此项目为微信对话开放平台开源项目，用于微信开发者进行插件快速接入、 组件复写功能开发时的参考Demo。微信开发者可以参考项目中的代码来开发应用，也可以直接使用项目中的代码到自己的App中。
开发者可以自由使用并传播本代码，但需要保留原作者信息。
https://mp.weixin.qq.com/wxopen/plugindevdoc?appid=wx8c631f7e9f2465e1
微信对话开放平台小程序插件火车票查询示例是一个智能对话系统中槽位全可点的demo，通过槽位全可点，提升对话的效率和流畅度，让产品有更好的用户体验，可以根据业务需要定制化。
请在
project.config.json中配置自己小程序的appid或测试ID 此示例代码仅做为接入微信对话开放平台小程序插件的示例供开发者参考
demo中，参考https://github.com/WeChatAI/openai-plugin-overwrite 复写小程序插件的customTextMessage/customQueryMessage/customMiniprogramMessage组件
{
"usingComponents": {
"chat": "plugin://myPlugin/chat",
"customTextMessage": "../components/customTextMessage/customTextMessage",
"customQueryMessage": "../components/customQueryMessage/customQueryMessage",
"customMiniprogramMessage": "../components/customMiniprogramMessage/customMiniprogramMessage"
}
}
msg对象上的res.slots_info数组中的第一个值是当前要追问的槽位内容，可以根据自己的业务需求进行逻辑处理。 在火车票的示例中，我们通过判断msg.res.slots_info[0]当中slot_name来判断槽位类型，当slot_name为'call_back'且slot_value通过冒号分隔后的第一个数为'SlotAsk'表示槽位追问，然后判断msg.res.slots_info[1]中的值,当slot_name为'stoask'且slot_value为'出发地'时，我们在页面上触发出发地选择逻辑，当slot_name为'stoask'且slot_value为'目的地'时，我们在页面上触发目的地选择逻辑，当slot_name为'data_list_candidates'时，我们触发车次选择逻辑。
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