____SpringBoot +MSSQL________________________________________________________________________________

https://www.cnblogs.com/wang-yaz/p/9561188.html ******************这篇最重要

4.从事务管理器中选择一个事务，在方法上加@Transactional(value = "mysqlTransactionManager",rollbackFor = Exception.class)

背景：原来一直都是使用mysql数据库，在application.properties 中配置数据库信息

spring.datasource.url=jdbc:mysql://xxxx/test

spring.datasource.type=com.alibaba.druid.pool.DruidDataSource

spring.datasource.driver-class-name=com.mysql.jdbc.Driver

spring.datasource.username=xxx

spring.datasource.password=xxx

这样spring boot会自动化配置，我们用spring boot 约定的配置，现在由于业务的需要，另加一个数据源sqlServer。下面是具体步骤以及遇到的一系列问题。

一、导入依赖

1 pom.xml文件：

2 <dependency>

3    <groupId>com.microsoft.sqlserver</groupId>

4    <artifactId>mssql-jdbc</artifactId>

5    <version>6.4.0.jre8</version>

6    <scope>runtime</scope>

7 </dependency>

二.在application.properties中配置

1 spring.datasource.second.jdbc-url=jdbc:sqlserver://xxxxx:1433;DatabaseName=test

2 spring.datasource.second.username=xxx

3 spring.datasource.second.password=xxxx

4 spring.datasource.second.driver-class-name=com.microsoft.sqlserver.jdbc.SQLServerDriver

5

6 注意1：连接数据库的方式不一样，mysql是/test ,sqlServer是;DatabaseName=test

7 spring.datasource.url=jdbc:mysql://xxxx/test

8 spring.datasource.second.jdbc-url=jdbc:sqlserver://xxxxx:1433;DatabaseName=test

三.配置sqlServer数据源

 1 package com.ieou.qmt.common;

 2 import org.apache.ibatis.session.SqlSessionFactory;

 3 import org.mybatis.spring.SqlSessionFactoryBean;

 4 import org.springframework.beans.factory.annotation.Qualifier;

 5 import org.springframework.boot.context.properties.ConfigurationProperties;

 6 import org.springframework.boot.jdbc.DataSourceBuilder;

 7 import org.springframework.context.annotation.Bean;

 8 import org.springframework.context.annotation.Configuration;

 9 import org.springframework.core.io.support.PathMatchingResourcePatternResolver;

10 import org.springframework.core.io.support.ResourcePatternResolver;

11 import org.springframework.jdbc.core.JdbcTemplate;

12 import org.springframework.jdbc.datasource.DataSourceTransactionManager;

13 import org.springframework.transaction.PlatformTransactionManager;

14 import javax.sql.DataSource;

15

16 @Configuration

17 public class SqlServerDataSourceConfig {

18

19     @Bean(name = "sqlServerDataSource")

20     @Qualifier("sqlServerDataSource")

21     @ConfigurationProperties(prefix="spring.datasource.second")

22     public DataSource getMyDataSource(){

23         return DataSourceBuilder.create().build();

24     }

25

26     @Bean(name = "secondaryJdbcTemplate")

27     public JdbcTemplate secondaryJdbcTemplate(

28             @Qualifier("sqlServerDataSource") DataSource dataSource) {

29         return new JdbcTemplate(dataSource);

30     }

31 }

总结：

配置到这里就可以使用JdbcTemplate来操作sqlServer了，（mysql是spring boot的自动化配置，sqlServer是我们手动配置的）只要在类中注入即可

例如：（JdbcTemplate 的用法自行百度）

public class IEOUMallServiceImpl implements IEOUMallService{

@Autowired

@Qualifier("secondaryJdbcTemplate")

protected JdbcTemplate jdbcTemplate2;

}

四.以上配置完成后在执行带有@Transactional 事务的接口时会发现报错：

1 "org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type

2

3 'org.springframework.transaction.PlatformTransactionManager' available\n\tat

4

5 org.springframework.beans.factory.support.DefaultListableBeanFactory.getBean(DefaultListableBeanFactory.java:347)\n\tat

6

7 org.springframework.beans.factory.support.DefaultListableBeanFactory.getBean(DefaultListableBeanFactory.java:334)\n\tat

8

9 org.springframework.transaction.interceptor.TransactionAspectSupport.determineTransactionManage

