/// <summary>
/// 转换为有序排列的字符串
/// </summary>
/// <param name="names">名称列表</param>
/// <param name="values">值列表</param>
/// <param name="options">有序选项</param>
/// <returns>排列后的字符串</returns>
private static string ToOrderbyString(IList <string> names, IList <string> values, OrderbyOptions options)
{
if (names.IsNullOrCount0() || values.IsNullOrCount0())
{
return(null);
}
if (!options.AppendPropValues.IsNullOrCount0())
{
foreach (var item in options.AppendPropValues)
{
var name = options.IsHump ? item.Key.FristLower() : item.Key;
names.Add(name);
values.Add(item.Value);
}
}
// 对属性名进行排序
for (var i = 0; i < names.Count; i++)
{
for (var j = i + 1; j < names.Count; j++)
{
if (options.Sort == SortType.ASC)
{
if (names[i].CompareTo(names[j]) > 0)
{
var temp = names[i];
names[i] = names[j];
names[j] = temp;
temp = values[i];
values[i] = values[j];
values[j] = temp;
}
else
{
if (names[i].CompareTo(names[j]) < 0)
{
var temp = names[i];
names[i] = names[j];
names[j] = temp;
temp = values[i];
values[i] = values[j];
values[j] = temp;
}
}
}
}
}
// 组合字符串
var result = new StringBuilder();
for (var i = 0; i < names.Count; i++)
{
var str = $"{names[i]}{options.EqualSeparator}{values[i]}{options.Separator}";
result.Append(str);
}
result.Remove(result.Length - 1, 1);
return(result.ToString());
}
/// <summary>
/// 转换为有序排列的字符串
/// </summary>
/// <typeparam name="T">类型</typeparam>
/// <param name="obj">对象</param>
/// <param name="options">有序选项</param>
/// <returns>排列后的字符串</returns>
public static string ToOrderbyString <T>(this T obj, OrderbyOptions options = null)
{
if (obj == null)
{
return(null);
}
var props = typeof(T).GetProperties();
if (props.IsNullOrLength0())
{
return(null);
}
if (options == null)
{
options = new OrderbyOptions();
}
var length = options.AppendPropValues.IsNullOrCount0() ? props.Length : props.Length + options.AppendPropValues.Count;
var names = new List <string>(length);
var values = new List <string>(length);
foreach (var p in props)
{
if (p.CanRead)
{
// 忽略需要忽略的属性
if (options.IgnorePropertyNames != null && options.IgnorePropertyNames.Contains(p.Name))
{
continue;
}
string value = null;
var objValue = p.GetValue(obj);
// 如果有自定义转换
if (options.ConvertToValue != null)
{
var kv = options.ConvertToValue(p.Name, objValue);
// 已完成自定义转换
if (kv != null && kv.Value)
{
value = kv.Key;
}
else
{
if (objValue != null)
{
value = objValue.ToString();
}
}
}
else
{
if (objValue != null)
{
value = objValue.ToString();
}
}
if (options.IgnoreNullOrEmpty && string.IsNullOrEmpty(value))
{
continue;
}
var name = options.IsHump ? p.Name.FristLower() : p.Name;
names.Add(name);
values.Add(value);
}
}
return(ToOrderbyString(names, values, options));
}
/// <summary>
/// 转换为有序排列的字符串
/// </summary>
/// <typeparam name="KeyT">键类型</typeparam>
/// <typeparam name="ValueT">值类型</typeparam>
/// <param name="dic">字典</param>
/// <param name="options">有序选项</param>
/// <returns>排列后的字符串</returns>
public static string ToOrderbyString <KeyT, ValueT>(this IDictionary <KeyT, ValueT> dic, OrderbyOptions options = null)
{
if (dic.IsNullOrCount0())
{
return(null);
}
if (options == null)
{
options = new OrderbyOptions();
}
var length = options.AppendPropValues.IsNullOrCount0() ? dic.Count : dic.Count + options.AppendPropValues.Count;
var names = new List <string>(length);
var values = new List <string>(length);
foreach (var item in dic)
{
// 忽略需要忽略的属性
var key = item.Key.ToString();
if (options.IgnorePropertyNames != null && options.IgnorePropertyNames.Contains(key))
{
continue;
}
string value = null;
var objValue = item.Value;
// 如果有自定义转换
if (options.ConvertToValue != null)
{
var kv = options.ConvertToValue(key, objValue);
// 已完成自定义转换
if (kv != null && kv.Value)
{
value = kv.Key;
}
else
{
if (objValue != null)
{
value = objValue.ToString();
}
}
}
else
{
if (objValue != null)
{
value = objValue.ToString();
}
}
if (options.IgnoreNullOrEmpty && string.IsNullOrEmpty(value))
{
continue;
}
var name = options.IsHump ? key.FristLower() : key;
names.Add(name);
values.Add(value);
}
return(ToOrderbyString(names, values, options));
}