python mysql query

Use pymysql
PIP install pymysql

Mysql create table test

CREATE TABLE `userinfo` (
  `id` int(20) NOT NULL AUTO_INCREMENT,
  `phoneNum` char(11) NOT NULL,
  `location` char(20) NOT NULL,
  PRIMARY KEY (`id`),
  UNIQUE KEY `name` (`phoneNum`)
) ENGINE=InnoDB AUTO_INCREMENT=1124 DEFAULT CHARSET=utf8;

Initialization test data

INSERT INTO `test`.`userinfo` (`id`, `phoneNum`, `location`) VALUES ('1', '18104025555', '辽宁，沈阳');

#!/usr/bin/python
#-*-coding:utf-8 -*-
import pymysql
dblink = pymysql.connect(
    host="10.10.10.31",
    user="abc",password="123456",
    database="test",
    charset="utf8")
  

 
def select(db):
    # 使用 cursor() 方法创建一个游标对象 cursor
    cursor = db.cursor()
    # 查询
    cursor.execute("select * from test.userinfo")
    # 使用 fetchone() 方法获取单条数据.
    data = cursor.fetchone()
    #print data
    db.close()
    return data

def install(data):
    cursor = db.cursor()
    sql_update = "update `test`.`userinfo` set location=  gs,ln  where phoneNum = 18104025555"
    cursor.execute(sql_update)
    cursor.execute("select * from test.userinfo")
    # 使用 fetchone() 方法获取单条数据.
    data = cursor.fetchone()
    #print data
    print (data[1])
    print (data[2])
    db.close()

if __name__ == "__main__":
    aa=select(dblink)
    print (aa[1])