zhaowenxuan
2025-02-08 eca1c2ce8506dfd5ad8f94235382b666ea831dfd
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package com.ltkj.db;
 
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.spring.boot.autoconfigure.DruidDataSourceBuilder;
import com.ltkj.common.enums.DataSourceType;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
 
import javax.sql.DataSource;
import java.io.*;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
 
@Slf4j
@Configuration
public class DataSourceConfig {
 
    private static final String DEFAULT_DATA_SOURCE_KEY = "default"; // 主库的标识
    private final Map<String, DataSource> dataSourceCache = new HashMap<>(); // 数据源缓存
 
    @Value("${config.properties}")
    private String url;
 
    @Value("${config.path}")
    private String path;
 
    // 从 application.yml 中读取主库的配置
//    @Value("${spring.datasource.url}")
    private String primaryUrl;
 
    private String primaryPort;
 
    //    @Value("${spring.datasource.username}")
    private String primaryUsername;
 
    //    @Value("${spring.datasource.password}")
    private String primaryPassword;
 
    //    @Value("${dbUrl}")
    private String dbUrl;
 
    private String dbName;
 
    @Bean(name = "hospDynamicDataSources")
    public DataSource hospDynamicDataSources() {
        HospDynamicDataSource dynamicDataSource = new HospDynamicDataSource();
        FileInputStream fis = null;
        Properties props = new Properties();
        try {
            fis = new FileInputStream(url);
            props.load(fis);
            fis.close();
            dbUrl = props.getProperty("ip");
            dbName = props.getProperty("name");
            primaryPassword = props.getProperty("password");
            primaryPort = props.getProperty("prot");
            primaryUsername = props.getProperty("username");
        } catch (IOException e) {
            throw new RuntimeException("读取配置文件失败", e);
        }
        String url = "jdbc:mysql://" + dbUrl + ":" + primaryPort + "/" + dbName;
        // 初始化默认数据源为主库
        dynamicDataSource.addTargetDataSource(DEFAULT_DATA_SOURCE_KEY, createDataSource(url, primaryUsername, primaryPassword));
 
        DruidProperties properties = new DruidProperties();
        dynamicDataSource.addTargetDataSource(DataSourceType.MASTER.name(),masterDataSource(properties));
        dynamicDataSource.addTargetDataSource(DataSourceType.SLAVE_HIS.name(),slaveHisDataSource(properties));
        dynamicDataSource.addTargetDataSource(DataSourceType.SLAVE_LIS.name(),slaveDataLisSource(properties));
        dynamicDataSource.addTargetDataSource(DataSourceType.SLAVE_PACS.name(),slaveDataPacsSource(properties));
        dynamicDataSource.addTargetDataSource(DataSourceType.SLAVE_WS.name(),slaveDataWsSource(properties));
 
        dynamicDataSource.setDefaultTargetDataSource(dynamicDataSource.getTargetDataSources().get(DEFAULT_DATA_SOURCE_KEY)); // 设置默认数据源
        return dynamicDataSource;
    }
 
    // 动态创建数据源
    private DataSource createDataSource(String url, String username, String password) {
        DruidDataSource dataSource = new DruidDataSource();
        dataSource.setUrl(url);
        dataSource.setUsername(username);
        dataSource.setPassword(password);
        return dataSource;
    }
 
    // 根据用户 ID 动态获取数据源
    public void addDataSource(String dbName) {
        FileInputStream fis = null;
        Properties props = new Properties();
        try {
            fis = new FileInputStream(url);
            props.load(fis);
            fis.close();
            dbUrl = props.getProperty("ip");
            primaryPassword = props.getProperty("password");
            primaryPort = props.getProperty("prot");
            primaryUsername = props.getProperty("username");
        } catch (IOException e) {
            throw new RuntimeException("读取配置文件失败", e);
        }
 
        // 检查缓存中是否已经存在该数据源
        if (!dataSourceCache.containsKey(dbName)) {
            synchronized (this) {
                String url = "jdbc:mysql://" + dbUrl + ":" + primaryPort + "/" + dbName;
                DataSource dataSource = createDataSource(url, primaryUsername, primaryPassword);
                dataSourceCache.put(dbName, dataSource);
                HospDynamicDataSource dynamicDataSource = (HospDynamicDataSource) hospDynamicDataSources();
                dynamicDataSource.addTargetDataSource(dbName, dataSource);
            }
        }
    }
 
    private DataSource masterDataSource(DruidProperties druidProperties) {
        DruidDataSource dataSource = DruidDataSourceBuilder.create().build();
        Properties props = new Properties();
        try {
            // 从文件中读取配置信息
            FileInputStream fis = null;
            try {
                fis = new FileInputStream(url);
            } catch (FileNotFoundException e) {
                log.info("数据库连接文件找不到!");
            }
            props.load(fis);
            fis.close();
            // 获取属性值并赋值
            String hisenabled = props.getProperty("hisenabled");
            if (hisenabled.equals("false"))
                return null;
            dataSource = creatMysql(hisenabled, props.getProperty("ip"),props.getProperty("prot"),props.getProperty("name"),props.getProperty("username"),props.getProperty("password"));
            log.info("his数据库连接成功!!!");
        } catch (Exception e) {
            log.info("数据库连接失败  请联系管理员!");
            e.printStackTrace();
        }
        return druidProperties.dataSource(dataSource);
    }
 
