From b419319e668499eeb5288b2a17b0f589fb730f43 Mon Sep 17 00:00:00 2001
From: dudaodong <lanliddd.2007@163.com>
Date: Wed, 19 Apr 2023 16:19:42 +0800
Subject: [PATCH] doc: update doc for netutil package

---
 docs/netutil.md       | 9 +--------
 docs/netutil_zh-CN.md | 9 +--------
 netutil/net_test.go   | 7 +++++++
 3 files changed, 9 insertions(+), 16 deletions(-)

diff --git a/docs/netutil.md b/docs/netutil.md
index e8892e8..8e2dbd9 100644
--- a/docs/netutil.md
+++ b/docs/netutil.md
@@ -916,9 +916,8 @@ import (
 )
 
 func main() {
-    ok, err := netutil.DownloadFile("./", "http://www.xxx.com/a.jpg")
+    err := DownloadFile("./lancet_logo.jpg", "https://picx.zhimg.com/v2-fc82a4199749de9cfb71e32e54f489d3_720w.jpg?source=172ae18b")
 
-    fmt.Println(ok)
     fmt.Println(err)
 }
 ```
@@ -939,10 +938,7 @@ func IsPingConnected(host string) bool
 package main
 
 import (
-    "encoding/json"
     "fmt"
-    "io/ioutil"
-    "log"
     "github.com/duke-git/lancet/netutil"
 )
 
@@ -975,10 +971,7 @@ func IsTelnetConnected(host string, port string) bool
 package main
 
 import (
-    "encoding/json"
     "fmt"
-    "io/ioutil"
-    "log"
     "github.com/duke-git/lancet/netutil"
 )
 
diff --git a/docs/netutil_zh-CN.md b/docs/netutil_zh-CN.md
index bb1d350..38b87ff 100644
--- a/docs/netutil_zh-CN.md
+++ b/docs/netutil_zh-CN.md
@@ -915,9 +915,8 @@ import (
 )
 
 func main() {
-    ok, err := netutil.DownloadFile("./", "http://www.xxx.com/a.jpg")
+    err := DownloadFile("./lancet_logo.jpg", "https://picx.zhimg.com/v2-fc82a4199749de9cfb71e32e54f489d3_720w.jpg?source=172ae18b")
 
-    fmt.Println(ok)
     fmt.Println(err)
 }
 ```
@@ -938,10 +937,7 @@ func IsPingConnected(host string) bool
 package main
 
 import (
-    "encoding/json"
     "fmt"
-    "io/ioutil"
-    "log"
     "github.com/duke-git/lancet/netutil"
 )
 
@@ -974,10 +970,7 @@ func IsTelnetConnected(host string, port string) bool
 package main
 
 import (
-    "encoding/json"
     "fmt"
-    "io/ioutil"
-    "log"
     "github.com/duke-git/lancet/netutil"
 )
 
diff --git a/netutil/net_test.go b/netutil/net_test.go
index 76e8cdf..fbd8201 100644
--- a/netutil/net_test.go
+++ b/netutil/net_test.go
@@ -72,3 +72,10 @@ func TestTelnetConnected(t *testing.T) {
 	result2 := IsTelnetConnected("www.baidu.com", "123")
 	assert.Equal(false, result2)
 }
+
+// func TestDownloadFile(t *testing.T) {
+// 	assert := internal.NewAssert(t, "TestDownloadFile")
+
+// 	err := DownloadFile("./lancet_logo.jpg", "https://picx.zhimg.com/v2-fc82a4199749de9cfb71e32e54f489d3_720w.jpg?source=172ae18b")
+// 	assert.IsNil(err)
+// }