(原创)模板字符串(短信,邮件..) 与 类实例 匹配替换的简单解决方案

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public class TemplateTransferConfig
{
public Type ClassType { get; set; }

/// <summary>
/// 如果ClassType不为空,则该字段代表字段名.如果为空,则为变量占位符
/// </summary>
public String FieldName { get; set; }
public String Format { get; set; }

}

public class Customer
{
public int CustomerId { get; set; }
public String Name { get; set; }
public string Phone { get; set; }
}
public class TreadeRecord
{
/// <summary>
/// 用户Id
/// </summary>
public int CustomerId { get; set; }

/// <summary>
/// 还款金额
/// </summary>
public decimal Amount { get; set; }

}

public class TemplateTransfer
{
static readonly Dictionary<string, TemplateTransferConfig> _dict = new Dictionary<string, TemplateTransferConfig>();

static TemplateTransfer()
{
var a = new TemplateTransferConfig()
{
ClassType = typeof(TreadeRecord),
FieldName = "Amount",
Format = "N2"
};
_dict.Add("【交易金额】", a);
a = new TemplateTransferConfig()
{
ClassType = typeof(TreadeRecord),
FieldName = "Amount",
Format = "N0"
};
_dict.Add("【交易金额(整数)】", a);
a = new TemplateTransferConfig()
{
ClassType = null,
FieldName = "{0}",
Format = null
zz };
_dict.Add("【还款时间】", a);
a = new TemplateTransferConfig()
{
ClassType = typeof(Customer),
FieldName = "Name",
Format = null
};
_dict.Add("【客户名称】", a);
a = new TemplateTransferConfig()
{
ClassType = typeof(Customer),
FieldName = "Phone",
Format = null
};
_dict.Add("【客户电话】", a);

a = new TemplateTransferConfig()
{
ClassType = null,
FieldName = "{1}",
Format = null
};
_dict.Add("【公司签名】", a);

}
public static String FormatData(string data, object[] instanceArr, params string[] args)
{

foreach (var kv in _dict)
{
var key = kv.Key;
if (data.Contains(key))
{
var a = kv.Value;
if (a.ClassType != null)
{
object instance = getInstanceByType(a.ClassType, instanceArr);
PropertyInfo propertyInfo = a.ClassType.GetProperty(a.FieldName);
var v = propertyInfo.GetValue(instance);
MethodInfo method;
if (String.IsNullOrEmpty(a.Format))
method = propertyInfo.PropertyType.GetMethod("ToString", new Type[] { });
else
method = propertyInfo.PropertyType.GetMethod("ToString", new Type[] { typeof(string) });
object r;
if (String.IsNullOrEmpty(a.Format))
r = method.Invoke(v, new object[] { });
else
r = method.Invoke(v, new object[] { a.Format });
data = data.Replace(key, r.ToString());
}
else
{
data = data.Replace(key, a.FieldName);
}

}

}
data = string.Format(data, args);
return data;
}

static object getInstanceByType(Type type, object[] instanceArr)
{
foreach (var item in instanceArr)
{
if (item.GetType().FullName == type.FullName)
{
return item;
}
}
return null;
}
}

class Program
{



static void Main(string[] args)
{
string rawData = "尊敬的【客户名称】先生/女士，您的账户于【还款时间】收到【交易金额(整数)】元，登录中国银行即可查看账户余额。【【公司签名】】";
var paymentResult = new TreadeRecord() { Amount = 34341 };
var customer=new Customer(){Name = "张三哥"};
string data =TemplateTransfer. FormatData(rawData, new object[] { paymentResult, customer }, DateTime.Now.ToString("yyyy-MM-dd"),"中国银行");
Console.WriteLine(data);
Console.Read();
}
}

(原创)模板字符串(短信,邮件..) 与 类实例 匹配替换的简单解决方案

标签：

原文地址：http://www.cnblogs.com/zhshlimi/p/5485890.html