工控上位机控制系统通用UI框架

dbCtrl/clsRecipeTb.py

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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+"""
+# @Time    : 2026/3/6 16:28
+# @Author  : reenrr
+# @File    : clsRecipeTb.py
+# @Desc    : 配方数据库控制器
+"""
+import copy
+
+from common.dbORMType import stuTbRecipe
+from common.generalFunc import CCommon
+from sqliteModule.sqlite_db import g_dbInst
+
+class CTbRecipeMgt:
+    # public
+    def __init__(self):
+        self._m_tbName = 't_proc_info'
+        self._m_record = []           # 存储表中记录，每条记录是一个stuTbRecipe类型
+        self._m_error: str = ''       # 存储反馈的错误信息
+        self._getAllRecipeInfo()      # 读取配方所有信息
+
+        pass
+
+    # 创建配方
+    def addNewRecipe(self, recipeName: str, creator: str) -> bool:
+        """
+        创建新配方
+        :param recipeName: 配方名称
+        :param creator: 创建人
+        :return: 是否创建成功，操作成功返回True，失败返回False
+        """
+        key_list = list(stuTbRecipe.keys())
+        strTime = CCommon.fnGetCurrentTime()
+        update_time = strTime
+        strSqlCmd = ('INSERT INTO ' + self._m_tbName + '(' + key_list[0] + ',' + 
+                     key_list[1] + ',' + key_list[2] + ',' + key_list[3] + ') VALUES (?, ?, ?, ?)')
+        bRes = g_dbInst.execute_sql(strSqlCmd, (recipeName, strTime, update_time, creator))
+        if bRes:
+            # 更新缓存
+            stuTbRecipe[key_list[0]] = recipeName
+            stuTbRecipe[key_list[1]] = strTime
+            stuTbRecipe[key_list[2]] = update_time
+            stuTbRecipe[key_list[3]] = creator
+            other = copy.deepcopy(stuTbRecipe)
+            self._m_record.append(other)
+        return bRes
+
+    # 删除配方
+    def delRecipe(self, recipeNames: list[str]) -> bool:
+        """
+        删除配方
+        :param recipeName: 配方名称列表
+        :return: 是否删除成功，操作成功返回True，失败返回False
+        """
+        if not recipeNames:
+            return False
+        
+        # 支持批量删除
+        key_list = list(stuTbRecipe.keys())
+        placeholders = ','.join(['?'] * len(recipeNames))
+        strSqlCmd = ('DELETE FROM ' + self._m_tbName + ' WHERE ' + key_list[0] + ' IN (' + placeholders + ')')
+        bRes = g_dbInst.execute_sql(strSqlCmd, tuple(recipeNames))
+        if bRes and self._m_record:
+            # 更新缓存
+            nTotal = len(self._m_record)
+            nScan = 0
+            while nScan < nTotal:
+                recipe_name = list(self._m_record[nScan].items())[0][1]
+                if recipe_name in recipeNames:
+                    self._m_record.pop(nScan)
+                    nTotal -= 1
+                    continue
+                nScan += 1
+                
+        return bRes
+    
+    # 读取所有配方名称、创建时间、更新时间、创建者
+    def readRecipeID_time_creator(self) -> list[tuple[str, str, str, str]]:
+        lstRet = []
+        if self._m_record:
+            for item in self._m_record:
+                lstSingle = list(item.items())
+                singleItem = (lstSingle[0][1], lstSingle[1][1], lstSingle[2][1], lstSingle[3][1])
+                lstRet.append(singleItem)        
+        return lstRet
+    
+    # 读取所有配方名称
+    def readAllRecipeNames(self) -> list:
+        lstRet = []
+        if self._m_record:
+            for item in self._m_record:
+                lstRet.append(list(item.items())[0][1])
+        return lstRet
+
+    # 更新配方
+    def updateRecipe(self) -> bool:
+        pass
+    
+    # -------------------------------------------
+    # 获取错误信息
+    def getLastError(self) -> str:
+        return self._m_error
+
+    # private
+    # 读取所有配方信息到缓存
+    def _getAllRecipeInfo(self) -> None:
+        strSqlCmd = 'SELECT * FROM ' + self._m_tbName
+        allRecipes = g_dbInst.fetch_all(strSqlCmd)
+        if allRecipes:
+            theField = list(stuTbRecipe.keys())
+            for recipe in allRecipes:
+                stuTbRecipe[theField[0]] = recipe[0]
+                stuTbRecipe[theField[1]] = recipe[1]
+                stuTbRecipe[theField[2]] = recipe[2]
+                stuTbRecipe[theField[3]] = recipe[3]
+                other = copy.deepcopy(stuTbRecipe)
+                self._m_record.append(other)
+        
+
+# **************************************************************
+g_recipeCtrl = CTbRecipeMgt()       # 全局对象实例
+