    private DataSource slaveHisDataSource(DruidProperties druidProperties) {
        DruidDataSource dataSource = DruidDataSourceBuilder.create().build();
        Properties props = new Properties();
        try {
            // 从文件中读取配置信息
            FileInputStream fis = null;
            try {
                fis = new FileInputStream(url);
            } catch (FileNotFoundException e) {
                log.info("数据库连接文件找不到!");
            }
            props.load(fis);
            fis.close();
            // 获取属性值并赋值
            String hisenabled = props.getProperty("hisenabled");
            if (hisenabled.equals("false"))
                return null;
            String hisdbtype = props.getProperty("hisdbtype");
            switch (hisdbtype){
                case "sqlserver":
                    dataSource = creatSqlServer(hisenabled, props.getProperty("hisip"),props.getProperty("hisprot"),props.getProperty("hisname"),props.getProperty("hisusername"),props.getProperty("hispassword"));
                    break;
                case "mysql":
                    dataSource = creatMysql(hisenabled, props.getProperty("hisip"),props.getProperty("hisprot"),props.getProperty("hisname"),props.getProperty("hisusername"),props.getProperty("hispassword"));
                    break;
                case "oracle":
                    dataSource = creatOracle(hisenabled, props.getProperty("hisip"),props.getProperty("hisprot"),props.getProperty("hisname"),props.getProperty("hisusername"),props.getProperty("hispassword"));
                    break;
                default:
                    dataSource = creatSqlServer(hisenabled, props.getProperty("hisip"),props.getProperty("hisprot"),props.getProperty("hisname"),props.getProperty("hisusername"),props.getProperty("hispassword"));
                    break;
            }
            log.info("his数据库连接成功!!!");
        } catch (Exception e) {
            log.info("数据库连接失败  请联系管理员!");
            e.printStackTrace();
        }
        return druidProperties.dataSource(dataSource);
    }
 
    private DataSource slaveDataLisSource(DruidProperties druidProperties) {
        DruidDataSource dataSource = DruidDataSourceBuilder.create().build();
        Properties props = new Properties();
        try {
            // 从文件中读取配置信息
            FileInputStream fis = null;
            try {
                fis = new FileInputStream(url);
            } catch (FileNotFoundException e) {
                log.info("数据库连接文件找不到!");
            }
            props.load(fis);
            fis.close();
            String lisenabled = props.getProperty("lisenabled");
            if (lisenabled.equals("false"))
                return null;
            String lisdbtype = props.getProperty("lisdbtype");
            switch (lisdbtype){
                case "sqlserver":
                    dataSource = creatSqlServer(lisenabled, props.getProperty("lisip"),props.getProperty("lisprot"),props.getProperty("lisname"),props.getProperty("lisusername"),props.getProperty("lispassword"));
                    break;
                case "mysql":
                    dataSource = creatMysql(lisenabled, props.getProperty("lisip"),props.getProperty("lisprot"),props.getProperty("lisname"),props.getProperty("lisusername"),props.getProperty("lispassword"));
                    break;
                case "oracle":
                    dataSource = creatOracle(lisenabled, props.getProperty("lisip"),props.getProperty("lisprot"),props.getProperty("lisname"),props.getProperty("lisusername"),props.getProperty("lispassword"));
                    break;
                default:
                    dataSource = creatMysql(lisenabled, props.getProperty("lisip"),props.getProperty("lisprot"),props.getProperty("lisname"),props.getProperty("lisusername"),props.getProperty("lispassword"));
                    break;
            }
            log.info("Lis数据库连接成功!!!");
        } catch (Exception e) {
            log.info("数据库连接失败  请联系管理员!");
            e.printStackTrace();
        }
        return druidProperties.dataSource(dataSource);
    }
 
