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App Inventor (TinyWebDB) Web Database Service

出席管理システム・プロトタイプ

Attend Managment System Prototype

App Inventorで学生証のRFIDに反応し、学籍番号をTinyWebDBに記録する方法。

tinywebdb-php

a TinyWebDB implementation based on PHP and textfile. No database is required.

This is a web service for use with App Inventor for Android / iOS and other light web service. This particular service stores and retrieves tag-value pairs using the protocol necessary to communicate with the TinyWebDB component of an App Inventor app.

TinyWebDB Protocol:

Action URL Post Parameters Response
Get Value {ServiceURL}/getvalue tag JSON: ["VALUE","{tag}", {value}]
Store A Value {ServiceURL}/storeavalue tag,value JSON: ["STORED", "{tag}", {value}]

Fertures:

  • TinyWebDB API
    • handle storevalue request, then save to a textfile.
    • handle getvalue request and return content from the textfile.
  • Test Form:
    • send storevalue request
    • send getvalue request
  • Tag View
    • List all tags
    • The tags link to getvalue API
  • Log tail viewer
    • Daily log file
    • last 20 lines view

Install

  1. create an Apache virtual host
  2. Enable .htaccess. (set AllowOverride to All)
  3. clone all files to virture host root.