上位机学习记录(5) 日志ini 与json读取配置文件
上位机学习记录(5) 日志ini 与json读取配置文件
（一） 代码
IniConfigHelper.cs
public class IniConfigHelper
{
#region API函数声明
[DllImport("kernel32")]
private static extern long WritePrivateProfileString(string section, string key,
string val, string filePath);
//需要调用GetPrivateProfileString的重载
[DllImport("kernel32", EntryPoint = "GetPrivateProfileString")]
private static extern long GetPrivateProfileString(string section, string key,
string def, StringBuilder retVal, int size, string filePath);
[DllImport("kernel32", EntryPoint = "GetPrivateProfileString")]
private static extern uint GetPrivateProfileStringA(string section, string key,
string def, byte[] retVal, int size, string filePath);
#endregion
public static string filePath = string.Empty;
#region 读Ini文件
public static string ReadIniData(string Section, string Key, string NoText)
{
return ReadIniData(Section, Key, NoText, filePath);
}
public static string ReadIniData(string Section, string Key, string NoText, string iniFilePath)
{
if (File.Exists(iniFilePath))
{
StringBuilder temp = new StringBuilder(1024);
GetPrivateProfileString(Section, Key, NoText, temp, 1024, iniFilePath);
return temp.ToString();
}
else return String.Empty;
}
#endregion
#region 写Ini文件
public static bool WriteIniData(string Section, string Key, string Value)
{
return WriteIniData(Section, Key, Value, filePath);
}
public static bool WriteIniData(string Section, string Key, string Value, string iniFilePath)
{
if (File.Exists(iniFilePath))
{
long OpStation = WritePrivateProfileString(Section, Key, Value, iniFilePath);
if (OpStation == 0)
return false;
else return true;
}
else return false;
}
#endregion
#region 获取所有的Sections
/// <summary>
/// 获取所有的Sections
/// </summary>
/// <param name="iniFilename">文件路径</param>
/// <returns>Sections集合</returns>
public static List<string> ReadSections(string iniFilename)
{
List<string> result = new List<string>();
Byte[] buf = new Byte[65536];
uint len = GetPrivateProfileStringA(null, null, null, buf, buf.Length, iniFilename);
int j = 0;
for (int i = 0; i < len; i++)
if (buf[i] == 0)
{
result.Add(Encoding.Default.GetString(buf, j, i - j));
j = i + 1;
}
return result;
}
#endregion
#region 获取指定Section下的所有Keys
/// <summary>
/// 获取指定Section下的所有Keys
/// </summary>
/// <param name="SectionName">SectionName</param>
/// <param name="iniFilename">文件路径</param>
/// <returns>Keys集合</returns>
public static List<string> ReadKeys(string SectionName, string iniFilename)
{
List<string> result = new List<string>();
Byte[] buf = new Byte[65536];
uint len = GetPrivateProfileStringA(SectionName, null, null, buf, buf.Length, iniFilename);
int j = 0;
for (int i = 0; i < len; i++)
if (buf[i] == 0)
{
result.Add(Encoding.Default.GetString(buf, j, i - j));
j = i + 1;
}
return result;
}
#endregion
}
JSONHelper.cs
public class JSONHelper
{
/// <summary>
/// 实体对象转换成JSON字符串
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="x"></param>
/// <returns></returns>
public static string EntityToJSON<T>(T x)
{
string result = string.Empty;
try
{
result = JsonConvert.SerializeObject(x);
}
catch (Exception)
{
result = string.Empty;
}
return result;
}
/// <summary>
/// JSON字符串转换成实体类
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="json"></param>
/// <returns></returns>
public static T JSONToEntity<T>(string json)
{
T t = default(T);
try
{
t = (T)JsonConvert.DeserializeObject(json, typeof(T));
}
catch (Exception)
{
t = default(T);
}
return t;
}
}
JSONHelper用法
///json转换成BasicParam对象
BasicParam basicParam = JSONHelper.JSONToEntity<BasicParam>(jsonbasic);
///将BasicParam转换成JSON字符串
string json = JSONHelper.EntityToJSON(basicParam);
（二）使用泛型的方法快速设置与存储数值
#region 对象属性操作
/// <summary>
/// 通过属性名称获取值
/// </summary>
/// <typeparam name="T">对象类型</typeparam>
/// <param name="obj">对象</param>
/// <param name="propertyName">属性名称</param>
/// <returns>返回值</returns>
private string GetObjectPropertyValue<T>(T obj, string propertyName)
{
try
{
Type type = typeof(T);
PropertyInfo property = type.GetProperty(propertyName);
