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import pymysql
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# 数据库A的连接信息
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db_a_config = {
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'host': '192.168.0.222',
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'user': 'root',
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'password': '1qazse42W3',
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'db': 'ry',
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'charset': 'utf8mb4',
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}
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# 数据库B的连接信息
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db_b_config = {
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'host': '192.168.0.222',
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'user': 'root',
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'password': '1qazse42W3',
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'db': 'mojin',
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'charset': 'utf8mb4',
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}
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try:
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# 连接数据库A
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db_a_conn = pymysql.connect(**db_a_config)
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db_a_cursor = db_a_conn.cursor()
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# 连接数据库B
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db_b_conn = pymysql.connect(**db_b_config)
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db_b_cursor = db_b_conn.cursor()
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stock_basic_map = {}
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#查询交易日数据
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sql_trade_qurey = 'select date,week,trade from trade_dates where trade = %s and date > "2022-01-01"'
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sql_trade = "trading"
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db_a_cursor.execute(sql_trade_qurey,sql_trade)
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trading_dates = db_a_cursor.fetchall()
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#查询基础数据
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sql_stockbasic = "select code,name,blemind2,blemind3,listdate from stock_basis"
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db_a_cursor.execute(sql_stockbasic)
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stock_basic_datas = db_a_cursor.fetchall()
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for row in stock_basic_datas:
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code,name,blemind2,blemind3,listdate = row
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stock_basic_map[code] = (code,name,blemind2,blemind3,listdate)
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for row in trading_dates:
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trading_date,week,trade = row
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print(trading_date)
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#查询日交易数据
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sql_stock_query = 'select code ,trade_day, open,close,high,low,islimit,isdrop,differrange,trade_days,volumn,amount,differrange10,differrange20,differrange60,avg_volume20,freefloat_market_value,total_market_value,agencies_hold from stocks where trade_day = %s'
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db_a_cursor.execute(sql_stock_query,trading_date)
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datas = db_a_cursor.fetchall()
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print(datas)
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print(stock_basic_map)
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print(trading_dates)
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# 查询数据库A中的数据表a1和a2的数据，并进行关联
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#db_a_cursor.execute('SELECT a1.id, a1.date, a1.user, a2.userName, a2.count FROM a1 JOIN a2 ON a1.id = a2.id')
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#data_to_transfer = db_a_cursor.fetchall()
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# 删除数据库B中表c的数据（可选，如果需要覆盖表c的数据）
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# db_b_cursor.execute('DELETE FROM c')
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# 插入数据到数据库B中的表c中
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# for row in data_to_transfer:
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# id, date, user, userName, count = row
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# sql_insert = f"INSERT INTO c (id, date, user, userName, count) VALUES (%s, %s, %s, %s, %s)"
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# db_b_cursor.execute(sql_insert, (id, date, user, userName, count))
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# 提交数据到数据库B中
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# db_b_conn.commit()
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print("数据传输完成！")
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except Exception as e:
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print(f"出现错误：{e}")
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finally:
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# 关闭连接
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if db_a_cursor:
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db_a_cursor.close()
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if db_a_conn:
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db_a_conn.close()
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if db_b_cursor:
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db_b_cursor.close()
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if db_b_conn:
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db_b_conn.close()
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