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詳解springboot采用多數(shù)據(jù)源對JdbcTemplate配置的方法

 更新時間：2018年10月12日 14:13:12   投稿：laozhang  
在本篇文章中我們給大家詳細分享了springboot采用多數(shù)據(jù)源對JdbcTemplate配置的方法，有需要的朋友們可以學習參考下。

springboot多數(shù)據(jù)源配置，代碼如下

DataSourceConfig

package com.rookie.bigdata.config;
 
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.jdbc.DataSourceBuilder;
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 javax.sql.DataSource;
 
/**
 * @author
 * @date 2018/10/10
 */
@Configuration
public class DataSourceConfig {
 
 @Bean(name = "primaryDataSource")
 @Qualifier("primaryDataSource")
 @ConfigurationProperties(prefix="spring.datasource.primary")
 public DataSource primaryDataSource() {
  return DataSourceBuilder.create().build();
 }
 
 @Bean(name = "secondaryDataSource")
 @Qualifier("secondaryDataSource")
 @Primary
 @ConfigurationProperties(prefix="spring.datasource.secondary")
 public DataSource secondaryDataSource() {
  return DataSourceBuilder.create().build();
 }
 
 @Bean(name = "primaryJdbcTemplate")
 public JdbcTemplate primaryJdbcTemplate(
   @Qualifier("primaryDataSource") DataSource dataSource) {
  return new JdbcTemplate(dataSource);
 }
 
 @Bean(name = "secondaryJdbcTemplate")
 public JdbcTemplate secondaryJdbcTemplate(
   @Qualifier("secondaryDataSource") DataSource dataSource) {
  return new JdbcTemplate(dataSource);
 }
 
}

StudentServiceImpl

package com.rookie.bigdata.service;
 
import com.rookie.bigdata.domain.Student;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Service;
 
/**
 * @author
 * @date 2018/10/9
 */
@Service
public class StudentServiceImpl implements StudentService {
 
 @Autowired
 @Qualifier("primaryJdbcTemplate")
 private JdbcTemplate jdbcTemplate;
 
 @Autowired
 @Qualifier("secondaryJdbcTemplate")
 private JdbcTemplate jdbcTemplate2;
 
 /**
  * 采用第一個暑假源進行插入數(shù)據(jù)
  * @param student
  */
 @Override
 public void create(Student student) {
 
  jdbcTemplate.update("INSERT INTO student(stu_no,name,age)VALUE (?,?,?)", student.getStuNo(), student.getName(), student.getAge());
 
 }
 
 /**
  * 第一個數(shù)據(jù)源進行插入數(shù)據(jù)
  * @param stuNo
  */
 @Override
 public void deleteByNo(Integer stuNo) {
  jdbcTemplate.update("DELETE FROM student WHERE stu_no=?", stuNo);
 }
 
 /**
  * 第二個數(shù)據(jù)源進行查詢數(shù)據(jù)
  * @param stuNo
  * @return
  */
 @Override
 public Integer queryByStuNo(Integer stuNo) {
  return jdbcTemplate2.queryForObject("select count(1) from student", Integer.class);
 }
}

配置文件 application.properties

spring.datasource.primary.url=jdbc:mysql://localhost:3306/springboot
spring.datasource.primary.username=root
spring.datasource.primary.password=root
spring.datasource.primary.driver-class-name=com.mysql.jdbc.Driver
 
spring.datasource.secondary.url=jdbc:mysql://localhost:3306/springboot
spring.datasource.secondary.username=root
spring.datasource.secondary.password=root
spring.datasource.secondary.driver-class-name=com.mysql.jdbc.Driver

測試代碼如下

package com.rookie.bigdata.service;
 
import com.rookie.bigdata.domain.Student;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
 
/**
 * @author liuxili
 * @date 2018/10/10
 */
 
@RunWith(SpringRunner.class)
@SpringBootTest
public class StudentServiceImplTest {
 
 @Autowired
 private StudentServiceImpl studentService;
 
