Repository navigation
Expand file tree
/
Copy pathmysql_orm.py
More file actions
244 lines (213 loc) · 7.32 KB
/
Copy pathmysql_orm.py
File metadata and controls
244 lines (213 loc) · 7.32 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
from sqlalchemy import create_engine
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy import Column, Integer, String, DateTime
from sqlalchemy import and_
# 引入创建session连接会话需要的处理
from sqlalchemy.orm import sessionmaker
from datetime import datetime
engine = create_engine('mysql://root:root@127.0.0.1:3306/interfacelift?charset=utf8', encoding="utf-8", echo=True)
Base = declarative_base()
# 创建一个连接会话对象；需要指定是和那个数据库引擎之间的会话
Session = sessionmaker(bind=engine)
#声明一个创建的class
class RES_WIDESCREEN_16_10(Base):
# 表名
__tablename__ = 'RES_WIDESCREEN_16_10'
id = Column(Integer, primary_key=True)
proportion = Column(String(20))
url = Column(String(300))
time = Column(DateTime, default=datetime.now())
# 转换成json格式
def to_json(self):
return {
'id': self.id,
'proportion': self.proportion,
'url': self.url,
'time': self.time
}
class RES_WIDESCREEN_16_9(Base):
__tablename__ = 'RES_WIDESCREEN_16_9'
id = Column(Integer, primary_key=True)
proportion = Column(String(20), nullable=False)
url = Column(String(300), nullable=False)
time = Column(DateTime, default=datetime.now())
def to_json(self):
return {
'id': self.id,
'proportion': self.proportion,
'url': self.url,
'time': self.time
}
class RES_WIDESCREEN_21_9(Base):
__tablename__ = 'RES_WIDESCREEN_21_9'
id = Column(Integer, primary_key=True)
proportion = Column(String(20), nullable=False)
url = Column(String(300), nullable=False)
time = Column(DateTime, default=datetime.now())
def to_json(self):
return {
'id': self.id,
'proportion': self.proportion,
'url': self.url,
'time': self.time
}
class RES_DUAL_MONITORS(Base):
__tablename__ = 'RES_DUAL_MONITORS'
id = Column(Integer, primary_key=True)
proportion = Column(String(20), nullable=False)
url = Column(String(300), nullable=False)
time = Column(DateTime, default=datetime.now())
def to_json(self):
return {
'id': self.id,
'proportion': self.proportion,
'url': self.url,
'time': self.time
}
class RES_TRIPLE_MONITORS(Base):
__tablename__ = 'RES_TRIPLE_MONITORS'
id = Column(Integer, primary_key=True)
proportion = Column(String(20), nullable=False)
url = Column(String(300), nullable=False)
time = Column(DateTime, default=datetime.now())
def to_json(self):
return {
'id': self.id,
'proportion': self.proportion,
'url': self.url,
'time': self.time
}
class RES_IPHONE(Base):
__tablename__ = 'RES_IPHONE'
id = Column(Integer, primary_key=True)
proportion = Column(String(20), nullable=False)
url = Column(String(300), nullable=False)
time = Column(DateTime, default=datetime.now())
def to_json(self):
return {
'id': self.id,
'proportion': self.proportion,
'url': self.url,
'time': self.time
}
class RES_IPAD(Base):
__tablename__ = 'RES_IPAD'
id = Column(Integer, primary_key=True)
proportion = Column(String(20), nullable=False)
url = Column(String(300), nullable=False)
time = Column(DateTime, default=datetime.now())
def to_json(self):
return {
'id': self.id,
'proportion': self.proportion,
'url': self.url,
'time': self.time
}
class RES_ANDROID(Base):
__tablename__ = 'RES_ANDROID'
id = Column(Integer, primary_key=True)
proportion = Column(String(20), nullable=False)
url = Column(String(300), nullable=False)
time = Column(DateTime, default=datetime.now())
def to_json(self):
return {
'id': self.id,
'proportion': self.proportion,
'url': self.url,
'time': self.time
}
class MysqlOrmInit(object):
# 初始化
def __init__(self):
self.session = Session()
def add_one(self, table, data):
'''添加一条记录'''
new_obj = table(
proportion=data["proportion"],
url=data["url"]
)
self.session.add(new_obj)
self.session.commit()
return new_obj
def get_one(self, table, *params):
'''获取一条数据'''
# print("查询参数", params)
return self.session.query(table).filter(and_(*params)).first()
def get_many(self, table, *params, page_index=1, page_size=10):
'''获取多条数据'''
# print("查询参数", params)
return self.session.query(table).filter(and_(*params)).offset(int(page_index - 1) * int(page_size)).limit(int(page_size)).all()
def count(self, table, *params):
'''统计条数'''
return self.session.query(table).filter(and_(*params)).count()
# return self.session.query(func.count(User.id))
def update(self, table, data, *params):
'''更新数据'''
print("data", data)
rest = self.session.query(table).filter(and_(*params)).update(data)
self.session.commit()
return rest
def delete(self, table, *params):
'''删除数据'''
data = self.session.query(table).filter(and_(*params)).all()
if data:
for item in data:
self.session.delete(item)
self.session.commit()
return True
else:
return False
def main():
obj = MysqlOrmInit()
# 添加数据
data = {
'proportion': '6400x4000',
'url': 'https://www.baidu.com/img/bd_logo1.png'
}
rest = obj.add_one(RES_WIDESCREEN_16_10, data)
print('rest: %s' % rest)
print("rest.id", rest.id)
# 统计条数
# prams = (
# # RES_WIDESCREEN_16_10.id == 2,
# RES_WIDESCREEN_16_10.url == 'https://www.baidu.com/img/bd_logo1.png',
# )
# rest = obj.count(RES_WIDESCREEN_16_10, *prams)
# print("统计条数", rest)
# 查询一条数据
# prams = (
# RES_WIDESCREEN_16_10.url == 'https://www.baidu.com/img/bd_logo1.png',
# )
# rest = obj.get_one(RES_WIDESCREEN_16_10, *prams)
# print("一条数据", rest.to_json())
# 查询多条数据
# prams = (
# # RES_WIDESCREEN_16_10.id == 2,
# RES_WIDESCREEN_16_10.url == 'https://www.baidu.com/img/bd_logo1.png',
# )
# rest = obj.get_many(RES_WIDESCREEN_16_10, *prams)
# data = []
# for x in rest:
# data.append(x.to_json())
# print(data)
# 更新数据
# prams = (
# # RES_WIDESCREEN_16_10.id == 2,
# RES_WIDESCREEN_16_10.url == 'https://www.baidu.com/img/bd_logo1.png',
# )
# data = {
# RES_WIDESCREEN_16_10.url: 'url123',
# RES_WIDESCREEN_16_10.proportion: 'proportion456'
# }
# rest = obj.update(RES_WIDESCREEN_16_10, data, *prams)
# print("更新数据", rest)
# 删除数据
# prams = (
# # RES_WIDESCREEN_16_10.id == 13,
# RES_WIDESCREEN_16_10.url == 'url123',
# )
# rest = obj.delete(RES_WIDESCREEN_16_10, *prams)
# print("删除数据", rest)
if __name__ == "__main__":
Base.metadata.create_all(engine)
# main()