build(init):创建基本项目结构。

config/configuration.go

@@ -0,0 +1,54 @@
+package config
+
+import (
+	"github.com/spf13/viper"
+)
+
+type ConfigurationFile struct {
+	vp *viper.Viper
+}
+
+var (
+	sections = make(map[string]interface{})
+)
+
+func NewConfigurationFile() (*ConfigurationFile, error) {
+	vp := viper.New()
+	vp.SetConfigType("yaml")
+	vp.SetConfigName("settings")
+	vp.AddConfigPath(".")
+	err := vp.ReadInConfig()
+	if err != nil {
+		return nil, err
+	}
+	s := &ConfigurationFile{vp}
+	vp.SetConfigName("settings.local")
+	err = vp.MergeInConfig()
+	if err != nil {
+		return s, nil
+	}
+	return s, nil
+}
+
+func (s *ConfigurationFile) ReadSection(k string, v interface{}) error {
+	err := s.vp.UnmarshalKey(k, v)
+	if err != nil {
+		return err
+	}
+
+	if _, ok := sections[k]; !ok {
+		sections[k] = v
+	}
+	return nil
+}
+
+func (s *ConfigurationFile) ReloadAllSection() error {
+	for k, v := range sections {
+		err := s.ReadSection(k, v)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}

config/settings.go

@@ -0,0 +1,60 @@
+package config
+
+import (
+	"time"
+)
+
+//服务器配置
+type ServerSetting struct {
+	RunMode      string
+	HttpPort     int
+	ReadTimeout  time.Duration
+	WriteTimeout time.Duration
+}
+
+//数据库配置
+type DatabaseSetting struct {
+	User         string
+	Pass         string
+	Host         string
+	Port         int
+	DB           string
+	MaxIdleConns int
+	MaxOpenConns int
+}
+type RedisSetting struct {
+	Host     string
+	Port     int
+	Password string
+	DB       int
+}
+
+//定义全局变量
+var (
+	ServerSettings   *ServerSetting
+	DatabaseSettings *DatabaseSetting
+	RedisSettings    *RedisSetting
+)
+
+//读取配置到全局变量
+func SetupSetting() error {
+	s, err := NewConfigurationFile()
+	if err != nil {
+		return err
+	}
+	err = s.ReadSection("Database", &DatabaseSettings)
+	if err != nil {
+		return err
+	}
+
+	err = s.ReadSection("Server", &ServerSettings)
+	if err != nil {
+		return err
+	}
+
+	err = s.ReadSection("Redis", &RedisSettings)
+	if err != nil {
+		return err
+	}
+	return nil
+}