一个streamlit实用例源代码一文学会Stramlit

''' @Author N.J @Info 一文学会Stramlit #安装 Python 3.6.5 pip install streamlit==0.62.0 pip install pandas==1.1.5 启动 E:\500w\streamlit\>C:\Python\Python36-32\Scripts\streamlit run app-streamlit.py 访问 http://127.0.0.1:8501/ ''' import streamlit as st import pandas as pd import numpy as np from PIL import Image side = ["按钮","线图","图片","数据4","数据5","图片音频视频","分屏","表单"] st.sidebar.title("主面板") la = st.sidebar.selectbox("请选择",side) if la == "按钮": st.title("按钮") st.button("点击按钮") if la == "线图": #标题 st.title('this is the app title') #pandas读取数据 df = pd.read_csv('data.txt') #线图 st.line_chart(df) if la == "图片": st.title("图片") #显示图片 image = Image.open('3.png') st.image(image, caption='Sunrise by the mountains',use_column_width=True) st.image(image, caption='Sunrise by the mountains',use_column_width=True) if la == "数据4": st.title("此示例使用 Numpy 生成随机样本") df3 = np.random.randn(10, 20) st.dataframe(df3) if la== "数据5": env=["test1","test2"] st.sidebar.selectbox("请选择环境",env) st.title("这是一个简单的页面") script = ['信息查询','下单'] script_name = st.selectbox("请选择脚本",script) if script_name == "下单": st.text_input("请输入名称") code = st.text_input("请输入编码") submit = st.button("提交") if submit: st.write("提交成功\n") if la == "图片音频视频": st.image("kid.jpg") st.audio("Audio.mp3") st.video("video.mp4") if la == "分屏": left, right = st.beta_columns(2) # 左半边页面展示部分 with left: st.header("查看、更新用户信息") with right: st.header("编辑、更新用户信息") if la=="表单": with st.form("my_form"): st.write("Inside the form") slider_val = st.slider("Form slider") checkbox_val = st.checkbox("Form checkbox") # Every form must have a submit button. submitted = st.form_submit_button("Submit") if submitted: st.write("slider", slider_val, "checkbox", checkbox_val) st.write("Outside the form")