增加文件的读取与解析操作

file.go

@@ -8,9 +8,14 @@
 package command
 
 import (
+	"bytes"
+	"encoding/json"
 	"errors"
+	"io"
 	"os"
 	"strings"
+
+	"gopkg.in/yaml.v2"
 )
 
 // File ...
@@ -143,3 +148,53 @@ func (f *fileOperate) Open() error {
 func (f *fileOperate) GetFileHandler() *os.File {
 	return f.fileHandler
 }
+
+// Read 读取文件内容
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 15:39 2022/5/22
+func (f *fileOperate) Read() ([]byte, error) {
+	if nil == f.fileHandler {
+		if err := f.Open(); nil != err {
+			return nil, errors.New("文件打开失败 : " + err.Error())
+		}
+	}
+	return io.ReadAll(f.fileHandler)
+}
+
+// ReadForJSON 读取文件, 并解析为json
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 15:40 2022/5/22
+func (f *fileOperate) ReadForJSON(receiver interface{}) error {
+	var (
+		content []byte
+		err     error
+	)
+	if content, err = f.Read(); nil != err {
+		return err
+	}
+	decoder := json.NewDecoder(bytes.NewReader(content))
+	decoder.UseNumber()
+	return decoder.Decode(receiver)
+}
+
+// ReadForYaml 读取yaml文件, 并解析到结构体
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 15:43 2022/5/22
+func (f *fileOperate) ReadForYaml(receiver interface{}) error {
+	var (
+		content []byte
+		err     error
+	)
+	if content, err = f.Read(); nil != err {
+		return err
+	}
+	decoder := yaml.NewDecoder(bytes.NewReader(content))
+	decoder.SetStrict(true)
+	return decoder.Decode(receiver)
+}

go.mod

@@ -1,3 +1,5 @@
 module git.zhangdeman.cn/zhangdeman/command
 
 go 1.17
+
+require gopkg.in/yaml.v2 v2.4.0 // indirect

go.sum

@@ -0,0 +1,3 @@
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=