blog/spring-samples-for-all
2
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

modify

Browse Source
This commit is contained in:
罗祥 2018-12-24 09:55:05 +08:00
parent 245bc6456c
commit 62f4e296d3
3 changed files with 16 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
spring/spring-jdbc-annotation/src/main/java/com/heibaiying/config/ServletConfig.java
View File

@ -19,14 +19,11 @@ import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
@ComponentScan(basePackages = {"com.heibaiying.*"}) @ComponentScan(basePackages = {"com.heibaiying.*"})
public class ServletConfig implements WebMvcConfigurer { public class ServletConfig implements WebMvcConfigurer {
@Autowired
private DataSourceConfig sourceConfig;
/** /**
* 配置数据源 * 配置数据源
*/ */
@Bean @Bean
public DriverManagerDataSource dataSource() { public DriverManagerDataSource dataSource(DataSourceConfig sourceConfig) {
DriverManagerDataSource dataSource = new DriverManagerDataSource(); DriverManagerDataSource dataSource = new DriverManagerDataSource();
dataSource.setDriverClassName(sourceConfig.getDriverClassName()); dataSource.setDriverClassName(sourceConfig.getDriverClassName());
dataSource.setUrl(sourceConfig.getUrl()); dataSource.setUrl(sourceConfig.getUrl());
@ -53,9 +50,9 @@ public class ServletConfig implements WebMvcConfigurer {
* 定义事务管理器 * 定义事务管理器
*/ */
@Bean @Bean
public DataSourceTransactionManager transactionManager() { public DataSourceTransactionManager transactionManager(DriverManagerDataSource dataSource) {
DataSourceTransactionManager manager = new DataSourceTransactionManager(); DataSourceTransactionManager manager = new DataSourceTransactionManager();
manager.setDataSource(dataSource()); manager.setDataSource(dataSource);
return manager; return manager;
} }

3
spring/spring-mybatis-annotation/src/main/java/com/heibaiying/config/DataSourceConfig.java
View File

@ -1,11 +1,9 @@
package com.heibaiying.config; package com.heibaiying.config;
import lombok.Data; import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.beans.factory.annotation.Value; import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration; import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource; import org.springframework.context.annotation.PropertySource;
import org.springframework.core.annotation.Order;
/** /**
* @author : heibaiying * @author : heibaiying
@ -15,7 +13,6 @@ import org.springframework.core.annotation.Order;
@Configuration @Configuration
@PropertySource(value = "classpath:mysql.properties") @PropertySource(value = "classpath:mysql.properties")
@Data @Data
@NoArgsConstructor
public class DataSourceConfig { public class DataSourceConfig {
/** /**

26
spring/spring-mybatis-annotation/src/main/java/com/heibaiying/config/ServletConfig.java
View File

@ -2,14 +2,10 @@ package com.heibaiying.config;
import org.mybatis.spring.SqlSessionFactoryBean; import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.mapper.MapperScannerConfigurer; import org.mybatis.spring.mapper.MapperScannerConfigurer;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean; import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan; import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;; import org.springframework.context.annotation.Configuration;;
import org.springframework.context.annotation.DependsOn;
import org.springframework.core.annotation.Order;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver; import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.DataSourceTransactionManager; import org.springframework.jdbc.datasource.DataSourceTransactionManager;
import org.springframework.jdbc.datasource.DriverManagerDataSource; import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.transaction.annotation.EnableTransactionManagement; import org.springframework.transaction.annotation.EnableTransactionManagement;
@ -26,19 +22,23 @@ import java.io.IOException;
@ComponentScan(basePackages = {"com.heibaiying.*"}) @ComponentScan(basePackages = {"com.heibaiying.*"})
public class ServletConfig implements WebMvcConfigurer { public class ServletConfig implements WebMvcConfigurer {
@Autowired /* @Autowired
private DataSourceConfig sourceConfig; * private DataSourceConfig sourceConfig;
* 不要采用这种方式注入DataSourceConfig,由于类的加载顺序影响会报空指针异常
* 最好的方式是在DriverManagerDataSource构造中采用参数注入
*/
/** /**
* 配置数据源 * 配置数据源
* sourceConfig
*/ */
@Bean @Bean
public DriverManagerDataSource dataSource() { public DriverManagerDataSource dataSource(DataSourceConfig sourceConfig) {
DriverManagerDataSource dataSource = new DriverManagerDataSource(); DriverManagerDataSource dataSource = new DriverManagerDataSource();
dataSource.setDriverClassName("com.mysql.jdbc.Driver"); dataSource.setDriverClassName(sourceConfig.getDriverClassName());
dataSource.setUrl("jdbc:mysql://localhost:3306/mysql"); dataSource.setUrl(sourceConfig.getUrl());
dataSource.setUsername("root"); dataSource.setUsername(sourceConfig.getUsername());
dataSource.setPassword("root"); dataSource.setPassword(sourceConfig.getPassword());
return dataSource; return dataSource;
} }
@ -74,9 +74,9 @@ public class ServletConfig implements WebMvcConfigurer {
* 定义事务管理器 * 定义事务管理器
*/ */
@Bean @Bean
public DataSourceTransactionManager transactionManager() { public DataSourceTransactionManager transactionManager(DriverManagerDataSource dataSource) {
DataSourceTransactionManager manager = new DataSourceTransactionManager(); DataSourceTransactionManager manager = new DataSourceTransactionManager();
manager.setDataSource(dataSource()); manager.setDataSource(dataSource);
return manager; return manager;
} }