所以：我们必须手动分别配置mysql与sqlServer

1.配置文件：application.properties 需要改为如下：

 1 spring.datasource.first.jdbc-url=jdbc:mysql://xxxx:3306/test

 2 （这里要是jdbc-url，不然会报jdbcUrl is required with driverClassName的错误）

 3 spring.datasource.first.type=com.alibaba.druid.pool.DruidDataSource

 4 spring.datasource.first.driver-class-name=com.mysql.jdbc.Driver

 5 spring.datasource.first.username=xxx

 6 spring.datasource.first.password=xxx

 7

 8 spring.datasource.second.jdbc-url=jdbc:sqlserver://xxxx:1433;DatabaseName=test

 9 spring.datasource.second.username=xxx

10 spring.datasource.second.password=xxx

11 spring.datasource.second.driver-class-name=com.microsoft.sqlserver.jdbc.SQLServerDriver

2.原来的SqlServerDataSourceConfig改为如下：

 1 package com.ieou.qmt.common;

 2

 3 import org.apache.ibatis.session.SqlSessionFactory;

 4 import org.mybatis.spring.SqlSessionFactoryBean;

 5 import org.springframework.beans.factory.annotation.Qualifier;

 6 import org.springframework.boot.context.properties.ConfigurationProperties;

 7 import org.springframework.boot.jdbc.DataSourceBuilder;

 8 import org.springframework.context.annotation.Bean;

 9 import org.springframework.context.annotation.Configuration;

10 import org.springframework.core.io.support.PathMatchingResourcePatternResolver;

11 import org.springframework.core.io.support.ResourcePatternResolver;

12 import org.springframework.jdbc.core.JdbcTemplate;

13 import org.springframework.jdbc.datasource.DataSourceTransactionManager;

14 import org.springframework.transaction.PlatformTransactionManager;

15

16 import javax.sql.DataSource;

17

18 @Configuration

19 public class SqlServerDataSourceConfig {

20

21     private static final String MAPPER_PATH = "classpath:mybatis/mapping/mapper/*.xml";

22

23     private static final String ENTITY_PACKAGE = "com.ieou.qmt.mapper";

24

25     @Bean(name = "sqlServerDataSource")

26     @Qualifier("sqlServerDataSource")

27     @ConfigurationProperties(prefix="spring.datasource.second")

28     public DataSource getMyDataSource(){

29         return DataSourceBuilder.create().build();

30     }

31

32     @Bean(name = "secondaryJdbcTemplate")

33     public JdbcTemplate secondaryJdbcTemplate(

34             @Qualifier("sqlServerDataSource") DataSource dataSource) {

35         return new JdbcTemplate(dataSource);

36     }

37

38     @Bean(name = "second.SqlSessionTemplate")

39     public SqlSessionFactory devSqlSessionFactory(

40             @Qualifier("sqlServerDataSource") DataSource ddataSource)

41             throws Exception {

42         final SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();

43         sessionFactory.setDataSource(ddataSource);

44         ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();

45         sessionFactory.setMapperLocations(resolver.getResources(MAPPER_PATH));

46         sessionFactory.setTypeAliasesPackage(ENTITY_PACKAGE);

47         return sessionFactory.getObject();

48     }

49

50     @Bean

51     public PlatformTransactionManager sqlServerTransactionManager(@Qualifier("sqlServerDataSource") DataSource sqlServerDataSource)

52     {

53         return new DataSourceTransactionManager(sqlServerDataSource);

54     }

55

56 }

3.新建mysql配置文件如下：

 1 package com.ieou.qmt.common;

 2

 3 import org.apache.ibatis.session.SqlSessionFactory;

 4 import org.mybatis.spring.SqlSessionFactoryBean;

 5 import org.springframework.beans.factory.annotation.Qualifier;

 6 import org.springframework.boot.context.properties.ConfigurationProperties;

 7 import org.springframework.boot.jdbc.DataSourceBuilder;

 8 import org.springframework.context.annotation.Bean;

 9 import org.springframework.context.annotation.Configuration;

10 import org.springframework.context.annotation.Primary;

11 import org.springframework.core.io.support.PathMatchingResourcePatternResolver;

12 import org.springframework.core.io.support.ResourcePatternResolver;

13 import org.springframework.jdbc.datasource.DataSourceTransactionManager;

14 import org.springframework.transaction.PlatformTransactionManager;

15

16 import javax.sql.DataSource;

17

18 @Configuration

19 public class MysqlDataSourceConfig {

20

21     private static final String MAPPER_PATH = "classpath:mybatis/mapping/*.xml";

22

23     private static final String ENTITY_PACKAGE = "com.ieou.qmt.mapper";

24

25

26     @Bean(name = "dataSource")

27     @Primary

28     @Qualifier("dataSource")

29     @ConfigurationProperties(prefix="spring.datasource.first")

