41 lines
798 B
Go
41 lines
798 B
Go
package convx
|
|
|
|
import (
|
|
"errors"
|
|
"strconv"
|
|
)
|
|
|
|
// interface 转 int
|
|
func ToInt(val interface{}) (i int, err error) {
|
|
|
|
if v, ok := val.(string); ok {
|
|
// 不支持小数转换
|
|
i, err = strconv.Atoi(v)
|
|
} else if v, ok := val.(float32); ok {
|
|
i = int(v)
|
|
} else if v, ok := val.(float64); ok {
|
|
i = int(v)
|
|
} else if v, ok := val.(int); ok {
|
|
i = v
|
|
} else if v, ok := val.(int32); ok {
|
|
i = int(v)
|
|
} else if v, ok := val.(int64); ok {
|
|
i = int(v)
|
|
} else if v, ok := val.(uint); ok {
|
|
i = int(v)
|
|
} else if v, ok := val.(uint32); ok {
|
|
i = int(v)
|
|
} else if v, ok := val.(uint64); ok {
|
|
i = int(v)
|
|
} else if v, ok := val.(bool); ok {
|
|
if v {
|
|
i = 1
|
|
} else {
|
|
i = 0
|
|
}
|
|
} else {
|
|
return 0, errors.New("类型转换失败")
|
|
}
|
|
return
|
|
}
|