/// <summary>
/// 返回指定类型的对象，其值等效于指定字符串对象。
/// </summary>
/// <param name="context"> </param>
/// <param name="input"> 需要转换类型的字符串对象 </param>
/// <param name="outputType"> 换转后的类型 </param>
/// <param name="success"> 是否成功 </param>
protected override ICollection <T> ChangeType(ConvertContext context, string input, Type outputType,
out bool success)
{
input = input.Trim();
if (input.Length == 0)
{
var builder = new ListBuilder(context, outputType);
// ReSharper disable once AssignmentInConditionalExpression
return((success = builder.TryCreateInstance()) ? builder.Instance : null);
}
if ((input[0] == '[') && (input[input.Length - 1] == ']'))
{
try
{
var result = ComponentServices.ToJsonObject(outputType, input);
success = true;
return((ICollection <T>)result);
}
catch (Exception ex)
{
context.AddException(ex);
success = false;
return(null);
}
}
var arr = input.Split(_Separator, StringSplitOptions.None);
return(ChangeType(context, arr, outputType, out success));
}
/// <summary>
/// 返回指定类型的对象，其值等效于指定字符串对象。
/// </summary>
/// <param name="context"> </param>
/// <param name="input"> 需要转换类型的字符串对象 </param>
/// <param name="outputType"> 换转后的类型 </param>
/// <param name="success"> 是否成功 </param>
protected override IList ChangeType(ConvertContext context, string input, Type outputType, out bool success)
{
input = input?.Trim();
if ((input == null) || (input.Length <= 1))
{
success = false;
return(null);
}
if ((input[0] == '[') && (input[input.Length - 1] == ']'))
{
try
{
var result = ComponentServices.ToJsonObject(outputType, input);
success = true;
return((IList)result);
}
catch (Exception ex)
{
context.AddException(ex);
success = false;
return(null);
}
}
var arr = input.Split(_Separator, StringSplitOptions.None);
return(ChangeType(context, arr, outputType, out success));
}
/// <summary>
/// 返回指定类型的对象，其值等效于指定字符串对象。
/// </summary>
/// <param name="context"> </param>
/// <param name="input"> 需要转换类型的字符串对象 </param>
/// <param name="outputType"> 换转后的类型 </param>
/// <param name="success"> 是否成功 </param>
protected override IDictionary <K, V> ChangeType(ConvertContext context, string input, Type outputType,
out bool success)
{
input = input?.Trim() ?? "";
if (input.Length == 0)
{
var keyConvertor = context.Get <K>();
var valueConvertor = context.Get <V>();
var builder = new DictionaryBuilder(context, outputType, keyConvertor, valueConvertor);
// ReSharper disable once AssignmentInConditionalExpression
return((success = builder.TryCreateInstance()) ? builder.Instance : null);
}
if (input?.Length > 2)
{
if ((input[0] == '{') && (input[input.Length - 1] == '}'))
{
try
{
var result = ComponentServices.ToJsonObject(outputType, input);
success = true;
return((IDictionary <K, V>)result);
}
catch (Exception ex)
{
context.AddException(ex);
}
}
}
success = false;
return(null);
}
/// <summary>
/// 将字节流转换为键值对枚举
/// </summary>
/// <param name="bytes"> </param>
/// <param name="formatProvider"> 它提供有关当前实例的格式信息 </param>
/// <returns> </returns>
public override IEnumerable <KeyValuePair <string, object> > Deserialize(byte[] bytes, IFormatProvider formatProvider)
{
var charset = GetEncoding(formatProvider) ?? Encoding.UTF8;
var json = charset.GetString(bytes);
return((Dictionary <string, object>)ComponentServices.ToJsonObject(typeof(Dictionary <string, object>), json));
}
/// <summary>
/// 将字节流转换为指定对象
/// </summary>
/// <param name="bytes"> </param>
/// <param name="formatProvider"> 它提供有关当前实例的格式信息 </param>
/// <returns> </returns>
public override T Deserialize <T>(byte[] bytes, IFormatProvider formatProvider)
{
var charset = GetEncoding(formatProvider) ?? Encoding.UTF8;
var json = charset.GetString(bytes);
return((T)ComponentServices.ToJsonObject(typeof(T), json));
}
/// <summary>
/// 返回指定类型的对象，其值等效于指定字符串对象。
/// </summary>
/// <param name="context"> </param>
/// <param name="input"> 需要转换类型的字符串对象 </param>
/// <param name="outputType"> 换转后的类型 </param>
/// <param name="success"> 是否成功 </param>
protected override IDictionary ChangeType(ConvertContext context, string input, Type outputType,
out bool success)
{
if (string.IsNullOrWhiteSpace(input))
{
success = false;
return(null);
}
input = input.Trim();
if ((input[0] == '{') && (input[input.Length - 1] == '}'))
{
try
{
var result = ComponentServices.ToJsonObject(outputType, input);
success = true;
return((IDictionary)result);
}
