This is a example .

test.db: 
    a sqlite db files. include  two tables. 
    1. user, 2. workspace

Usage:
   I just test it use the webserver by php
   like this:
   php -S 127.0.0.1:8080
   then , access http://127.0.0.1:8000/index.html
   input username, press button, you can see all workspace 
   belong to the user.
   if nothing to input, you can see all workspace.


requirment:
    php 5.4 with sqlite3 support.
    boostrap
    jquery