Python

Name Python
Language Python
Id 58
Ability 90
Sort 0
Created 1/21/26, 2:17 PM
Modified 1/21/26, 2:17 PM
Is Show No

Related Projects

Id Name Pic Url Introduction Created Modified Actions
4 AI金融顾问 uploads/projects/2026/03/177257465871862600.png https://financial.timeless.wang 金融顾问系统是一个企业级智能金融问答与决策平台 ，深度融合了 RAG (检索增强生成) 技术与 MCP (模型上下文协议) 扩展能力。 系统以海量研报与权威数据 为知识基座，利用大语言模型 (LLM) 进行深度语义理解与逻辑推理，打破传统 AI 的信息茧房。 3/3/26, 9:50 PM 3/4/26, 6:09 PM View Edit
Delete

Related Notes

Id Title Content Published Framework Id User Id Created Modified Actions
30 Python 连接Ollama 并实现最基础的聊天功能 <p>1、安装python对ollama的支持</p> <pre class=""><code class="hljs language-undefined">pip install ollama</code></pre> <p>&nbsp;</p> <p>2、连接ollama</p> <pre class=""><code class="language-python hljs">import ollama client = ollama.Client(host='http://localhost:11434')</code></pre> <p>&nbsp;</p> <p>3、列出可用模型</p> <pre class=""><code class="language-python hljs">print(client.list())</code></pre> <p>&nbsp;</p> <p>4、展示模型的详细信息</p> <pre class=""><code class="language-python hljs">print(client.show('deepseek-r1:14b'))</code></pre> <p>&nbsp;</p> <p>5、列出正在运行的模型</p> <pre class=""><code class="language-python hljs">print(client.ps())</code></pre> <p>&nbsp;</p> <p>6、和模型对话</p> <pre class=""><code class="language-python hljs">while True: prompt = input('&gt;&gt;&gt; ') response = client.chat( model='deepseek-r1:14b', messages=[{"role":"user","content":prompt}] ) print(response['message']['content'])</code></pre> <p>&nbsp;</p> 1 58 1 1/21/26, 2:02 PM 1/21/26, 2:22 PM View Edit
Delete
31 Python 调用streamlit <p>1、添加python对streamlit的支持</p> <pre class=""><code class="language-bash hljs">pip install streamlit</code></pre> <p>&nbsp;</p> <p>&nbsp;</p> <p>2、通过命令行启动streamlit，首次需要输入自己邮箱</p> <pre class=""><code class="language-bash hljs">streamlit hello</code></pre> <p>&nbsp;</p> <p>3、通过python来调用streamlit，创建一个python文件，名字不能用streamlit，会冲突</p> <pre class=""><code class="language-python hljs">import time import streamlit as st # 显示标题 st.title("测试标题") # write方法，可以在网页中显示你输入的内容 st.write("Hello Timeless") # 分隔符 st.divider() # 聊天输入框 name = st.chat_input("&gt;&gt;&gt;请输入姓名：") if name: st.write("你好"+name) # 等待提示框 with st.spinner("思考中"): time.sleep(5) st.write("思考完成") # 消息容器 # 角色支持：user、assistant、ai、human st.chat_message('user').markdown("你是谁") st.chat_message('assistant').markdown("我是Timeless") </code></pre> <p>&nbsp;</p> <p>4、不要通过pycharm直接执行这个文件，而是要通过命令行执行</p> <pre class=""><code class="language-bash hljs">streamlit run streamlit_test.py</code></pre> <p>&nbsp;</p> <p>5、执行第四步后，会自动打开网页</p> <pre class=""><code class="hljs language-bash">http://localhost:8501/mapping_demo</code></pre> <p>&nbsp;</p> 1 58 1 1/21/26, 4:27 PM 1/21/26, 4:39 PM View Edit
Delete
32 Python 利用 streamlit 连接 ollama 实现简单的聊天功能 <p>1、创建Python文件，如：chat_demo.py</p> <pre class=""><code class="language-python hljs">import streamlit as st import ollama # 连接ollama try: client = ollama.Client(host='http://localhost:11434') except Exception as e: st.error(f"连接 Ollama 服务失败，请确保 Ollama 已运行在 11434 端口。错误: {e}") st.stop() # 2. 