forked from golang/hotime
393 lines
7.0 KiB
Go
393 lines
7.0 KiB
Go
package common
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import (
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"encoding/json"
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"errors"
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"math"
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"strconv"
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"time"
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)
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//仅限于hotime.Slice
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func ObjToMap(obj interface{}, e ...*Error) Map {
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var err error
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var v Map
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if obj == nil {
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v = nil
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err = errors.New("没有合适的转换对象！")
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} else {
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switch obj.(type) {
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case Map:
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v = obj.(Map)
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case map[string]interface{}:
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v = obj.(map[string]interface{})
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case string:
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v = Map{}
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e := json.Unmarshal([]byte(obj.(string)), &v)
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if e != nil {
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err = errors.New("没有合适的转换对象！" + e.Error())
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v = nil
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}
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default:
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data, err := json.Marshal(obj)
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if err != nil {
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err = errors.New("没有合适的转换对象！" + err.Error())
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v = nil
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}
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v = Map{}
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e := json.Unmarshal(data, &v)
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if e != nil {
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err = errors.New("没有合适的转换对象！" + e.Error())
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v = nil
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}
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}
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}
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if len(e) != 0 {
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e[0].SetError(err)
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}
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return v
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}
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func ObjToMapArray(obj interface{}, e ...*Error) []Map {
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s := ObjToSlice(obj, e...)
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res := []Map{}
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for i := 0; i < len(s); i++ {
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res = append(res, s.GetMap(i))
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}
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return res
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}
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//仅限于hotime.Slice
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func ObjToSlice(obj interface{}, e ...*Error) Slice {
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var err error
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var v Slice
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if obj == nil {
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v = nil
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err = errors.New("没有合适的转换对象！")
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} else {
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switch obj.(type) {
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case Slice:
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v = obj.(Slice)
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case []interface{}:
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v = obj.([]interface{})
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case []string:
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v = Slice{}
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for i := 0; i < len(obj.([]string)); i++ {
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v = append(v, obj.([]string)[i])
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}
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case string:
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v = Slice{}
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err = json.Unmarshal([]byte(obj.(string)), &v)
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default:
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v = Slice{}
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var data []byte
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data, err = json.Marshal(obj)
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err = json.Unmarshal(data, &v)
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}
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}
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if len(e) != 0 {
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e[0].SetError(err)
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}
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return v
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}
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func ObjToTime(obj interface{}, e ...*Error) time.Time {
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tInt := ObjToInt64(obj)
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//字符串类型，只支持标准mysql datetime格式
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if tInt == 0 {
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tStr := ObjToStr(obj)
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if len(tStr) > 18 {
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t, e := time.Parse("2006-01-02 15:04:05", tStr)
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if e == nil {
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return t
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}
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} else if len(tStr) > 15 {
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t, e := time.Parse("2006-01-02 15:04", tStr)
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if e == nil {
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return t
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}
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} else if len(tStr) > 12 {
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t, e := time.Parse("2006-01-02 15", tStr)
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if e == nil {
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return t
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}
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} else if len(tStr) > 9 {
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t, e := time.Parse("2006-01-02", tStr)
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if e == nil {
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return t
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}
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} else if len(tStr) > 6 {
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t, e := time.Parse("2006-01", tStr)
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if e == nil {
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return t
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}
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}
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}
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//纳秒级别
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if len(ObjToStr(tInt)) > 16 {
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t := time.Time{}.Add(time.Nanosecond * time.Duration(tInt))
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return t
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//微秒级别
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} else if len(ObjToStr(tInt)) > 13 {
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t := time.Time{}.Add(time.Microsecond * time.Duration(tInt))
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return t
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//毫秒级别
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} else if len(ObjToStr(tInt)) > 10 {
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t := time.Time{}.Add(time.Millisecond * time.Duration(tInt))
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return t
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//秒级别
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} else if len(ObjToStr(tInt)) > 9 {
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t := time.Time{}.Add(time.Second * time.Duration(tInt))
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return t
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} else if len(ObjToStr(tInt)) > 3 {
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t, e := time.Parse("2006", ObjToStr(tInt))
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if e == nil {
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return t
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}
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}
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return time.Time{}
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}
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func ObjToFloat64(obj interface{}, e ...*Error) float64 {
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var err error
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v := float64(0)
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if obj == nil {
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err = errors.New("没有合适的转换对象！")
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} else {
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switch obj.(type) {
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case int:
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v = float64(obj.(int))
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case int64:
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v = float64(obj.(int64))
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case string:
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value, e := strconv.ParseFloat(obj.(string), 64)
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if e != nil {
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v = float64(0)
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err = e
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} else {
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v = value
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}
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case float64:
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v = obj.(float64)
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case float32:
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v = float64(obj.(float32))
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case uint8:
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value, e := strconv.ParseFloat(obj.(string), 64)
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if e != nil {
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v = float64(0)
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err = e
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} else {
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v = value
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}
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default:
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v = float64(0)
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err = errors.New("没有合适的转换对象！")
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}
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}
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if math.IsNaN(v) {
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err = errors.New("float64 is NaN")
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v = 0
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}
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if math.IsInf(v, 0) {
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err = errors.New("float64 is Inf")
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v = 0
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}
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if len(e) != 0 {
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e[0].SetError(err)
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}
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return v
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}
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//向上取整
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func ObjToCeilInt64(obj interface{}, e ...*Error) int64 {
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f := ObjToCeilFloat64(obj, e...)
