feat(converter): 实现通用枚举转换器和供应商类型转换器

添加EnumEntityStringConverter作为通用枚举转换基类
实现VendorTypeStringConverter用于供应商类型本地化转换
在VendorTypeService中添加findByLocaleAndValue方法支持转换器
优化ComboBoxUtils的绑定逻辑使其支持可选属性
新增VendorCatalogService提供供应商目录CRUD功能

server/src/main/java/com/ecep/contract/ds/vendor/service/VendorCatalogService.java

@@ -1,4 +1,85 @@
 package com.ecep.contract.ds.vendor.service;
 
-public class VendorCatalogService {
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.cache.annotation.CacheConfig;
+import org.springframework.cache.annotation.CacheEvict;
+import org.springframework.cache.annotation.Cacheable;
+import org.springframework.cache.annotation.Caching;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.jpa.domain.Specification;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+import com.ecep.contract.IEntityService;
+import com.ecep.contract.QueryService;
+import com.ecep.contract.constant.ServiceConstant;
+import com.ecep.contract.ds.vendor.repository.VendorClassRepository;
+import com.ecep.contract.model.VendorCatalog;
+import com.ecep.contract.util.SpecificationUtils;
+import com.fasterxml.jackson.databind.JsonNode;
+
+/**
+ * 供应商目录服务类
+ * 提供对供应商目录的查询、创建、更新和删除操作
+ */
+@Lazy
+@Service
+@CacheConfig(cacheNames = "vendor-catalog")
+public class VendorCatalogService implements IEntityService<VendorCatalog>, QueryService<VendorCatalog> {
+    @Lazy
+    @Autowired
+    private VendorClassRepository repository;
+
+    @Override
+    public Page<VendorCatalog> findAll(JsonNode paramsNode, Pageable pageable) {
+        Specification<VendorCatalog> spec = null;
+        if (paramsNode.has(ServiceConstant.KEY_SEARCH_TEXT)) {
+            spec = getSpecification(paramsNode.get(ServiceConstant.KEY_SEARCH_TEXT).asText());
+        }
+
+        // field
+        spec = SpecificationUtils.andFieldEqualParam(spec, paramsNode, "name", "code", "parentId");
+        return findAll(spec, pageable);
+    }
+
+    @Cacheable(key = "#p0")
+    @Override
+    public VendorCatalog findById(Integer id) {
+        return repository.findById(id).orElse(null);
+    }
+
+    @Override
+    public Page<VendorCatalog> findAll(Specification<VendorCatalog> spec, Pageable pageable) {
+        return repository.findAll(spec, pageable);
+    }
+
+    @Override
+    public Specification<VendorCatalog> getSpecification(String searchText) {
+        if (!StringUtils.hasText(searchText)) {
+            return null;
+        }
+        return (root, query, builder) -> {
+            return builder.or(
+                    builder.like(root.get("name"), "%" + searchText + "%"),
+                    builder.like(root.get("code"), "%" + searchText + "%"));
+        };
+    }
+
+    @Caching(evict = {
+            @CacheEvict(key = "#p0.id")
+    })
+    @Override
+    public void delete(VendorCatalog entity) {
+        repository.delete(entity);
+    }
+
+    @Caching(evict = {
+            @CacheEvict(key = "#p0.id")
+    })
+    @Override
+    public VendorCatalog save(VendorCatalog entity) {
+        return repository.save(entity);
+    }
 }