Pythonの軽量フレームワークフラスコ開発インターフェース、オペレーティングデータベース

データベースの操作方法をカプセル化します

import traceback
import pymysql
from flask import jsonify
from pymysql import connect
from collect import LOGGER
from collect.exceptions.HadesException import *


class dbConnect():
    # 初始化
    def __init__(self):
        try:
            # 连接数据库
            self.conn = connect(
                host='12.32.68.224',
                port=3306,
                database='数据库名',
                user='root',
                password='数据库密码',
                charset='utf8',
                # pymysql默认select获取的数据是元祖类型，如果想要字典类型的数据，要设置如下
                cursorclass=pymysql.cursors.DictCursor
            )
        except:
            print("连接数据库失败")
            exit(-1)
        # 光标
        self.cs = self.conn.cursor()

    # 查询数据库
    def query(self, sql):
        self.cs.execute(sql)
        print(sql)
        # 获取数据
        result = self.cs.fetchall()
        self.conn.close()
        print(result)
        return result
        self.close()

    # 插入数据
    def add(self, sql):
        try:
            print(sql)
            self.cs.execute(sql)
            self.conn.commit()
        except Exception as e:
            self.conn.rollback()
        finally:
            self.close()

    # 断开连接
    def close(self):
        self.cs.close()
        self.conn.close()

    def insert_db(self, sql):
        select_sql = 'SELECT LAST_INSERT_ID()'
        try:
            self.cs.execute(sql)
            self.conn.commit()
            self.cs.execute(select_sql)
            result = self.cs.fetchall()
            insert_id = result[0]['LAST_INSERT_ID()']
            print()
            print(insert_id)
            return insert_id
        except pymysql.err.ProgrammingError:
            LOGGER.error(traceback.format_exc())
            raise DatabaseSyntaxError
        except Exception:
            raise Exception
            return None
        finally:
            self.cs.close()

# if __name__ == "__main__":
#     db = dbConnect()
#     db.query("select * from result")

チェック/書き込みインターフェースを実装する

from flask import render_template, request,jsonify
from collect.controller import mysql_connection
from collect import app
from collect.controller.blueprint import create_blueprint

app_task = create_blueprint('collect', '/task', __name__)

#任务
@app_task.route('', methods=["POST", "GET"])
def task():
    if request.method == 'POST':
        taskname = request.form["taskname"]
        remarks = request.form["remarks"]
        db = mysql_connection.dbConnect()
        submmit = db.query("select taskname from perf_task where taskname = '%s'" % taskname)
        try:
            if not submmit:
                db = mysql_connection.dbConnect()
                sql = "insert into perf_task(taskname, remarks) values('%s','%s') " % (taskname, remarks)
                db.add(sql)
                result = {'code': 200, 'Msg': 'create task successfully'}
                return jsonify(result)
            else:
                result = {'code': 200, 'Msg': '该任务已存在，请重新输入'}
                return jsonify(result)
        except Exception as e:
            result = {'code': -1, 'Msg': 'create task faliured'}
            return jsonify(result)
    elif request.method == 'GET':
        db = mysql_connection.dbConnect()
        sql = "select * from perf_task order by createtime DESC"
        result = db.query(sql)
        return(jsonify(result))
        locals()

テンプレート

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <h1>任务页</h1>


    </form>
    <form action="/task" enctype='multipart/form-data' method=['POST','GET']>
        <label>任务名称:</label><input type="taskname" name="taskname"/><br>
        <label>任务描述:</label><input type="remarks" name="remarks"/><br>

        <input type="submit" value="提交">
    </form>
</body>
</html>

utilsの下のinitファイル

#导入要运行的文件的方法

import os

from flask import Flask
from collect.utils.LogUtils import Logger


app = Flask(__name__)

BASE_UPLOAD_PATH = os.path.join(app.root_path, 'static/uploads')
BASE_LOG_PATH = os.path.join(app.root_path, 'logs')
LOGGER = Logger(log_path=BASE_LOG_PATH)

from collect.controller.upload import app_upload
from collect.controller.report import app_report
from collect.controller.task import app_task

app.register_blueprint(app_upload)
app.register_blueprint(app_report)
app.register_blueprint(app_task)

from collect.controller import task

プロジェクト全体でプロジェクトを実行する

from collect import app


if __name__ == '__main__':
    app.run(debug=True)

Pythonの軽量フレームワークフラスコ開発インターフェース、オペレーティングデータベース

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