Merge pull request #27446 from taosdata/docs/TD-31412

move ref code from 3.0 branch to main

docs/en/14-reference/05-connectors/10-cpp.mdx

@@ -66,18 +66,18 @@ In the above example code, `taos_connect()` establishes a connection to port 603
 
 This section shows sample code for standard access methods to TDengine clusters using the client driver.  
 
-- [Synchronous query example](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/c/demo.c)
+- [Synchronous query example](https://github.com/taosdata/TDengine/tree/main/docs/examples/c/demo.c)
 
-- [Asynchronous query example](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/c/asyncdemo.c)
+- [Asynchronous query example](https://github.com/taosdata/TDengine/tree/main/docs/examples/c/asyncdemo.c)
 
-- [Parameter binding example](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/c/prepare.c)
+- [Parameter binding example](https://github.com/taosdata/TDengine/tree/main/docs/examples/c/prepare.c)
 
-- [Schemaless writing example](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/c/schemaless.c)
+- [Schemaless writing example](https://github.com/taosdata/TDengine/tree/main/docs/examples/c/schemaless.c)
 
-- [Subscription and consumption example](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/c/tmq.c)
+- [Subscription and consumption example](https://github.com/taosdata/TDengine/tree/main/docs/examples/c/tmq.c)
 
 :::info
-More example code and downloads are available at [GitHub](https://github.com/taosdata/TDengine/tree/develop/docs/examples/c).
+More example code and downloads are available at [GitHub](https://github.com/taosdata/TDengine/tree/main/docs/examples/c).
 You can find it in the installation directory under the `examples/c` path. This directory has a makefile and can be compiled under Linux/macOS by executing `make` directly.
 **Hint:** When compiling in an ARM environment, please remove `-msse4.2` from the makefile. This option is only supported on the x64/x86 hardware platforms.
 

docs/en/14-reference/05-connectors/14-java.mdx

@@ -150,7 +150,7 @@ TDengine currently supports timestamp, number, character, Boolean type, and the
 Due to historical reasons, the BINARY type data in TDengine is not truly binary data and is no longer recommended for use. Please use VARBINARY type instead.  
 GEOMETRY type is binary data in little endian byte order, which complies with the WKB specification. For detailed information, please refer to [Data Type](../../taos-sql/data-type/)
 For WKB specifications, please refer to [Well Known Binary (WKB)](https://libgeos.org/specifications/wkb/)
-For Java connector, the jts library can be used to easily create GEOMETRY type objects, serialize them, and write them to TDengine. Here is an example [Geometry example](https://github.com/taosdata/TDengine/blob/3.0/docs/examples/java/src/main/java/com/taos/example/GeometryDemo.java)
+For Java connector, the jts library can be used to easily create GEOMETRY type objects, serialize them, and write them to TDengine. Here is an example [Geometry example](https://github.com/taosdata/TDengine/blob/main/docs/examples/java/src/main/java/com/taos/example/GeometryDemo.java)
 
 
 ## Installation Steps
@@ -671,7 +671,7 @@ The source code of the sample application is under `TDengine/docs/examples/JDBC`
 - springbootdemo: using taos-jdbcdriver in Springboot.
 - consumer-demo: consumer TDengine data example, the consumption rate can be controlled by parameters.
 
-[JDBC example](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/JDBC)
+[JDBC example](https://github.com/taosdata/TDengine/tree/main/docs/examples/JDBC)
 
 ## Frequently Asked Questions
 

docs/en/14-reference/05-connectors/20-go.mdx

@@ -368,7 +368,7 @@ The TDengine Go client library supports subscription functionality with the foll
 
 ### More sample programs
 
-* [sample program](https://github.com/taosdata/driver-go/tree/3.0/examples)
+* [sample program](https://github.com/taosdata/driver-go/tree/main/examples)
 
 
 ## Frequently Asked Questions

docs/en/14-reference/05-connectors/26-rust.mdx

@@ -403,7 +403,7 @@ The following parameters can be configured for the TMQ DSN. Only `group.id` is m
 
 #### Full Sample Code
 
-For more information, see [GitHub sample file](https://github.com/taosdata/TDengine/blob/3.0/docs/examples/rust/nativeexample/examples/subscribe_demo.rs).
+For more information, see [GitHub sample file](https://github.com/taosdata/TDengine/blob/main/docs/examples/rust/nativeexample/examples/subscribe_demo.rs).
 
