查询结果数:sql查询结果数[朗读]

判断连接成功的话直接用try..catch就可已了stringmysqlstr=＂database=test;datasource=127.0.0.1;userid=root;password=root;pooling=false;charset=utf8;port=3306＂;mysqlconnectionmysql=newmysqlconnection(mysqlstr);try{mysql.open();console.writeline(＂连接成功!＂);}catch(exception){console.writeline(＂连接失败!＂);}