<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[Topics tagged with 参数通信]]></title><description><![CDATA[A list of topics that have been tagged with 参数通信]]></description><link>https://fishros.org.cn/forum/tags/参数通信</link><generator>RSS for Node</generator><lastBuildDate>Wed, 26 Aug 2026 15:38:28 GMT</lastBuildDate><atom:link href="https://fishros.org.cn/forum/tags/参数通信.rss" rel="self" type="application/rss+xml"/><pubDate>Invalid Date</pubDate><ttl>60</ttl><item><title><![CDATA[求助python参数更改问题]]></title><description><![CDATA[<p dir="auto"><a class="mention plugin-mentions-user plugin-mentions-a" href="https://fishros.org.cn/forum/uid/24413">@战场吃保底的鱼鱼</a> 调换顺序之后输出还是没变😢</p>
]]></description><link>https://fishros.org.cn/forum/topic/4814/求助python参数更改问题</link><guid isPermaLink="true">https://fishros.org.cn/forum/topic/4814/求助python参数更改问题</guid><dc:creator><![CDATA[木叶景]]></dc:creator><pubDate>Invalid Date</pubDate></item><item><title><![CDATA[跟着鱼哥学到 修改其他节点的参数 出现了问题]]></title><description><![CDATA[<p dir="auto"><img src="/forum/assets/uploads/files/1774231376037-mmexport1774231143032-resized.jpg" alt="mmexport1774231143032.jpg" class=" img-fluid img-markdown" /> <img src="/forum/assets/uploads/files/1774231384144-mmexport1774231144751-resized.jpg" alt="mmexport1774231144751.jpg" class=" img-fluid img-markdown" /> <img src="/forum/assets/uploads/files/1774231386633-mmexport1774231146116-resized.jpg" alt="mmexport1774231146116.jpg" class=" img-fluid img-markdown" /> <img src="/forum/assets/uploads/files/1774231390631-mmexport1774231147439-resized.jpg" alt="mmexport1774231147439.jpg" class=" img-fluid img-markdown" /> <img src="/forum/assets/uploads/files/1774231405467-mmexport1774231148617-resized.jpg" alt="mmexport1774231148617.jpg" class=" img-fluid img-markdown" /> <img src="/forum/assets/uploads/files/1774231411370-mmexport1774231149882-resized.jpg" alt="mmexport1774231149882.jpg" class=" img-fluid img-markdown" /> <img src="/forum/assets/uploads/files/1774231415380-mmexport1774231151265-resized.jpg" alt="mmexport1774231151265.jpg" class=" img-fluid img-markdown" /><br />
它告诉我未声明参数“k” 可是我客户端不是已经建立了参数对象，名字为k 而且我的服务端里也有关于参数“k”的声明和设置 好晕啊 这个问题卡了我一天了，各位大佬请帮帮我</p>
]]></description><link>https://fishros.org.cn/forum/topic/4744/跟着鱼哥学到-修改其他节点的参数-出现了问题</link><guid isPermaLink="true">https://fishros.org.cn/forum/topic/4744/跟着鱼哥学到-修改其他节点的参数-出现了问题</guid><dc:creator><![CDATA[zzssb1]]></dc:creator><pubDate>Invalid Date</pubDate></item><item><title><![CDATA[ROS2的参数Parameters通信接口和函数参数为啥不一致，一个数组一个是对象]]></title><description><![CDATA[<p dir="auto"><a class="mention plugin-mentions-user plugin-mentions-a" href="https://fishros.org.cn/forum/uid/23526">@xiaolixi123</a> 在 <a href="/forum/post/19409">ROS2的参数Parameters通信接口和函数参数为啥不一致，一个数组一个是对象</a> 中说：</p>
<blockquote>
<p dir="auto">rcl_interfaces/srv/SetParameters的返回参数为啥和parameters_callback的返回参数不一致<br />
rcl_interfaces/srv/SetParameters的返回参数</p>
</blockquote>
<p dir="auto">答案在这里，代码种仅仅是对一个参数调用的，也就是接口是数组，但是代码确实一个个调用的。<br />
10768fa9-bb0f-4bd8-9e29-b45426eb1628-image.png</p>
<p dir="auto">注意reason只有是False的时候才能传给调用端，True的时候reason调用端是空的。<br />
aa2bc02a-ae61-4dc6-8672-3d249781377f-image.png</p>
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