![\"\"](\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe15.png\")
<\/div><\/p>\n\u5728\u540e\u7aef\u5f00\u53d1\u4e2d\u514d\u4e0d\u6389\u4e0e\u6570\u636e\u5e93\u6253\u4ea4\u9053\uff0c\u65e0\u975e\u662f\u4f7f\u7528 \u5728python\u4e2d\u901a\u8fc7\u539f\u751fsql\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u4e3b\u6d41\u5c31\u4e24\u79cd\u3002<\/p>\n orm\u7684\u4f7f\u7528\u4ee5flask\u548cdjango\u4e3a\u4f8b\u3002<\/p>\n orm\u7684\u64cd\u4f5c\u6570\u636e\u5e93\u7684\u65b9\u5f0f\u6211\u4eec\u5df2\u7ecf\u719f\u77e5\u4e86\uff0c\u8fd9\u91cc\u6211\u4eec\u804a\u4e00\u804a\u5982\u4f55\u5728web\u4e2d\u4f7f\u7528\u539f\u751fsql\u64cd\u4f5c\u6570\u636e\u5e93\uff0c\u4ee5\u53ca\u4f1a\u51fa\u73b0\u7684\u95ee\u9898\u3002<\/p>\n \u628a\u6240\u6709\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u5168\u90e8\u90fd\u653e\u5728\u4e86\u89c6\u56fe\u51fd\u6570\u91cc\u9762\u3002<\/p>\n \u4f1a\u51fa\u73b0\u7684\u95ee\u9898<\/strong><\/p>\n \u4e3a\u4e86\u907f\u514d\u4e4b\u524d\u6bcf\u4e2a\u7528\u6237\u90fd\u5efa\u7acb\u8fde\u63a5\uff0c\u6211\u4eec\u628a\u6570\u636e\u5e93\u8fde\u63a5\u653e\u5230\u4e86\u5168\u5c40\u53d8\u91cf\u91cc\u9762\uff0c\u53ea\u4f1a\u5efa\u7acb\u4e00\u6b21\u8fde\u63a5\uff0c\u4f46\u662f\u4f9d\u7136\u4f1a\u51fa\u73b0\u95ee\u9898\u3002<\/p>\n \u4f1a\u51fa\u73b0\u7684\u95ee\u9898\uff1a<\/strong><\/p>\n \u4e3a\u4e86\u907f\u514d\u4e4b\u524d\u7684\u7ebf\u7a0b\u4e0d\u5b89\u5168\uff0c\u5728\u793a\u4f8b2\u7684\u57fa\u7840\u4e0a\u52a0\u4e0a\u4e00\u628a\u7ebf\u7a0b\u9501<\/p>\n \u4f1a\u51fa\u73b0\u7684\u95ee\u9898<\/strong>\uff1a<\/p> \u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div>orm<\/code>\u6216\u8005\u539f\u751fsql<\/code>\u6765\u64cd\u4f5c\u6570\u636e\u5e93\u3002<\/p>\n\n
pymysql<\/code>\u652f\u6301python2.x<\/code>\u548cpython3.x<\/code>\u7684\u7248\u672c<\/li>\nmysqldb<\/code>\u4ec5\u652f\u6301python2.x<\/code>\u7684\u7248\u672c<\/li>\n<\/ul>\n\n
SQLAlchemy<\/code>\uff08SQLAlchemy\u672c\u5c31\u662form\uff09\uff0cflask\u56e2\u961f\u5e76\u5728SQLAlchemy<\/code>\u57fa\u7840\u4e4b\u4e0a\u53c8\u5c01\u88c5\u4e86\u4e00\u4e2aFlask-SQLchemy<\/code>\u5e76\u4e88\u4ee5\u5e94\u7528 \u3002<\/li>\n02 \u5728web\u4e2d\u4f7f\u7528\u539f\u751fsql(pymysql)\u64cd\u4f5c\u6570\u636e\u5e93\uff1f<\/h1>\n
2.1 \u5728web\u4e2d\u901a\u8fc7\u539f\u751fsql\u64cd\u4f5c\u6570\u636e\u5e93\u4f1a\u51fa\u73b0\u7684\u95ee\u9898\u3002<\/h3>\n
![\"\"](\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/08\/\u6076\u641e\u56fe16-1.png\")
<\/div><\/p>\n\u793a\u4f8b1\uff1a<\/h4>\n
from flask import Flask\n\napp = Flask(__name__)\n\n@app.route("\/")\ndef hello():\n import pymysql\n CONN = pymysql.connect(host='127.0.0.1',\n port=3306,\n user='root',\n password='123',\n database='pooldb',\n charset='utf8')\n\n cursor = CONN.cursor()\n cursor.execute('select * from tb1')\n result = cursor.fetchall()\n cursor.close()\n\n print(result)\n\n return "Hello World"\n\nif __name__ == '__main__':\n app.run()<\/code><\/pre>\n\n
\u793a\u4f8b2<\/h4>\n
from flask import Flask\n\napp = Flask(__name__)\nimport pymysql\nCONN = pymysql.connect(host='127.0.0.1',\n port=3306,\n user='root',\n password='123',\n database='pooldb',\n charset='utf8')\n\n@app.route("\/")\ndef hello():\n cursor = CONN.cursor()\n cursor.execute('select * from tb1')\n result = cursor.fetchall()\n cursor.close()\n\n print(result)\n\n return "Hello World"\n\nif __name__ == '__main__':\n app.run()<\/code><\/pre>\n\n
\u793a\u4f8b3<\/h4>\n
from flask import Flask\nimport threading\napp = Flask(__name__)\nimport pymysql\nCONN = pymysql.connect(host='127.0.0.1',\n port=3306,\n user='root',\n password='123',\n database='pooldb',\n charset='utf8')\n\n@app.route("\/")\ndef hello():\n with threading.Lock():\n cursor = CONN.cursor()\n cursor.execute('select * from tb1')\n result = cursor.fetchall()\n cursor.close()\n\n print(result)\n\n return "Hello World"\n\nif __name__ == '__main__':\n app.run()<\/code><\/pre>\n\u67e5\u770b\u66f4\u591a<\/h2>