# coding:utf8

import sys

reload(sys)

sys.setdefaultencoding('utf8')

# author： 'zkx'

# date： '2018/3/11'

# Desc：从数据库中导出数据到excel数据表中

#已封装，可以直接使用，只需更改sql语句即可

import xlwt

import MySQLdb

def export(host,user,password,dbname,table_name,outputpath):

conn = MySQLdb.connect(host,user,password,dbname,charset='utf8')

cursor = conn.cursor()

        #时间戳相减，转换为时分秒    导出到excel时间格式要统一（"%Y-%m-%d %H:%i:%S"），不然导出到excel为null

#concat(floor((lasto/1000-first/1000)/3600),"小时",floor(mod((last/1000-first/1000),3600)/60),"分钟",round(mod(mod((last/1000-first/1000),3600),60)),"秒")

count = cursor.execute('select node,nodealias,alertgroup,FROM_UNIXTIME(firstoccurrence/1000,"%Y-%m-%d %H:%i:%S") zuizao,FROM_UNIXTIME(lastoccurrence/1000,"%Y-%m-%d %H:%i:%S")zuiwan,(lastoccurrence/1000-firstoccurrence/1000) shijiancha from '+table_name+' where alertgroup="OIDTableMonitor-mdTemp" and  DATE_SUB(CURDATE(),INTERVAL 7 DAY) <=DATE(FROM_UNIXTIME(firstoccurrence/1000,"%Y-%m-%d %H:%i:%S"))')

print count

# 重置游标的位置

cursor.scroll(0,mode='absolute')

# 搜取所有结果

results = cursor.fetchall()

# 获取MYSQL里面的数据字段名称

fields = cursor.description

workbook = xlwt.Workbook()

sheet = workbook.add_sheet('table_'+table_name,cell_overwrite_ok=True)

# 写上字段信息

for field in range(0,len(fields)):

sheet.write(0,field,fields[field][0])

# 获取并写入数据段信息

row = 1

col = 0

for row in range(1,len(results)+1):

for col in range(0,len(fields)):

sheet.write(row,col,u'%s'%results[row-1][col])

workbook.save(outputpath)

# 测试

if __name__ == "__main__":

#mysql-ip，用户，密码，要执行库，要查询表，存放路径

export('12.16.15.14','eccom','eco','nete','ftnt',r'/opt/datest.xls')