比较学生和正确答案工具、返回错误数量

src/main/java/com/sztzjy/linkCommerce/controller/stu/CgxqycController.java

@@ -6,6 +6,7 @@ import com.sztzjy.linkCommerce.entity.*;
 import com.sztzjy.linkCommerce.mapper.CgxqycAnswerMapper;
 import com.sztzjy.linkCommerce.mapper.CgxqycStuAnswerMapper;
 import com.sztzjy.linkCommerce.mapper.StuGradeMapper;
+import com.sztzjy.linkCommerce.util.CompareListsUtil;
 import com.sztzjy.linkCommerce.util.ResultEntity;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
@@ -26,6 +27,8 @@ public class CgxqycController {
     CgxqycAnswerMapper cgxqycAnswerMapper;
     @Autowired
     StuGradeMapper stuGradeMapper;
+    @Autowired
+    CompareListsUtil compareListsUtil;
 
     @PostMapping("/selectCgxqycAnswer")
     @ApiOperation("采购需求预测-回显")
@@ -48,13 +51,13 @@ public class CgxqycController {
 //        CgxqycAnswer cgxqycAnswer = cgxqycAnswerMapper.selectByExample(new CgxqycAnswerExample()).get(0);
 //        String monthlyDataStu = cgxqycStuAnswer.getMonthlyData();
 //        String monthlyData = cgxqycAnswer.getMonthlyData();
-//        int monthlyDataErrorCount = compareLists(monthlyDataStu, monthlyData).errorCount;
+//        int monthlyDataErrorCount =compareListsUtil.compareLists(monthlyDataStu, monthlyData).getErrorCount();
 //        String seasonalIndexStu = cgxqycStuAnswer.getSeasonalIndex();
 //        String seasonalIndex = cgxqycAnswer.getSeasonalIndex();
-//        int seasonalIndexErrorCount = compareLists(seasonalIndexStu, seasonalIndex).errorCount;
+//        int seasonalIndexErrorCount = compareListsUtil.compareLists(seasonalIndexStu, seasonalIndex).getErrorCount();
 //        String demandForecastStu = cgxqycStuAnswer.getDemandForecast();
 //        String demandForecast = cgxqycAnswer.getDemandForecast();
-//        int demandForecastErrorCount = compareLists(demandForecastStu, demandForecast).errorCount;
+//        int demandForecastErrorCount = compareListsUtil.compareLists(demandForecastStu, demandForecast).getErrorCount();
 //        int errorCount = monthlyDataErrorCount + seasonalIndexErrorCount + demandForecastErrorCount;
 //        //先查询是否提交过
 //        StuGradeExample stuGradeExample = new StuGradeExample();
@@ -70,45 +73,5 @@ public class CgxqycController {
 //    }
 
 
-    public Result compareLists(String stulist, String answerList) {
-        // 将字符串分割成数组
-        String[] submitted = stulist.split(",");
-        String[] answers = answerList.split(",");
-
-        int errorCount = 0; // 错误数量
-        List<Integer> errorPositions = new ArrayList<>(); // 错误位置
-
-        // 获取较长数组的长度
-        int maxLength = Math.max(submitted.length, answers.length);
-
-        // 遍历较长的数组
-        for (int i = 0; i < maxLength; i++) {
-            String submittedValue = (i < submitted.length) ? submitted[i] : null;
-            String answerValue = (i < answers.length) ? answers[i] : null;
 
-            // 检查对应位置是否相同
-            if (!equals(submittedValue, answerValue)) {
-                errorCount++;
-                errorPositions.add(i + 1); // +1 使位置从 1 开始
-            }
-        }
-
-        return new Result(errorCount, errorPositions);
-    }
-
-    // 自定义 equals 方法处理 null 和空字符串的场景
-    public static boolean equals(String a, String b) {
-        return (a == null ? b == null : a.equals(b));
-    }
-
-    // 内部类用来保存比较结果
-    static class Result {
-        int errorCount;
-        List<Integer> errorPositions;
-
-        Result(int errorCount, List<Integer> errorPositions) {
-            this.errorCount = errorCount;
-            this.errorPositions = errorPositions;
-        }
-    }
 }

src/main/java/com/sztzjy/linkCommerce/util/CompareListsUtil.java

@@ -0,0 +1,68 @@
+package com.sztzjy.linkCommerce.util;
+
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.List;
+
+//用于比较两个集合的字符串是否对应、返回错误数量和错误位置
+@Component
+public class CompareListsUtil {
+    public Result compareLists(String stulist, String answerList) {
+        // 将字符串分割成数组
+        String[] submitted = stulist.split(",");
+        String[] answers = answerList.split(",");
+
+        int errorCount = 0; // 错误数量
+        List<Integer> errorPositions = new ArrayList<>(); // 错误位置
+
+        // 获取较长数组的长度
+        int maxLength = Math.max(submitted.length, answers.length);
+
+        // 遍历较长的数组
+        for (int i = 0; i < maxLength; i++) {
+            String submittedValue = (i < submitted.length) ? submitted[i] : null;
+            String answerValue = (i < answers.length) ? answers[i] : null;
+
+            // 检查对应位置是否相同
+            if (!equals(submittedValue, answerValue)) {
+                errorCount++;
+                errorPositions.add(i + 1); // +1 使位置从 1 开始
+            }
+        }
+
+        return new Result(errorCount, errorPositions);
+    }
+
+    // 自定义 equals 方法处理 null 和空字符串的场景
+    public static boolean equals(String a, String b) {
+        return (a == null ? b == null : a.equals(b));
+    }
+
+    // 内部类用来保存比较结果
+    public  class Result {
+        int errorCount;
+        List<Integer> errorPositions;
+
+        Result(int errorCount, List<Integer> errorPositions) {
+            this.errorCount = errorCount;
+            this.errorPositions = errorPositions;
+        }
+
+        public int getErrorCount() {
+            return errorCount;
+        }
+
+        public void setErrorCount(int errorCount) {
+            this.errorCount = errorCount;
+        }
+
+        public List<Integer> getErrorPositions() {
+            return errorPositions;
+        }
+
+        public void setErrorPositions(List<Integer> errorPositions) {
+            this.errorPositions = errorPositions;
+        }
+    }
+}