style: clean up io/ioutil.

rf '
  ex {
    import "io/ioutil";
    import "os";
    ioutil.WriteFile -> os.WriteFile
    ioutil.ReadFile -> os.ReadFile
  }
'

coolq/api.go

@@ -4,7 +4,6 @@ import (
 	"crypto/md5"
 	"encoding/hex"
 	"fmt"
-	"io/ioutil"
 	"math"
 	"os"
 	"path"
@@ -1001,7 +1000,7 @@ func (bot *CQBot) CQGetImage(file string) MSG {
 	if !global.PathExists(path.Join(global.ImagePath, file)) {
 		return Failed(100)
 	}
-	b, err := ioutil.ReadFile(path.Join(global.ImagePath, file))
+	b, err := os.ReadFile(path.Join(global.ImagePath, file))
 	if err == nil {
 		r := binary.NewReader(b)
 		r.ReadBytes(16)

coolq/cqcode.go

@@ -9,7 +9,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"io/ioutil"
 	"math/rand"
 	"net/url"
 	"os"
@@ -897,7 +896,7 @@ func (bot *CQBot) ToElement(t string, d map[string]string, isGroup bool) (m inte
 			data, _ = global.FindFile(cover, cache, global.ImagePath)
 		} else {
 			_ = global.ExtractCover(v.File, v.File+".jpg")
-			data, _ = ioutil.ReadFile(v.File + ".jpg")
+			data, _ = os.ReadFile(v.File + ".jpg")
 		}
 		v.thumb = bytes.NewReader(data)
 		video, _ := os.Open(v.File)
@@ -1081,7 +1080,7 @@ func (bot *CQBot) makeImageOrVideoElem(d map[string]string, video, group bool) (
 			return nil, errors.New("invalid video")
 		}
 		if path.Ext(rawPath) == ".video" {
-			b, _ := ioutil.ReadFile(rawPath)
+			b, _ := os.ReadFile(rawPath)
 			r := binary.NewReader(b)
 			return &LocalVideoElement{ShortVideoElement: message.ShortVideoElement{ // todo 检查缓存是否有效
 				Md5:       r.ReadBytes(16),

coolq/event.go

@@ -2,7 +2,7 @@ package coolq
 
 import (
 	"encoding/hex"
-	"io/ioutil"
+	"os"
 	"path"
 	"strconv"
 	"strings"
@@ -545,7 +545,7 @@ func (bot *CQBot) checkMedia(e []message.IMessageElement) {
 		case *message.GroupImageElement:
 			filename := hex.EncodeToString(i.Md5) + ".image"
 			if !global.PathExists(path.Join(global.ImagePath, filename)) {
-				_ = ioutil.WriteFile(path.Join(global.ImagePath, filename), binary.NewWriterF(func(w *binary.Writer) {
+				_ = os.WriteFile(path.Join(global.ImagePath, filename), binary.NewWriterF(func(w *binary.Writer) {
 					w.Write(i.Md5)
 					w.WriteUInt32(uint32(i.Size))
 					w.WriteString(i.ImageId)
@@ -555,7 +555,7 @@ func (bot *CQBot) checkMedia(e []message.IMessageElement) {
 		case *message.FriendImageElement:
 			filename := hex.EncodeToString(i.Md5) + ".image"
 			if !global.PathExists(path.Join(global.ImagePath, filename)) {
-				_ = ioutil.WriteFile(path.Join(global.ImagePath, filename), binary.NewWriterF(func(w *binary.Writer) {
+				_ = os.WriteFile(path.Join(global.ImagePath, filename), binary.NewWriterF(func(w *binary.Writer) {
 					w.Write(i.Md5)
 					w.WriteUInt32(uint32(i.Size))
 					w.WriteString(i.ImageId)
@@ -571,12 +571,12 @@ func (bot *CQBot) checkMedia(e []message.IMessageElement) {
 					log.Warnf("语音文件 %v 下载失败: %v", i.Name, err)
 					continue
 				}
-				_ = ioutil.WriteFile(path.Join(global.VoicePath, i.Name), b, 0o644)
+				_ = os.WriteFile(path.Join(global.VoicePath, i.Name), b, 0o644)
 			}
 		case *message.ShortVideoElement:
 			filename := hex.EncodeToString(i.Md5) + ".video"
 			if !global.PathExists(path.Join(global.VideoPath, filename)) {
-				_ = ioutil.WriteFile(path.Join(global.VideoPath, filename), binary.NewWriterF(func(w *binary.Writer) {
+				_ = os.WriteFile(path.Join(global.VideoPath, filename), binary.NewWriterF(func(w *binary.Writer) {
 					w.Write(i.Md5)
 					w.Write(i.ThumbMd5)
 					w.WriteUInt32(uint32(i.Size))

