pip install openpyxl
pip install pymssql

# -*- coding:utf-8 -*-
# @Time   : 2022-10-10
# @Author : Carl_DJ


'''
實(shí)現(xiàn)功能：
    1、python直接鏈接sqlserver數(shù)據(jù)庫，讀取數(shù)據(jù)庫內(nèi)容
    2、執(zhí)行 查詢結(jié)果，并寫入到excel表中
應(yīng)用模塊：
	pymssql，os，openpyxl

'''
import os
import pymysql #mysql數(shù)據(jù)庫鏈接
import pymssql #sqlserver數(shù)據(jù)庫鏈接
import openpyxl



#輸出文件夾
outfile_path = './data'

#如果沒有outfile_path 這個(gè)文件夾，就自動(dòng)創(chuàng)建
if not os.path.exists(outfile_path):
    os.mkdir(outfile_path)

#輸出文件名稱
filename = r'SQLtest.xlsx'
file_path= os.path.join(outfile_path,old_filename)


#創(chuàng)建數(shù)據(jù)庫鏈接
#鏈接SqlServer
conn = pymssql.connect(host = "localhost",
					   port = 3306,
					   user = "",
					   psd = "",
					   database = "")

if conn:
    print("數(shù)據(jù)庫鏈接成功")

time.sleep(3)

#sql查詢語句
sql = "select UUID,KEYID,TYPE,NAME,PRICE from KEY_INFO WHERE NAME LIKE '%測試商品名稱'"


#創(chuàng)建游標(biāo)
cur = conn.cursor()
#執(zhí)行sql語句
cur.execute(sql)

#返回查詢結(jié)果
result = cur.fetchall()

#創(chuàng)建一個(gè)工作簿對(duì)象
wb = openpyxl.Workbook()
#定義sheet名
Key_Info_sheet = wb.create_sheet('KEY_INFO ',0)

#獲取默認(rèn)sheet頁
# Key_Info_sheet = book.active

#獲取表頭信息
h1 = [filed[0] for filed in cur.description]
Key_Info_sheet.append(h1)
for i in result:
    Key_Info_sheet.append(i)
wb.save(file_path)


# 關(guān)閉數(shù)據(jù)庫鏈接
cur.close()
conn.close()

pip install pandas

# -*- coding:utf-8 -*-
# @Time   : 2022-10-10
# @Author : Carl_DJ

'''
實(shí)現(xiàn)功能：
    1、python直接鏈接SqlServer數(shù)據(jù)庫，實(shí)現(xiàn)SQL查詢
    2、同時(shí)執(zhí)行多條sql語句，查詢結(jié)果分別寫入不同的sheet頁中；
應(yīng)用模塊：
    pandas，pymssql，os,time

'''
import pandas as pd
from pandas.io import sql
import pymssql
import time,os

#設(shè)置時(shí)間戳
now = time.strftime("%Y_%m_%d-%H%M%S",time.localtime())
print(f'執(zhí)行時(shí)間：{now}')

#創(chuàng)建數(shù)據(jù)庫鏈接
#鏈接SqlServer
conn = pymssql.connect(host = "localhost",
						port = 3306,
						user = "",
						psd = "",
						database = "")

if conn:
    print("數(shù)據(jù)庫鏈接成功")

time.sleep(3)

#輸出文件夾
file_path = './data'

#如果沒有outfile_path 這個(gè)文件夾，就自動(dòng)創(chuàng)建
if not os.path.exists(file_path):
    os.mkdir(file_path)
    
#輸出文件格式
Outfile_name = ( 'SqlsTest' + now + '.xlsx')
#讀取sql文件名稱
sqls_name = r'SqlsFile.txt'
#sql執(zhí)行腳本文件(參數(shù)化路徑)
MCsql_file = os.path.join(file_path,MCsql_name)
#輸出文件夾路徑
Outfile_path = os.path.join(file_path,Outfile_name)

#把查詢結(jié)果寫入不同的sheet頁，對(duì)sheet頁進(jìn)行命名
sheet_names = ['KEY_INFO','PRO_INFO']

#定義讀取sql方法，返回sql語句
def sqls(MCsql_file):
    global sqlstrs
    with open(MCsql_file,'r',encoding='utf-8') as f:
        #每個(gè)sql之間，以“；”作為分隔符
        sqlstrs = f.read().split(';')

#定義數(shù)據(jù)查詢方法
def quert_method(sql_str):
    #設(shè)置全局變量
    global df
    df = pd.read_sql(sql_str,con=conn)

#執(zhí)行程序
if __name__ == '__main__':
    sqls(MCsql_file)
    #寫入excel文件
    with pd.ExcelWriter(Outfile_path) as writer:
        for i in range(0,len(sqlstrs)):
            quert_method(sqlstrs[i])
            df.to_excel(writer,sheet_name=sheet_names[i],index=False,header=True)

print("數(shù)據(jù)寫入完成！")

# 關(guān)閉數(shù)據(jù)庫鏈接
conn.close()
print("數(shù)據(jù)庫鏈接關(guān)閉！")