初始化会话状态，用于存储完整的对话历史 if 'message' not in st.session_state: st.session_state['message'] = [] # 添加标题 st.title("Timeless聊天机器人") # 分割线 st.divider() # 提示 prompt = st.chat_input("请输入") if prompt: # 将用户提问添加到历史记录中 st.session_state['message'].append({"role": "user", "content": prompt}) # 历史提问保留 for message in st.session_state['message']: st.chat_message(message['role']).markdown(message['content']) with st.spinner("思考中"): response = client.chat( model="deepseek-r1:14b", messages=[{"role": "user", "content": prompt}] ) # 历史回答保留 st.session_state['message'].append({"role": "assistant", "content": response['message']['content']}) # 在页面中渲染AI回答 st.chat_message("assistant").markdown(response['message']['content']) </code></pre> <p>&nbsp;</p> <p>2、运行</p> <pre class=""><code class="hljs language-undefined">streamlitchat_demo.py</code></pre> 1 58 1 1/22/26, 10:34 AM 1/22/26, 10:34 AM View Edit
Delete
33 Python 添加langchian的支持 <p>1、安装langchain核心包:</p> <pre class=""><code class="language-bash hljs">pip install langchain</code></pre> <p>&nbsp;</p> <p>2、安装langchain_community社区支持包:</p> <pre class=""><code class="hljs language-undefined">pip install langchain-community</code></pre> <p>&nbsp;</p> <p>3、安装langchain-ollama对ollama的支持包</p> <pre class=""><code class="hljs language-undefined">pip install langchain-ollama</code></pre> <p>&nbsp;</p> <p>4、安装dashscope阿里云通义千问的Python SDK</p> <pre class=""><code class="hljs language-undefined">pip install dashscope</code></pre> <p>&nbsp;</p> <p>5、安装chromadb轻量向量数据库</p> <pre class=""><code class="hljs language-undefined">pip install chromadb</code></pre> <p>&nbsp;</p> 1 58 1 1/22/26, 1:12 PM 2/17/26, 8:34 PM View Edit
Delete
73 Streamlit基本API <h4 style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; white-space-collapse: preserve; break-after: avoid-page; break-inside: avoid; orphans: 4; font-size: 1.25em; margin-top: 1rem; margin-bottom: 1rem; position: relative; line-height: 1.4; cursor: text; font-family: 'Open Sans', 'Clear Sans', 'Helvetica Neue', Helvetica, Arial, 'Segoe UI Emoji', sans-serif;"><span class="md-plain md-expand" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000;">1、组件使用方法</span></h4> <h5 class="md-end-block md-heading" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; white-space-collapse: preserve; break-after: avoid-page; break-inside: avoid; orphans: 4; font-size: 1em; margin-top: 1rem; margin-bottom: 1rem; position: relative; line-height: 1.4; cursor: text; font-family: 'Open Sans', 'Clear Sans', 'Helvetica Neue', Helvetica, Arial, 'Segoe UI Emoji', sans-serif;"><span class="md-plain" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000;">1.1 运行代码</span></h5> <pre class=""><code class="hljs language-python"># 创建第一个应用（app.py） import streamlit as st st.title("我的第一个Streamlit应用") st.write("你好，世界!") # 在终端运行 streamlit run app.py streamlit hello</code></pre> <p>&nbsp;</p> <h5 class="md-end-block md-heading" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; white-space-collapse: preserve; break-after: avoid-page; break-inside: avoid; orphans: 4; font-size: 1em; margin-top: 1rem; margin-bottom: 1rem; position: relative; line-height: 1.4; cursor: text; font-family: 'Open Sans', 'Clear Sans', 'Helvetica Neue', Helvetica, Arial, 'Segoe UI Emoji', sans-serif;"><span class="md-plain" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000;">1.2 文本组件</span></h5> <pre class=""><code class="language-python hljs">st.title("主标题") # 主标题 