\u6211\u5011\u5c07\u4f7f\u7528\u6a23\u672c\u61c9\u7528\u7a0b\u5f0f\uff08\u53cd\u994b\uff09\u4f86\u9032\u884c\u4ecb\u7d39\u3002<\/p>\n
\u9019\u662f\u4e00\u7bc7\u95dc\u65bcMac\u74b0\u5883\u7684\u6587\u7ae0\uff0c\u4e0d\u904eWindows\u74b0\u5883\u7684\u6b65\u9a5f\u4e5f\u662f\u76f8\u540c\u7684\u3002\u8acb\u6839\u64da\u60a8\u7684\u74b0\u5883\u66ff\u63db\u76f8\u95dc\u90e8\u5206\u4e26\u8a66\u8a66\u770b\u3002<\/p>\n
\u53ea\u9700\u9605\u8bfb\u672c\u6587\u5230\u6700\u540e\uff0c\u60a8\u5c31\u80fd\u591f\u505a\u5230\u4ee5\u4e0b\u7684\u4e8b\u60c5\uff1a<\/p>\n
\u6211\u8ba4\u4e3a\uff0c\u901a\u8fc7\u8ddf\u8e2a\u5b9e\u9645\u7684\u5b9e\u65bd\u5185\u5bb9\u548c\u6e90\u4ee3\u7801\u4e00\u8d77\u9605\u8bfb\uff0c\u53ef\u4ee5\u52a0\u6df1\u7406\u89e3\u3002\u8bf7\u52a1\u5fc5\u5145\u5206\u5229\u7528\u3002<\/p>\n
GitHub (Github)<\/p>\n
\/\r\n\u251c\u2500\u2500 app\r\n\u2502\u00a0\u00a0 \u251c\u2500\u2500 __init__.py\r\n\u2502\u00a0\u00a0 \u251c\u2500\u2500 config.py\r\n\u2502\u00a0\u00a0 \u251c\u2500\u2500 feedback\r\n\u2502 \u2502 \u251c\u2500\u2500 __init__.py\r\n\u2502 \u2502 \u251c\u2500\u2500 common\/\r\n\u2502 \u2502 \u251c\u2500\u2500 models\r\n\u2502 \u2502 \u2502 \u251c\u2500\u2500 __init__.py\r\n\u2502 \u2502 \u2502 \u2514\u2500\u2500 feedback.py\r\n\u2502 \u2502 \u251c\u2500\u2500 static\/\r\n\u2502 \u2502 \u251c\u2500\u2500 templates\/\r\n\u2502 \u2502 \u2514\u2500\u2500 views\/\r\n\u2502\u00a0\u00a0 \u251c\u2500\u2500 run.py\r\n\u2502\u00a0\u00a0 \u2514\u2500\u2500 tests\/\r\n\u2514\u2500\u2500 instance\r\n \u00a0\u00a0 \u251c\u2500\u2500 postgresql.py\r\n \u00a0\u00a0 \u251c\u2500\u2500 sqlite3.py\r\n \u00a0\u00a0 \u2514\u2500\u2500 config.py\r\n<\/code><\/pre>\n1. Flask-SQLAlchemy\u7684\u5f00\u53d1<\/h2>\n\u5b89\u88c5\u8f6f\u4ef6\u5305<\/h3>\n\n- \n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u9009\u9879:<\/ol>\n<\/li>\n<\/ol>\n\u5728procedure.sh\u6587\u4ef6\u4e2d\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u5b89\u88c5\u5305:
\n~$ pip install Flask-Migrate
\n~$ pip install Flask-SQLAlchemy
\n~$ pip install Flask
\n~$ pip install psycopg2<\/p>\n
\u5982\u679c\u5728\u5b89\u88c5psycopg2\u65f6\u51fa\u73b0\u9519\u8bef\uff0c\u8bf7\u5728macOS + venv\u73af\u5883\u4e2d\u6307\u5b9a\u73af\u5883\u53d8\u91cf\u5e76\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4:
\n~$ xcode-select –install
\n~$ env LDFLAGS=”-I\/usr\/local\/opt\/openssl\/include -L\/usr\/local\/opt\/openssl\/lib” pip install psycopg2<\/p>\n
SQLAlchemy\u7684\u914d\u7f6e<\/h3>\n\n- \n
