VB源码功能一：保存每次输入的收支记录，并提供三种查询方式：日期法、种类法、金额法，或打开浏览窗口组合三种方法。 功能二：每月根据收支记录计算当月总收入、总支出、余额和各种类收支情况。-VB source code one function: to preserve the income and expenditure for each input record, and to provide three types of query: Date law, the types of law