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…

一.JpaRepository 1.要使Spring自动生成实现类的步骤 (1)配置文件xml <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:…

一. 直观的给bean注入值如下: @Bean public CompactDisc sgtPeppers() { return new BlankDisc( "Sgt. Pepper's Lonely Hearts Club Band", "The Beatles"); } < bean id = "sgtPeppers" class = "soundsystem.BlankDisc" c: _title = &quo…

1. package soundsystem; import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Configuration; @Configuration public class CDPlayerConfig { @Bean public CompactDisc compactDisc() { return new SgtPeppers(); }…

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…

一. 1. 2. 3.customer-flow.xml 自己定义customer,最后output <?xml version="1.0" encoding="UTF-8"?> <flow xmlns="http://www.springframework.org/schema/webflow" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xs…

一. 1. 2.pizza-flow.xml <?xml version="1.0" encoding="UTF-8"?> <flow xmlns="http://www.springframework.org/schema/webflow" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http:…