用python生成mysql數據庫結構文檔

pip install pymysql
pip install document

# -*- coding: utf-8 -*-
import pymysql
from docx import Document
from docx.shared import Pt
from docx.oxml.ns import qn

db = pymysql.connect(host='127.0.0.1', #數據庫服務器IP
                         port=3306,
                         user='root',
                         passwd='123456',
                         db='test_db') #數據庫名稱)
#根據表名查詢對應的字段相關信息
def query(tableName):
    #打開數據庫連接
    cur = db.cursor()
    sql = "select b.COLUMN_NAME,b.COLUMN_TYPE,b.COLUMN_COMMENT from (select * from information_schema.`TABLES`  where TABLE_SCHEMA='test_db') a right join(select * from information_schema.`COLUMNS` where TABLE_SCHEMA='test_db_test') b on a.TABLE_NAME = b.TABLE_NAME where a.TABLE_NAME='" + tableName+"'"
    cur.execute(sql)
    data = cur.fetchall()
    cur.close
    return data
#查詢當前庫下面所有的表名，表名：tableName；表名+註釋(用於填充至word文檔)：concat(TABLE_NAME,'(',TABLE_COMMENT,')')
def queryTableName():
    cur = db.cursor()
    sql = "select TABLE_NAME,concat(TABLE_NAME,'(',TABLE_COMMENT,')') from information_schema.`TABLES`  where TABLE_SCHEMA='test_db_test'"
    cur.execute(sql)
    data = cur.fetchall()
    return data
#將每個表生成word結構，輸出到word文檔
def generateWord(singleTableData,document,tableName):
    p=document.add_paragraph()
    p.paragraph_format.line_spacing=1.5 #設置該段落 行間距為 1.5倍
    p.paragraph_format.space_after=Pt(0) #設置段落 段後 0 磅
    #document.add_paragraph(tableName,style='ListBullet')
    r=p.add_run('\n'+tableName)
    r.font.name=u'宋體'
    r.font.size=Pt(12)
    table = document.add_table(rows=len(singleTableData)+1, cols=3,style='Table Grid')
    table.style.font.size=Pt(11)
    table.style.font.name=u'Calibri'
    #設置表頭樣式
    #這裡隻生成瞭三個表頭，可通過實際需求進行修改
    for i in ((0,'NAME'),(1,'TYPE'),(2,'COMMENT')):
        run = table.cell(0,i[0]).paragraphs[0].add_run(i[1])
        run.font.name = 'Calibri'
        run.font.size = Pt(11)
        r = run._element
        r.rPr.rFonts.set(qn('w:eastAsia'), '宋體')
    
    for i in range(len(singleTableData)):
        #設置表格內數據的樣式
        for j in range(len(singleTableData[i])):
            run = table.cell(i+1,j).paragraphs[0].add_run(singleTableData[i][j])
            run.font.name = 'Calibri'
            run.font.size = Pt(11)
            r = run._element
            r.rPr.rFonts.set(qn('w:eastAsia'), '宋體')
        #table.cell(i+1, 0).text=singleTableData[i][1]
        #table.cell(i+1, 1).text=singleTableData[i][2]
        #table.cell(i+1, 2).text=singleTableData[i][3]
    

if __name__ == '__main__':
    #定義一個document
    document = Document()
    #設置字體默認樣式
    document.styles['Normal'].font.name = u'宋體'
    document.styles['Normal']._element.rPr.rFonts.set(qn('w:eastAsia'), u'宋體')
    #獲取當前庫下所有的表名信息和表註釋信息
    tableList = queryTableName()
    #循環查詢數據庫，獲取表字段詳細信息，並調用generateWord，生成word數據
    #由於時間匆忙，我這邊選擇的是直接查詢數據庫，執行瞭100多次查詢，可以進行優化，查詢出所有的表結構，在代碼裡面將每個表結構進行拆分
    for singleTableName in tableList:
        data = query(singleTableName[0])
        generateWord(data,document,singleTableName[1])
    #保存至文檔
    document.save('數據庫設計.docx')