springboot jdbctemplate如何实现多数据源

spring.datasource.primary.jdbc-url=jdbc:mysql://localhost:3306/jdbctest
spring.datasource.primary.username=root
spring.datasource.primary.password=Yjb123456
spring.datasource.primary.driver-class-name=com.mysql.cj.jdbc.Driver

spring.datasource.secondary.jdbc-url=jdbc:mysql://localhost:3306/jdbctest2
spring.datasource.secondary.username=root
spring.datasource.secondary.password=Yjb123456
spring.datasource.secondary.driver-class-name=com.mysql.cj.jdbc.Driver

package com.yangjunbo.helloword.properties;

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;

@Configuration
public class DataSourceConfig {
    @Primary
    @Bean(name = "primaryDataSource")
    @Qualifier("primaryDataSource")
    @ConfigurationProperties(prefix="spring.datasource.primary")
    public DataSource primaryDataSource() {
        return DataSourceBuilder.create().build();
    }
    @Bean(name = "secondaryDataSource")
    @Qualifier("secondaryDataSource")
    @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);
    }
}

package com.yangjunbo.helloword;

import com.yangjunbo.helloword.pojo.Student;
import com.yangjunbo.helloword.rowMapper.StudentRowMapper;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.core.CallableStatementCallback;
import org.springframework.jdbc.core.CallableStatementCreator;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.PreparedStatementCreator;
import org.springframework.jdbc.support.GeneratedKeyHolder;
import org.springframework.jdbc.support.KeyHolder;

import java.sql.*;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

@SpringBootTest
public class RowMapper {
   
    @Autowired
    private JdbcTemplate primaryJdbcTemplate;

    @Autowired
    private JdbcTemplate secondaryJdbcTemplate;

    @Test
    public void dataSourceTest(){
        Student student = new Student("weiz多数据源",0,30);
        primaryJdbcTemplate.update("INSERT INTO Student(name, sex, age) values(?, ?, ?)",
                student.getName(), student.getSex(), student.getAge());

        secondaryJdbcTemplate.update("INSERT INTO Student(name, sex, age) values(?, ?, ?)",
                student.getName(), student.getSex(), student.getAge());
    }
}