\u8bbe\u5b9a\u5f00\u53d1\u73af\u5883\u7684\u914d\u7f6e\u3002<\/ol>\n<\/li>\n<\/ol>\nconfig.py
\n“””instance\/config.py
\n“””<\/p>\n
\u4eceinstance.postgresql\u5bfc\u5165SQLALCHEMY_DATABASE_URI\u4f5c\u4e3aDATABASE_URI<\/p>\n
DEBUG = True
\n# SECRET_KEY\u662f\u901a\u8fc7os.urandom(24)\u751f\u6210\u7684\u3002
\nSECRET_KEY = ‘\\xf7\\xf4\\x9bb\\xd7\\xa8\\xdb\\xee\\x9f\\xe3\\x98SR\\xda\\xb0@\\xb7\\x12\\xa4uB\\xda\\xa3\\x1b’
\nSTRIPE_API_KEY = ”<\/p>\n
SQLALCHEMY_DATABASE_URI = DATABASE_URI
\nSQLALCHEMY_TRACK_MODIFICATIONS = True
\nSQLALCHEMY_ECHO = True<\/p>\n
\u8bbe\u5b9aPostgreSQL\u3002<\/p>\n
postgresql.py
\n“””instance\/postgresql.py
\n“””<\/p>\n
SQLALCHEMY_DATABASE_URI = ‘postgresql+psycopg2:\/\/{user}:{password}@{host}\/{name}’.format(**{
\n‘user’: ‘nsuhara’,
\n‘password’: ‘nsuhara’,
\n‘host’: ‘127.0.0.1’,
\n‘name’: ‘db.postgresql’
\n})<\/p>\n
\u8bbe\u5b9aSQLite3\uff08\u989d\u5916\uff09\u3002<\/p>\n
sqlite3.py
\n“””instance\/sqlite3.py
\n“””<\/p>\n
\u5bfc\u5165os<\/p>\n
SQLALCHEMY_DATABASE_URI = ‘sqlite:\/\/\/{host}\/{name}’.format(**{
\n‘host’: os.path.dirname(os.path.abspath(__file__)),
\n‘name’: ‘db.sqlite3’
\n})<\/p>\n
\u521b\u5efaModel<\/h3>\n\n- \n
\u751f\u6210\u4e00\u4e2aSQLAlchemy\u7684\u5b9e\u4f8b\u3002<\/ol>\n<\/li>\n<\/ol>\n__init__.py
\n“””app\/feedback\/models\/__init__.py”””<\/p>\n
from flask_sqlalchemy import SQLAlchemy<\/p>\n
db = SQLAlchemy()<\/p>\n
def init():
\n“””init”””
\ndb.create_all()<\/p>\n
\u7ee7\u627fSQLAlchemy\u7684\u7c7b(db.Model)\uff0c\u521b\u5efa\u4e00\u4e2a\u6a21\u578b\u3002<\/p>\n
feedback.py
\n“””app\/feedback\/models\/feedback.py”””<\/p>\n
from datetime import datetime<\/p>\n
from feedback.models import db<\/p>\n
class Feedback(db.Model):
\n“””Feedback”””
\n__tablename__ = ‘feedback’<\/p>\n
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
\nservice = db.Column(db.String(255), nullable=False)
\ntitle = db.Column(db.String(255), nullable=False)
\ndetail = db.Column(db.String(255), nullable=False)
\ncreated_date = db.Column(
\ndb.DateTime, nullable=False, default=datetime.utcnow)<\/p>\n
def __init__(self, service, title, detail):
\nself.service = service
\nself.title = title
\nself.detail = detail<\/p>\n
def to_dict(self):
\n“””to_dict”””
\nreturn {
\n‘id’: self.id,
\n‘service’: self.service,
\n‘title’: self.title,
\n‘detail’: self.detail,
\n‘created_date’: self.created_date
\n}<\/p>\n
2. PostgreSQL\u7684\u914d\u7f6e\u8bbe\u7f6e<\/h2>\n
\u8fd9\u662fHomebrew\u7684\u4e00\u4e2a\u793a\u4f8b\u8fd0\u884c\u3002<\/p>\n
