导入模块
import numpy as np
import pandas as pd
import plotly.graph_objects as go
import plotly.express as px获取数据
df1 pd.read_excel(r"./data/中国汽车总体销量.xlsx")
print(df1.head(5))df1.info()df1[年份] df1[时间].dt.year
df1[月份] df1[时…
json参数
post请求格式
RestController
public class HelloController { //json参数 post 请求RequestMapping("/jsonParam")public String jsonParam(RequestBody User user){System.out.println(user);return "OK";}
} postman 接口测试工具…