90 lines
1.8 KiB
Go
90 lines
1.8 KiB
Go
/*
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* Copyright 1999-2020 Alibaba Group Holding Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package file
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import (
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"log"
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"os"
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"path/filepath"
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"runtime"
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"strings"
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)
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var osType string
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var path string
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const WINDOWS = "windows"
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func init() {
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osType = runtime.GOOS
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if os.IsPathSeparator('\\') { //前边的判断是否是系统的分隔符
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path = "\\"
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} else {
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path = "/"
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}
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}
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func MkdirIfNecessary(createDir string) (err error) {
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s := strings.Split(createDir, path)
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startIndex := 0
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dir := ""
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if s[0] == "" {
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startIndex = 1
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} else {
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dir, _ = os.Getwd() //当前的目录
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}
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for i := startIndex; i < len(s); i++ {
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var d string
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if osType == WINDOWS && filepath.IsAbs(createDir) {
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d = strings.Join(s[startIndex:i+1], path)
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} else {
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d = dir + path + strings.Join(s[startIndex:i+1], path)
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}
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if _, e := os.Stat(d); os.IsNotExist(e) {
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err = os.Mkdir(d, os.ModePerm) //在当前目录下生成md目录
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if err != nil {
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break
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}
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}
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}
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return err
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}
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func GetCurrentPath() string {
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dir, err := filepath.Abs(filepath.Dir(os.Args[0]))
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if err != nil {
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log.Println("can not get current path")
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}
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return dir
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}
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func IsExistFile(filePath string) bool {
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if len(filePath) == 0 {
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return false
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}
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_, err := os.Stat(filePath)
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if err == nil {
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return true
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}
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if os.IsNotExist(err) {
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return false
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}
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return false
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}
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