fit:增加数据字典对外接口

ruoyi-api/ruoyi-api-system/src/main/java/com/ruoyi/system/api/RemoteDictService.java

@@ -0,0 +1,43 @@
+package com.ruoyi.system.api;
+
+import org.springframework.cloud.openfeign.FeignClient;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestHeader;
+import com.ruoyi.common.core.constant.SecurityConstants;
+import com.ruoyi.common.core.constant.ServiceNameConstants;
+import com.ruoyi.common.core.domain.R;
+import com.ruoyi.system.api.domain.SysDictData;
+import com.ruoyi.system.api.factory.RemoteDictFallbackFactory;
+
+import java.util.List;
+
+/**
+ * 数据字典服务
+ * 
+ * @author ruoyi
+ */
+@FeignClient(contextId = "remoteDictService", value = ServiceNameConstants.SYSTEM_SERVICE, fallbackFactory = RemoteDictFallbackFactory.class)
+public interface RemoteDictService
+{
+    /**
+     * 根据字典类型查询字典数据
+     *
+     * @param dictType 字典类型
+     * @param source 请求来源
+     * @return 结果
+     */
+    @GetMapping("/dict/data/type/{dictType}")
+    public R<List<SysDictData>> getDictDataByType(@PathVariable("dictType") String dictType, @RequestHeader(SecurityConstants.FROM_SOURCE) String source);
+
+    /**
+     * 根据字典类型和值获取字典标签
+     *
+     * @param dictType 字典类型
+     * @param dictValue 字典值
+     * @param source 请求来源
+     * @return 结果
+     */
+    @GetMapping("/dict/data/label/{dictType}/{dictValue}")
+    public R<String> getDictLabel(@PathVariable("dictType") String dictType, @PathVariable("dictValue") String dictValue, @RequestHeader(SecurityConstants.FROM_SOURCE) String source);
+}

ruoyi-api/ruoyi-api-system/src/main/java/com/ruoyi/system/api/factory/RemoteDictFallbackFactory.java

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+package com.ruoyi.system.api.factory;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.cloud.openfeign.FallbackFactory;
+import org.springframework.stereotype.Component;
+import com.ruoyi.common.core.domain.R;
+import com.ruoyi.system.api.RemoteDictService;
+import com.ruoyi.system.api.domain.SysDictData;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 数据字典服务降级处理
+ * 
+ * @author ruoyi
+ */
+@Component
+public class RemoteDictFallbackFactory implements FallbackFactory<RemoteDictService>
+{
+    private static final Logger log = LoggerFactory.getLogger(RemoteDictFallbackFactory.class);
+
+    @Override
+    public RemoteDictService create(Throwable throwable)
+    {
+        log.error("数据字典服务调用失败: {}", throwable.getMessage());
+        return new RemoteDictService()
+        {
+            @Override
+            public R<List<SysDictData>> getDictDataByType(String dictType, String source)
+            {
+                log.error("根据字典类型查询字典数据失败: {}", dictType);
+                return R.fail("根据字典类型查询字典数据失败");
+            }
+
+            @Override
+            public R<String> getDictLabel(String dictType, String dictValue, String source)
+            {
+                log.error("根据字典类型和值获取字典标签失败: {} - {}", dictType, dictValue);
+                return R.fail("根据字典类型和值获取字典标签失败");
+            }
+        };
+    }
+}