if (property == null) return string.Empty;
object val = property.GetValue(obj, null);
return val?.ToString();
}
catch (Exception ex)
{
LogHelper.Info("通过属性名称获取值", ex);
return null;
}
}
/// <summary>
/// 通过属性名称设置值
/// </summary>
/// <typeparam name="T">对象类型</typeparam>
/// <param name="obj">对象</param>
/// <param name="propertyName">属性名称</param>
/// <param name="value">值</param>
/// <returns>是否成功</returns>
private bool SetObjectPropertyValue<T>(T obj, string propertyName, string value)
{
try
{
Type type = typeof(T);
object t = Convert.ChangeType(value, type.GetProperty(propertyName).PropertyType);
type.GetProperty(propertyName).SetValue(obj, t, null);
return true;
}
catch (Exception ex)
{
LogHelper.Info("通过属性名称设置值", ex);
return false;
}
}
#region 对象属性操作
/// <summary>
/// 通过属性名称获取值
/// </summary>
/// <typeparam name="T">对象类型</typeparam>
/// <param name="obj">对象</param>
/// <param name="propertyName">属性名称</param>
/// <returns>返回值</returns>
private string GetObjectPropertyValue<T>(T obj, string propertyName)
{
try
{
Type type = typeof(T);
PropertyInfo property = type.GetProperty(propertyName);
if (property == null) return string.Empty;
object val = property.GetValue(obj, null);
return val?.ToString();
}
catch (Exception ex)
{
LogHelper.Info("通过属性名称获取值", ex);
return null;
}
}
/// <summary>
/// 通过属性名称设置值
/// </summary>
/// <typeparam name="T">对象类型</typeparam>
/// <param name="obj">对象</param>
/// <param name="propertyName">属性名称</param>
/// <param name="value">值</param>
/// <returns>是否成功</returns>
private bool SetObjectPropertyValue<T>(T obj, string propertyName, string value)
{
try
{
Type type = typeof(T);
object t = Convert.ChangeType(value, type.GetProperty(propertyName).PropertyType);
type.GetProperty(propertyName).SetValue(obj, t, null);
return true;
}
catch (Exception ex)
{
LogHelper.Info("通过属性名称设置值", ex);
return false;
}
}
#endregion
/// <summary>
/// 加载参数，这个所有的控件都在一个tabPage上
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="tabPage"></param>
/// <param name="obj"></param>
private void LoadParam<T>(TabPage tabPage, T obj)
{
foreach (var item in tabPage.Controls)
{
if (item is NumericUpDown numeric)
{
//拿到属性名称
string propertyName = numeric.Name;
//通过属性拿到值
string value = GetObjectPropertyValue(obj, propertyName);
if (value != null && value.Length > 0)
{
if (decimal.TryParse(value, out decimal val))
{
numeric.Value = val;
}
}
}
else if (item is ComboBox cmb)
{
//拿到属性名称
string propertyName = cmb.Name;
cmb.Text = GetObjectPropertyValue(obj, propertyName);
}
}
}
/// <summary>
/// 修改参数
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="paramType"></param>
/// <param name="obj"></param>
private void ModifyParam<T>(string paramType, T obj)
{
StringBuilder sb = new StringBuilder();
foreach (var item in this.MainTab.SelectedTab.Controls)
{
if (item is NumericUpDown numeric)
{
//获取属性名称
string propertyName = numeric.Name;
//获取对象里的值
string value = GetObjectPropertyValue(obj, propertyName);
if (numeric.Value.ToString() != value)
{
//添加修改记录
sb.Append(numeric.Tag.ToString() + "修改为：" + numeric.Value.ToString() + " ");
SetObjectPropertyValue(obj, propertyName, numeric.Value.ToString());
}
}
else if (item is ComboBox cmb)
{
//获取属性名称
string propertyName = cmb.Name;
//获取对象里的值
string value = GetObjectPropertyValue(obj, propertyName);
if (cmb.Text != value)
{
//添加修改记录
sb.Append(cmb.Tag.ToString() + "修改为：" + cmb.Text.ToString() + " ");
SetObjectPropertyValue(obj, propertyName, cmb.Text);
}
}
}
if (sb.ToString().Length > 0)
{
OperationResult result = paramType == "基础参数" ? motionEx.SaveBasicParam() : motionEx.SaveAdvancedParam();
if (result.IsSuccess)
{
if (!SystemLogService.AddSystemLog(new SystemLog(sb.ToString(), "触发", AlarmType.操作记录, Program.sysAdmin.LoginName)))
{
LogHelper.Error("操作记录信息写入数据库出错");
}
new FrmConfirmSingle("参数修改", paramType + "修改成功") { TopMost = true }.ShowDialog();
}
else
{
new FrmConfirmSingle("参数修改", paramType + "修改失败") { TopMost = true }.ShowDialog();
}
}
else
{
new FrmConfirmSingle("参数修改", "参数未做任何修改") { TopMost = true }.ShowDialog();
}
}
