mirror of https://github.com/midoks/mdserver-web
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
277 lines
8.2 KiB
277 lines
8.2 KiB
7 years ago
|
# coding: utf-8
|
||
|
|
|
||
|
|
|
||
|
|
import sqlite3
|
||
|
|
import os
|
||
|
|
|
||
|
|
|
||
|
|
class Sql():
|
||
|
|
#------------------------------
|
||
|
|
# 数据库操作类 For sqlite3
|
||
|
|
#------------------------------
|
||
|
|
__DB_FILE = None # 数据库文件
|
||
|
|
__DB_CONN = None # 数据库连接对象
|
||
|
|
__DB_TABLE = "" # 被操作的表名称
|
||
|
|
__OPT_WHERE = "" # where条件
|
||
|
|
__OPT_LIMIT = "" # limit条件
|
||
|
|
__OPT_ORDER = "" # order条件
|
||
|
|
__OPT_FIELD = "*" # field条件
|
||
|
|
__OPT_PARAM = () # where值
|
||
|
|
|
||
|
|
def __init__(self):
|
||
|
|
self.__DB_FILE = 'data/default.db'
|
||
|
|
|
||
|
|
def __GetConn(self):
|
||
|
|
# 取数据库对象
|
||
|
|
try:
|
||
|
|
if self.__DB_CONN == None:
|
||
|
|
self.__DB_CONN = sqlite3.connect(self.__DB_FILE)
|
||
|
|
except Exception, ex:
|
||
|
|
return "error: " + str(ex)
|
||
|
|
|
||
|
|
def dbfile(self, name):
|
||
|
|
self.__DB_FILE = 'data/' + name + '.db'
|
||
|
|
return self
|
||
|
|
|
||
|
|
def table(self, table):
|
||
|
|
# 设置表名
|
||
|
|
self.__DB_TABLE = table
|
||
|
|
return self
|
||
|
|
|
||
|
|
def where(self, where, param):
|
||
|
|
# WHERE条件
|
||
|
|
if where:
|
||
|
|
self.__OPT_WHERE = " WHERE " + where
|
||
|
|
self.__OPT_PARAM = param
|
||
|
|
return self
|
||
|
|
|
||
|
|
def order(self, order):
|
||
|
|
# ORDER条件
|
||
|
|
if len(order):
|
||
|
|
self.__OPT_ORDER = " ORDER BY " + order
|
||
|
|
return self
|
||
|
|
|
||
|
|
def limit(self, limit):
|
||
|
|
# LIMIT条件
|
||
|
|
if len(limit):
|
||
|
|
self.__OPT_LIMIT = " LIMIT " + limit
|
||
|
|
return self
|
||
|
|
|
||
|
|
def field(self, field):
|
||
|
|
# FIELD条件
|
||
|
|
if len(field):
|
||
|
|
self.__OPT_FIELD = field
|
||
|
|
return self
|
||
|
|
|
||
|
|
def select(self):
|
||
|
|
# 查询数据集
|
||
|
|
self.__GetConn()
|
||
|
|
try:
|
||
|
|
sql = "SELECT " + self.__OPT_FIELD + " FROM " + self.__DB_TABLE + \
|
||
|
|
self.__OPT_WHERE + self.__OPT_ORDER + self.__OPT_LIMIT
|
||
|
|
result = self.__DB_CONN.execute(sql, self.__OPT_PARAM)
|
||
|
|
data = result.fetchall()
|
||
|
|
# 构造字曲系列
|
||
|
|
if self.__OPT_FIELD != "*":
|
||
|
|
field = self.__OPT_FIELD.split(',')
|
||
|
|
tmp = []
|
||
|
|
for row in data:
|
||
|
|
i = 0
|
||
|
|
tmp1 = {}
|
||
|
|
for key in field:
|
||
|
|
tmp1[key] = row[i]
|
||
|
|
i += 1
|
||
|
|
tmp.append(tmp1)
|
||
|
|
del(tmp1)
|
||
|
|
data = tmp
|
||
|
|
del(tmp)
|
||
|
|
else:
|
||
|
|
# 将元组转换成列表
|
||
|
|
tmp = map(list, data)
|
||
|
|
data = tmp
|
||
|
|
del(tmp)
|
||
|
|
self.__close()
|
||
|
|
return data
|
