pyqgis-load-csv-with-chinese-characters.py

import glob
import os
from urllib.parse import quote


# Define path to  directory of your csv files
path_to_csv = "your_path"
x_field = '經度' # longitude
y_field = '緯度' # latitude

# Set current directory to path of csv files
os.chdir(path_to_csv)

for fname in glob.glob("*.csv"):
    uri = "file:///" + path_to_csv + quote(fname) + "?delimiter=%s&crs=epsg:4326&xField=%s&yField=%s" % (",", quote(x_field), quote(y_field))
    name = fname.replace('.csv', '')
    lyr = QgsVectorLayer(uri, name, 'delimitedtext')
    QgsProject.instance().addMapLayer(lyr)

山麻雀.csv