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return ObjToInt64(math.Ceil(f))
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}
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//向上取整
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func ObjToCeilFloat64(obj interface{}, e ...*Error) float64 {
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f := ObjToFloat64(obj, e...)
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return math.Ceil(f)
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}
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//向上取整
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func ObjToCeilInt(obj interface{}, e ...*Error) int {
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f := ObjToCeilFloat64(obj, e...)
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return ObjToInt(f)
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}
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func ObjToInt64(obj interface{}, e ...*Error) int64 {
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var err error
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v := int64(0)
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if obj == nil {
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err = errors.New("没有合适的转换对象！")
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} else {
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switch obj.(type) {
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case int:
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v = int64(obj.(int))
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case int64:
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v = obj.(int64)
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case string:
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value, e := StrToInt(obj.(string))
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if e != nil {
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v = int64(0)
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err = e
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} else {
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v = int64(value)
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}
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case uint8:
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value, e := StrToInt(obj.(string))
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if e != nil {
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v = int64(0)
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err = e
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} else {
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v = int64(value)
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}
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case float64:
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v = int64(obj.(float64))
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case float32:
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v = int64(obj.(float32))
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default:
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v = int64(0)
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err = errors.New("没有合适的转换对象！")
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}
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}
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if len(e) != 0 {
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e[0].SetError(err)
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}
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return v
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}
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func ObjToInt(obj interface{}, e ...*Error) int {
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v := ObjToInt64(obj, e...)
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return int(v)
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}
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func ObjToBool(obj interface{}, e ...*Error) bool {
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var err error
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v := false
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if obj == nil {
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err = errors.New("没有合适的转换对象！")
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} else {
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switch obj.(type) {
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case bool:
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v = obj.(bool)
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default:
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toInt := ObjToInt(obj)
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if toInt != 0 {
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v = true
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}
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err = errors.New("没有合适的转换对象！")
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}
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}
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if len(e) != 0 {
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e[0].SetError(err)
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}
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return v
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}
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func ObjToStr(obj interface{}) string {
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// fmt.Println(reflect.ValueOf(obj).Type().String() )
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str := ""
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if obj == nil {
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return str
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}
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switch obj.(type) {
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case int:
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str = strconv.Itoa(obj.(int))
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case uint8:
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str = obj.(string)
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case int64:
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str = strconv.FormatInt(obj.(int64), 10)
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case []byte:
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str = string(obj.([]byte))
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case string:
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str = obj.(string)
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case float64:
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str = strconv.FormatFloat(obj.(float64), 'f', -1, 64)
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default:
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strbte, err := json.MarshalIndent(obj, "", "\t")
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if err == nil {
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str = string(strbte)
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}
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}
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return str
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}
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//转换为Map
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func StrToMap(string string) Map {
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data := Map{}
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data.JsonToMap(string)
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return data
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}
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//转换为Slice
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func StrToSlice(string string) Slice {
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data := ObjToSlice(string)
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return data
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}
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//字符串数组: a1,a2,a3转["a1","a2","a3"]
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func StrArrayToJsonStr(a string) string {
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if len(a) > 2 {
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if a[0] == ',' {
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a = Substr(a, 1, len(a)-1)
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}
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if a[len(a)-1] == ',' {
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a = Substr(a, 0, len(a)-1)
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}
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//a = strings.Replace(a, ",", `,`, -1)
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a = `[` + a + `]`
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} else {
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a = "[]"
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}
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return a
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}
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//字符串数组: a1,a2,a3转["a1","a2","a3"]
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func JsonStrToStrArray(a string) string {
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//a = strings.Replace(a, `"`, "", -1)
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if len(a) != 0 {
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a = Substr(a, 1, len(a)-2)
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}
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return "," + a + ","
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}
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//字符串转int
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func StrToInt(s string) (int, error) {
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i, err := strconv.Atoi(s)
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return i, err
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}
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