||
|
|
except Exception, ex:
|
||
|
|
return "error: " + str(ex)
|
||
|
|
|
||
|
|
def getField(self, keyName):
|
||
|
|
# 取回指定字段
|
||
|
|
result = self.field(keyName).select()
|
||
|
|
if len(result) == 1:
|
||
|
|
return result[0][keyName]
|
||
|
|
return result
|
||
|
|
|
||
|
|
def setField(self, keyName, keyValue):
|
||
|
|
# 更新指定字段
|
||
|
|
return self.save(keyName, (keyValue,))
|
||
|
|
|
||
|
|
def find(self):
|
||
|
|
# 取一行数据
|
||
|
|
result = self.limit("1").select()
|
||
|
|
if len(result) == 1:
|
||
|
|
return result[0]
|
||
|
|
return result
|
||
|
|
|
||
|
|
def count(self):
|
||
|
|
# 取行数
|
||
|
|
key = "COUNT(*)"
|
||
|
|
data = self.field(key).select()
|
||
|
|
try:
|
||
|
|
return int(data[0][key])
|
||
|
|
except:
|
||
|
|
return 0
|
||
|
|
|
||
|
|
def add(self, keys, param):
|
||
|
|
# 插入数据
|
||
|
|
self.__GetConn()
|
||
|
|
self.__DB_CONN.text_factory = str
|
||
|
|
try:
|
||
|
|
values = ""
|
||
|
|
for key in keys.split(','):
|
||
|
|
values += "?,"
|
||
|
|
values = self.checkInput(values[0:len(values) - 1])
|
||
|
|
sql = "INSERT INTO " + self.__DB_TABLE + \
|
||
|
|
"(" + keys + ") " + "VALUES(" + values + ")"
|
||
|
|
result = self.__DB_CONN.execute(sql, param)
|
||
|
|
id = result.lastrowid
|
||
|
|
self.__close()
|
||
|
|
self.__DB_CONN.commit()
|
||
|
|
return id
|
||
|
|
except Exception, ex:
|
||
|
|
return "error: " + str(ex)
|
||
|
|
|
||
|
|
def checkInput(self, data):
|
||
|
|
if not data:
|
||
|
|
return data
|
||
|
|
if type(data) != str:
|
||
|
|
return data
|
||
|
|
checkList = [
|
||
|
|
{'d': '<', 'r': '＜'},
|
||
|
|
{'d': '>', 'r': '＞'},
|
||
|
|
{'d': '\'', 'r': '‘'},
|
||
|
|
{'d': '"', 'r': '“'},
|
||
|
|
{'d': '&', 'r': '＆'},
|
||
|
|
{'d': '#', 'r': '＃'},
|
||
|
|
{'d': '<', 'r': '＜'}
|
||
|
|
]
|
||
|
|
for v in checkList:
|
||
|
|
data = data.replace(v['d'], v['r'])
|
||
|
|
return data
|
||
|
|
|
||
|
|
def addAll(self, keys, param):
|
||
|
|
# 插入数据
|
||
|
|
self.__GetConn()
|
||
|
|
self.__DB_CONN.text_factory = str
|
||
|
|
try:
|
||
|
|
values = ""
|
||
|
|
for key in keys.split(','):
|
||
|
|
values += "?,"
|
||
|
|
values = values[0:len(values) - 1]
|
||
|
|
sql = "INSERT INTO " + self.__DB_TABLE + \
|
||
|
|
"(" + keys + ") " + "VALUES(" + values + ")"
|
||
|
|
result = self.__DB_CONN.execute(sql, param)
|
||
|
|
return True
|
||
|
|
except Exception, ex:
|
||
|
|
return "error: " + str(ex)
|
||
|
|
|
||
|
|
def commit(self):
|
||
|
|
self.__close()
|
||
|
|
self.__DB_CONN.commit()
|
||
|
|
|
||
|
|
def save(self, keys, param):
|
||
|
|
# 更新数据
|
||
|
|
self.__GetConn()
|
||
|
|
self.__DB_CONN.text_factory = str
|
||
|
|
try:
|
||
|
|
opt = ""
|
||
|