\u786e\u8ba4\u670d\u52a1<\/h3>\n\n- \n
\u67e5\u8be2\u670d\u52a1\u3002<\/ol>\n<\/li>\n<\/ol>\nprocedure.sh
\n~$ brew services list<\/p>\n
result.sh
\n\u540d\u79f0 \u72b6\u6001 \u7528\u6237 Plist
\npostgresql \u5df2\u542f\u52a8 nsuhara \/Users\/nsuhara\/Library\/LaunchAgents\/homebrew.mxcl.postgresql.plist<\/p>\n
\u670d\u52a1\u5f00\u59cb\/\u7ed3\u675f<\/h3>\n\n- \n
\u542f\u52a8\u670d\u52a1\u3002<\/ol>\n<\/li>\n<\/ol>\nprocedure.sh
\n~$ brew services start postgresql<\/p>\n
\u505c\u6b62\u670d\u52a1\u3002<\/p>\n
procedure.sh
\n~$ brew services stop postgresql<\/p>\n
\u67e5\u8be2\u6570\u636e\u5e93<\/h3>\n\n- \n
\u786e\u8ba4\u6570\u636e\u5e93\u3002<\/ol>\n<\/li>\n<\/ol>\n\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u4f1a\u521b\u5efa\u4e09\u4e2a\u6570\u636e\u5e93\u3002\u6b64\u5916\uff0cMac\u7684\u7528\u6237\u540d\u4f1a\u88ab\u8bbe\u7f6e\u4e3aOwner\u3002<\/p>\n
procedure.sh
\n~$ psql -l<\/p>\n
result.sh
\n\u6570\u636e\u5e93\u5217\u8868
\n\u540d\u79f0 | \u6240\u6709\u8005 | \u7f16\u7801 | \u533a\u57df | \u7c7b\u578b | \u8bbf\u95ee\u6743\u9650
\n————–+———+———-+———+——-+———————
\npostgres | nsuhara | UTF8 | C | C |
\ntemplate0 | nsuhara | UTF8 | C | C | =c\/nsuhara +
\n| | | | | nsuhara=CTc\/nsuhara
\ntemplate1 | nsuhara | UTF8 | C | C | =c\/nsuhara +
\n| | | | | nsuhara=CTc\/nsuhara<\/p>\n
\u8fde\u63a5\/\u65ad\u5f00\u6570\u636e\u5e93<\/h3>\n\n- \n
\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002<\/ol>\n<\/li>\n<\/ol>\nprocedure.sh
\n~$ psql -h “” -p -U “” -d “”<\/p>\n
example.sh
\n~$ psql -h “127.0.0.1” -p 5432 -U “nsuhara” -d “postgres”<\/p>\n
\u65ad\u5f00\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/p>\n
procedure.sh
\npostgresql=# \\q<\/p>\n
\u521b\u5efa\u7528\u6237\u89d2\u8272<\/h3>\n\n- \n
\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002<\/ol>\n<\/li>\n<\/ol>\n\u786e\u8ba4\u89d2\u8272\uff08\u7528\u6237\uff09\u3002<\/p>\n
procedure.sh
\npostgresql=# \\du<\/p>\n
result.sh
\n\u89d2\u8272\u5217\u8868
\n\u89d2\u8272\u540d\u79f0 | \u5c5e\u6027 | \u6240\u5c5e\u6210\u5458
\n———-+—————————————————–+———–
\nnsuhara | \u8d85\u7ea7\u7528\u6237, \u521b\u5efa\u89d2\u8272, \u521b\u5efa\u6570\u636e\u5e93, \u590d\u5236, \u65c1\u8defRLS | {}<\/p>\n
\u521b\u5efa\u89d2\u8272\uff08\u7528\u6237\uff09\u3002<\/p>\n
procedure.sh
\npostgresql=# CREATE ROLE “” LOGIN PASSWORD “password”;<\/p>\n
example.sh
\npostgresql=# CREATE ROLE “nsuhara” LOGIN PASSWORD “nsuhara”;<\/p>\n
\u5220\u9664\u89d2\u8272\uff08\u7528\u6237\uff09\u3002<\/p>\n
