Update app.py

app.py

@@ -2,6 +2,21 @@ import gradio as gr
 import pandas as pd
 from datatable import (dt, f,fread, by, ifelse, update, sort,count, min, max, mean, sum, rowsum,rowmean,rowcount,shift,rbind,cbind,union)
 import requests
+import matplotlib
+matplotlib.use('Agg')
+import matplotlib.pyplot as plt
+plt.rcParams["font.sans-serif"]=["SimHei"]
+def fx_tb():
+    fig=plt.figure()
+    ax = fig.add_axes([0,0,1,1])
+    x =["一月", "二月", "三月", "四月"]
+    y = [12, 22, 6, 18]
+    ax.bar(x,y)
+    ax.set_xlabel('月份')
+    ax.set_ylabel('销量')
+    ax.set_title('A公司销售情况表')
+    ax.set_yticks([0,4,8,12,16,20])
+    return fig
 
 '''
 import hashlib
@@ -152,4 +167,9 @@ py_exe=d_t.to_pandas()'''
             gr.Markdown("# 画册展示_khc")
             S='<iframe style="height: 600px; width: 100%;" src="https://app.kuhuace.com/player/index.html?id=60" allowfullscreen="allowfullscreen"><iframe>'
             gr.HTML(S)
+
+        with gr.TabItem("图表"):
+            gr.Markdown("# 画图测试")
+            tb_button=gr.Button("显示")
+            tb_button.click(fx_tb,[],gr.Plot())
 demo.launch()