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Merge pull request #14 from ryouaki/v1.3.9
更新配置文件读取模块
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,230 @@ | ||
package env | ||
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import ( | ||
"fmt" | ||
"io/ioutil" | ||
"os" | ||
"reflect" | ||
"strconv" | ||
"strings" | ||
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"github.com/go-yaml/yaml" | ||
) | ||
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type EnvConfig struct { | ||
env string | ||
data *interface{} | ||
} | ||
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var envConfig = &EnvConfig{} | ||
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// load configuration file | ||
func LoadEnvConfig(file string, mode string) error { | ||
var _file string | ||
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if mode != "" { | ||
_file = strings.Replace(file, "yaml", mode+".yaml", 1) | ||
} | ||
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data, failed := loadFile(file) | ||
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dataSrc, failedSrc := loadFile(_file) | ||
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// 如果两个文件都加载成功,则进行merge操作, | ||
// 如果只有一个文件加载成功,则使用加载成功的文件 | ||
if data != nil && dataSrc != nil && failed == nil && failedSrc == nil { | ||
envConfig.SetEnv(mode) | ||
envConfig.SetData(data) | ||
envConfig.MergeData(dataSrc) | ||
} else if data != nil && failed == nil { | ||
envConfig.SetEnv(mode) | ||
envConfig.SetData(data) | ||
} else if dataSrc != nil && failedSrc == nil { | ||
envConfig.SetEnv(mode) | ||
envConfig.SetData(dataSrc) | ||
} else { | ||
return fmt.Errorf("file [ %s ] load failed", file) | ||
} | ||
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return nil | ||
} | ||
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func loadFile(file string) (*interface{}, error) { | ||
if err := hasFile(file); err != nil { | ||
return nil, err | ||
} | ||
data, failed := ioutil.ReadFile(file) | ||
if failed != nil { | ||
return nil, failed | ||
} | ||
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var _data = new(interface{}) | ||
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failed = yaml.Unmarshal(data, _data) | ||
if failed != nil { | ||
return nil, failed | ||
} | ||
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return _data, nil | ||
} | ||
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func (p *EnvConfig) SetEnv(mode string) { | ||
p.env = mode | ||
} | ||
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func (p *EnvConfig) SetData(data any) { | ||
p.data = data.(*interface{}) | ||
} | ||
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func (p *EnvConfig) MergeData(data any) interface{} { | ||
srcData := *p.data | ||
distData := (data.(*interface{})) | ||
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retData := mergeKeyForData(&srcData, distData) | ||
envConfig.SetData(&retData) | ||
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return &retData | ||
} | ||
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func (p *EnvConfig) GetRootValue() interface{} { | ||
return *p.data | ||
} | ||
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// Get the value from root | ||
func GetRootValue() interface{} { | ||
return envConfig.GetRootValue() | ||
} | ||
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// Get the value from root for map | ||
func GetRootMapValue() map[interface{}]interface{} { | ||
data := envConfig.GetRootValue() | ||
if data == nil { | ||
return nil | ||
} | ||
return data.(map[interface{}]interface{}) | ||
} | ||
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// Get the value by path like below | ||
// file.yaml | ||
// test: test | ||
// test2: | ||
// test3: test333 | ||
/// GetValue("test2.test3") ===> test333 | ||
func GetValue(path string) (interface{}, error) { | ||
val, err := getValueByPath(path) | ||
return val, err | ||
} | ||
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func getValueByPath(path string) (interface{}, error) { | ||
