MySQL无法存储emoji表情解决方案分析

show variables like '%char%';

ALTER DATABASE 数据库名 CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;

ALTER TABLE 表名 CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;

set @@character_set_client='utf8mb4';
set @@character_set_connection='utf8mb4';
set @@character_set_results='utf8mb4';
set @@character_set_server='utf8mb4';

class MysqlPipeline(object):
  def __init__(self):
    self.conn = MySQLdb.connect('127.0.0.1', 'root', 'root', 'article_spider', charset='utf8mb4', use_unicode=True)
    self.cursor = self.conn.cursor()
  def process_item(self, item, spider):
    insert_sql = '''
      insert into article(title,url,bookmark_nums,url_object_id,content)
      VALUE (%s,%s,%s,%s,%s)
    '''
    self.cursor.execute(insert_sql, (item['title'], item['url'], item['bookmark_nums'],item['url_object_id'], item['content']))
    self.conn.commit()