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config.go
82 lines (73 loc) · 1.44 KB
/
config.go
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package blog
import (
"encoding/json"
"net"
"os"
"runtime"
)
const (
APP_CONFIG_FILENAME = "app.conf"
APP_DEFAULT_CONFIG = "app.default.conf"
)
var (
goVersion = runtime.Version()
)
// 定义可配置的服务器信息
type AppSvrConf struct {
Port int `json:"port"`
DB string `json:"database"`
SessionKey string `json:"sessionkey"`
WebSite string `json:"website"`
UploadPath string `json:"uploadpath"`
}
// 全局配置表
var appSvrConf AppSvrConf
func readConfigFile(file string) error {
f, err := os.Open(file)
if err != nil {
return err
}
decoder := json.NewDecoder(f)
err = decoder.Decode(&appSvrConf)
if err != nil {
f.Close()
return nil
}
f.Close()
return nil
}
func writeConfigFile() error {
f, err := os.Create(APP_CONFIG_FILENAME)
if err != nil {
return err
}
encoder := json.NewEncoder(f)
err = encoder.Encode(appSvrConf)
if err != nil {
f.Close()
return err
}
f.Close()
return nil
}
// 获取第一个
func getLocalIp() string {
ip := "0.0.0.0"
address, err := net.InterfaceAddrs()
if err != nil {
return ip
}
for _, a := range address {
if ipnet, ok := a.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
if ipnet.IP.To4() != nil {
return ipnet.IP.To4().String() // 好像第一个就是活动中的主要网卡
}
}
}
return ip
}
// 判断文件或者目录是否存在
func isExists(name string) bool {
_, err := os.Stat(name)
return err == nil || os.IsExist(err)
}