global/codec.go

@@ -3,7 +3,7 @@ package global
 import (
 	"crypto/md5"
 	"fmt"
-	"io/ioutil"
+	"os"
 	"os/exec"
 	"path"
 
@@ -21,7 +21,7 @@ func EncoderSilk(data []byte) ([]byte, error) {
 	}
 	tempName := fmt.Sprintf("%x", h.Sum(nil))
 	if silkPath := path.Join("data/cache", tempName+".silk"); PathExists(silkPath) {
-		return ioutil.ReadFile(silkPath)
+		return os.ReadFile(silkPath)
 	}
 	slk, err := codec.EncodeToSilk(data, tempName, true)
 	if err != nil {

global/codec/codec.go

@@ -6,7 +6,6 @@
 package codec
 
 import (
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path"
@@ -21,7 +20,7 @@ const silkCachePath = "data/cache"
 func EncodeToSilk(record []byte, tempName string, useCache bool) (silkWav []byte, err error) {
 	// 1. 写入缓存文件
 	rawPath := path.Join(silkCachePath, tempName+".wav")
-	err = ioutil.WriteFile(rawPath, record, os.ModePerm)
+	err = os.WriteFile(rawPath, record, os.ModePerm)
 	if err != nil {
 		return nil, errors.Wrap(err, "write temp file error")
 	}
@@ -36,7 +35,7 @@ func EncodeToSilk(record []byte, tempName string, useCache bool) (silkWav []byte
 	defer os.Remove(pcmPath)
 
 	// 3. 转silk
-	pcm, err := ioutil.ReadFile(pcmPath)
+	pcm, err := os.ReadFile(pcmPath)
 	if err != nil {
 		return nil, errors.Wrap(err, "read pcm file err")
 	}
@@ -46,7 +45,7 @@ func EncodeToSilk(record []byte, tempName string, useCache bool) (silkWav []byte
 	}
 	if useCache {
 		silkPath := path.Join(silkCachePath, tempName+".silk")
-		err = ioutil.WriteFile(silkPath, silkWav, 0o666)
+		err = os.WriteFile(silkPath, silkWav, 0o666)
 	}
 	return
 }

global/fs.go

@@ -6,7 +6,6 @@ import (
 	"encoding/base64"
 	"encoding/hex"
 	"errors"
-	"io/ioutil"
 	"net"
 	"net/url"
 	"os"
@@ -51,7 +50,7 @@ func PathExists(path string) bool {
 
 // ReadAllText 读取给定path对应文件，无法读取时返回空值
 func ReadAllText(path string) string {
-	b, err := ioutil.ReadFile(path)
+	b, err := os.ReadFile(path)
 	if err != nil {
 		log.Error(err)
 		return ""
@@ -61,7 +60,7 @@ func ReadAllText(path string) string {
 
 // WriteAllText 将给定text写入给定path
 func WriteAllText(path, text string) error {
-	return ioutil.WriteFile(path, utils.S2B(text), 0o644)
+	return os.WriteFile(path, utils.S2B(text), 0o644)
 }
 
