@Bean
public DataSource dataSource() throws SQLException {
SimpleDriverDataSource dataSource = new SimpleDriverDataSource();
dataSource.setDriver(new Driver());
dataSource.setUrl("jdbc:mysql://localhost:3306/pensiondb");
dataSource.setUsername("root");
dataSource.setPassword("teresa");
return dataSource;
}
@Bean
public DataSource dataSource() {
SimpleDriverDataSource dataSource = new SimpleDriverDataSource();
dataSource.setDriverClass(org.postgresql.Driver.class);
dataSource.setUrl("jdbc:postgresql://localhost/Cinema");
dataSource.setUsername("postgres");
dataSource.setPassword("postgres");
return dataSource;
}
private DataSource createSimpleDataSource() throws ClassNotFoundException {
PropsUtil props = new PropsUtil("db.config.properties");
SimpleDriverDataSource dataSource = new SimpleDriverDataSource();
dataSource.setDriverClass((Class<? extends Driver>) Class.forName(props.getString("driver")));
dataSource.setUrl(props.getString("url"));
dataSource.setUsername("");
dataSource.setPassword("");
return dataSource;
}
/** 构造数据源，仅构造一次. 连接参数从配置文件中读取，可指向本地的开发环境，也可以指向远程的测试服务器。 */
protected static void buildDataSourceOnce() throws ClassNotFoundException {
if (dataSource == null) {
dataSource = new SimpleDriverDataSource();
dataSource.setDriverClass(
(Class<? extends Driver>) Class.forName(propertiesLoader.getProperty("jdbc.driver")));
dataSource.setUrl(propertiesLoader.getProperty("jdbc.url"));
dataSource.setUsername(propertiesLoader.getProperty("jdbc.username"));
dataSource.setPassword(propertiesLoader.getProperty("jdbc.password"));
}
}
@SuppressWarnings("unchecked")
@Bean
@Autowired
DataSource getDataSource(Environment env)
throws ClassNotFoundException, InstantiationException, IllegalAccessException {
SimpleDriverDataSource dataSource = new SimpleDriverDataSource();
dataSource.setDriverClass(
(Class<? extends java.sql.Driver>) Class.forName(env.getProperty("db.driver")));
dataSource.setUrl(env.getProperty("db.url"));
dataSource.setUsername(env.getProperty("db.username"));
dataSource.setPassword(env.getProperty("db.password"));
return dataSource;
}
@Bean(name = "dataSource")
public DataSource dataSource() {
/*BasicDataSource dataSource = new BasicDataSource();
dataSource.setDriverClassName("com.mysql.jdbc.Driver");
dataSource.setUrl("jdbc:mysql://localhost:3306/diagram");
dataSource.setUsername("user");
dataSource.setPassword("user");
dataSource.setValidationQuery("SELECT 1");
dataSource.setTestOnBorrow(true);
return dataSource;*/
SimpleDriverDataSource dataSource = new SimpleDriverDataSource();
dataSource.setDriverClass(org.h2.Driver.class);
dataSource.setUsername("sa");
dataSource.setUrl(
"jdbc:h2:mem:test;DB_CLOSE_DELAY=-1;INIT=CREATE SCHEMA IF NOT EXISTS diagram");
dataSource.setPassword("");
return dataSource;
}
private static void persistProductList(final List<Product> products) {
try {
SimpleDriverDataSource dataSource = new SimpleDriverDataSource();
dataSource.setDriver(new com.mysql.jdbc.Driver());
dataSource.setUrl("jdbc:mysql://localhost/inventory");
dataSource.setUsername("root");
// dataSource.setPassword("P@ssw0rd");
JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);
String sql =
"insert into products (productName, productCode, productType, sellingRate, costRate, createdDate, updatedDate) values ( ?, ?, ?, ?, ?, ?, ?)";
jdbcTemplate.batchUpdate(
sql,
new BatchPreparedStatementSetter() {
@Override
public void setValues(PreparedStatement preparedStatement, int i) throws SQLException {
Product product = products.get(i);
preparedStatement.setString(1, product.getProductName());
preparedStatement.setString(2, product.getProductCode());
preparedStatement.setString(3, product.getProductType());
preparedStatement.setDouble(
4, (product.getSellingRate() == null ? 0 : product.getSellingRate()));
preparedStatement.setDouble(
5, (product.getCostRate() == null ? 0 : product.getCostRate()));
preparedStatement.setDate(6, new Date((new java.util.Date()).getTime()));
preparedStatement.setDate(7, new Date((new java.util.Date()).getTime()));
}
@Override
public int getBatchSize() {
return products.size();
}
});
} catch (Exception ex) {
ex.printStackTrace();
}
}