114 lines
4.3 KiB
C#
114 lines
4.3 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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namespace GSYWApi.Helper
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{
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/// <summary>
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/// redis数据库帮助类
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/// </summary>
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public class DataHelper
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{
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#region 方法 -> 从Redis缓存中判断是否已存在数据
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/// <summary>
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/// 从Redis缓存中判断是否已存在数据
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/// </summary>
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/// <typeparam name="T">泛型对象</typeparam>
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/// <param name="tableName">表名称</param>
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/// <param name="KeyValue">键值</param>
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/// <param name="redisHelper">redis数据库连接</param>
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/// <returns></returns>
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public static bool ContainData<T>(string tableName, string KeyValue, RedisHelper redisHelper)
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{
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//从Redis的db0数据库中获取信息
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T InfoModel = redisHelper.HashGet<T>(tableName, KeyValue);
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if (InfoModel != null)
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{
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return true;
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}
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return false;
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}
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#endregion
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#region 方法 -> 将数据记录Redis缓存中
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/// <summary>
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/// 将数据记录Redis缓存中
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/// </summary>
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/// <typeparam name="T">泛型对象</typeparam>
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/// <param name="ObjectModel">保存到redis数据中的ObjectModel</param>
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/// <param name="tableName">数据表名称</param>
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/// <param name="KeyName">数据键值名称</param>
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/// <param name="KeyValue">数据键值，若为空则取键值名称对应的值</param>
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/// <param name="redisHelper">redis数据库连接</param>
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/// <param name="DeleteFlag">若存在相同的键值，是否要先删除再插入</param>
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/// <returns></returns>
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public static bool RecordToRedis<T>(T ObjectModel, string tableName, string KeyName,
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RedisHelper redisHelper, bool DeleteFlag = false, string KeyValue = "")
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{
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//获取item对象类型
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var pros = typeof(T).GetProperties();
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if (string.IsNullOrWhiteSpace(KeyValue))
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{
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foreach (var item in pros)
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{
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if (item.Name == KeyName)
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{
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//获取字段对应的值，作为hash对象的唯一键值
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KeyValue = item.GetValue(ObjectModel, null).ToString();
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break;
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}
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}
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}
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//若要先删除再插入，则找到相同的键值数据进行删除
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if (DeleteFlag && redisHelper.HashExists(tableName, KeyValue))
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{
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redisHelper.HashDelete(tableName, KeyValue);
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}
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//写入Redis的数据库
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return redisHelper.HashSet(tableName, KeyValue, ObjectModel);
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}
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/// <summary>
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/// 将数据记录Redis缓存中
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/// </summary>
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/// <typeparam name="T">泛型对象</typeparam>
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/// <param name="listData">保存到redis数据中的list数据集</param>
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/// <param name="tableName">数据表名称</param>
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/// <param name="KeyName">数据键值</param>
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/// <param name="redisHelper">redis数据库连接</param>
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/// <param name="DeleteFlag">若存在相同的键值，是否要先删除再插入</param>
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/// <returns></returns>
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public static bool RecordToRedis<T>(List<T> listData, string tableName, string KeyName,
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RedisHelper redisHelper, bool DeleteFlag = false)
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{
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bool flag = false;
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foreach (T model in listData)
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{
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//写入Redis的数据库
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flag = RecordToRedis(model, tableName, KeyName, redisHelper, DeleteFlag);
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}
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return flag;
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}
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#endregion
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#region 方法 -> 获取缓存数据集合List
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/// <summary>
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/// 获取缓存数据集合List
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/// </summary>
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/// <typeparam name="T">泛型对象</typeparam>
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/// <param name="tableName">redis表名</param>
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/// <param name="redisHelper">redis数据库链接</param>
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/// <returns></returns>
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public static List<T> GetListData<T>(string tableName, RedisHelper redisHelper)
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{
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//从缓存中获取营收趋势数据
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List<T> ListData = redisHelper.HashGetList<T>(tableName).ToList();
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return ListData;
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}
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#endregion
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}
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} |