模拟提交商品，测试最多能传50件左右就会出限制

AllBase/GetHtml.cs

@@ -2001,5 +2001,31 @@ Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrom
                 }
             }
         }
+
+        /// <summary>
+        /// 字符串转Unicode
+        /// </summary>
+        /// <param name="source">源字符串</param>
+        /// <returns>Unicode编码后的字符串</returns>
+        public static string String2Unicode(string source)
+        {
+            var bytes = Encoding.Unicode.GetBytes(source);
+            var stringBuilder = new StringBuilder();
+            for (var i = 0; i < bytes.Length; i += 2)
+            {
+                stringBuilder.AppendFormat("\\u{0}{1}", bytes[i + 1].ToString("x").PadLeft(2, '0'), bytes[i].ToString("x").PadLeft(2, '0'));
+            }
+            return stringBuilder.ToString();
+        }
+
+        /// <summary>
+        /// Unicode转字符串
+        /// </summary>
+        /// <param name="source">经过Unicode编码的字符串</param>
+        /// <returns>正常字符串</returns>
+        public static string Unicode2String(string source)
+        {
+            return new Regex(@"\\u([0-9A-F]{4})", RegexOptions.IgnoreCase | RegexOptions.Compiled).Replace(source, x => Convert.ToChar(Convert.ToUInt16(x.Result("$1"), 16)).ToString());
+        }
     }
 }