hoteas
7f7b585ffb
- 在应用程序中新增对达梦数据库（DM）的配置和连接支持 - 实现 SetDmDB 函数以配置达梦数据库连接 - 更新数据库操作逻辑，支持达梦特有的 SQL 语法和功能 - 在相关文件中添加达梦数据库的处理逻辑，包括表创建、数据插入和查询 - 更新 go.mod 和 go.sum 文件以引入达梦数据库驱动 - 增强文档，详细说明达梦数据库的配置和使用方法
125 lines
2.3 KiB
Go
125 lines
2.3 KiB
Go
/*
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* Copyright (c) 2000-2018, 达梦数据库有限公司.
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* All rights reserved.
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*/
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package dm
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import (
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"strconv"
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"strings"
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)
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type Properties struct {
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innerProps map[string]string
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}
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func NewProperties() *Properties {
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p := Properties{
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innerProps: make(map[string]string, 50),
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}
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return &p
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}
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func (g *Properties) SetProperties(p *Properties) {
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if p == nil {
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return
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}
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for k, v := range p.innerProps {
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g.Set(strings.ToLower(k), v)
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}
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}
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func (g *Properties) Len() int {
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return len(g.innerProps)
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}
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func (g *Properties) IsNil() bool {
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return g == nil || g.innerProps == nil
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}
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func (g *Properties) GetString(key, def string) string {
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v, ok := g.innerProps[strings.ToLower(key)]
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if !ok || v == "" {
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return def
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}
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return v
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}
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func (g *Properties) GetInt(key string, def int, min int, max int) int {
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value, ok := g.innerProps[strings.ToLower(key)]
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if !ok || value == "" {
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return def
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}
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i, err := strconv.Atoi(value)
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if err != nil {
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return def
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}
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if i > max || i < min {
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return def
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}
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return i
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}
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func (g *Properties) GetBool(key string, def bool) bool {
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value, ok := g.innerProps[strings.ToLower(key)]
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if !ok || value == "" {
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return def
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}
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b, err := strconv.ParseBool(value)
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if err != nil {
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return def
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}
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return b
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}
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func (g *Properties) GetTrimString(key string, def string) string {
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value, ok := g.innerProps[strings.ToLower(key)]
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if !ok || value == "" {
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return def
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} else {
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return strings.TrimSpace(value)
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}
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}
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func (g *Properties) GetStringArray(key string, def []string) []string {
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value, ok := g.innerProps[strings.ToLower(key)]
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if ok || value != "" {
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array := strings.Split(value, ",")
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if len(array) > 0 {
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return array
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}
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}
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return def
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}
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//func (g *Properties) GetBool(key string) bool {
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// i, _ := strconv.ParseBool(g.innerProps[key])
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// return i
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//}
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func (g *Properties) Set(key, value string) {
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g.innerProps[strings.ToLower(key)] = value
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}
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func (g *Properties) SetIfNotExist(key, value string) {
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if _, ok := g.innerProps[strings.ToLower(key)]; !ok {
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g.Set(key, value)
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}
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}
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// 如果p有g没有的键值对,添加进g中
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func (g *Properties) SetDiffProperties(p *Properties) {
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if p == nil {
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return
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}
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for k, v := range p.innerProps {
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if _, ok := g.innerProps[strings.ToLower(k)]; !ok {
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g.innerProps[strings.ToLower(k)] = v
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}
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}
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}
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