {
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case []byte:
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return string(this.cells[celIndex].([]byte)), nil
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case string:
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return this.cells[celIndex].(string), nil
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case time.Time:
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return this.cells[celIndex].(time.Time), nil
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}
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return nil, errors.New("unknown value type")
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}
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// 单元格的字符串值（可能为nil）,如果有设置连接字符串：parseTime=true，则会有time.Time
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// cellName:单元格名称
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// 返回值:
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// interface{}:单元格的字符串值
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// error:错误信息
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func (this *DataRow) CellValueByName(cellName string) (interface{}, error) {
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celIndex := this.table.cellIndex(cellName)
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if celIndex < 0 {
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return nil, errors.New("cell name no exist")
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}
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return this.CellValue(celIndex)
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}
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// 单元格的原始值
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// celIndex:单元格序号
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// 返回值:
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// interface{}:单元格的字符串值
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// error:错误信息
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func (this *DataRow) OriginCellValue(celIndex int) (interface{}, error) {
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if len(this.cells) <= celIndex {
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return nil, errors.New("cell out of range")
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}
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return this.cells[celIndex], nil
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}
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// 单元格的原始值
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// cellName:单元格名称
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// 返回值:
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// interface{}:单元格的字符串值
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// error:错误信息
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func (this *DataRow) OriginCellValueByName(cellName string) (interface{}, error) {
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celIndex := this.table.cellIndex(cellName)
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if celIndex < 0 {
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return nil, errors.New("cell name no exist")
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}
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return this.OriginCellValue(celIndex)
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}
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// 创建单元格对象
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// _table:所属表对象
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// _cells:单元格的值集合
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func newDataRow(_table *DataTable, _cells []interface{}) *DataRow {
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return &DataRow{
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table: _table,
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cells: _cells,
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}
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}
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