Create orm.py

plugins/mysql/bak/orm.py

@@ -0,0 +1,291 @@
+# coding: utf-8
+
+import re
+import os
+import sys
+
+import pymysql.cursors
+
+
+class ORM:
+    __DB_PASS = None
+    __DB_USER = 'root'
+    __DB_PORT = 3306
+    __DB_NAME = ''
+    __DB_HOST = 'localhost'
+    __DB_CONN = None
+    __DB_CUR = None
+    __DB_ERR = None
+    __DB_CNF = '/etc/my.cnf'
+    __DB_SOCKET = '/www/server/mysql/mysql.sock'
+    __DB_CHARSET = "utf8"
+
+    # orm
+    __DB_TABLE = ""             # 被操作的表名称
+    __OPT_WHERE = ""            # where条件
+    __OPT_LIMIT = ""            # limit条件
+    __OPT_GROUP = ""            # group条件
+    __OPT_ORDER = ""            # order条件
+    __OPT_FIELD = "*"           # field条件
+    __OPT_PARAM = ()            # where值
+
+    def __Conn(self):
+        '''连接数据库'''
+        try:
+
+            if os.path.exists(self.__DB_SOCKET):
+                try:
+                    self.__DB_CONN = pymysql.connect(host=self.__DB_HOST, user=self.__DB_USER, passwd=self.__DB_PASS,
+                                                     database=self.__DB_NAME,
+                                                     port=int(self.__DB_PORT), charset=self.__DB_CHARSET, connect_timeout=1,
+                                                     unix_socket=self.__DB_SOCKET, cursorclass=pymysql.cursors.DictCursor)
+                except Exception as e:
+                    self.__DB_HOST = '127.0.0.1'
+                    self.__DB_CONN = pymysql.connect(host=self.__DB_HOST, user=self.__DB_USER, passwd=self.__DB_PASS,
+                                                     database=self.__DB_NAME,
+                                                     port=int(self.__DB_PORT), charset=self.__DB_CHARSET, connect_timeout=1,
+                                                     unix_socket=self.__DB_SOCKET, cursorclass=pymysql.cursors.DictCursor)
+            else:
+                try:
+                    self.__DB_CONN = pymysql.connect(host=self.__DB_HOST, user=self.__DB_USER, passwd=self.__DB_PASS,
+                                                     database=self.__DB_NAME,
+                                                     port=int(self.__DB_PORT), charset=self.__DB_CHARSET, connect_timeout=1,
+                                                     cursorclass=pymysql.cursors.DictCursor)
+                except Exception as e:
+                    self.__DB_HOST = '127.0.0.1'
+                    self.__DB_CONN = pymysql.connect(host=self.__DB_HOST, user=self.__DB_USER, passwd=self.__DB_PASS,
+                                                     database=self.__DB_NAME,
+                                                     port=int(self.__DB_PORT), charset=self.__DB_CHARSET, connect_timeout=1,
+                                                     cursorclass=pymysql.cursors.DictCursor)
+
+            self.__DB_CUR = self.__DB_CONN.cursor()
+            return True
+        except Exception as e:
+            self.__DB_ERR = e
+            return False
+
+    def setDbConf(self, conf):
+        self.__DB_CNF = conf
+
+    def setSocket(self, sock):
+        self.__DB_SOCKET = sock
+
+    def setCharset(self, charset):
+        self.__DB_CHARSET = charset
+
+    def setHost(self, host):
+        self.__DB_HOST = host
+
+    def setPort(self, port):
+        self.__DB_PORT = port
+
+    def setUser(self, user):
+        self.__DB_USER = user
+
+    def setPwd(self, pwd):
+        self.__DB_PASS = pwd
+
+    def getPwd(self):
+        return self.__DB_PASS
+
+    def setDbName(self, name):
+        self.__DB_NAME = name
+
+    def execute(self, sql, param=()):
+        # 执行SQL语句返回受影响行
+        if not self.__Conn():
+            return self.__DB_ERR
+        try:
+            result = self.__DB_CUR.execute(sql,param)
+            self.__DB_CONN.commit()
+            self.__Close()
+            return result
+        except Exception as ex:
+            return ex
+
+    def query(self, sql, param=()):
