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+package com.ruoyi.common.handler;
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+
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+import cn.hutool.core.util.ObjectUtil;
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+import cn.hutool.core.util.StrUtil;
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+import com.fasterxml.jackson.core.JsonProcessingException;
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+import com.fasterxml.jackson.databind.ObjectMapper;
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+import com.ruoyi.common.annotation.DictConvert;
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+import com.ruoyi.common.annotation.EnumsConvert;
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+import com.ruoyi.common.core.domain.AjaxResult;
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+import com.ruoyi.common.core.page.TableDataInfo;
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+import com.ruoyi.common.interfaces.EnumsInterface;
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+import com.ruoyi.common.utils.DictUtils;
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+import lombok.extern.slf4j.Slf4j;
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+import org.springframework.core.MethodParameter;
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+import org.springframework.http.MediaType;
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+import org.springframework.http.server.ServerHttpRequest;
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+import org.springframework.http.server.ServerHttpResponse;
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+import org.springframework.web.bind.annotation.RestControllerAdvice;
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+import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;
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+import java.lang.reflect.Field;
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+import java.util.ArrayList;
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+import java.util.List;
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+
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+
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+/**
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+ * 响应数据统一处理
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+ *
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+ * @Author wangqiong
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+ * @Date 2023/1/5
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+ * @Version V1.0
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+ */
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+@Slf4j
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+@RestControllerAdvice
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+public class ResponseBodyAdviceHandler implements ResponseBodyAdvice {
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+ @Override
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+ public boolean supports(MethodParameter methodParameter, Class aClass) {
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+ return true;
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+ }
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+
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+ @Override
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+ public Object beforeBodyWrite(Object body, MethodParameter methodParameter, MediaType mediaType, Class aClass, ServerHttpRequest request, ServerHttpResponse serverHttpResponse) {
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+ if (body instanceof String) {
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+ ObjectMapper om = new ObjectMapper();
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+ try {
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+ return om.writeValueAsString(AjaxResult.success(body));
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+ } catch (JsonProcessingException e) {
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+ log.error("JsonProcessingException e:{}", e);
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+ }
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+ }
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+ //判断类型,然后转换字典
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+ turnType(body);
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+ AjaxResult result = AjaxResult.success(body);
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+ return result;
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+ }
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+
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+ /**
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+ * 判断类型,然后转换字典
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+ *
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+ * @param body
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+ */
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+ private void turnType(Object body) {
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+ if (body instanceof AjaxResult) {
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+ AjaxResult result = (AjaxResult) body;
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+ if(result.isSuccess()){
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+ Object data = result.get("data");
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+ if(data!=null){
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+ if(data instanceof List){
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+ List list = (List) data;
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+ convertList(list);
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+ }else if(data instanceof TableDataInfo){
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+ TableDataInfo pageRes = (TableDataInfo) data;
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+ List list = pageRes.getRows();
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+ convertList(list);
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+ }else{
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+ loopTurn(data);
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+ }
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+ }
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+ }
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+ } else if (body instanceof TableDataInfo) {
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+ TableDataInfo pageRes = (TableDataInfo) body;
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+ List list = pageRes.getRows();
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+ convertList(list);
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+ } else if (body instanceof List) {
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+ List list = (List) body;
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+ convertList(list);
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+ } else {
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+ loopTurn(body);
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+ }
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+ }
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+
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+ /**
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+ * 递归转换列表数据,将列表套列表数据都进行转换
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+ *
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+ * @param list 列表数据
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+ */
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+ private void convertList(List list) {
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+ if (list != null && list.size() > 0) {
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+ for (Object o : list) {
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+ if (o instanceof List) {
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+ convertList((List) o);
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+ } else {
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+ loopTurn(o);
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+ }
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 递归转换枚举、字典
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+ *
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+ * @param obj 属性
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+ */
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+ private void loopTurn(Object obj) {
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+ if (obj != null) {
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+ Class clazz = obj.getClass();
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+ //获取类的所有字段
