请重新检查股票，我是即时进行的。我不记得pg_dump上的-w是什么。
这样，您将为每个数据库获取一个文件。
作为建议，在谈论Windows上的文件夹路径时，请用\ /代替
抱歉。

Please, re-check the scrip, i do it on the fly. I don't remember what is the -w on pg_dump. In this way you will obtain a file for each db. And as a suggestion, use \ instead / when speak about folder paths on Windows Excuse my english.

@echo off

set BASELOG=LOG
set BACKUPDIR=C:/postgres/backups/
set BACKUPDIR2=C:\postgres\backups
set PGHOST=localhost
set PGUSER=postgres
set PGBIN="C:/Program Files/PostgreSQL/9.3/bin/"
set FILELOG=log.txt

set BACKUPDIRDATE="%BACKUPDIR%%date%/"
for /f "tokens=1-4 delims=/ " %%i in ("%date%") do (
 set dow=%%i
 set month=%%j
 set day=%%k
 set year=%%l
)
if not exist %BACKUPDIRDATE% mkdir %BACKUPDIRDATE%

(

if exist dbs.lst del dbs.lst
psql -h %PGHOST% -p 5432 -U %PGUSER% -c "SELECT datname FROM pg_database WHERE datistemplate = false;" -o "dbs.lst"

for /f %%a IN (dbs.lst) DO (

    echo Backup start %date%  %time%
    %PGBIN%pg_dump -w -i -h %PGHOST% -U %PGUSER% -F c -b -v -f "%BACKUPDIRDATE%-%%a.compressed" %%a
    echo End of backup %BASELOG%

)

FORFILES /p %BACKUPDIR2% /s /D -7 /C "cmd /c rd /S /Q @path"
echo Files are deleted
 )>> %BACKUPDIRDATE%%FILELOG% 2>&1