47 lines
1.0 KiB
Go
47 lines
1.0 KiB
Go
package convx
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import (
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"errors"
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"fmt"
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"strconv"
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)
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// interface 转 string
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func ToString(val interface{}) (str string, err error) {
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switch v := val.(type) {
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case nil:
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return "", fmt.Errorf("can not convert to string")
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case string:
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return v, nil
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case int:
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return strconv.Itoa(v), nil
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case int8:
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return strconv.FormatInt(int64(v), 10), nil
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case int16:
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return strconv.FormatInt(int64(v), 10), nil
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case int32:
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return strconv.FormatInt(int64(v), 10), nil
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case int64:
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return strconv.FormatInt(v, 10), nil
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case float32:
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return strconv.FormatFloat(float64(v), 'f', -1, 32), nil
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case float64:
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return strconv.FormatFloat(v, 'f', -1, 64), nil
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case bool:
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return strconv.FormatBool(v), nil
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case uint:
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return strconv.FormatUint(uint64(v), 10), nil
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case uint8:
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return strconv.FormatUint(uint64(v), 10), nil
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case uint16:
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return strconv.FormatUint(uint64(v), 10), nil
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case uint32:
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return strconv.FormatUint(uint64(v), 10), nil
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case uint64:
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return strconv.FormatUint(v, 10), nil
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}
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return "", errors.New("can not convert to string")
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}
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