hoteas
b43f968b6c
- 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
76 lines
1.5 KiB
Go
76 lines
1.5 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 util
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import (
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"go/build"
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"os"
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"runtime"
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"strings"
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)
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const (
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PathSeparator = string(os.PathSeparator)
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PathListSeparator = string(os.PathListSeparator)
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)
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var (
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goRoot = build.Default.GOROOT
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goPath = build.Default.GOPATH //获取实际编译时的GOPATH值
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)
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type fileUtil struct {
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}
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var FileUtil = &fileUtil{}
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func (fileUtil *fileUtil) Exists(path string) bool {
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if _, err := os.Stat(path); !os.IsNotExist(err) {
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return true
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}
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return false
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}
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func (fileUtil *fileUtil) Search(relativePath string) (path string) {
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if strings.Contains(runtime.GOOS, "windows") {
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relativePath = strings.ReplaceAll(relativePath, "/", "\\")
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}
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if fileUtil.Exists(goPath) {
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for _, s := range strings.Split(goPath, PathListSeparator) {
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path = s + PathSeparator + "src" + PathSeparator + relativePath
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if fileUtil.Exists(path) {
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return path
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}
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}
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}
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if fileUtil.Exists(goPath) {
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for _, s := range strings.Split(goPath, PathListSeparator) {
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path = s + PathSeparator + "pkg" + PathSeparator + relativePath
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if fileUtil.Exists(path) {
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return path
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}
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}
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}
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//if workDir, _ := os.Getwd(); fileUtil.Exists(workDir) {
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// path = workDir + PathSeparator + "src" + PathSeparator + relativePath
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// if fileUtil.Exists(path) {
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// return path
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// }
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//}
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//if fileUtil.Exists(goRoot) {
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// path = goRoot + PathSeparator + "src" + PathSeparator + relativePath
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// if fileUtil.Exists(path) {
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// return path
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// }
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//}
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return ""
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}
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