51 lines
1.2 KiB
Go
51 lines
1.2 KiB
Go
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package convx
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import (
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"errors"
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"strconv"
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)
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// interface 转 float32
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func ToFloat32(val interface{}) (f float32, err error) {
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if v, ok := val.(string); ok {
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ff, err := strconv.ParseFloat(v, 32)
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if err != nil {
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return 0, err
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}
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f = float32(ff)
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} else if v, ok := val.(float32); ok {
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return v, nil
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} else if v, ok := val.(float64); ok {
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return float32(v), nil
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} else if v, ok := val.(int); ok {
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return float32(v), nil
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} else if v, ok := val.(int8); ok {
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return float32(v), nil
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} else if v, ok := val.(int16); ok {
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return float32(v), nil
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} else if v, ok := val.(int32); ok {
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return float32(v), nil
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} else if v, ok := val.(int64); ok {
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return float32(v), nil
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} else if v, ok := val.(uint); ok {
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return float32(v), nil
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} else if v, ok := val.(uint8); ok {
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return float32(v), nil
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} else if v, ok := val.(uint16); ok {
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return float32(v), nil
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} else if v, ok := val.(uint32); ok {
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return float32(v), nil
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} else if v, ok := val.(uint64); ok {
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return float32(v), nil
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} else if v, ok := val.(bool); ok {
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if v {
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return 1, nil
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} else {
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return 0, nil
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}
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} else {
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return 0, errors.New("类型转换失败")
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}
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return
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}
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