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+ for (Field field : clazz.getDeclaredFields()) {
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+ Object value = null;
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+ try {
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+ field.setAccessible(true);
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+ //获取属性值
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+ value = field.get(obj);
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+ } catch (IllegalAccessException e) {
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+ log.error("turnDict getField Value error!", e);
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+ }
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+ //List属性递归每个子集
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+ if (value != null && value instanceof List) {
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+ for (Object child : (List) value) {
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+ loopTurn(child);
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+ }
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+ //非List进行显示转换
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+ } else {
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+ turnEnum(obj, clazz, field, value);
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+ turnDict(obj, clazz, field, value);
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+
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+ }
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 转换枚举类型
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+ *
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+ * @param obj 属性判断
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+ */
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+ private void turnEnum(Object obj, Class clazz, Field field, Object value) {
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+ EnumsConvert enumsConvert = field.getAnnotation(EnumsConvert.class);
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+ //判断是否有枚举转换的注解
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+ if (enumsConvert != null) {
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+ if (value != null && StrUtil.isNotEmpty(value.toString())) {
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+ String key = value.toString();
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+ String target = enumsConvert.targetField();
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+
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+ Field targetField = getTargetField(clazz, field, target);
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+
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+ try {
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+ if (targetField != null) {
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+ targetField.setAccessible(true);
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+ //给目标字段设置转换后的值
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+ targetField.set(obj, EnumsInterface.getText(enumsConvert.getEnumsInterface(), key));
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+ }
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+ } catch (IllegalAccessException e) {
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+ log.error("turnEnum set value error!", e);
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+ }
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 字典转换
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+ *
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+ * @param obj 转换对象
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+ */
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+ private void turnDict(Object obj, Class clazz, Field field, Object value) {
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+ DictConvert dictConvert = field.getAnnotation(DictConvert.class);
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+ //判断是否有字典转换的注解
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+ if (dictConvert != null) {
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+ if (value != null && StrUtil.isNotEmpty(value.toString())) {
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+ String key = value.toString();
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+ String target = dictConvert.targetField();
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+
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+ Field targetField = getTargetField(clazz, field, target);
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+
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+ try {
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+ if (targetField != null) {
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+ targetField.setAccessible(true);
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+ String dictType = dictConvert.dictType();
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+ if(StrUtil.isEmpty(dictType)){
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+ return;
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+ }
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+ //单个字典时直接设置值
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+ if (!dictConvert.isMultiple()) {
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+
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+ targetField.set(obj, ObjectUtil.isNotEmpty( DictUtils.getDictLabel(dictType,key)) ? DictUtils.getDictLabel(dictType,key):null);
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+ } else {
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+ //多个字典时,用逗号拼接值
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+ List<String> textList = new ArrayList<>();
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+ String[] ids = key.split(dictConvert.separator());
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+ for (String id : ids) {
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+ if (ObjectUtil.isNotEmpty(DictUtils.getDictLabel(dictType,id))&&StrUtil.isNotEmpty(DictUtils.getDictLabel(dictType,id))) {
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+ textList.add(DictUtils.getDictLabel(dictType,id));
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+ }
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+ }
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+ targetField.set(obj, StrUtil.join(dictConvert.separator(), textList));
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+ }
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+ }
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+ } catch (IllegalAccessException e) {
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+ log.error("turnDict set value error!", e);
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+ }
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+ }
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+ }
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+ }
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+ /**
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+ * 获取目标属性
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+ *
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+ * @param clazz 取值对象
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+ * @param field 属性
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+ * @param target 属性名
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+ * @return Field 目标属性
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+ */
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+ private Field getTargetField(Class clazz, Field field, String target) {
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+ Field targetField = null;
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+ //转换的目标字段为当前字段
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+ if (StrUtil.isEmpty(target)) {
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+ targetField = field;
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+ } else {
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+ try {
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+ //目标字段为设置的字段
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+ targetField = clazz.getDeclaredField(target);
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+ } catch (NoSuchFieldException e) {
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+ log.error("getTargetField getDeclaredField error!", e);
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+ }
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+ }
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+ return targetField;
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+ }
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+}
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