python向数据库insert乱码怎么解决？

python向数据库中insert数据出现乱码解决方法：

保证以下四项的编码都是utf-8：

1. 代码

2. 数据库连接

3. 表的字符集格式

4. 插入的数据格式

每步的操作如下：

1. 保证代码的格式是utf-8，在代码最前面加上这句话

# -*- coding:utf8 -*-
#首先用于确定编码，加上这句

2. 保证数据库连接格式是utf-8，这么写

conn=MySQLdb.connect(host='localhost',user='root',passwd='****',db='kfxx',port=3306,charset='utf8')
cur=conn.cursor()

3. 保证表的字符集格式是utf-8，在建表的时候就能设置

4. 保证插入的数据格式是utf-8，分为保证读取的页面格式是utf-8和字符串格式也是utf-8

#解决乱码问题
html_1 = urllib2.urlopen(cityURL,timeout=120).read()
mychar = chardet.detect(html_1)
bianma = mychar['encoding']
if bianma == 'utf-8' or bianma == 'UTF-8':
      html = html_1
else :
      html = html_1.decode('gb2312','ignore').encode('utf-8')

chapter_soup = BeautifulSoup(html)
city = chapter_soup.find('div',class_ = 'row-fluid').find('h1').get_text()
province = chapter_soup.find('a',class_ = 'province').get_text()
pmNum = chapter_soup.find('div',class_ = 'row-fluid').find('span').get_text()
suggest = chapter_soup.find('div',class_ = 'row-fluid').find('h2').get_text()
rand = chapter_soup.find('div',class_ = 'row-fluid').find('h2').find_next_sibling('h2').get_text()
face = chapter_soup.find('div',class_ = 'span4 pmemoji').find('h1').get_text()
conclusion = chapter_soup.find('h1',class_ = 'review').get_text()
print city.encode('utf-8')
cur.execute('insert into t_pm values(\''+city.encode('utf-8')
            +'\',\''+province.encode('utf-8')
            +'\',\''+pmNum.encode('utf-8')
            +'\',\''+suggest.encode('utf-8')
            +'\',\''+rand.encode('utf-8')
            +'\',\''+conclusion.encode('utf-8')+'\')')

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