• 第一阶段大作业 文件上传


    连接数据库:

    def get_conn_mysql():
        """
        :return: 
        """
        # 创建连接
        conn = pymysql.connect(host="127.0.0.1",
                        user="root",
                        password="******",
                        db="*******",
                        charset="utf8")
        # 创建游标
        cursor = conn.cursor()  # 执行完毕返回的结果集默认以元组显示
        return conn, cursor
    def close_conn_mysql(conn, cursor):
        if cursor:
            cursor.close()
        if conn:
            conn.close()
    def query_mysql(sql,*args):
        """
        封装通用查询
        :param sql:
        :param args:
        :return: 返回查询结果以((),(),)形式
        """
        conn,cursor = get_conn_mysql();
        cursor.execute(sql)
        res=cursor.fetchall()
        close_conn_mysql(conn,cursor)
        return res

    文件读取:

    #读取样表生成数据字典
    def read_example(path):
        flag=1
        conn, cursor = get_conn_mysql()
        #将excel转换为csv文件
        data = pd.read_excel('excel_example/'+path, 'Sheet1')
        data.fillna('', inplace=True)
        print(data)
        csv_name = path.split(".")[0]
        # data.to_csv("excel_data/"+csv_name+'.csv', encoding='utf-8')
        # data_csv=pd.read_csv("excel_data/"+csv_name+".csv")
        # 编写表创建语句(字段类型就设为string)
        # 表名
        table_name = path.split(".")[0]
        sql = "CREATE TABLE IF NOT EXISTS " + csv_name + " ("
        # 获取key值 CREATE TABLE `bigwork_data`.`table_test` (
        #   `id` VARCHAR(45) NOT NULL,
        #   `table_testcol` VARCHAR(45) NOT NULL,
        #   `table_testcol1` VARCHAR(45) NOT NULL,
        #   `table_testcol2` VARCHAR(45) NOT NULL)
        # ENGINE = InnoDB
        # DEFAULT CHARACTER SET = utf8
        # COLLATE = utf8_bin;
        # 循环加入key值
        keys_china = ""
        keys=""
        key_china=data.keys()
        j=0
        for i in data.values.tolist()[1]:
            sql = sql + i + " VARCHAR(45) NOT NULL DEFAULT '#' comment '"+key_china[j]+"',"
            j=j+1;
            keys = keys + i + ","
        keys_china = keys_china[0:-1]
        keys = keys[0:-1]
        creat_sql = sql[0:-1] + ") ENGINE = InnoDB DEFAULT CHARACTER SET = utf8 COLLATE = utf8_bin;"
        print(creat_sql)
        # 获取%s
        s = ','.join(['%s' for _ in range(len(data.columns))])
        # 获取values
        keys_unit=data.values.tolist()[0];
        values=[]
        values.append(data.values.tolist()[0])
        for i in data.values.tolist()[2:]:
            values.append(i)
        print(values)
        # 组装insert语句
        insert_sql = 'insert into {}({}) values({})'.format(table_name, keys, s)
        print(insert_sql)
        # print(insert_sql)
        # print(keys_china)中文字段名
        # print(keys_unit)中文单位
        # print(keys)英文字段名
        # print(values)数据
        # 创建表
        try:
            cursor.execute(creat_sql)
        except:
            traceback.print_exc()
            flag=0
            print("表创建失败")
        # # 插入数据
        try:
            for i in values:
                cursor.execute(insert_sql, i)
                print(insert_sql)
                print(i)
            conn.commit()
        except:
            traceback.print_exc()
            flag=0
            print("写入错误")
        close_conn_mysql(cursor, conn)
        return flag
    
    # 读取csv文件
    def read_csv(path):
        conn, cursor=get_conn_mysql()
        flag=1
        data=pd.read_csv("score_table/"+path)
        data.fillna('', inplace=True)
        #编写表创建语句(字段类型就设为string)
        #表名
        table_name = path.split(".")[0]
        sql = "CREATE TABLE IF NOT EXISTS " + table_name + " ("
        # 获取key值 CREATE TABLE `bigwork_data`.`table_test` (
        #   `id` VARCHAR(45) NOT NULL,
        #   `table_testcol` VARCHAR(45) NOT NULL,
        #   `table_testcol1` VARCHAR(45) NOT NULL,
        #   `table_testcol2` VARCHAR(45) NOT NULL)
        # ENGINE = InnoDB
        # DEFAULT CHARACTER SET = utf8
        # COLLATE = utf8_bin;
        # 循环加入key值
        keys_china = ""
        keys = ""
        key_china = data.keys()
        j = 0
        for i in data.values.tolist()[1]:
            sql = sql + i + " VARCHAR(45) NOT NULL DEFAULT '#' comment '" + key_china[j] + "',"
            j = j + 1;
            keys = keys + i + ","
        keys_china = keys_china[0:-1]
        keys = keys[0:-1]
        creat_sql = sql[0:-1] + ") ENGINE = InnoDB DEFAULT CHARACTER SET = utf8 COLLATE = utf8_bin;"
        print(creat_sql)
        # 获取%s
        s = ','.join(['%s' for _ in range(len(data.columns))])
        # 获取values
        keys_unit = data.values.tolist()[0];
        values = []
        values.append(data.values.tolist()[0])
        for i in data.values.tolist()[2:]:
            values.append(i)
        print(values)
        # 组装insert语句
        insert_sql = 'insert into {}({}) values({})'.format(table_name, keys, s)
        print(insert_sql)
        # print(insert_sql)
        # print(keys_china)中文字段名
        # print(keys_unit)中文单位
        # print(keys)英文字段名
        # print(values)数据
        # 创建表
        try:
            cursor.execute(creat_sql)
        except:
            traceback.print_exc()
            flag = 0
            print("表创建失败")
        # # 插入数据
        try:
            for i in values:
                cursor.execute(insert_sql, i)
                print(insert_sql)
                print(i)
            conn.commit()
        except:
            traceback.print_exc()
            flag = 0
            print("写入错误")
        close_conn_mysql(cursor, conn)
        return flag
    
    # 读取docx中的文本代码示例
    import docx
    
    #word读取测试
    def read_word_test():
        # 获取文档对象
        file = docx.Document("word_data/word.docx")
        print("段落数:" + str(len(file.paragraphs)))  # 段落数为13,每个回车隔离一段
    
        # 输出每一段的内容
        for para in file.paragraphs:
            print(para.text)
    
        # # 输出段落编号及段落内容
        # for i in range(len(file.paragraphs)):
        #     print("第" + str(i) + "段的内容是:" + file.paragraphs[i].text)
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  • 原文地址:https://www.cnblogs.com/fengchuiguobanxia/p/15511550.html
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