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@@ -0,0 +1,77 @@
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package db
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import (
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"reflect"
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"regexp"
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"strings"
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)
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var matchFirstCap = regexp.MustCompile("(.)([A-Z][a-z]+)")
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var matchAllCap = regexp.MustCompile("([a-z0-9])([A-Z])")
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func ToSnakeCase(str string) string {
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snake := matchFirstCap.ReplaceAllString(str, "${1}_${2}")
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snake = matchAllCap.ReplaceAllString(snake, "${1}_${2}")
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return strings.ToLower(snake)
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}
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func ExtractStruct(target interface{}) map[string]interface{} {
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tv := reflect.Indirect(reflect.ValueOf(target))
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tt := tv.Type()
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result := make(map[string]interface{}, tv.NumField())
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for i := 0; i < tv.NumField(); i++ {
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key := ToSnakeCase(tt.Field(i).Name)
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result[key] = tv.Field(i).Interface()
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}
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return result
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}
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func InterfaceToSlice(param interface{}) []interface{} {
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if p, ok := param.([]interface{}); ok {
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return p
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}
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tv := reflect.Indirect(reflect.ValueOf(param))
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var res []interface{}
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if tv.Type().Kind() == reflect.Slice {
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for i := 0; i < tv.Len(); i++ {
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res = append(res, tv.Index(i).Interface())
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}
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} else {
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panic("not slice")
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}
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return res
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}
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// addslashes() 函数返回在预定义字符之前添加反斜杠的字符串。
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// 预定义字符是:
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// 单引号(')
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// 双引号(")
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// 反斜杠(\)
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func Addslashes(str string) string {
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tmpRune := []rune{}
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strRune := []rune(str)
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for _, ch := range strRune {
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switch ch {
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case []rune{'\\'}[0], []rune{'"'}[0], []rune{'\''}[0]:
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tmpRune = append(tmpRune, []rune{'\\'}[0])
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tmpRune = append(tmpRune, ch)
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default:
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tmpRune = append(tmpRune, ch)
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}
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}
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return string(tmpRune)
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}
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// stripslashes() 函数删除由 addslashes() 函数添加的反斜杠。
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func Stripslashes(str string) string {
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dstRune := []rune{}
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strRune := []rune(str)
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strLenth := len(strRune)
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for i := 0; i < strLenth; i++ {
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if strRune[i] == []rune{'\\'}[0] {
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i++
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}
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dstRune = append(dstRune, strRune[i])
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}
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return string(dstRune)
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}
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