iPhone 平台上的一个待办事项备忘录的应用源码，基本功能实现，未真机测试。可以进行事件的增删改查和网络上传下载功能-The memorandum of a to-do on the iPhone platform application source code, the basic functions, not a real machine test. Event CRUD and network upload and download function

实现客户服务端同步待办事项，可对待办事项进行增删改查、上传、下载等操作。-Synchronization to achieve customer service side do, can do for CRUD, upload, download and other operations.