[ISSUE #1030]🚀Add order message produce example

rocketmq-client/Cargo.toml

@@ -73,4 +73,8 @@ path = "examples/quickstart/consumer.rs"
 
 [[example]]
 name = "broadcast-consumer"
-path = "examples/broadcast/push_consumer.rs"
+path = "examples/broadcast/push_consumer.rs"
+
+[[example]]
+name = "ordermessage-producer"
+path = "examples/ordermessage/ordermessage_producer.rs"

rocketmq-client/examples/ordermessage/ordermessage_producer.rs

@@ -0,0 +1,69 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+use rocketmq_client::producer::default_mq_producer::DefaultMQProducer;
+use rocketmq_client::producer::mq_producer::MQProducer;
+use rocketmq_client::Result;
+use rocketmq_common::common::message::message_single::Message;
+use rocketmq_rust::rocketmq;
+
+pub const MESSAGE_COUNT: usize = 1;
+pub const PRODUCER_GROUP: &str = "please_rename_unique_group_name";
+pub const DEFAULT_NAMESRVADDR: &str = "127.0.0.1:9876";
+pub const TOPIC: &str = "TopicTest";
+
+#[rocketmq::main]
+pub async fn main() -> Result<()> {
+    //init logger
+    rocketmq_common::log::init_logger();
+
+    // create a producer builder with default configuration
+    let builder = DefaultMQProducer::builder();
+
+    let mut producer = builder
+        .producer_group(PRODUCER_GROUP.to_string())
+        .name_server_addr(DEFAULT_NAMESRVADDR.to_string())
+        .build();
+
+    producer.start().await?;
+
+    let tags = ["TagA", "TagB", "TagC", "TagD", "TagE"];
+
+    for i in 0..100 {
+        let message = Message::with_keys(
+            TOPIC,
+            tags[i % tags.len()],
+            format!("KEY{}", i),
+            format!("Hello RocketMQ {}", i).as_bytes(),
+        );
+        let order_id = i % 10;
+        let send_result = producer
+            .send_with_selector(
+                message,
+                |mqs, _msg, arg| {
+                    let id = arg.downcast_ref::<usize>().unwrap();
+                    let index = id % mqs.len();
+                    Some(mqs[index].clone())
+                },
+                order_id,
+            )
+            .await?;
+        println!("send result: {}", send_result);
+    }
+    producer.shutdown().await;
+
+    Ok(())
+}