C#实现注册表 LocalMachine 目录下CURD工具类

【1】注册表是什么？
         百度百科 https://baike.baidu.com/item/%E6%B3%A8%E5%86%8C%E8%A1%A8/101856?fr=aladdin

【2】怎么打开注册表？
         Windows+R >>>>>> regedit

【3】C# 源码 

       

/// <summary>
    /// 注册表 CURD 
    /// 在LocalMachine 目录文件下
    /// </summary>
    public class RegeditUtils
    {
        /// <summary>
        /// 注册信息节点是否存在
        /// </summary>
        /// <param name="key">"SOFTWARE\Microsoft"格式</param>
        /// <returns></returns>
        public static bool IsExsits(string key)
        {
            var indicator = true;
            if (Registry.LocalMachine.OpenSubKey(key) == null)
            {
                indicator = false;
            }
            return indicator;
        }
        /// <summary>
        /// 创建注册信息
        /// </summary>
        /// <param name="key">"SOFTWARE\Microsoft"格式</param>
        public static void Create(string key)
        {
            Registry.LocalMachine.CreateSubKey(key);
        }
        /// <summary>
        /// 更新注册表字段值
        /// </summary>
        /// <param name="rsg">传入注册表节点</param>
        /// <param name="name">节点内字段名称</param>
        /// <param name="value">需要设置的值</param>
        public static void Update(RegistryKey rsg,string name,string value)
        {
            if (rsg!=null)
            {
                if (!string.IsNullOrEmpty(name))
                {
                    rsg.SetValue(name, value);  //写入
                }
                rsg.Close();  //关闭
            }
        }
        /// <summary>
        /// 获取注册表节点实体
        /// </summary>
        /// <param name="key">"SOFTWARE\Microsoft"格式</param>
        /// <returns></returns>
        public static RegistryKey Read(string key)
        {
            RegistryKey rsg = Registry.LocalMachine.OpenSubKey(key, true);
            return rsg;
        }

        /// <summary>
        /// 获取注册表节点实体内某个属性的值
        /// </summary>
        /// <param name="key">"SOFTWARE\Microsoft"格式</param>
        /// <param name="prop">传入属性的键值</param>
        /// <returns></returns>
        public static string ReadPropValue(string key,string prop)
        {
            var res = "";
            RegistryKey rsg = Registry.LocalMachine.OpenSubKey(key, true);
            if (rsg!=null)
            {
                var obj =  rsg.GetValue(prop);
                if (obj!=null)
                {
                    res = obj.ToString();
                }
            }
            return res;
        }
        /// <summary>
        /// 删除注册表节点
        /// 
        /// </summary>
        /// <param name="key">"SOFTWARE\Microsoft"格式</param>
        public static void Delete(string key)
        {
            if (IsExsits(key))
            {
                Registry.LocalMachine.DeleteSubKey(key);
            }
        }

        /// <summary>
        /// 创建注册表节点，并对相应字段赋值
        /// </summary>
        /// <param name="key">节点</param>
        /// <param name="name">属性名称</param>
        /// <param name="value">值</param>
        public static void CreateRegedit(string key, string name, string value)
        {
            try
            {

                //判断当前节点是否存在
                if (!IsExsits(key))
                {
                    //不存在该节点，创建节点
                    Create(key);
                }
                //获取该节点
                var rsg = Read(key);
                //该节点字段属性赋值
                Update(rsg, name, value);
            }
            catch (Exception ex)
            {
                Log.Error(ex);
            }

        }
    }

 此博文为原创，转载请注明出处！！！！！