io/ioutil deprecated (#3217)

tools/goctl/pkg/parser/api/format/format.go

@@ -3,14 +3,14 @@ package format
 import (
 	"bytes"
 	"io"
-	"io/ioutil"
+	"os"
 
 	"github.com/zeromicro/go-zero/tools/goctl/pkg/parser/api/parser"
 )
 
 // File formats the api file.
 func File(filename string) error {
-	data, err := ioutil.ReadFile(filename)
+	data, err := os.ReadFile(filename)
 	if err != nil {
 		return err
 	}
@@ -18,7 +18,7 @@ func File(filename string) error {
 	if err := Source(data, buffer); err != nil {
 		return err
 	}
-	return ioutil.WriteFile(filename, buffer.Bytes(), 0666)
+	return os.WriteFile(filename, buffer.Bytes(), 0666)
 }
 
 // Source formats the api source.

tools/goctl/pkg/parser/api/parser/analyzer_test.go

@@ -3,7 +3,7 @@ package parser
 import (
 	"bytes"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"path/filepath"
 	"strings"
 	"testing"
@@ -18,7 +18,7 @@ func Test_Parse(t *testing.T) {
 		assert.Nil(t, err)
 	})
 	t.Run("invalid", func(t *testing.T) {
-		data, err := ioutil.ReadFile("./testdata/invalid.api")
+		data, err := os.ReadFile("./testdata/invalid.api")
 		assert.NoError(t, err)
 		splits := bytes.Split(data, []byte("-----"))
 		var testFile []string
@@ -29,7 +29,7 @@ func Test_Parse(t *testing.T) {
 				continue
 			}
 			filename := filepath.Join(t.TempDir(), fmt.Sprintf("invalid%d.api", idx))
-			err := ioutil.WriteFile(filename, split, 0666)
+			err := os.WriteFile(filename, split, 0666)
 			assert.NoError(t, err)
 			testFile = append(testFile, filename)
 		}

tools/goctl/pkg/parser/api/scanner/scanner.go

@@ -4,8 +4,8 @@ import (
 	"bytes"
 	"errors"
 	"fmt"
-	"io/ioutil"
 	"log"
+	"os"
 	"path/filepath"
 	"strings"
 
@@ -647,7 +647,7 @@ func NewScanner(filename string, src interface{}) (*Scanner, error) {
 }
 
 func readData(filename string, src interface{}) ([]byte, error) {
-	data, err := ioutil.ReadFile(filename)
+	data, err := os.ReadFile(filename)
 	if err == nil {
 		return data, nil
 	}