02

02

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MySQL数据查询

import pymysql

#创建连接对象
conn = pymysql.connect(
    host = '127.0.0.1',
    user = 'root',
    password = '9890',
    database = 'paper',
    charset = 'utf8'
)

#执行sql语句
#从conn得到cursor对象
cursor = conn.cursor()

sql = "select * from place"
cursor.execute(sql)

datas = cursor.fetchall()

for data in datas:
    print(data)

cursor.close()

conn.close()

---

---

结巴分词

import pymysql
import jieba

#创建连接对象
conn = pymysql.connect(
    host = '127.0.0.1',
    user = 'root',
    password = '9890',
    database = 'paper',
    charset = 'utf8'
)

#执行sql语句
#从conn得到cursor对象
cursor = conn.cursor()

sql = "select content from place"
cursor.execute(sql)
#
datas = cursor.fetchall()

for data in datas:
    # print(type(data),data)

    #tuple转字符串
    s =''.join(data);
    seg_list = jieba.cut(s,cut_all = False)
    print("Default Mode:"+"/".join(seg_list))

cursor.close()

conn.close()

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来源：https://www.cnblogs.com/qianchanglai/p/12598693.html