hoteas
ff410b94c3
- 更新应用程序处理程序中的 URL 赋值逻辑，确保静态文件使用原始路径 - 修改缓存数据库的 JSON 解析方法，使用 JsonToObj 函数替代 json.Unmarshal，提升代码可读性和性能 - 在 Map 和 Slice 类型中新增获取四舍五入浮点数的方法，增强数据处理能力 - 在 Obj 类型中添加四舍五入功能，支持精度控制 - 改进数据库查询结果的处理逻辑，确保数据类型的准确性和一致性 - 优化日志格式设置，增强日志信息的可读性
484 lines
9.9 KiB
Go
484 lines
9.9 KiB
Go
package common
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import (
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"bytes"
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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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"strings"
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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 val := obj.(type) {
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case Map:
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v = val
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case map[string]interface{}:
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v = Map(val)
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case string:
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result, e2 := JsonToObj(val)
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if e2 != nil {
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err = errors.New("没有合适的转换对象！" + e2.Error())
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v = nil
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} else if m, ok := result.(map[string]interface{}); ok {
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v = m
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} else {
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err = errors.New("没有合适的转换对象！")
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v = nil
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}
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default:
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var data []byte
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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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break
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}
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result, e2 := JsonToObj(string(data))
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if e2 != nil {
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err = errors.New("没有合适的转换对象！" + e2.Error())
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v = nil
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} else if m, ok := result.(map[string]interface{}); ok {
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v = m
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} else {
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err = errors.New("没有合适的转换对象！")
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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 := make([]Map, 0, len(s))
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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 val := obj.(type) {
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case Slice:
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v = val
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case []interface{}:
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v = Slice(val)
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case []string:
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v = make(Slice, len(val))
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for i, s := range val {
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v[i] = s
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}
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case string:
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result, e2 := JsonToObj(val)
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if e2 != nil {
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err = e2
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} else if s, ok := result.([]interface{}); ok {
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v = s
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} else {
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err = errors.New("没有合适的转换对象！")
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}
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default:
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var data []byte
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data, err = json.Marshal(obj)
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if err != nil {
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break
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}
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result, e2 := JsonToObj(string(data))
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if e2 != nil {
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err = e2
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} else if s, ok := result.([]interface{}); ok {
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v = s
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} else {
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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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}
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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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// 先分离日期和时间部分，再对日期各段补零，避免时间中的数字被误处理
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datePart := tStr
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timePart := ""
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if idx := strings.Index(tStr, " "); idx > 0 {
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datePart = tStr[:idx]
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timePart = tStr[idx:] // 含前导空格
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}
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dateSegs := strings.Split(datePart, "-")
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for i, seg := range dateSegs {
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if seg == "" {
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continue
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}
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if len(seg) == 1 {
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dateSegs[i] = "0" + seg
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}
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}
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tStr = strings.Join(dateSegs, "-") + timePart
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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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// 缓存字符串，避免重复调用
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tIntStr := ObjToStr(tInt)
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tIntLen := len(tIntStr)
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//纳秒级别
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if tIntLen > 16 {
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t := time.UnixMicro(tInt / 1000)
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return &t
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//微秒级别
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} else if tIntLen > 13 {
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t := time.UnixMicro(tInt)
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return &t
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//毫秒级别
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} else if tIntLen > 10 {
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t := time.UnixMilli(tInt)
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return &t
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//秒级别
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} else if tIntLen > 9 {
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t := time.Unix(tInt, 0)
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return &t
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} else if tIntLen > 3 {
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t, e := time.Parse("2006", tIntStr)
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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 nil
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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 val := obj.(type) {
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case int:
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v = float64(val)
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case int64:
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v = float64(val)
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case string:
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value, e2 := strconv.ParseFloat(val, 64)
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if e2 != nil {
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err = e2
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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 = val
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case float32:
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// 通过 string 中转避免 float32→float64 精度膨胀（如 float32(1.2) 直接转得 1.200000047...）
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v, _ = strconv.ParseFloat(strconv.FormatFloat(float64(val), 'f', -1, 32), 64)
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case []byte:
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// 数据库 driver 有时以 []byte 返回数值字符串
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value, e2 := strconv.ParseFloat(string(val), 64)
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if e2 != nil {
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err = e2
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} else {
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v = value
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}
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default:
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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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// ObjToRoundFloat64 将 obj 转为 float64 后四舍五入到 precision 位小数。
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// precision < 0 时不做舍入，直接返回原始 float64。
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func ObjToRoundFloat64(obj interface{}, precision int, e ...*Error) float64 {
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f := ObjToFloat64(obj, e...)