+        # 执行SQL语句返回数据集
+        if not self.__Conn():
+            return self.__DB_ERR
+        try:
+            self.__DB_CUR.execute(sql,param)
+            result = self.__DB_CUR.fetchall()
+            # print(result)
+            # 将元组转换成列表
+            # data = map(list, result)
+            self.__Close()
+            return result
+        except Exception as ex:
+            return ex
+
+    def __Close(self):
+        # 关闭连接
+        self.__DB_CUR.close()
+        self.__DB_CONN.close()
+
+
+    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 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 andWhere(self, where, param):
+        # WHERE条件
+        if where:
+            self.__OPT_WHERE = self.__OPT_WHERE + " and " + where
+            # print(param)
+            # print(self.__OPT_PARAM)
+            self.__OPT_PARAM = self.__OPT_PARAM + param
+        return self
+
+    def order(self, order):
+        # ORDER条件
+        if len(order):
+            self.__OPT_ORDER = " ORDER BY " + order
+        else:
+            self.__OPT_ORDER = ""
+        return self
+
+    def group(self, group):
+        if len(group):
+            self.__OPT_GROUP = " GROUP BY " + group
+        else:
+            self.__OPT_GROUP = ""
+        return self
+
+    def limit(self, limit):
+        # LIMIT条件
+        if len(limit):
+            self.__OPT_LIMIT = " LIMIT " + limit
+        else:
+            self.__OPT_LIMIT = ""
+        return self
+
+    def field(self, field):
+        # FIELD条件
+        if len(field):
+            self.__OPT_FIELD = field
+        return self
+
+    def find(self):
+        # 取一行数据
+        result = self.limit("1").select()
+        # print(result)
+        if len(result) == 1:
+            return result[0]
+        return result
+
+    def select(self):
+        # 查询数据集
+        
+        sql = "SELECT " + self.__OPT_FIELD + " FROM " + self.__DB_TABLE + \
+            self.__OPT_WHERE + self.__OPT_GROUP + self.__OPT_ORDER + self.__OPT_LIMIT
+        # print(sql)
+        # print(self.__OPT_PARAM)
+        result = self.query(sql, self.__OPT_PARAM)
+        return result
+
+    def getField(self, keyName):
+        # 取回指定字段
+        result = self.field(keyName).select()
+        # print(result[0][keyName])
+        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,))
+
+    # 构造数据
+    def __format_pdata(self, pdata):
+        keys = pdata.keys()
+        keys_str = ','.join(keys)
+        param = []
+        for k in keys:
+            param.append(pdata[k])
+        return keys_str, tuple(param)
+
+    def delete(self, id=None):
+        # 删除数据
+     
+        if id:
+            self.__OPT_WHERE = " WHERE id=%s"
+            self.__OPT_PARAM = (id,)
+        sql = "DELETE FROM " + self.__DB_TABLE + self.__OPT_WHERE
+        # print(sql)
+        result = self.execute(sql, self.__OPT_PARAM)
+        return result
+
+
+    def save(self, keys, param):
+        # 更新数据
+
+        opt = ""
+        for key in keys.split(','):
+            opt += key + "=%s,"
+        opt = opt[0:len(opt) - 1]
+        sql = "UPDATE " + self.__DB_TABLE + " SET " + opt + self.__OPT_WHERE
+
+        # 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)
+
+        # print(sql,self.__OPT_PARAM)
+        result = self.execute(sql, self.__OPT_PARAM)
+        return result
+
+    # 更新数据
+    def update(self, pdata):
+        if not pdata:
+            return False
+        keys, param = self.__format_pdata(pdata)
+        return self.save(keys, param)
+
+    def add(self, keys, param):
+        # 插入数据
+        values = ""
+        for key in keys.split(','):
+            values += "%s,"
+        values = self.checkInput(values[0:len(values) - 1])
+        sql = "INSERT INTO " + self.__DB_TABLE + \
+            "(" + keys + ") " + "VALUES(" + values + ")"
+
+        # print(sql)
+        result = self.execute(sql, param)
+        return result
+
+
+
+
+
+
+