catch (Exception ex)
{
context.AddException(ex);
}
}
success = false;
return(null);
}
/// <summary>
/// 返回指定类型的对象，其值等效于指定字符串对象。
/// </summary>
/// <param name="context"> </param>
/// <param name="input"> 需要转换类型的字符串对象 </param>
/// <param name="outputType"> 换转后的类型 </param>
/// <param name="success"> 是否成功 </param>
protected override object ChangeType(ConvertContext context, string input, Type outputType, out bool success)
{
if (input?.Length > 2)
{
switch (input[0])
{
case '"':
if (input[input.Length - 1] != '"')
{
return(base.ChangeType(context, input, outputType, out success));
}
break;
case '\'':
if (input[input.Length - 1] != '\'')
{
return(base.ChangeType(context, input, outputType, out success));
}
break;
case '{':
if (input[input.Length - 1] != '}')
{
return(base.ChangeType(context, input, outputType, out success));
}
break;
case '[':
if (input[input.Length - 1] != ']')
{
return(base.ChangeType(context, input, outputType, out success));
}
break;
default:
return(base.ChangeType(context, input, outputType, out success));
}
try
{
success = true;
return(ComponentServices.ToJsonObject(outputType, input));
}
catch (Exception ex)
{
context.AddException(ex);
}
}
return(base.ChangeType(context, input, outputType, out success));
}
/// <summary>
/// 追加 Json 对象到 Http 参数
/// </summary>
/// <param name="param"> 参数将被追加到的参数集合 </param>
/// <param name="json"> 需要解析的 Json 字符串 </param>
public static void AddJson(this HttpParamsBase <object> param, string json)
{
if (param == null)
{
throw new ArgumentNullException(nameof(param));
}
if (string.IsNullOrWhiteSpace(json))
{
return;
}
var dict = (Dictionary <string, object>)ComponentServices.ToJsonObject(typeof(Dictionary <string, object>), json);
foreach (var item in dict)
{
param[item.Key] = item.Value;
}
}
/// <summary>
/// 追加 Json 对象到 Http 参数
/// </summary>
/// <param name="param"> 参数将被追加到的参数集合 </param>
/// <param name="json"> 需要解析的 Json 字符串 </param>
public static void AddJson(this HttpParamsBase <string> param, string json)
{
if (param == null)
{
throw new ArgumentNullException(nameof(param));
}
if (string.IsNullOrWhiteSpace(json))
{
return;
}
var nv = (NameValueCollection)ComponentServices.ToJsonObject(typeof(NameValueCollection), json);
for (int i = 0, length = nv.Count; i < length; i++)
{
var key = nv.GetKey(i);
var val = nv[i];
param[key] = val;
}
}
/// <summary>
/// 返回指定类型的对象，其值等效于指定字符串对象。
/// </summary>
/// <param name="context"> </param>
/// <param name="input"> 需要转换类型的字符串对象 </param>
/// <param name="outputType"> 换转后的类型 </param>
/// <param name="success"> 是否成功 </param>
protected override NameValueCollection ChangeType(ConvertContext context, string input, Type outputType,
out bool success)
{
input = input?.Trim();
if ((input?.Length > 1) && (input[0] == '{') && (input[input.Length - 1] == '}'))
{
try
{
var result = ComponentServices.ToJsonObject(outputType, input);
success = true;
return((NameValueCollection)result);
}
catch (Exception ex)
{
context.AddException(ex);
}
}
success = false;
return(null);
}
/// <summary>
/// 返回指定类型的对象，其值等效于指定字符串对象。
/// </summary>
/// <param name="context"> </param>
/// <param name="input"> 需要转换类型的字符串对象 </param>
/// <param name="outputType"> 换转后的类型 </param>
/// <param name="success"> 是否成功 </param>
protected override T[] ChangeType(ConvertContext context, string input, Type outputType, out bool success)
{
input = input?.Trim() ?? "";
if (input.Length == 0)
{
success = true;
return((T[])Array.CreateInstance(outputType.GetElementType(), 0));
}
if ((input[0] == '[') && (input[input.Length - 1] == ']')) //判断如果是json字符串,使用json方式转换
{
try
{
var result = ComponentServices.ToJsonObject(outputType, input);
success = true;
return((T[])result);
}
catch (Exception ex)
{
context.AddException(ex);
success = false;
return(null);
}
}
var convertor = context.Get <T>();
var items = input.Split(_Separator, StringSplitOptions.None);
var array = Array.CreateInstance(convertor.OutputType, items.Length);
for (var i = 0; i < items.Length; i++)
{
var value = convertor.ChangeType(context, items[i], convertor.OutputType, out success);
if (success == false)
{
context.AddException($"{value?.ToString() ?? "<null>"} 写入数组失败!");
return(null);
}
array.SetValue(value, i);
}
success = true;
return((T[])array);
}
public JsonFormBody(string json)
{
_data = ComponentServices.ToJsonObject(null, json);
_json = json;
}