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if precision < 0 {
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return f
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}
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pow := math.Pow10(precision)
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return math.Round(f*pow) / pow
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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 int64(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 val := obj.(type) {
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case int:
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v = int64(val)
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case int64:
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v = val
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case string:
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value, e2 := StrToInt(val)
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if e2 != nil {
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// fallback：处理 "1.20" 这类带小数点的整数字符串
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if fv, fe := strconv.ParseFloat(val, 64); fe == nil {
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v = int64(fv)
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} else {
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err = e2
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}
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} else {
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v = int64(value)
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}
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case []byte:
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// 数据库 driver 有时以 []byte 返回整数字符串
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value, e2 := StrToInt(string(val))
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if e2 != nil {
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// fallback：处理 "1.20" 这类带小数点的整数字符串
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if fv, fe := strconv.ParseFloat(string(val), 64); fe == nil {
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v = int64(fv)
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} else {
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err = e2
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}
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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(val)
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case float32:
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v = int64(val)
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default:
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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 val := obj.(type) {
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case bool:
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v = val
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default:
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var intErr Error
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toInt := ObjToInt(obj, &intErr)
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if intErr.GetError() != nil {
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err = errors.New("没有合适的转换对象！")
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} else if toInt != 0 {
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v = true
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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 ObjToStr(obj interface{}) 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 val := obj.(type) {
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case int:
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str = strconv.Itoa(val)
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case uint8:
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str = strconv.Itoa(int(val))
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case int64:
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str = strconv.FormatInt(val, 10)
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case []byte:
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str = string(val)
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case string:
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str = val
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case float64:
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str = strconv.FormatFloat(val, 'f', -1, 64)
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case float32:
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str = strconv.FormatFloat(float64(val), 'f', -1, 32)
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case bool:
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str = strconv.FormatBool(val)
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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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// JsonToObj 将 JSON 字符串反序列化为 interface{}，保留数字原始类型。
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// 标准 json.Unmarshal 会把所有 JSON 数字变成 float64，本函数保留整数为 int64、小数为 float64。
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//
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// JsonToObj(`{"id":2,"price":1.20}`) → map{"id": int64(2), "price": float64(1.2)}
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// JsonToObj(`[1, 2.5, "a"]`) → []interface{}{int64(1), float64(2.5), "a"}
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func JsonToObj(jsonStr string) (interface{}, error) {
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dec := json.NewDecoder(bytes.NewReader([]byte(jsonStr)))
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dec.UseNumber()
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var result interface{}
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if err := dec.Decode(&result); err != nil {
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return nil, err
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}
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return fixJsonNumbers(result), nil
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}
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// fixJsonNumbers 递归将 json.Number 转为 int64 或 float64
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func fixJsonNumbers(v interface{}) interface{} {
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switch val := v.(type) {
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case json.Number:
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if n, err := val.Int64(); err == nil {
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return n
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}
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if f, err := val.Float64(); err == nil {
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return f
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}
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return string(val)
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case map[string]interface{}:
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for k, item := range val {
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val[k] = fixJsonNumbers(item)
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}
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return val
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case []interface{}:
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for i, item := range val {
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val[i] = fixJsonNumbers(item)
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}
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return val
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default:
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return val
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}
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}
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// 转换为Map
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func StrToMap(s string) Map {
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data := Map{}
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data.JsonToMap(s)
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return data
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}
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// 转换为Slice
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func StrToSlice(s string) Slice {
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return ObjToSlice(s)
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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 = `[` + 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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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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