SPRING IN ACTION 第4版笔记-第十章Hitting the database with spring and jdbc-001-Spring对原始JDBC的封装

1.spring扩展的jdbc异常

2.Template的运行机制

Spring separates the fixed and variable parts of the data-access process into two distinct classes: templates and callbacks. Templates manage the fixed part of the process,whereas your custom data-access code is handled in callbacks. Figure 10.2 shows the responsibilities of both classes.

3.spring支持的template