public class Producer {
public static void main(String[] args) {
try {
MQProducer producer = new DefaultMQProducer("please_rename_unique_group_name");
producer.start();
String[] tags = new String[] { "TagA", "TagB", "TagC", "TagD", "TagE" };
for (int i = 0; i < 100; i++) {
// 订单ID相同的消息要有序