[GitHub] [incubator-linkis-website] casionone commented on a diff in pull request #489: 多数据源文档说明完善

[GitBox <gi...@apache.org>]

casionone commented on code in PR #489:
URL: https://github.com/apache/incubator-linkis-website/pull/489#discussion_r951481637


##########
i18n/zh-CN/docusaurus-plugin-content-docs/current/engine-usage/jdbc.md:
##########
@@ -132,6 +132,46 @@ Linkis 1.2.0后提供了数据源管理功能，我们可以在控制台管理
 
 图3-4 数据源连接测试
 
+数据源添加完成之后，就可以使用JDBC引擎的多数据源切换功能，有两种方式：
+1、通过接口参数指定数据源名称参数，如下图：
+![](/Images-zh/EngineUsage/muti-data-source.png)
+
+参数示例：
+```json
+{
+    "executionContent": {"code": "show databases", "runType":  "jdbc"},
+    "params": {"variable": {}, "configuration": {"startup":{}, 
+    "runtime": 
+    	{ 
+    		"dataSources": {"wds.linkis.engine.runtime.datasource": "test_mysql"
+    	}
+    }}},
+    "source":  {"scriptPath": ""},
+    "labels": {
+        "engineType": "jdbc-4",
+        "userCreator": "linkis-IDE"
+    }
+}
+```
+
+参数：wds.linkis.engine.runtime.datasource为固定名称的配置，不要随意修改名称定义
+
+2、通过DSS的Scripts代码提交入口下拉筛选需要提交的数据源，如下图：
+![](/Images-zh/EngineUsage/muti-data-source-usage.png)

Review Comment:
   Added description of supported versions



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