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java.sql.SQLException: Before start of result set

tps post data- osi represent lease star stat 解決

錯誤原因:

如API中所述

API:

A table of data representing a database result set, which is usually generated by executing a statement that queries the database. A ResultSet object maintains a cursor pointing to its current row of data. Initially the cursor is positioned before the first row. The next

method moves the cursor to the next row。

就是說遊標初始化的位置在首行之前

解決方法:

在使用rs前要調用rs.next()方法



java.sql.SQLException: Before start of result set