words := strings.Split(path, ".") | ||
data := GetRootMapValue() | ||
if data == nil { | ||
return nil, fmt.Errorf("No key [ %s ] found!", path) | ||
} | ||
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len := len(words) | ||
var val interface{} | ||
var hasKey bool | ||
for idx, work := range words { | ||
val, hasKey = getValueByKey(work, data) | ||
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if !hasKey { | ||
return nil, fmt.Errorf("No key [ %s ] found!", path) | ||
} | ||
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if idx < len-1 { | ||
data = val.(map[interface{}]interface{}) | ||
} else { | ||
return val, nil | ||
} | ||
} | ||
return nil, nil | ||
} | ||
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func getValueByKey(key string, data map[interface{}]interface{}) (interface{}, bool) { | ||
keys := strings.FieldsFunc(key, func(r rune) bool { | ||
return string(r) == "[" | ||
}) | ||
var val interface{} | ||
var hasKey bool | ||
sliceLen := len(keys) | ||
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if sliceLen > 1 { | ||
for i, k := range keys { | ||
if strings.HasSuffix(k, "]") { | ||
keys[i] = strings.Replace(k, "]", "", 1) | ||
} | ||
} | ||
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val, hasKey = data[keys[0]] | ||
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if !hasKey { | ||
return nil, false | ||
} | ||
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_val, isOk := val.([]interface{}) | ||
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if !isOk { | ||
return nil, false | ||
} | ||
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for i := 1; i < sliceLen; i++ { | ||
idx, err := strconv.Atoi(keys[i]) | ||
if err != nil || len(_val) <= idx { | ||
return nil, false | ||
} | ||
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newVal := _val[idx] | ||
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if i < sliceLen-1 && isArray(newVal) { | ||
_val = newVal.([]interface{}) | ||
} else if i < sliceLen-1 { | ||
return nil, false | ||
} else { | ||
return newVal, true | ||
} | ||
} | ||
} | ||
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val, hasKey = data[keys[0]] | ||
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return val, hasKey | ||
} | ||
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func isArray(param any) bool { | ||
val := reflect.ValueOf(param) | ||
if val.Kind() == reflect.Array || val.Kind() == reflect.Slice { | ||
return true | ||
} | ||
return false | ||
} | ||
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func kind(param any) reflect.Kind { | ||
kind := reflect.ValueOf(param) | ||
return kind.Kind() | ||
} | ||
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func hasFile(file string) error { | ||
if _, err := os.Stat(file); err != nil { | ||
if os.IsNotExist(err) { | ||
return err | ||
} | ||
} | ||
return nil | ||
} | ||
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func mergeKeyForData(a *interface{}, b *interface{}) interface{} { | ||
aa := (*a).(map[interface{}]interface{}) | ||
bb := (*b).(map[interface{}]interface{}) | ||
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for key, val := range bb { | ||
newVal, hasKey := aa[key] | ||
// 如果不存在的key或者类型不同的key直接复制过去 | ||
if !hasKey || kind(val) != kind(newVal) || kind(val) != reflect.Map { | ||
aa[key] = val | ||
} else { | ||
aa[key] = mergeKeyForData(&newVal, &val) | ||
} | ||
} | ||
return aa | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,4 +1,6 @@ | ||
github.com/go-redis/redis v6.15.9+incompatible h1:K0pv1D7EQUjfyoMql+r/jZqCLizCGKFlFgcHWWmHQjg= | ||
github.com/go-redis/redis v6.15.9+incompatible/go.mod h1:NAIEuMOZ/fxfXJIrKDQDz8wamY7mA7PouImQ2Jvg6kA= | ||
github.com/go-yaml/yaml v2.1.0+incompatible h1:RYi2hDdss1u4YE7GwixGzWwVo47T8UQwnTLB6vQiq+o= | ||
github.com/go-yaml/yaml v2.1.0+incompatible/go.mod h1:w2MrLa16VYP0jy6N7M5kHaCkaLENm+P+Tv+MfurjSw0= | ||
github.com/issue9/assert v1.5.0 h1:9N71cQh6lt9/3y/WnB2lP0AuCxnTwunTToajoWnVD8M= | ||
github.com/issue9/assert v1.5.0/go.mod h1:Yktk83hAVl1SPSYtd9kjhBizuiBIqUQyj+D5SE2yjVY= |