add PrintJson

utils/ext.go

@@ -1,6 +1,10 @@
 package utils
 
 import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"os"
 	"strconv"
 	"strings"
 )
@@ -33,3 +37,11 @@ func ParseParams(in map[string]string) map[string]interface{} {
 	}
 	return out
 }
+
+func PrintJson(v any) {
+	jsonBy, _ := json.Marshal(v)
+	var out bytes.Buffer
+	json.Indent(&out, jsonBy, "", "\t")
+	out.WriteTo(os.Stdout)
+	fmt.Printf("\n")
+}

utils/file.go

@@ -2,6 +2,7 @@ package utils
 
 import (
 	"errors"
+	"fmt"
 	"io"
 	"os"
 	"path/filepath"
@@ -21,6 +22,32 @@ func StringToFile(path, content string) error {
 	return nil
 }
 
+// 文件复制
+func CopyFile(src, dst string) (int64, error) {
+	sourceFileStat, err := os.Stat(src)
+	if err != nil {
+		return 0, err
+	}
+	if !sourceFileStat.Mode().IsRegular() {
+		return 0, fmt.Errorf("%s is not a regular file", src)
+	}
+
+	source, err := os.Open(src)
+	if err != nil {
+		return 0, err
+	}
+	defer source.Close()
+
+	destination, err := os.Create(dst)
+	if err != nil {
+		return 0, err
+	}
+	defer destination.Close()
+
+	nBytes, err := io.Copy(destination, source)
+	return nBytes, err
+}
+
 // 递归遍历文件夹
 // rootDir: 文件夹根目录
 // s: 存储文件名的切片