TASK:mixi;

src/main/java/com/mixi/common/tasks/MiTuExportScheduledTask.java

@@ -2,6 +2,7 @@ package com.mixi.common.tasks;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.mixi.common.tasks.mituExportEntity.*;
+import com.mixi.common.utils.CopyUtil;
 import com.mixi.common.utils.MinioUtil;
 import com.mixi.mapper.*;
 import com.mixi.mapper.entity.*;
@@ -57,8 +58,8 @@ public class MiTuExportScheduledTask {
 //        weeklySellThrReport();
 //        WeeklyHeavyStockReport();
 //        QuarterlyProductGroupingReport();
-//        customerTypeAnalysis();
+        customerTypeAnalysis();
-        getBestSell();
+//        getBestSell();
     }
 
 //    public static void main(String[] args) {
@@ -1771,6 +1772,9 @@ public class MiTuExportScheduledTask {
 
     @Resource
     private MiTuMemberMapper miTuMemberMapper;
+
+    public Map<String, Double> varianceMap = new HashMap<>();
+    public Map<String, String> mostFrequentColorMap = new HashMap<>();
     private List<MiTuMember> getMemberType(List<String> memberCodeList) {
         List<MiTuMember> miTuMemberList = new ArrayList<>();
         for (String memberCode : memberCodeList) {
@@ -1778,15 +1782,88 @@ public class MiTuExportScheduledTask {
                 continue;
             }
             String memberType = getMemberTypeByMemberCode(memberCode);
-            MiTuMember miTuMember = new MiTuMember();
+            MiTuMember member = getMember(memberCode);
+            MiTuMember miTuMember = CopyUtil.copyObject(member, MiTuMember.class);
             miTuMember.setMbrCode(memberCode);
             miTuMember.setMemberType(memberType);
             miTuMemberList.add(miTuMember);
+        }
+        // 计算顾客颜色方差的方差
+        // 计算所有顾客方差值的方差
+        double overallVariance = calculateOverallVariance(varianceMap);
+        for (MiTuMember miTuMember : miTuMemberList) {
+            if (miTuMember.getMemberType() == null) {
+                if (varianceMap.get(miTuMember.getMbrCode()) < overallVariance) {
+                    miTuMember.setMemberType("Type D");
+                    miTuMember.setMostFrequentColor(mostFrequentColorMap.get(miTuMember.getMbrCode()));
+                }else {
+                    miTuMember.setMemberType("Type S");
+                }
+            }
             miTuMemberMapper.insert(miTuMember);
         }
         return miTuMemberList;
     }
 
+    private MiTuMember getMember(String memberCode) {
+        MiTuMember member = new MiTuMember();
+        Connection conn = null;
+        Statement stmt = null;
+        try {
+            // 注册 JDBC 驱动器
+            Class.forName(JDBC_DRIVER);
+
+            // 打开一个连接
+            System.out.println("连接数据库...");
+            conn = DriverManager.getConnection(DB_URL, USER, PASS);
+
+            // 执行查询
+            System.out.println("创建声明...");
+            stmt = conn.createStatement();
+            String sql;
+            sql = "SELECT * FROM V_RW0095B\n" +
+                    "WHERE mbr_code = '" + memberCode + "'";
+
+            ResultSet rs = stmt.executeQuery(sql);
+            // 处理结果集
+            while (rs.next()) {
+                member.setMbrCode(rs.getString("mbr_code"));
+                member.setMbrName(rs.getString("mbr_name"));
+                member.setMbrMobile(rs.getString("mbr_mobile"));
+                member.setMbrGroup(rs.getString("mbr_group"));
+                member.setMbrStatus(rs.getString("mbr_status").charAt(0));
+                member.setJoinDate(rs.getDate("join_date").toLocalDate());
+                member.setMbrIssue(rs.getString("mbr_issue"));
+                member.setBirthMonth(rs.getInt("birth_m"));
+                member.setMbrSex(rs.getString("mbr_sex").charAt(0));
+                member.setOffBonus(rs.getDouble("off_bonus"));
+                member.setEffBonus(rs.getDouble("eff_bonus"));
+                member.setSumBonus(rs.getDouble("sum_bonus"));
+            }
+
+            // 清理环境
+            rs.close();
+            stmt.close();
+            conn.close();
+        } catch (SQLException | ClassNotFoundException e) {
+            // 处理异常
+            e.printStackTrace();
+        }
+        return member;
+    }
+
+    private double calculateOverallVariance(Map<String, Double> varianceMap) {
+        // 计算平均值
+        double mean = varianceMap.values().stream().mapToDouble(Double::doubleValue).average().orElse(0.0);
+
+        // 计算方差
+        double sumOfSquaredDifferences = varianceMap.values().stream()
+                .mapToDouble(value -> Math.pow(value - mean, 2))
+                .sum();
+
+        return sumOfSquaredDifferences / varianceMap.size();
+    }
+
     private String getMemberTypeByMemberCode(String memberCode) {
         List<Transaction> transactionList = new ArrayList<>();
         Connection conn = null;
@@ -1838,10 +1915,10 @@ public class MiTuExportScheduledTask {
             e.printStackTrace();
         }
 
-        return analysis(transactionList);
+        return analysis(transactionList, memberCode);
     }
 
-    private String analysis(List<Transaction> transactionList) {
+    private String analysis(List<Transaction> transactionList, String memberCode) {
         int discountNum = 0;
         int currentSeasonNum = 0;
         int leadingNum = 0;
@@ -1858,9 +1935,15 @@ public class MiTuExportScheduledTask {
         // 计算每种颜色的出现频率
         double mean = (double) totalCount / colorCountMap.size();
         double varianceSum = 0;
+        String mostFrequentColor = null;
+        int maxCount = 0;
         for (Map.Entry<String, Integer> entry : colorCountMap.entrySet()) {
             int count = entry.getValue();
             varianceSum += Math.pow(count - mean, 2);
+            if (count > maxCount) {
+                maxCount = count;
+                mostFrequentColor = entry.getKey();
+            }
         }
 
         // 计算方差
@@ -1879,10 +1962,13 @@ public class MiTuExportScheduledTask {
         if (currentSeasonNum >= transactionList.size() * 0.7) {
             return "Type i";
         }
-        if (variance <= 0.2) {
+        varianceMap.put(memberCode, variance);
-            return "Type D";
+        mostFrequentColorMap.put(memberCode, mostFrequentColor);
-        }
+        return null;
-        return "Type S";
+//        if (variance <= 0.2) {
+//            return "Type D";
+//        }
+//        return "Type S";
     }
 
     private List<String> getMemberCode() {

src/main/java/com/mixi/mapper/entity/MiTuMember.java

@@ -27,4 +27,5 @@ public class MiTuMember implements Serializable {
     private Double effBonus;
     private Double sumBonus;
     private String memberType;
+    private String mostFrequentColor;
 }

src/main/java/com/mixi/service/impl/MiTuExportServiceImpl.java

@@ -199,7 +199,5 @@ public class MiTuExportServiceImpl implements MiTuExportService {
             default :
                 throw new BusinessException("Unknown memberType.");
         }
-
-//        return null;
     }
 }