 @Test
 public void create1() throws Exception {
  Student student = new Student();
  student.setStuNo(1L);
  student.setName("張三");
  student.setAge(23);
  studentService.create(student);
 }
 @Test
 public void deleteByName1() throws Exception {
  studentService.deleteByNo(1);
 }
 @Test
 public void queryByStuNo1() throws Exception {
  System.out.println(studentService.queryByStuNo(1));
 
 }
}

在運行的時候會出現(xiàn)如下異常問題，運行失敗，報出java.lang.IllegalArgumentException: jdbcUrl is required with driverClassName.異常

后來經(jīng)過查資料，發(fā)現(xiàn)出現(xiàn)該問題的原因是由于springboot版本的問題，本實例采用的springboot版本為2.0.5，如果將版本改為1.5以前的版本就不會出現(xiàn)如上的問題，其實解決上面的異常主要有如下兩種解決方案

方案一：

按照如下方案進行修改application.properties配置文件，如下：修改完成后，上面的異常不會再出現(xiàn)

spring.datasource.primary.jdbc-url=jdbc:mysql://localhost:3306/springboot
spring.datasource.primary.username=root
spring.datasource.primary.password=root
spring.datasource.primary.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.secondary.jdbc-url=jdbc:mysql://localhost:3306/springboot
spring.datasource.secondary.username=root
spring.datasource.secondary.password=root
spring.datasource.secondary.driver-class-name=com.mysql.jdbc.Driver

方案二：

原有的application.properties配置文件不進行修改，修改DataSourceConfig類中的信息，如下:修改完成后，異常也不會再出現(xiàn)能夠正常運行

application.properties

spring.datasource.primary.url=jdbc:mysql://localhost:3306/springboot
spring.datasource.primary.username=root
spring.datasource.primary.password=root
spring.datasource.primary.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.secondary.url=jdbc:mysql://localhost:3306/springboot
spring.datasource.secondary.username=root
spring.datasource.secondary.password=root
spring.datasource.secondary.driver-class-name=com.mysql.jdbc.Driver

DataSourceConfig

package com.rookie.bigdata.config;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.autoconfigure.jdbc.DataSourceProperties;
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 javax.sql.DataSource;
/**
 * @author
 * @date 2018/10/10
 */
@Configuration
public class DataSourceConfig {
 @Bean(name = "primaryJdbcTemplate")
 public JdbcTemplate primaryJdbcTemplate(
   @Qualifier("primaryDataSource") DataSource dataSource) {
  return new JdbcTemplate(dataSource);
 }
 @Bean(name = "secondaryJdbcTemplate")
 public JdbcTemplate secondaryJdbcTemplate(
   @Qualifier("primaryDataSource") DataSource dataSource) {
  return new JdbcTemplate(dataSource);
 }
 @Primary
 @Bean(name = "primaryDataSourceProperties")
 @Qualifier("primaryDataSourceProperties")
 @ConfigurationProperties(prefix = "spring.datasource.primary")
 public DataSourceProperties primaryDataSourceProperties() {
  return new DataSourceProperties();
 }
 @Bean(name = "secondaryDataSourceProperties")
 @Qualifier("secondaryDataSourceProperties")
 @ConfigurationProperties(prefix = "spring.datasource.secondary")
 public DataSourceProperties secondaryDataSourceProperties() {
  return new DataSourceProperties();
 }
 
 @Primary
 @Bean(name = "primaryDataSource")
 @Qualifier("primaryDataSource")
 @ConfigurationProperties(prefix = "spring.datasource.primary")
 public DataSource primaryDataSource() {
 
  return primaryDataSourceProperties().initializeDataSourceBuilder().build();
 }
 @Bean(name = "secondaryDataSource")
 @Qualifier("secondaryDataSource")
 @ConfigurationProperties(prefix = "spring.datasource.secondary")
 public DataSource secondaryDataSource() {
 
  return primaryDataSourceProperties().initializeDataSourceBuilder().build();
 }
}

至此，springboot 采用多數(shù)據(jù)源對JdbcTemplate進行配置完美解決，感謝大家對腳本之家的支持。

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