优化费用出账

wuxw

2020-06-25 b88188e763c048b41d2f786f68e35fa1a10b61fa

 java110-db/src/main/java/com/java110/db/DataSourceConfig.java

@@ -1,8 +1,19 @@
package com.java110.db;

import org.apache.shardingsphere.shardingjdbc.api.yaml.YamlShardingDataSourceFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

import javax.servlet.Filter;
import javax.sql.DataSource;
import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.sql.SQLException;

/**
@@ -11,10 +22,10 @@
@Configuration
public class DataSourceConfig {

//    @Autowired
//    private Filter statFilter;
//
//    private static final String SHARDING_YML_PATH = "dataSource.yml";
    //@Autowired
    private Filter statFilter;

    private static final String SHARDING_YML_PATH = "dataSource.yml";

    /**
     * 构建dataSource
@@ -26,8 +37,8 @@
     * @throws IOException  IO 异常
     * @since 1.8
     */
//    @Bean
//    public DataSource dataSource() throws SQLException, IOException {
    @Bean
    public DataSource dataSource() throws SQLException, IOException {
//        YamlShardingConfiguration config = parse();
//        YamlShardingRuleConfiguration rule = config.getShardingRule();
//        for (String key : config.getDataSources().keySet()) {
@@ -36,22 +47,41 @@
//        }
//        return ShardingDataSourceFactory.createDataSource(config.getDataSources(),
//                rule.getShardingRuleConfiguration(), config.getConfigMap(), config.getProps());
//    }
//
//    /**
//     * 解析yml
//     *
//     * @return yaml 配置文件
//     * @throws IOException                  IO 异常
//     * @throws FileNotFoundException        文件未发现异常
//     * @throws UnsupportedEncodingException 不支持编码异常
//     */
//    private MasterSlaveDataSourceFactory parse() throws IOException, FileNotFoundException, UnsupportedEncodingException {
//        Resource certResource = new ClassPathResource(SHARDING_YML_PATH);
//        try (
//                InputStreamReader inputStreamReader = new InputStreamReader(certResource.getInputStream(), "UTF-8")
//        ) {
//            return YamlMasterSlaveDataSourceFactory;
//        }
//    }

        return YamlShardingDataSourceFactory.createDataSource(getYmlFile());
    }

    /**
     * 解析yml
     *
     * @return yaml 配置文件
     * @throws IOException                  IO 异常
     * @throws FileNotFoundException        文件未发现异常
     * @throws UnsupportedEncodingException 不支持编码异常
     */
    private byte[] getYmlFile() throws IOException {
        Reader reader = null;
        InputStream inputStream = null;
        ByteArrayOutputStream swapStream = null;
        try {
            Resource resource = new ClassPathResource(SHARDING_YML_PATH);

            inputStream = resource.getInputStream();
            swapStream = new ByteArrayOutputStream();
            byte[] buff = new byte[100];
            int rc = 0;
            while ((rc = inputStream.read(buff, 0, 100)) > 0) {
                swapStream.write(buff, 0, rc);
            }
            byte[] in2b = swapStream.toByteArray();
            return in2b;
        } finally {
            if (inputStream != null) {
                inputStream.close();
            }
            if (swapStream != null) {
                swapStream.close();
            }
        }
    }
}