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127 lines
3.3 KiB
127 lines
3.3 KiB
using System;
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using System.Collections.Generic;
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using System.Collections.Specialized;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Web;
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namespace BO.Utils
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{
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public class UrlUtil
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{
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public static string GetBarCode(string barCode)
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{
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//如果是链接
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if (barCode.Contains("?") && barCode.ToLower().Contains("http"))
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{
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Uri uri = new Uri(barCode);
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string queryString = uri.Query;
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NameValueCollection col = GetQueryString(queryString);
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string code = col["code"];
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return code;
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}
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else
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{
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return barCode;
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}
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}
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public static string GetGoodsName(string barCode)
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{
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//如果是链接
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if (barCode.Contains("?") && barCode.ToLower().Contains("http"))
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{
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Uri uri = new Uri(barCode);
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string queryString = uri.Query;
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NameValueCollection col = GetQueryString(queryString);
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string name = col["name"];
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return name;
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}
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else
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{
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return "";
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}
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}
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private static NameValueCollection GetQueryString(string queryString)
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{
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return GetQueryString(queryString, null, true);
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}
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private static NameValueCollection GetQueryString(string queryString, Encoding encoding, bool isEncoded)
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{
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queryString = queryString.Replace("?", "");
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NameValueCollection result = new NameValueCollection(StringComparer.OrdinalIgnoreCase);
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if (!String.IsNullOrEmpty(queryString))
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{
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int count = queryString.Length;
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for (int i = 0; i < count; i++)
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{
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int startIndex = i;
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int index = -1;
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while (i < count)
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{
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char item = queryString[i];
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if (item == '=')
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{
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if (index < 0)
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{
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index = i;
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}
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}
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else if (item == '&')
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{
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break;
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}
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i++;
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}
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string key = null;
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string value = null;
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if (index >= 0)
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{
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key = queryString.Substring(startIndex, index - startIndex);
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value = queryString.Substring(index + 1, (i - index) - 1);
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}
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else
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{
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key = queryString.Substring(startIndex, i - startIndex);
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}
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if (isEncoded)
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{
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result[(string) MyUrlDeCode(key, encoding)] = MyUrlDeCode(value, encoding);
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}
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else
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{
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result[key] = value;
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}
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if ((i == (count - 1)) && (queryString[i] == '&'))
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{
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result[key] = String.Empty;
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}
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}
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}
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return result;
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}
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private static string MyUrlDeCode(string str, Encoding encoding)
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{
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if (encoding == null)
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{
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Encoding utf8 = Encoding.UTF8;
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//首先用utf-8进行解码
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string code = HttpUtility.UrlDecode(str.ToUpper(), utf8);
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//将已经解码的字符再次进行编码.
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string encode = HttpUtility.UrlEncode(code, utf8).ToUpper();
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if (str == encode)
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encoding = Encoding.UTF8;
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else
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encoding = Encoding.GetEncoding("gb2312");
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}
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return HttpUtility.UrlDecode(str, encoding);
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}
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}
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}
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