chore: replace ioutil with io/os

Author: root

config/configs.go

@@ -3,7 +3,7 @@ package config
 import (
 	"encoding/xml"
 	"errors"
-	"io/ioutil"
+	"os"
 
 	"github.com/devfeel/dotweb/core"
 	"github.com/devfeel/dotweb/framework/file"
@@ -265,7 +265,7 @@ func dealConfigDefaultSet(c *Config) {
 }
 
 func initConfig(configFile string, ctType string, parser func([]byte, interface{}) error) (*Config, error) {
-	content, err := ioutil.ReadFile(configFile)
+	content, err := os.ReadFile(configFile)
 	if err != nil {
 		return nil, errors.New("DotWeb:Config:initConfig current cType:" + ctType + " config file [" + configFile + "] cannot be parsed - " + err.Error())
 	}

config/configset.go

@@ -3,7 +3,7 @@ package config
 import (
 	"encoding/xml"
 	"errors"
-	"io/ioutil"
+	"os"
 
 	"github.com/devfeel/dotweb/core"
 )
@@ -39,7 +39,7 @@ func ParseConfigSetYaml(configFile string) (core.ConcurrenceMap, error) {
 }
 
 func parseConfigSetFile(configFile string, confType string) (core.ConcurrenceMap, error) {
-	content, err := ioutil.ReadFile(configFile)
+	content, err := os.ReadFile(configFile)
 	if err != nil {
 		return nil, errors.New("DotWeb:Config:parseConfigSetFile 配置文件[" + configFile + ", " + confType + "]无法解析 - " + err.Error())
 	}

request.go

@@ -1,7 +1,7 @@
 package dotweb
 
 import (
-	"io/ioutil"
+	"io"
 	"net"
 	"net/http"
 	"net/url"
@@ -162,7 +162,7 @@ func (req *Request) PostBody() []byte {
 				break
 			}
 		}
-		bts, err := ioutil.ReadAll(req.Body)
+		bts, err := io.ReadAll(req.Body)
 		if err != nil {
 			//if err, panic it
 			panic(err)