一.概述 1.Spring offers several options for configuring data-source beans in your Spring application, including these:  Data sources that are defined by a JDBC driver Data sources that are looked up by JNDI Data sources that pool connections 2. 二.四种方…

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 hand…

为了使查询数据库时,可以使用命名参数,则要用NamedParameterJdbcTemplate 1.Java文件配置 @Bean public NamedParameterJdbcTemplate jdbcTemplate(DataSource dataSource) { return new NamedParameterJdbcTemplate(dataSource); } 2.在Dao层中使用 private static final String INSERT_SPITTER = "in…

0.结构 一.JDBC层 1. package spittr.db; import java.util.List; import spittr.domain.Spitter; /** * Repository interface with operations for {@link Spitter} persistence. * @author habuma */ public interface SpitterRepository { long count(); Spitter save(Sp…

No matter what happens, good or bad, the outcome of a servlet request is a servlet response. If an exception occurs during request processing, the outcome is still a servlet response. Somehow, the exception must be translated into a response. Spring…

一. Spring offers two JSP tag libraries to help define the view of your Spring MVC web views. One tag library renders HTML form tags that are bound to a model attribute. The other has a hodgepodge of utility tags that come in handy from time to time.…

一. Starting with Spring 3.0, Spring supports the Java Validation API in Spring MVC . No extra configuration is required to make Java Validation work in Spring MVC . You just need to make sure an implementation of the Java API , such as Hibernate Vali…

一. 不同的Aop框架在支持aspect何时.如何织入到目标中是不一样的.如AspectJ和Jboss支持在构造函数和field被修改时织入,但spring不支持,spring只支持一般method的织入.spring通过以下四种方式支持AOP:  Classic Spring proxy-based AOP Pure- POJO aspects @AspectJ annotation-driven aspects Injected AspectJ aspects (available…

一. 1. As you can see, a bean factory performs several setup steps before a bean is ready touse. Let’s break down figure 1.5 in more detail:1 Spring instantiates the bean.2 Spring injects values and bean references into the bean’s properties.3 If the…

1.Spring’s fundamental mission: Spring simplifies Java development. 2.To back up its attack on Java complexity, Spring employs four key strategies:  Lightweight and minimally invasive development with POJO s Loose coupling through DI and interface…