数据源-JNDI

JNDI上下文环境变量前缀comp(computer): 

java:/comp/env/jdbc  

java:/comp/env/url  

java:/comp/env/mail  

java:/comp/env/jms

//在tomcat的context.xml中找驱动程序并返回一个数据源

Context ctx = new InitialContext();
DataSource ds = (DataSource)ctx.lookup("java:comp/env/jdbc/data");
java.sql.Connection connection = ds.getConnection();

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转载自luckywnj.iteye.com/blog/2254439