上篇文章咱们讲到了自定义RowMapper回来成果体,这篇文章主要讲解一下在项目中去运用代码注入DataSource(也是为了将项目的特点定制为自己喜欢的名称等).
将application.yml配置文件修改为以下内容
custom:
source:
driver: com.mysql.jdbc.Driver
url: jdbc:mysql://localhost:3306/test
username: root
password: 123456
在源码目录下新建config目录, 在该目录下新建CustomDataSource类文件
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.edurt.config;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.jdbc.DataSourceBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.core.JdbcTemplate;
import javax.sql.DataSource;
/**
* CustomDataSource <br/>
* 描述 : CustomDataSource <br/>
* 作者 : qianmoQ <br/>
* 版本 : 1.0 <br/>
* 创立时刻 : 2018-03-28 下午2:51 <br/>
* 联系作者 : <a href="mailTo:shichengoooo@163.com">qianmoQ</a>
*/
@Configuration
public class CustomDataSource {
@Value(value = "${custom.source.driver}")
private String driver;
@Value(value = "${custom.source.url}")
private String url;
@Value(value = "${custom.source.username}")
private String username;
@Value(value = "${custom.source.password}")
private String password;
@Bean
public DataSource dataSource() {
return DataSourceBuilder.create()
.driverClassName(driver)
.url(url)
.username(username)
.password(password).build();
}
@Bean
@ConfigurationProperties(prefix = "custom.source")
public DataSource dataSource() {
return DataSourceBuilder.create().build();
}
@Bean
public JdbcTemplate jdbcTemplate() {
return new JdbcTemplate(dataSource());
}
}
