using System.Text;
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namespace iWare.Wms.Core
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{
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/// <summary>
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/// 字典扩展
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/// </summary>
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public static class DictionaryExtensions
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{
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/// <summary>
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/// 将一个字典转化为 QueryString
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/// </summary>
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/// <param name="dict"></param>
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/// <param name="urlEncode"></param>
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/// <returns></returns>
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public static string ToQueryString(this Dictionary<string, string> dict, bool urlEncode = true)
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{
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return string.Join("&", dict.Select(p => $"{(urlEncode ? p.Key?.UrlEncode() : "")}={(urlEncode ? p.Value?.UrlEncode() : "")}"));
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}
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/// <summary>
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/// 将一个字符串 URL 编码
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/// </summary>
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/// <param name="str"></param>
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/// <returns></returns>
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public static string UrlEncode(this string str)
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{
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if (string.IsNullOrEmpty(str))
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{
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return "";
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}
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return System.Web.HttpUtility.UrlEncode(str, Encoding.UTF8);
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}
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/// <summary>
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/// 移除空值项
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/// </summary>
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/// <param name="dict"></param>
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public static void RemoveEmptyValueItems(this Dictionary<string, string> dict)
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{
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dict.Where(item => string.IsNullOrEmpty(item.Value)).Select(item => item.Key).ToList().ForEach(key =>
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{
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dict.Remove(key);
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});
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}
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}
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}
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