# -*- coding: UTF-8 -*-
import MySQLdb
import numpy as np
# 打开数据库连接
db = MySQLdb.connect(host="localhost", user="root", passwd="wnw123", db="wnw", charset='utf8')
# 使用cursor()方法获取操作游标--获取字典
cursor = db.cursor(MySQLdb.cursors.DictCursor)
# SQL 查询语句
sql = "SELECT * FROM wnw_test"
try:
    # 执行SQL语句
    cursor.execute(sql)
    # 获取所有记录列表--返回元组
    results = cursor.fetchall()
    print(results)
    #转换成列表
    # rows = np.array(results)
    # print(rows)
    # print("学号 姓名 年龄")
    # for it in results:
        # for i in range(len(it)):
            # print(it[i])
            # print('  '),
        # print('\n')
except:
    print("Error: unable to fecth data")

# 关闭数据库连接
cursor.close()
db.close()