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@@ -1,2 +1,31 @@
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# flask-migrate
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+数据库迁移管理。，创建、更新和删除表格、字段等。
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+## Usage
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+
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+```
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+from flask import Flask
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+from flask_sqlalchemy import SQLAlchemy
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+from flask_migrate import Migrate
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+
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+app = Flask(__name__)
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+app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///app.db'
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+db = SQLAlchemy(app)
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+migrate = Migrate(app, db)
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+
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+class User(db.Model):
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+ id = db.Column(db.Integer, primary_key=True)
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+ username = db.Column(db.String(80), unique=True, nullable=False)
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+ email = db.Column(db.String(120), unique=True, nullable=False)
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+
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+if __name__ == '__main__':
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+ app.run()
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+
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+```
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+
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+```
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+flask db init
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+flask db migrate -m "initial migration"
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+flask db upgrade
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+
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+```
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