using HMI.Core.Entity;
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using HMI.Core.Util;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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namespace HMI.Core.Manager
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{
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/// <summary>
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/// TODO 优化数据源,需要支持sqlite和xml
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/// </summary>
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public class ParameterManager
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{
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/// <summary>
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/// 获取通用参数
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <returns></returns>
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public static T GetCommonParameter<T>() where T : IList<ParameterData>
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{
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string path = PathHelper.ParameterDataPath;
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if (!File.Exists(path)) return default(T);
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T datas = XmlHelper.DeserializeFromXml<T>(path);
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return datas;
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}
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/// <summary>
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/// 获取通用参数
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <returns></returns>
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public static ParameterData GetCommonParameterByName(string name)
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{
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string path = PathHelper.ParameterDataPath;
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if (!File.Exists(path)) return null;
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List<ParameterData> datas = XmlHelper.DeserializeFromXml<List<ParameterData>>(path);
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return datas.FirstOrDefault(d => d.Name == name);
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}
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/// <summary>
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/// 保存通用参数
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/// </summary>
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/// <param name="datas"></param>
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/// <exception cref="Exception"></exception>
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public static void SaveCommonParameter(IList<ParameterData> datas)
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{
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if (datas == null)
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{
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throw new Exception("不能为null");
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}
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string path = PathHelper.ParameterDataPath;
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XmlHelper.SerializeToXml(path, datas);
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}
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public static string GetCommonParameterValue(string path, string name)
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{
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if (!File.Exists(path)) return null;
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List<ParameterData> datas = XmlHelper.DeserializeFromXml<List<ParameterData>>(path);
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ParameterData data = datas.FirstOrDefault(d => d.Name == name);
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if (data == null) return null;
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return data.Value;
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}
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}
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}
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