    private DataSource slaveDataPacsSource(DruidProperties druidProperties) {
        DruidDataSource dataSource = DruidDataSourceBuilder.create().build();
        Properties props = new Properties();
        try {
            // 从文件中读取配置信息
            FileInputStream fis = null;
            try {
                fis = new FileInputStream(url);
            } catch (FileNotFoundException e) {
                log.info("数据库连接文件找不到");
            }
            props.load(fis);
            fis.close();
            // 这里是测试写法,具体的value可以通过请求参数传递过来
            String pacsenabled = props.getProperty("pacsenabled");
            if (pacsenabled.equals("false"))
                return null;
            String pacsdbtype = props.getProperty("pacsdbtype");
            switch (pacsdbtype){
                case "sqlserver":
                    dataSource = creatSqlServer(pacsenabled, props.getProperty("pacsip"),props.getProperty("pacsprot"),props.getProperty("pacsname"),props.getProperty("pacsusername"),props.getProperty("pacspassword"));
                    break;
                case "mysql":
                    dataSource = creatMysql(pacsenabled, props.getProperty("pacsip"),props.getProperty("pacsprot"),props.getProperty("pacsname"),props.getProperty("pacsusername"),props.getProperty("pacspassword"));
                    break;
                case "oracle":
                    dataSource = creatOracle(pacsenabled, props.getProperty("pacsip"),props.getProperty("pacsprot"),props.getProperty("pacsname"),props.getProperty("pacsusername"),props.getProperty("pacspassword"));
                    break;
                default:
                    dataSource = creatOracle(pacsenabled, props.getProperty("pacsip"),props.getProperty("pacsprot"),props.getProperty("pacsname"),props.getProperty("pacsusername"),props.getProperty("pacspassword"));
                    break;
            }
            log.info("数据库连接成功!!!");
        } catch (Exception e) {
            log.info("数据库连接失败  请联系管理员!");
            e.printStackTrace();
        }
        return druidProperties.dataSource(dataSource);
    }
 
    private DataSource slaveDataWsSource(DruidProperties druidProperties) {
        DruidDataSource dataSource = DruidDataSourceBuilder.create().build();
        Properties props = new Properties();
        try {
            // 从文件中读取配置信息
            FileInputStream fis = null;
            try {
                fis = new FileInputStream(url);
            } catch (FileNotFoundException e) {
                log.info("数据库连接文件找不到");
            }
            props.load(fis);
            fis.close();
            // 这里是测试写法,具体的value可以通过请求参数传递过来
            String pacsenabled = props.getProperty("wsenabled");
            if (pacsenabled.equals("false"))
                return null;
            String pacsdbtype = props.getProperty("wsdbtype");
            switch (pacsdbtype){
                case "sqlserver":
                    dataSource = creatSqlServer(pacsenabled, props.getProperty("wsip"),props.getProperty("wsprot"),
                            props.getProperty("wsname"),props.getProperty("wsusername"),props.getProperty("wspassword"));
                    break;
                case "mysql":
                    dataSource = creatMysql(pacsenabled, props.getProperty("wsip"),
                            props.getProperty("wsprot"),props.getProperty("wsname"),props.getProperty("wsusername"),props.getProperty("wspassword"));
                    break;
                case "oracle":
                    dataSource = creatOracle(pacsenabled, props.getProperty("wsip"),
                            props.getProperty("wsprot"),props.getProperty("wsname"),props.getProperty("wsusername"),props.getProperty("wspassword"));
                    break;
                default:
                    dataSource = creatOracle(pacsenabled, props.getProperty("wsip"),props.getProperty("wsprot"),props.getProperty("wsname"),props.getProperty("wsusername")
                            ,props.getProperty("wspassword"));
                    break;
            }
            log.info("数据库连接成功!!!");
        } catch (Exception e) {
            log.info("数据库连接失败  请联系管理员!");
            e.printStackTrace();
        }
        return druidProperties.dataSource(dataSource);
    }
 
 
 
    private DruidDataSource creatSqlServer(String enabled, String ip,String port,String db,String user,String password) throws SQLException {
        DruidDataSource dataSource = DruidDataSourceBuilder.create().build();
        Properties properties = new Properties();
        properties.setProperty("druid.enabled", enabled);
        properties.setProperty("druid.driverClassName","com.microsoft.sqlserver.jdbc.SQLServerDriver");
        properties.setProperty("druid.url","jdbc:sqlserver://"+ ip+":"+ port+";DatabaseName="+ db+
                ";&characterEncoding=utf8");
        properties.setProperty("druid.username", user);
        properties.setProperty("druid.password", password);
        dataSource.restart(properties);
        return dataSource;
    }
 
    private DruidDataSource creatMysql(String enabled, String ip,String port,String db,String user,String password) throws SQLException {
        DruidDataSource dataSource = DruidDataSourceBuilder.create().build();
        Properties properties = new Properties();
        properties.setProperty("druid.enabled",enabled);
        properties.setProperty("druid.url","jdbc:mysql://"+ip+":"+port+"/"+db+"" +
                "?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&serverTimezone=GMT%2B8");
        properties.setProperty("druid.username",user);
        properties.setProperty("druid.password",password);
        dataSource.restart(properties);
        return dataSource;
    }
 
    private DruidDataSource creatOracle(String enabled, String ip,String port,String db,String user,String password) throws SQLException {
        DruidDataSource dataSource = DruidDataSourceBuilder.create().build();
        Properties properties = new Properties();
        properties.setProperty("druid.enabled",enabled);
        properties.setProperty("druid.driverClassName","oracle.jdbc.OracleDriver");
        properties.setProperty("druid.url","jdbc:oracle:thin:@//"+ip+"/"+db);
        properties.setProperty("druid.username",user);
        properties.setProperty("druid.password",password);
        dataSource.restart(properties);
        return dataSource;
    }
 
}