st.header("章节标题") # 大标题 st.subheader("子标题") # 子标题 st.text("普通文本") # 普通文本 st.write("万能文本/变量") # 显示任何对象 st.markdown("**Markdown**支持") # Markdown语法</code></pre> <p>&nbsp;</p> <h5 class="md-end-block md-heading" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; white-space-collapse: preserve; break-after: avoid-page; break-inside: avoid; orphans: 4; font-size: 1em; margin-top: 1rem; margin-bottom: 1rem; position: relative; line-height: 1.4; cursor: text; font-family: 'Open Sans', 'Clear Sans', 'Helvetica Neue', Helvetica, Arial, 'Segoe UI Emoji', sans-serif;"><span class="md-plain" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000;">1.3 数据展示组件</span></h5> <pre class=""><code class="language-python hljs">st.dataframe(pd.DataFrame()) # 交互式表格 st.table([1,2,3]) # 静态表格 st.json({"key": "value"}) # 显示JSON格式</code></pre> <p>&nbsp;</p> <h5 class="md-end-block md-heading md-focus" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; white-space-collapse: preserve; break-after: avoid-page; break-inside: avoid; orphans: 4; font-size: 1em; margin-top: 1rem; margin-bottom: 1rem; position: relative; line-height: 1.4; cursor: text; font-family: 'Open Sans', 'Clear Sans', 'Helvetica Neue', Helvetica, Arial, 'Segoe UI Emoji', sans-serif;"><span class="md-plain md-expand" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000;">1.4 输入控件</span></h5> <pre class=""><code class="language-python hljs">text = st.text_input("输入文本") # 文本输入 number = st.number_input("输入数字") # 数字输入 date = st.date_input("选择日期") # 日期选择 time = st.time_input("选择时间") # 时间选择 is_checked = st.checkbox("复选框") # 复选框 selected = st.radio("单选按钮", ['1', '2', '3', '4']) # 单选按钮 multi = st.multiselect("多选", ['1', '2', '3', '4']) # 多选下拉 slider = st.slider("滑块", 0, 100) # 滑块 st.button("确认") # 按钮 st.file_uploader("上传文件") # 文件上传</code></pre> <p>&nbsp;</p> <h4 class="md-end-block md-heading" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; white-space-collapse: preserve; break-after: avoid-page; break-inside: avoid; orphans: 4; font-size: 1.25em; margin-top: 1rem; margin-bottom: 1rem; position: relative; line-height: 1.4; cursor: text; font-family: 'Open Sans', 'Clear Sans', 'Helvetica Neue', Helvetica, Arial, 'Segoe UI Emoji', sans-serif;"><span class="md-plain" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000;">2、布局使用</span></h4> <h5 class="md-end-block md-heading md-focus" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; white-space-collapse: preserve; break-after: avoid-page; break-inside: avoid; orphans: 4; font-size: 1em; margin-top: 1rem; margin-bottom: 1rem; position: relative; line-height: 1.4; cursor: text; font-family: 'Open Sans', 'Clear Sans', 'Helvetica Neue', Helvetica, Arial, 'Segoe UI Emoji', sans-serif;"><span class="md-plain" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000;">2.1 侧边栏</span></h5> <pre class=""><code class="language-python hljs"># 所有输入组件添加sidebar前缀即可放入侧边栏 st.sidebar.selectbox("选项", ['1', '2', '3', '4'])</code></pre> <p>&nbsp;</p> <h5 class="md-end-block md-heading" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; white-space-collapse: preserve; break-after: avoid-page; break-inside: avoid; orphans: 4; font-size: 1em; margin-top: 1rem; margin-bottom: 1rem; position: relative; line-height: 1.4; cursor: text; font-family: 'Open Sans', 'Clear Sans', 'Helvetica Neue', Helvetica, Arial, 'Segoe UI Emoji', sans-serif;"><span class="md-plain" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000;">2.2 分列布局</span></h5> <pre class=""><code class="language-python hljs">col1, col2 = st.columns(2) # 创建两列 with col1: st.write("第一列内容") with col2: st.write("第二列内容")</code></pre> <p>&nbsp;</p> <h5 class="md-end-block md-heading md-focus" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; white-space-collapse: preserve; break-after: avoid-page; break-inside: avoid; orphans: 4; font-size: 1em; margin-top: 1rem; margin-bottom: 1rem; position: relative; line-height: 1.4; cursor: text; font-family: 'Open Sans', 'Clear Sans', 'Helvetica Neue', Helvetica, Arial, 'Segoe UI Emoji', sans-serif;"><span class="md-plain md-expand" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000;">2.3 标签页</span></h5> <pre class=""><code class="language-python hljs">tab1, tab2 = st.tabs(["主页", "分析"]) with tab1: st.write("主页内容") with tab2: st.write("分析内容")</code></pre> <p>&nbsp;</p> <h5 class="md-end-block md-heading" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; white-space-collapse: preserve; break-after: avoid-page; break-inside: avoid; orphans: 4; font-size: 1em; margin-top: 1rem; margin-bottom: 1rem; position: relative; line-height: 1.4; cursor: text; font-family: 'Open Sans', 'Clear Sans', 'Helvetica Neue', Helvetica, Arial, 'Segoe UI Emoji', sans-serif;"><span class="md-plain" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000;">2.4 容器</span></h5> <pre class=""><code class="language-python hljs">container = st.container() container.write("容器内的内容")</code></pre> <p>&nbsp;</p> <h4 class="md-end-block md-heading" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000; white-space-collapse: preserve; break-after: avoid-page; break-inside: avoid; orphans: 4; font-size: 1.25em; margin-top: 1rem; margin-bottom: 1rem; position: relative; line-height: 1.4; cursor: text; font-family: 'Open Sans', 'Clear Sans', 'Helvetica Neue', Helvetica, Arial, 'Segoe UI Emoji', sans-serif;"><span class="md-plain" style="box-sizing: border-box; --tw-border-spacing-x: 0; --tw-border-spacing-y: 0; --tw-translate-x: 0; --tw-translate-y: 0; --tw-rotate: 0; --tw-skew-x: 0; --tw-skew-y: 0; --tw-scale-x: 1; --tw-scale-y: 1; --tw-scroll-snap-strictness: proximity; --tw-ring-offset-width: 0px; --tw-ring-offset-color: #fff; --tw-ring-color: rgb(59 130 246 / .5); --tw-ring-offset-shadow: 0 0 #0000; --tw-ring-shadow: 0 0 #0000; --tw-shadow: 0 0 #0000; --tw-shadow-colored: 0 0 #0000;">3、 项目页面</span></h4> <pre class=""><code class="language-python hljs">import streamlit as st # 页面配置 st.set_page_config( page_title="智能文档检索助手", page_icon="🤖", layout="wide", initial_sidebar_state="collapsed" ) # 自定义CSS样式 st.markdown(""" &lt;style&gt; /* 聊天容器 */ .chat-container { background: white; border-radius: 12px; box-shadow: 0 8px 32px rgba(0,0,0,0.1); margin: 20px auto; max-width: 800px; display: flex; flex-direction: column; overflow: hidden; } /* 头部样式 */ .chat-header { background: linear-gradient(90deg, #667eea 0%, #764ba2 100%); color: white; padding: 20px; text-align: center; border-radius: 12px 12px 0 0; } .chat-title { font-size: 24px; font-weight: 