1688商品采集

AllBase/BaseRegex.cs

@@ -6,6 +6,7 @@
  */
 
 using System;
+using System.Linq;
 using System.Text;
 using System.Text.RegularExpressions;
 
@@ -673,6 +674,102 @@ namespace AllBase
             return temp;
         }
 
+        public static string GetOneJsonObjStrJson(ref string html, string reg)
+        {
+            return GetJsonObjStrJson(ref html, reg).FirstOrDefault();
+        }
+
+        public static System.Collections.Generic.List<string> GetJsonObjStrJson(ref string html, string reg, int level = 0)
+        {
+            System.Collections.Generic.List<string> rstLst = new System.Collections.Generic.List<string>();
+            if (html == null)
+                return rstLst;
+
+            string htmlTmp = html.Replace("\\{", "\\这里是正花括号占位符").Replace("\\}", "\\这里是反花括号占位符");
+
+        retry:
+            string lvStr = "";
+            if  (level == 1)
+            {
+                lvStr += "\"";
+            }
+            var index1 = htmlTmp.IndexOf("\"" + reg + "\":" + lvStr + "{");
+            if (index1 < 0)
+                return rstLst;
+
+            htmlTmp = htmlTmp.Substring(index1 + ("\"" + reg + "\":" + lvStr + "{").Length - 1);
+            // 括号计数
+            int braceNum = 0;
+            //string rst = "{";
+            //while (htmlTmp.Length > 0)
+            for (int i = 0; i < htmlTmp.Length; i++)
+            {
+                //rst += htmlTmp.Substring(0, 1);
+                //if (htmlTmp.StartsWith("{"))
+                //    braceNum++;
+                //else if (htmlTmp.StartsWith("}"))
+                //    braceNum--;
+                if (htmlTmp[i] == '{')
+                    braceNum++;
+                else if (htmlTmp[i] == '}')
+                    braceNum--;
+                //htmlTmp = htmlTmp.Substring(1);
+                if (braceNum == 0)
+                {
+                    rstLst.Add(htmlTmp.Substring(0, i + 1).Replace("\\这里是正花括号占位符", "\\{").Replace("\\这里是反花括号占位符", "\\}"));
+                    htmlTmp = htmlTmp.Substring(i + 1);
+                    //rstLst.Add(rst.Replace("\\这里是正花括号占位符", "\\{").Replace("\\这里是反花括号占位符", "\\}"));
+                    break;
+                }
+
+                // 循环完了还没结果返回空列表
+                if (i == htmlTmp.Length - 1)
+                    return rstLst;
+            }
+            if (htmlTmp.Length > 0)
+                goto retry;
+
+            return rstLst;
+        }
+
+        public static System.Collections.Generic.List<string> GetJsonArrStrJson(ref string html, string reg)
+        {
+            System.Collections.Generic.List<string> rstLst = new System.Collections.Generic.List<string>();
+            if (html == null)
+                return rstLst;
+
+            string htmlTmp = html.Replace("\\[", "\\这里是正方括号占位符").Replace("\\]", "\\这里是反方括号占位符");
+
+        retry:
+            var index1 = htmlTmp.IndexOf("\"" + reg + "\":[");
+            if (index1 < 0)
+                return rstLst;
+
+            htmlTmp = htmlTmp.Substring(index1 + ("\"" + reg + "\":[").Length);
+            // 括号计数
+            int braceNum = 1;
+            string rst = "[";
+            while (htmlTmp.Length > 0)
+            {
+                rst += htmlTmp.Substring(0, 1);
+                if (htmlTmp.StartsWith("["))
+                    braceNum++;
+                else if (htmlTmp.StartsWith("}"))
+                    braceNum--;
+                htmlTmp = htmlTmp.Substring(1);
+                if (braceNum == 0)
+                {
+                    rstLst.Add(rst.Replace("\\这里是正方括号占位符", "\\[").Replace("\\这里是反方括号占位符", "\\]"));
+                    break;
+                }
+            }
+            if (htmlTmp.Length > 0)
+                goto retry;
+
+            return rstLst;
+        }
+
+
         /// <summary>
         /// 获取值
         /// </summary>