|
for key in keys.split(','):
|
||
|
|
opt += key + "=?,"
|
||
|
|
opt = opt[0:len(opt) - 1]
|
||
|
|
sql = "UPDATE " + self.__DB_TABLE + " SET " + opt + self.__OPT_WHERE
|
||
|
|
|
||
|
|
import public
|
||
|
|
public.writeFile('/tmp/test.pl', sql)
|
||
|
|
|
||
|
|
# 处理拼接WHERE与UPDATE参数
|
||
|
|
tmp = list(param)
|
||
|
|
for arg in self.__OPT_PARAM:
|
||
|
|
tmp.append(arg)
|
||
|
|
self.__OPT_PARAM = tuple(tmp)
|
||
|
|
result = self.__DB_CONN.execute(sql, self.__OPT_PARAM)
|
||
|
|
self.__close()
|
||
|
|
self.__DB_CONN.commit()
|
||
|
|
return result.rowcount
|
||
|
|
except Exception, ex:
|
||
|
|
return "error: " + str(ex)
|
||
|
|
|
||
|
|
def delete(self, id=None):
|
||
|
|
# 删除数据
|
||
|
|
self.__GetConn()
|
||
|
|
try:
|
||
|
|
if id:
|
||
|
|
self.__OPT_WHERE = " WHERE id=?"
|
||
|
|
self.__OPT_PARAM = (id,)
|
||
|
|
sql = "DELETE FROM " + self.__DB_TABLE + self.__OPT_WHERE
|
||
|
|
result = self.__DB_CONN.execute(sql, self.__OPT_PARAM)
|
||
|
|
self.__close()
|
||
|
|
self.__DB_CONN.commit()
|
||
|
|
return result.rowcount
|
||
|
|
except Exception, ex:
|
||
|
|
return "error: " + str(ex)
|
||
|
|
|
||
|
|
def execute(self, sql, param):
|
||
|
|
# 执行SQL语句返回受影响行
|
||
|
|
self.__GetConn()
|
||
|
|
try:
|
||
|
|
result = self.__DB_CONN.execute(sql, param)
|
||
|
|
self.__DB_CONN.commit()
|
||
|
|
return result.rowcount
|
||
|
|
except Exception, ex:
|
||
|
|
return "error: " + str(ex)
|
||
|
|
|
||
|
|
def query(self, sql, param):
|
||
|
|
# 执行SQL语句返回数据集
|
||
|
|
self.__GetConn()
|
||
|
|
try:
|
||
|
|
result = self.__DB_CONN.execute(sql, param)
|
||
|
|
# 将元组转换成列表
|
||
|
|
data = map(list, result)
|
||
|
|
return data
|
||
|
|
except Exception, ex:
|
||
|
|
return "error: " + str(ex)
|
||
|
|
|
||
|
|
def create(self, name):
|
||
|
|
# 创建数据表
|
||
|
|
self.__GetConn()
|
||
|
|
import public
|
||
|
|
script = public.readFile('data/' + name + '.sql')
|
||
|
|
result = self.__DB_CONN.executescript(script)
|
||
|
|
self.__DB_CONN.commit()
|
||
|
|
return result.rowcount
|
||
|
|
|
||
|
|
def fofile(self, filename):
|
||
|
|
# 执行脚本
|
||
|
|
self.__GetConn()
|
||
|
|
import public
|
||
|
|
script = public.readFile(filename)
|
||
|
|
result = self.__DB_CONN.executescript(script)
|
||
|
|
self.__DB_CONN.commit()
|
||
|
|
return result.rowcount
|
||
|
|
|
||
|
|
def __close(self):
|
||
|
|
# 清理条件属性
|
||
|
|
self.__OPT_WHERE = ""
|
||
|
|
self.__OPT_FIELD = "*"
|
||
|
|
self.__OPT_ORDER = ""
|
||
|
|
self.__OPT_LIMIT = ""
|
||
|
|
self.__OPT_PARAM = ()
|
||
|
|
|
||
|
|
def close(self):
|
||
|
|
# 释放资源
|
||
|
|
try:
|
||
|
|
self.__DB_CONN.close()
|
||
|
|
self.__DB_CONN = None
|
||
|
|
except:
|
||
|
|
pass
|