30     public DataSource getMyDataSource(){

31         return DataSourceBuilder.create().build();

32     }

33

34     @Bean(name = "first.SqlSessionTemplate")

35     @Primary

36     public SqlSessionFactory devSqlSessionFactory(

37             @Qualifier("dataSource") DataSource ddataSource)

38             throws Exception {

39         final SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();

40         sessionFactory.setDataSource(ddataSource);

41         ResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();

42         sessionFactory.setMapperLocations(resolver.getResources(MAPPER_PATH));

43         sessionFactory.setTypeAliasesPackage(ENTITY_PACKAGE);

44         return sessionFactory.getObject();

45     }

46

47     @Bean

48     @Primary

49     public PlatformTransactionManager mysqlTransactionManager(@Qualifier("dataSource") DataSource mysqlDataSource)

50     {

51         return new DataSourceTransactionManager(mysqlDataSource);

52     }

53 }

4.从事务管理器中选择一个事务，在方法上加@Transactional(value = "mysqlTransactionManager",rollbackFor = Exception.class)

至此：配置完毕，如有不足或不对的地方，请补充。

hello world!!!

分类: spring boot

_____________________________________________________________________________________________________

https://www.cnblogs.com/memoryXudy/p/7767741.html

基本项目框架搭建 sqlserver druid配置

1. 我的连接池采用的是阿里云的druid的连接池，工具是IDEA 框架是springboot+maven

以下是我的项目框架结构

2. pom 中配置

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <groupId>cn.xudy.sqlservice</groupId>

    <artifactId>StorageSqlService</artifactId>

    <version>1.0-SNAPSHOT</version>

    <parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>1.5.4.RELEASE</version>

        <relativePath/>

    </parent>

    <dependencies>

        <dependency>

            <groupId>com.alibaba</groupId>

            <artifactId>druid</artifactId>

            <version>1.0.25</version>

        </dependency>

        <dependency>

            <groupId>com.microsoft.sqlserver</groupId>

            <artifactId>sqljdbc4</artifactId>

            <version>4.0</version>

        </dependency>

        <!-- Spring Boot JDBC -->

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-jdbc</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-web</artifactId>

        </dependency>

    </dependencies>

    <build>

        <plugins>

            <plugin>

                <groupId>org.springframework.boot</groupId>

                <artifactId>spring-boot-maven-plugin</artifactId>

            </plugin>

        </plugins>

    </build>

</project>

2. .properties 配置

server.port=8011

druid.driver-class-name=com.microsoft.sqlserver.jdbc.SQLServerDriver

druid.url=jdbc:sqlserver://localhost:1433;DatabaseName=test

druid.username=sa

druid.password=123456

3. SystemConfig 配置

package cn.xudy.group.config;

import com.alibaba.druid.pool.DruidDataSource;

import org.springframework.beans.factory.annotation.Qualifier;

import org.springframework.boot.autoconfigure.jdbc.DataSourceBuilder;

import org.springframework.boot.context.properties.ConfigurationProperties;

import org.springframework.context.annotation.Bean;

import org.springframework.context.annotation.Configuration;

import org.springframework.context.annotation.Primary;

import org.springframework.jdbc.core.JdbcTemplate;

import org.springframework.stereotype.Component;

import org.springframework.web.servlet.config.annotation.CorsRegistry;

import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;

import javax.sql.DataSource;

/**

 * Created by Ulegal on 2017/8/19.

 */

@Configuration

public class SystemConfig {

            @Bean(name = "dataSource")

            @Qualifier(value = "dataSource")

            @Primary

            @ConfigurationProperties(prefix = "druid")

            public DataSource dataSource() {

                return DataSourceBuilder.create().type(DruidDataSource.class).build();

            }

    /**

     * 跨域

     * @return

     */

    @Bean

    public WebMvcConfigurer corsConfigurer() {

        return new WebMvcConfigurerAdapter() {

            @Override

            public void addCorsMappings(CorsRegistry registry) {

                registry.addMapping("/**");

            }

        };

    }

}

4. dao数据层测试

@Repository

public class StorageDaoImpl implements StorageDao{

    @Autowired

    JdbcTemplate jdbcTemplate;

    @Override

    public List<Map<String, Object>> getInfo() {

        // 传统方法

        List<Map<String,Object>> list = new ArrayList<Map<String, Object>>();

        String  sql  =   "SELECT * FROM " + "Table_1" +";";

        list = jdbcTemplate.queryForList(sql);

        System.out.println("-------------"+list);

        return list;

    }

搞定

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SpringBoot +MSSQL

基本项目框架搭建 sqlserver druid配置

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