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import json
from flask import Flask , jsonify
from flask_sqlalchemy import SQLAlchemy
# 创建Flask实例
app = Flask ( __name__ )
# 指定配置
# 指定数据库连接及表名
app . config [ ' SQLALCHEMY_DATABASE_URI ' ] = ' mysql+pymysql://root:4541@127.0.0.1:3306/diary_bottle?charset=utf8 '
# 省略提交操作
app . config [ ' SQLALCHEMY_COMMIT_ON_TEARDOWN ' ] = True
# 创建数据库对象
db = SQLAlchemy ( app )
class User ( db . Model ) :
"""
用户类
"""
__tablename__ = ' user '
id = db . Column ( db . String ( 12 ) , primary_key = True )
username = db . Column ( db . String ( 20 ) ) # 用户名
sex = db . Column ( db . String ( 2 ) ) # 性别
def user2dict ( user ) :
return {
' id ' : user . id ,
' username ' : user . username ,
' sex ' : user . sex
}
@app.route ( ' / ' )
def index ( ) :
return ' 服务器正常运行 '
# 设置路由
@app.route ( " /select " )
def select_user ( ) :
ulist = User . query . all ( )
# ！ ！ ！ ！ ！ ！ ！ ！ ！ ！ ！ ！ ！ ！ ！ ！
# 考虑其它数据传递方法
ulist_json = [ ]
for u in ulist :
ulist_json . append ( ( json . dumps ( u , default = user2dict ) ) )
return jsonify ( ulist_json )
# ！ ！ ！ ！ ！ ！ ！ ！ ！ ！ ！ ！ ！ ！ ！ ！
if __name__ == ' __main__ ' :
app . run ( )