600; margin: 0; display: flex; align-items: center; justify-content: center; gap: 10px; } .chat-subtitle { font-size: 14px; opacity: 0.9; margin-top: 5px; } /* 聊天消息区域 */ .chat-messages { flex: 1; overflow-y: auto; padding: 20px; background: #f8f9fa; } /* 消息样式 */ .message { margin-bottom: 16px; display: flex; align-items: flex-start; gap: 12px; } .message.user { flex-direction: row-reverse; } .message-avatar { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; } .user-avatar { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; } .assistant-avatar { background: linear-gradient(135deg, #84fab0 0%, #8fd3f4 100%); color: white; } .message-content { max-width: 70%; padding: 12px 16px; border-radius: 18px; font-size: 14px; line-height: 1.4; } .user-message { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); color: white; border-bottom-right-radius: 4px; } .assistant-message { background: white; color: #333; border: 1px solid #e1e5e9; border-bottom-left-radius: 4px; box-shadow: 0 1px 2px rgba(0,0,0,0.1); } /* 流式输出动画 */ .streaming-cursor::after { content: '▊'; animation: blink 1s infinite; color: #667eea; } @keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } } /* 文档卡片样式 */ .doc-card { background: 000000; border: 1px solid #e1e5e9; border-radius: 8px; padding: 12px; margin: 8px 0; } .doc-card:hover { border-color: #667eea; box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1); } /* 状态指示器 */ .status-indicator { display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: 20px; font-size: 12px; font-weight: 500; } .status-rag { background: #e3f2fd; color: #1976d2; } .status-normal { background: #f3e5f5; color: #7b1fa2; } /* 隐藏Streamlit默认元素 */ #MainMenu {visibility: hidden;} footer {visibility: hidden;} header {visibility: hidden;} /* 自定义按钮样式 */ .stButton &gt; button { background: linear-gradient(90deg, #667eea 0%, #764ba2 100%); color: white; border: none; border-radius: 8px; padding: 8px 16px; font-weight: 500; transition: all 0.2s; } .stButton &gt; button:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3); } /* 响应式设计 */ @media (max-width: 768px) { .chat-container { margin: 10px; height: 85vh; } .message-content { max-width: 85%; } } &lt;/style&gt; """, unsafe_allow_html=True) def display_message(role, content, docs=None): """显示静态消息""" message_class = "message user" if role == "user" else "message" avatar_class = "user-avatar" if role == "user" else "assistant-avatar" content_class = "user-message" if role == "user" else "assistant-message" avatar_icon = "👤" if role == "user" else "🤖" st.markdown(f""" &lt;div class="{message_class}"&gt; &lt;div class="message-avatar {avatar_class}"&gt; {avatar_icon} &lt;/div&gt; &lt;div class="message-content {content_class}"&gt; {content} &lt;/div&gt; &lt;/div&gt; """, unsafe_allow_html=True) def main(): # 侧边栏 with st.sidebar: st.markdown("### 📁 文档管理") # 文档上传 uploaded_files = st.file_uploader( "上传知识库文档", type=['pdf', 'docx', 'txt'], accept_multiple_files=True, help="支持 PDF、Word 和txt文件" ) if uploaded_files: for uploaded_file in uploaded_files: if st.button(f"📤 处理 {uploaded_file.name}", key=f"process_{uploaded_file.name}"): st.rerun() st.markdown("---") # 已有文档 st.markdown("### 📚 知识库") documents = [{'filename': '1.txt', 'id': 1, 'created_at': {'strftime': '1:20'}, 