add flink commands

README.md

@@ -7,3 +7,8 @@
 - [Data Sink 介绍](https://www.zeekling.cn/articles/2020/05/04/1588666906660.html)
 - [自定义Data Sink](https://www.zeekling.cn/articles/2020/05/05/1588680092763.html)
 - [Flink 写入数据到 Kafka](https://www.zeekling.cn/articles/2020/05/15/1589474545288.html)
+
+
+## flink 命令
+
+- [flink命令详解](command/flink_command.md)

command/flink_command.md

@@ -0,0 +1,19 @@
+
+## 简介
+
+记录flink经常使用命令。
+
+## 样例运行
+### batch样例
+#### 运行WordCount样例
+
+```sh
+cd /home/zeek/software/flink-1.12.5/examples/batch
+/home/zeek/software/flink-1.12.5/bin/flink run WordCount.jar --input /tmp/word.txt --output /tmp/out.txt
+```
+### sream样例
+#### 运行stream WordCount样例
+```sh
+cd /home/zeek/software/flink-1.12.5/examples/streaming
+/home/zeek/software/flink-1.12.5/bin/flink run WordCount.jar --input /tmp/word.txt --output /tmp/out.txt
+```