33 lines
638 B
Go
33 lines
638 B
Go
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package utils
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import (
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"reflect"
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"strings"
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)
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// StructToMapJson struct to map json tag
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func StructToMapJson(obj interface{}) map[string]interface{} {
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t := reflect.TypeOf(obj)
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v := reflect.ValueOf(obj)
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var data = make(map[string]interface{})
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for i := 0; i < t.NumField(); i++ {
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jsonKey := t.Field(i).Tag.Get("json")
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if jsonKey != "-" {
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// tagName, tagOpts
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tagName, _ := parseTags(jsonKey)
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data[tagName] = v.Field(i).Interface()
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}
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}
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return data
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}
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// parseTags "age,omitempty"
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func parseTags(s string) (string, []string) {
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if len(s) == 0 {
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return "", nil
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}
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sl := strings.Split(s, ",")
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return sl[0], sl[1:]
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}
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