'chunk_count': 10}, {'filename': '2.txt', 'chunk_count': 10, 'id': 2, 'created_at': {'strftime': '1:20'}}] if documents: doc_options = {f"{doc['filename']}": doc['id'] for doc in documents} selected_docs = st.multiselect( "选择知识源", options=list(doc_options.keys()), help="选择后将基于文档内容回答问题" ) selected_doc_ids = [doc_options[doc] for doc in selected_docs] # 显示文档列表 for doc in documents: st.markdown(f""" &lt;div class="doc-card"&gt; &lt;strong&gt;📄 {doc['filename']}&lt;/strong&gt;&lt;br&gt; &lt;small&gt;📅 {doc['created_at']['strftime']}&lt;/small&gt;&lt;br&gt; &lt;small&gt;📊 {doc['chunk_count']} 个文档块&lt;/small&gt; &lt;/div&gt; """, unsafe_allow_html=True) else: st.info("暂无文档，请先上传") selected_doc_ids = [] total_docs = len(documents) if documents else 0 st.metric("📊 文档数", total_docs) if st.button("🗑️ 清空对话"): st.rerun() # 主聊天界面 st.markdown(""" &lt;div class="chat-container"&gt; &lt;div class="chat-header"&gt; &lt;div class="chat-title"&gt; 🤖 智能文档检索助手 &lt;/div&gt; &lt;div class="chat-subtitle"&gt; 基于知识库的智能问答系统 &lt;/div&gt; &lt;/div&gt; &lt;/div&gt; """, unsafe_allow_html=True) # 状态显示 col1, col2 = st.columns([2, 1]) with col1: if selected_doc_ids: st.markdown(f""" &lt;div class="status-indicator status-rag"&gt; 🔍 知识库模式 ({len(selected_doc_ids)} 个文档) &lt;/div&gt; """, unsafe_allow_html=True) else: st.markdown(""" &lt;div class="status-indicator status-normal"&gt; 💭 普通对话模式 &lt;/div&gt; """, unsafe_allow_html=True) # 聊天消息显示区域 chat_container = st.container() with chat_container: # 欢迎消息 st.markdown(""" &lt;div class="message"&gt; &lt;div class="message-avatar assistant-avatar"&gt;🤖&lt;/div&gt; &lt;div class="message-content assistant-message"&gt; 👋 你好！我是你的AI智能助手。&lt;br&gt;&lt;br&gt; 💡 &lt;strong&gt;我能做什么：&lt;/strong&gt;&lt;br&gt; &bull; 📚 基于你上传的文档回答问题&lt;br&gt; &bull; 💬 进行日常对话交流&lt;br&gt; &bull; 🔍 提供准确的信息检索&lt;br&gt;&lt;br&gt; 请上传文档或直接开始对话吧！ &lt;/div&gt; &lt;/div&gt; """, unsafe_allow_html=True) # 用户输入 if prompt := st.chat_input("💬 输入你的问题..."): # 显示用户消息 display_message("user", prompt) print(prompt) if __name__ == "__main__": main()</code></pre> 1 58 1 4/1/26, 4:58 PM 4/1/26, 5:03 PM View Edit
Delete
74 Python安装UV <p>1、更新Python的pip库</p> <pre class=""><code class="hljs language-css">pip install --upgrade pip</code></pre> <p>&nbsp;</p> <p>2、安装UV</p> <pre class=""><code class="hljs language-undefined">pip install uv </code></pre> <p>&nbsp;</p> <p>3、通过uv安装程序</p> <pre class=""><code class="language-perl hljs">为了不让他卸载我本地已经安装好的东西 比如cuda版本的torch，需要加 --no-deps # 虚拟环境安装程序如MinerU uv pip install -U "mineru[all]" --no-deps # 系统环境安装程序 uv pip install -U "mineru[all]" --system --no-deps </code></pre> 1 58 1 4/2/26, 6:09 PM 4/2/26, 6:15 PM View Edit
Delete
75 Python格式化输出 <p>1、直接用pprint</p> <pre class=""><code class="language-python hljs">from pprint import pprint as pr pr(dic)</code></pre> <p>&nbsp;</p> <p>2、用Black</p> <pre class=""><code class="language-php hljs">import black def pretty(obj) -&gt; str: try: # 生成对象源码字符串 code = repr(obj) # 格式化（真正 Python 标准风格） formatted = black.format_str( code, mode=black.FileMode( line_length=50, ) ) print(formatted) except Exception: # 降级输出 print(repr(obj)) pretty(list(parent_graph.get_state_history(config)))</code></pre> 1 58 1 5/3/26, 12:35 PM 5/3/26, 12:50 PM View Edit
Delete