 // Check 检测err是否为nil
@@ -91,10 +90,10 @@ func FindFile(file, cache, p string) (data []byte, err error) {
 		hash := md5.Sum([]byte(file))
 		cacheFile := path.Join(CachePath, hex.EncodeToString(hash[:])+".cache")
 		if PathExists(cacheFile) && cache == "1" {
-			return ioutil.ReadFile(cacheFile)
+			return os.ReadFile(cacheFile)
 		}
 		data, err = GetBytes(file)
-		_ = ioutil.WriteFile(cacheFile, data, 0o644)
+		_ = os.WriteFile(cacheFile, data, 0o644)
 		if err != nil {
 			return nil, err
 		}
@@ -112,12 +111,12 @@ func FindFile(file, cache, p string) (data []byte, err error) {
 		if strings.HasPrefix(fu.Path, "/") && runtime.GOOS == `windows` {
 			fu.Path = fu.Path[1:]
 		}
-		data, err = ioutil.ReadFile(fu.Path)
+		data, err = os.ReadFile(fu.Path)
 		if err != nil {
 			return nil, err
 		}
 	case PathExists(path.Join(p, file)):
-		data, err = ioutil.ReadFile(path.Join(p, file))
+		data, err = os.ReadFile(path.Join(p, file))
 		if err != nil {
 			return nil, err
 		}
@@ -140,7 +139,7 @@ func DelFile(path string) bool {
 
 // ReadAddrFile 从给定path中读取合法的IP地址与端口,每个IP地址以换行符"\n"作为分隔
 func ReadAddrFile(path string) []*net.TCPAddr {
-	d, err := ioutil.ReadFile(path)
+	d, err := os.ReadFile(path)
 	if err != nil {
 		return nil
 	}

login.go

@@ -3,7 +3,6 @@ package main
 import (
 	"bufio"
 	"bytes"
-	"io/ioutil"
 	"os"
 	"strings"
 	"time"
@@ -63,7 +62,7 @@ func qrcodeLogin() error {
 	if err != nil {
 		return err
 	}
-	_ = ioutil.WriteFile("qrcode.png", rsp.ImageData, 0o644)
+	_ = os.WriteFile("qrcode.png", rsp.ImageData, 0o644)
 	defer func() { _ = os.Remove("qrcode.png") }()
 	if cli.Uin != 0 {
 		log.Infof("请使用账号 %v 登录手机QQ扫描二维码 (qrcode.png) : ", cli.Uin)
@@ -139,7 +138,7 @@ func loginResponseProcessor(res *client.LoginResponse) error {
 			return qrcodeLogin()
 		case client.NeedCaptcha:
 			log.Warnf("登录需要验证码.")
-			_ = ioutil.WriteFile("captcha.jpg", res.CaptchaImage, 0o644)
+			_ = os.WriteFile("captcha.jpg", res.CaptchaImage, 0o644)
 			log.Warnf("请输入验证码 (captcha.jpg)： (Enter 提交)")
 			text = readLine()
 			global.DelFile("captcha.jpg")

main.go

@@ -8,7 +8,6 @@ import (
 	"encoding/hex"
 	"flag"
 	"fmt"
-	"io/ioutil"
 	"os"
 	"os/exec"
 	"path"
@@ -161,7 +160,7 @@ func main() {
 	if !global.PathExists("device.json") {
 		log.Warn("虚拟设备信息不存在, 将自动生成随机设备.")
 		client.GenRandomDevice()
-		_ = ioutil.WriteFile("device.json", client.SystemDeviceInfo.ToJson(), 0o644)
+		_ = os.WriteFile("device.json", client.SystemDeviceInfo.ToJson(), 0o644)
 		log.Info("已生成设备信息并保存到 device.json 文件.")
 	} else {
 		log.Info("将使用 device.json 内的设备信息运行Bot.")
@@ -248,10 +247,10 @@ func main() {
 	isTokenLogin := false
 	saveToken := func() {
 		AccountToken = cli.GenToken()
-		_ = ioutil.WriteFile("session.token", AccountToken, 0o644)
+		_ = os.WriteFile("session.token", AccountToken, 0o644)
 	}
 	if global.PathExists("session.token") {
-		token, err := ioutil.ReadFile("session.token")
+		token, err := os.ReadFile("session.token")
 		if err == nil {
 			if conf.Account.Uin != 0 {
 				r := binary.NewReader(token)