package com.thhy.general.config.mysql;


import org.springframework.jdbc.datasource.lookup.AbstractRoutingDataSource;
public class DynamicDataSource extends AbstractRoutingDataSource {

    private static final ThreadLocal<String> contextHolder = new ThreadLocal<>();


    @Override
    protected Object determineCurrentLookupKey() {
        return contextHolder.get();
    }

    public static void setDataSource(String name) {
        contextHolder.set(name);
    }

    // 在 finally 中及时 remove
    public static void clearDataSource() {
        contextHolder.remove();
    }
}