3.asm

Win32环境下汇编程序开发 M32V8SP1.EXE

.386
.model flat,stdcall
Option CaseMap:none

include windows.inc
include kernel32.inc
include user32.inc
include masm32.inc

includelib kernel32.lib
includelib user32.lib
includelib masm32.lib

            .data
szCaption   db "GetCommandLine",0
Fg          db ' ',0                ;空格（分隔符）
Crlf        db 13,10,0              ;回车换行

            .data?
Temp        db 10 dup(?)            ;用来临时存放数据
OutString   db 600 dup(?)           ;存放输出字符串

        .code 
start: 
        invoke GetCommandLine                   ;取命令行参数
        mov esi,eax
        invoke lstrcat,addr OutString,eax       ;合并字符串
        invoke lstrcat,addr OutString,addr Crlf
        invoke lstrlen,esi                      ;取字符串长度
        mov ecx,eax
        cld
        invoke MessageBox,NULL,addr OutString,addr szCaption,MB_OK
        invoke ExitProcess,NULL
        end start