 ### Use with connection pool
 
@@ -439,7 +439,7 @@ let taos = pool.get()?;
 
 The source code of the sample application is under `TDengine/docs/examples/rust` :
 
-[rust example](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/rust)
+[rust example](https://github.com/taosdata/TDengine/tree/main/docs/examples/rust)
 
 ## Frequently Asked Questions
 

docs/zh/14-reference/05-connector/10-cpp.mdx

@@ -40,18 +40,18 @@ TDengine 客户端驱动的版本号与 TDengine 服务端的版本号是一一
 
 本节展示了使用客户端驱动访问 TDengine 集群的常见访问方式的示例代码。
 
-- 同步查询示例：[同步查询](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/c/demo.c)
+- 同步查询示例：[同步查询](https://github.com/taosdata/TDengine/tree/main/docs/examples/c/demo.c)
 
-- 异步查询示例：[异步查询](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/c/asyncdemo.c)
+- 异步查询示例：[异步查询](https://github.com/taosdata/TDengine/tree/main/docs/examples/c/asyncdemo.c)
 
-- 参数绑定示例：[参数绑定](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/c/prepare.c)
+- 参数绑定示例：[参数绑定](https://github.com/taosdata/TDengine/tree/main/docs/examples/c/prepare.c)
 
-- 无模式写入示例：[无模式写入](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/c/schemaless.c)
+- 无模式写入示例：[无模式写入](https://github.com/taosdata/TDengine/tree/main/docs/examples/c/schemaless.c)
 
-- 订阅和消费示例：[订阅和消费](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/c/tmq.c)
+- 订阅和消费示例：[订阅和消费](https://github.com/taosdata/TDengine/tree/main/docs/examples/c/tmq.c)
 
 :::info
-更多示例代码及下载请见 [GitHub](https://github.com/taosdata/TDengine/tree/develop/docs/examples/c)。
+更多示例代码及下载请见 [GitHub](https://github.com/taosdata/TDengine/tree/main/docs/examples/c)。
 也可以在安装目录下的 `examples/c` 路径下找到。 该目录下有 makefile，在 Linux/macOS 环境下，直接执行 make 就可以编译得到执行文件。
 **提示：**在 ARM 环境下编译时，请将 makefile 中的 `-msse4.2` 去掉，这个选项只有在 x64/x86 硬件平台上才能支持。
 

docs/zh/14-reference/05-connector/14-java.mdx

@@ -154,7 +154,7 @@ WKB规范请参考[Well-Known Binary (WKB)](https://libgeos.org/specifications/w
 - springbootdemo: Springboot 中使用 taos-jdbcdriver。
 - consumer-demo：Consumer 消费 TDengine 数据示例，可通过参数控制消费速度。
 
-请参考：[JDBC example](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/JDBC)
+请参考：[JDBC example](https://github.com/taosdata/TDengine/tree/main/docs/examples/JDBC)
 
 ## 常见问题
 

docs/zh/14-reference/05-connector/20-go.mdx

@@ -66,6 +66,9 @@ TDengine 其他功能模块的报错，请参考 [错误码](../../../reference/
 
 **注意**：JSON 类型仅在 tag 中支持。
 
+## 示例程序汇总
+示例程序源码请参考：[示例程序](https://github.com/taosdata/driver-go/tree/main/examples)
+
 ## 常见问题
 
 1. database/sql 中 stmt（参数绑定）相关接口崩溃
@@ -894,5 +897,4 @@ type TopicPartition struct {
 ## 附录
 
 * [driver-go 文档](https://pkg.go.dev/github.com/taosdata/driver-go/v3)。
-* [示例程序](https://github.com/taosdata/driver-go/tree/3.0/examples)。
 * [视频教程](https://www.taosdata.com/blog/2020/11/11/1951.html)。

docs/zh/14-reference/05-connector/26-rust.mdx

@@ -85,7 +85,7 @@ TDengine 目前支持时间戳、数字、字符、布尔类型，与 Rust 对
 
 ## 示例程序汇总
 
-示例程序源码请参考：[rust example](https://github.com/taosdata/TDengine/tree/3.0/docs/examples/rust)
+示例程序源码请参考：[rust example](https://github.com/taosdata/TDengine/tree/main/docs/examples/rust)
 
 ## 常见问题