@echo off
setlocal enabledelayedexpansion
set result=result.x
set rs2=rs.x

if not exist A (mkdir A)
cd A
wget -O %result% http://www.cserf.ac.cn/uploads/share2/2008/0512/179/
(type %result%|find /i "IMG SRC="| find /i "[IMG]") >%rs2%
for /f "tokens=*" %%a in ('type %rs2%') do (
 set line=%%a
 set line=!line:*A HREF=!
 for /f "tokens=1" %%a in ("!line:.jpg= !") do (set line=%%a)
 set line=!line:~2!
 if not exist !line!.jpg (wget http://www.cserf.ac.cn/uploads/share2/2008/0512/179/!line!.jpg)
)
pause
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@echo off
set www=http://www.cserf.ac.cn/uploads/share2

:Main
cls
set day=
set /p day=请输入四位数字格式的下载年份和日期，并以空格分隔：
if not defined day goto Main
curl --create-dirs -o "tmp\%day: =_%.html" "%www%/%day: =/%/179/"
htox32c /ip /u1+4 /O0 tmp\*.html
for %%i in ("tmp\%day: =_%.txt") do (
    for /f "delims=<> tokens=2" %%j in ('findstr /ic:".jpg" %%i') do (
        curl --create-dirs -o "jpg\%day: =_%\%%j" "%www%/%day: =/%/179/%%j"
    )
)
goto Main
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