fix(测试跟踪): 功能用例导入多选输入自定义字段后，数据无法显示

--bug=1020905 --user=陈建星 【测试跟踪】导入带自定义字段的用例后列表中不显示，但是左侧模块树中有统计 https://www.tapd.cn/55049933/s/1316327

framework/sdk-parent/frontend/src/utils/tableUtils.js

@@ -541,9 +541,11 @@ export function getCustomFieldValue(row, field, members) {
           return val;
         } else if (field.type === 'multipleInput') {
           let val = '';
-          item.value.forEach(i => {
-            val += i + ' ';
-          });
+          if (item.value instanceof Array) {
+            item.value.forEach(i => {
+              val += i + ' ';
+            });
+          }
           return val;
         } else if (field.type === 'datetime' || field.type === 'date') {
           return datetimeFormat(item.value);

test-track/backend/src/main/java/io/metersphere/validate/AbstractCustomFieldValidator.java

@@ -52,11 +52,21 @@ public abstract class AbstractCustomFieldValidator {
         try {
             // [a, b] => ["a","b"]
             if (!StringUtils.equals(value, "[]")) {
-                value = value.replace("[", "[\"")
-                        .replace("]", "\"]")
-                        .replace(",", "\",\"")
-                        .replace("，", "\"，\"")
-                        .replace(StringUtils.SPACE, StringUtils.EMPTY);
+                if (!value.contains("[\"")) {
+                    value = value.replace("[", "[\"");
+                }
+                if (!value.contains("\"]")) {
+                    value = value.replace("]", "\"]");
+
+                }
+                if (!value.contains("\",\"")) {
+                    value = value.replace(",", "\",\"");
+
+                }
+                if (!value.contains("\"，\"")) {
+                    value = value.replace("，", "\"，\"");
+                }
+                value = value.replace(StringUtils.SPACE, StringUtils.EMPTY);
             }
             return JSON.parseArray(value, String.class);
         } catch (Exception e) {

test-track/backend/src/main/java/io/metersphere/validate/CustomFieldMultipleTextValidator.java

@@ -1,21 +1,33 @@
 package io.metersphere.validate;
 
-import io.metersphere.commons.utils.JSON;
-import io.metersphere.exception.CustomFieldValidateException;
 import io.metersphere.dto.CustomFieldDao;
+import io.metersphere.exception.CustomFieldValidateException;
 import io.metersphere.i18n.Translator;
 import org.apache.commons.lang3.StringUtils;
 
 public class CustomFieldMultipleTextValidator extends AbstractCustomFieldValidator {
 
+    public CustomFieldMultipleTextValidator() {
+        this.isKVOption = true;
+    }
+
+    @Override
     public void validate(CustomFieldDao customField, String value) throws CustomFieldValidateException {
         validateRequired(customField, value);
         if (StringUtils.isNotBlank(value)) {
             try {
-                JSON.parseArray(value);
+                parse2Array(customField.getName(), value);
             } catch (Exception e) {
                 CustomFieldValidateException.throwException(String.format(Translator.get("custom_field_array_tip"), customField.getName()));
             }
         }
     }
+
+    @Override
+    public Object parse2Key(String keyOrValuesStr, CustomFieldDao customField) {
+        if (StringUtils.isBlank(keyOrValuesStr)) {
+            return StringUtils.EMPTY;
+        }
+        return parse2Array(keyOrValuesStr);
+    }
 }