python制作簡單excel統計報表3之將mysql數據庫中的數據導入excel模板并生成統計圖

#coding=utf-8

from openpyxl importload_workbookfrom openpyxl.chart import(

AreaChart,

Reference

)importMySQLdbclassGaokaoExport(object):def __init__(self):

self.wb= load_workbook('./static/tongji_example.xlsx')

self.ws=self.wb.active

self.ws.title= '成績統計'self.ws.sheet_properties.tabColor= 'ff0000'

defget_conn(self):"""獲取mysql 的鏈接"""

globalconntry:

conn=MySQLdb.connect(

db= 'user_grade',

host= 'localhost',

user= 'root',

password= 'root',

charset= 'utf8')except:pass

returnconndefexport_data(self):#取出數據庫中的數據

conn =self.get_conn()

cur=conn.cursor()

sql= "select year,max,avg from score"cur.execute(sql)

rows=cur.fetchall()#循環寫入到excel中

row_id = 10 #excel的第10行開始

for (i, row) inenumerate(rows):

(self.ws['C{0}'.format(row_id)],

self.ws['D{0}'.format(row_id)],

self.ws['E{0}'.format(row_id)]) =row

row_id+= 1

#顯示圖表

#參考：https://openpyxl.readthedocs.io/en/stable/charts/area.html#d-area-charts

chart =AreaChart()

chart.title= "成績統計"chart.style= 13chart.x_axis.title= '年份'chart.y_axis.title= '分數'

#橫坐標

cats = Reference(self.ws, min_col=3, min_row=10, max_row=row_id)#數據區域

data = Reference(self.ws, min_col=4, min_row=9, max_col=5, max_row=row_id)

chart.add_data(data, titles_from_data=True)

chart.set_categories(cats)

self.ws.add_chart(chart,"A{0}".format(row_id + 2))#保存到excel中

self.wb.save('./static/jieguo01.xlsx')

self.wb.close()if __name__ == "__main__":

client=GaokaoExport()

client.export_data()

mysql表數據：

create database user_grade charset=utf8mb4;

use user_grade;

SET NAMES utf8mb4;

SET FOREIGN_KEY_CHECKS = 0;

DROP TABLE IF EXISTS `score`;

CREATE TABLE `score` (

`id` int(11) UNSIGNED NOT NULL AUTO_INCREMENT,

`year` int(11) NULL DEFAULT NULL,

`max` int(11) NULL DEFAULT NULL,

`avg` int(11) NULL DEFAULT NULL,

PRIMARY KEY (`id`) USING BTREE

) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_bin;

INSERT INTO `score` VALUES (25, 2008, 700, 661);

INSERT INTO `score` VALUES (26, 2009, 690, 653);

INSERT INTO `score` VALUES (27, 2010, 699, 663);

INSERT INTO `score` VALUES (28, 2011, 690, 662);

INSERT INTO `score` VALUES (29, 2012, 702, 660);

INSERT INTO `score` VALUES (30, 2013, 720, 692);

INSERT INTO `score` VALUES (31, 2014, 719, 670);

INSERT INTO `score` VALUES (32, 2015, 721, 694);

INSERT INTO `score` VALUES (33, 2016, 715, 687);

INSERT INTO `score` VALUES (34, 2017, 705, 671);

高考數據統計模板：

excel的統計結果

總結

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