procedure.sh
\npostgresql=# DROP ROLE “”;<\/p>\n
example.sh
\npostgresql=# DROP ROLE “nsuhara”;<\/p>\n
\u521b\u5efa\u6570\u636e\u5e93<\/h3>\n\n- \n
\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002<\/ol>\n<\/li>\n<\/ol>\n <\/p>\n
\n- \n
\u786e\u8ba4\u6570\u636e\u5e93\u3002<\/ol>\n<\/li>\n<\/ol>\n <\/p>\n
\n- \n
procedure.sh<\/ol>\n<\/li>\n<\/ol>\n <\/p>\n
\n- \n
postgresql=# \\l<\/ol>\n<\/li>\n<\/ol>\nresult.sh
\n\u6570\u636e\u5e93\u5217\u8868
\n\u540d\u79f0 | \u6240\u6709\u8005 | \u7f16\u7801 | \u6821\u5bf9\u987a\u5e8f | \u7c7b\u578b | \u8bbf\u95ee\u6743\u9650
\n————–+———+———-+———+——-+———————
\ndb.postgresql | nsuhara | UTF8 | C | C |
\npostgres | nsuhara | UTF8 | C | C |
\ntemplate0 | nsuhara | UTF8 | C | C | =c\/nsuhara +
\n| | | | | nsuhara=CTc\/nsuhara
\ntemplate1 | nsuhara | UTF8 | C | C | =c\/nsuhara +
\n| | | | | nsuhara=CTc\/nsuhara<\/p>\n
\u521b\u5efa\u6570\u636e\u5e93\u3002
\nprocedure.sh
\npostgresql=# CREATE DATABASE “” OWNER “”;<\/p>\n
example.sh
\npostgresql=# CREATE DATABASE “db.postgresql” OWNER “nsuhara”;<\/p>\n
\u5220\u9664\u6570\u636e\u5e93\u3002
\nprocedure.sh
\npostgresql=# DROP DATABASE “”;<\/p>\n
example.sh
\npostgresql=# DROP DATABASE “db.postgresql”;<\/p>\n
\u6570\u636e\u5e93\u8fc1\u79fb<\/h3>\n\n- \n
\u5728Python\u4e2d\u8bbe\u7f6eFlask\u7684\u73af\u5883\u53d8\u91cf\u3002<\/ol>\n<\/li>\n<\/ol>\n <\/p>\n
\n- \n
\u6267\u884c\u6570\u636e\u5e93\u8fc1\u79fb\u3002<\/ol>\n<\/li>\n<\/ol>\n <\/p>\n
\n- \n
\u5728procedure.sh\u6587\u4ef6\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/ol>\n<\/li>\n<\/ol>\n <\/p>\n
\n- \n
~$ flask db init<\/ol>\n<\/li>\n<\/ol>\n <\/p>\n
\n- \n
~$ flask db migrate<\/ol>\n<\/li>\n<\/ol>\n <\/p>\n
~$ flask db upgrade<\/ol>\n\u5220\u9664\u8bb0\u5f55<\/h3>\n\n- \n
\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002<\/ol>\n<\/li>\n<\/ol>\n\u5220\u9664\u8bb0\u5f55\u3002<\/p>\n
procedure.sh
\npostgresql=# \u4ece\u4e2d\u5220\u9664;<\/p>\n
\u521d\u59cb\u5316\u81ea\u52a8\u7f16\u53f7\u3002<\/p>\n
procedure.sh
\npostgresql=# \u9009\u62e9setval(‘_id_seq’, 1, false);<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4f7f\u7528Flask-SQLAlchemy\u548cPostgreSQL\u6765\u521b\u5efa\u7f51\u7edc\u670d\u52a1\u3002 \u9996\u5148 \u6211\u5011\u5c07\u4f7f\u7528\u6a23\u672c\u61c9\u7528\u7a0b\u5f0f\uff08\u53cd\u994b […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-42007","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n
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