c:\cordova_project
c:\cordova_project\project_name
c:\cordova_project\Crodova build release apk1.bat
c:\cordova_project\Crodova build release apk2.bat
c:\cordova_project\Crodova build release apk3.bat
c:\cordova_project\zipalign.exe

．Crodova build release apk1.bat

cd project_name
cordova build –release android

．Crodova build release apk2.bat

ECHO off
set /p storepass=input storepass  :
set /p keypass=input keypass  :

cd project_name
set PATH=%PATH%;C:\“Program Files”\Java\jdk1.8.0_74\bin\
jarsigner -verbose -keystore ../keystore/eexcel.keystore -storepass %storepass% -keypass %keypass% platforms/android/build/outputs/apk/android-release-unsigned.apk alias_name

．Crodova build release apk3.bat

cd project_name
del /f /q platforms/android/build/outputs/apk/project_name.apk

%cd%\..\zipalign -f -v 4  platforms\android\build\outputs\apk\android-release-unsigned.apk platforms\android\build\outputs\apk\project_name.apk

PS：zipalign download from internet
http://forum.xda-developers.com/showthread.php?t=2214583
http://forum.xda-developers.com/attachment.php?attachmentid=1848618&d=1364750980