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package utils
import (
"os"
"path/filepath"
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"runtime"
"strings"
)
// GetRootDir 获取当前程序运行的真实根目录
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// 能跨平台地识别是在生产环境执行二进制文件,还是在开发阶段使用 go run/test 乃至 IDE 调试运行
func GetRootDir() string {
var baseDir string
workDir, err := os.Getwd()
if err != nil {
workDir = "."
}
execPath, err := os.Executable()
if err != nil {
return workDir
}
realExecPath, err := filepath.EvalSymlinks(execPath)
if err == nil {
execPath = realExecPath
}
execDir := filepath.Dir(execPath)
realTempDir, err := filepath.EvalSymlinks(os.TempDir())
if err != nil {
realTempDir = os.TempDir()
}
isGoRun := false
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rel, err := filepath.Rel(realTempDir, execDir)
if err == nil && rel != ".." && !strings.HasPrefix(rel, ".."+string(os.PathSeparator)) {
isGoRun = true
} else if strings.Contains(execPath, "go-build") || strings.Contains(execPath, "__debug_bin") || strings.HasSuffix(execPath, ".test") {
isGoRun = true
} else if strings.Contains(filepath.Base(execPath), "___go_build") || strings.HasPrefix(filepath.Base(execPath), "dlv") {
isGoRun = true
}
if isGoRun {
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// 开发模式下,利用 runtime 获取 utils/path.go 所在的绝对路径
// 向上两级即可得到项目的真实绝对根目录,避免因终端 CWD 不同导致的配置读取和连接失败
_, b, _, _ := runtime.Caller(0)
baseDir = filepath.Dir(filepath.Dir(b))
} else {
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// 生产模式下(正式编译的独立二进制),返回可执行文件所在目录
baseDir = execDir
}
return baseDir
}
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// DisplayPath 返回适合日志展示的路径。
// 对项目根目录内的文件保留相对路径;其他路径退化为文件名,避免泄露绝对安装目录。
func DisplayPath(path string) string {
if path == "" {
return ""
}
cleanPath := filepath.Clean(path)
if !filepath.IsAbs(cleanPath) {
return cleanPath
}
rootDir := filepath.Clean(GetRootDir())
rel, err := filepath.Rel(rootDir, cleanPath)
if err == nil && rel != "." && rel != ".." && !strings.HasPrefix(rel, ".."+string(os.PathSeparator)) {
return rel
}
return filepath.Base(cleanPath)
}