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+package org.jeecg.common.aspect;
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+
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+import com.alibaba.fastjson.JSON;
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+import com.alibaba.fastjson.JSONObject;
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+import com.alibaba.fastjson.parser.Feature;
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+import com.baomidou.mybatisplus.core.metadata.IPage;
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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 lombok.extern.slf4j.Slf4j;
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+import org.aspectj.lang.ProceedingJoinPoint;
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+import org.aspectj.lang.annotation.Around;
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+import org.aspectj.lang.annotation.Aspect;
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+import org.aspectj.lang.annotation.Pointcut;
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+import org.jeecg.common.api.CommonAPI;
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+import org.jeecg.common.api.vo.Result;
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+import org.jeecg.common.aspect.annotation.Dict;
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+import org.jeecg.common.constant.CommonConstant;
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+import org.jeecg.common.system.vo.DictModel;
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+import org.jeecg.common.util.oConvertUtils;
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+import org.springframework.beans.factory.annotation.Autowired;
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+import org.springframework.context.annotation.Lazy;
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+import org.springframework.data.redis.core.RedisTemplate;
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+import org.springframework.stereotype.Component;
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+import org.springframework.util.StringUtils;
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+
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+import java.lang.reflect.Field;
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+import java.util.*;
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+import java.util.concurrent.TimeUnit;
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+import java.util.stream.Collectors;
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+
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+/**
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+ * @Description: 字典aop类
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+ * @Author: dangzhenghui
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+ * @Date: 2019-3-17 21:50
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+ * @Version: 1.0
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+ */
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+@Aspect
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+@Component
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+@Slf4j
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+public class DictAspect {
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+ @Lazy
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+ @Autowired
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+ private CommonAPI commonApi;
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+ @Autowired
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+ public RedisTemplate redisTemplate;
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+
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+ @Autowired
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+ private ObjectMapper objectMapper;
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+
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+ private static final String JAVA_UTIL_DATE = "java.util.Date";
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+
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+ /**
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+ * 定义切点Pointcut
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+ */
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+ @Pointcut("execution(public * org.jeecg.modules..*.*Controller.*(..)) || @annotation(org.jeecg.common.aspect.annotation.AutoDict)")
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+ public void excudeService() {
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+ }
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+
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+ @Around("excudeService()")
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+ public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
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+ long time1=System.currentTimeMillis();
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+ Object result = pjp.proceed();
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+ long time2=System.currentTimeMillis();
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+ log.debug("获取JSON数据 耗时:"+(time2-time1)+"ms");
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+ long start=System.currentTimeMillis();
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+ result=this.parseDictText(result);
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+ long end=System.currentTimeMillis();
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+ log.debug("注入字典到JSON数据 耗时"+(end-start)+"ms");
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+ return result;
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+ }
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+
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+ /**
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+ * 本方法针对返回对象为Result 的IPage的分页列表数据进行动态字典注入
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+ * 字典注入实现 通过对实体类添加注解@dict 来标识需要的字典内容,字典分为单字典code即可 ,table字典 code table text配合使用与原来jeecg的用法相同
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+ * 示例为SysUser 字段为sex 添加了注解@Dict(dicCode = "sex") 会在字典服务立马查出来对应的text 然后在请求list的时候将这个字典text,已字段名称加_dictText形式返回到前端
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+ * 例输入当前返回值的就会多出一个sex_dictText字段
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+ * {
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+ * sex:1,
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+ * sex_dictText:"男"
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+ * }
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+ * 前端直接取值sext_dictText在table里面无需再进行前端的字典转换了
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+ * customRender:function (text) {
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+ * if(text==1){
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+ * return "男";
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+ * }else if(text==2){
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+ * return "女";
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+ * }else{
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+ * return text;
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+ * }
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+ * }
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+ * 目前vue是这么进行字典渲染到table上的多了就很麻烦了 这个直接在服务端渲染完成前端可以直接用
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+ * @param result
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+ */
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+ private Object parseDictText(Object result) {
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+ if (result instanceof Result) {
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+ if (((Result) result).getResult() instanceof IPage) {
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+ List<JSONObject> items = new ArrayList<>();
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+
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+ //step.1 筛选出加了 Dict 注解的字段列表
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+ List<Field> dictFieldList = new ArrayList<>();
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+ // 字典数据列表, key = 字典code,value=数据列表
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+ Map<String, List<String>> dataListMap = new HashMap<>(5);
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+ //取出结果集
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+ List<Object> records=((IPage) ((Result) result).getResult()).getRecords();
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+ //update-begin--Author:zyf -- Date:20220606 ----for:【VUEN-1230】 判断是否含有字典注解,没有注解返回-----
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+ Boolean hasDict= checkHasDict(records);
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+ if(!hasDict){
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+ return result;
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+ }
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+
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+ log.debug(" __ 进入字典翻译切面 DictAspect —— " );
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+ //update-end--Author:zyf -- Date:20220606 ----for:【VUEN-1230】 判断是否含有字典注解,没有注解返回-----
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+ for (Object record : records) {
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+ String json="{}";
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+ try {
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+ //update-begin--Author:zyf -- Date:20220531 ----for:【issues/#3629】 DictAspect Jackson序列化报错-----
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+ //解决@JsonFormat注解解析不了的问题详见SysAnnouncement类的@JsonFormat
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+ json = objectMapper.writeValueAsString(record);
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+ //update-end--Author:zyf -- Date:20220531 ----for:【issues/#3629】 DictAspect Jackson序列化报错-----
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+ } catch (JsonProcessingException e) {
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+ log.error("json解析失败"+e.getMessage(),e);
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+ }
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+ //update-begin--Author:scott -- Date:20211223 ----for:【issues/3303】restcontroller返回json数据后key顺序错乱 -----
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+ JSONObject item = JSONObject.parseObject(json, Feature.OrderedField);
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+ //update-end--Author:scott -- Date:20211223 ----for:【issues/3303】restcontroller返回json数据后key顺序错乱 -----
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+
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+ //update-begin--Author:scott -- Date:20190603 ----for:解决继承实体字段无法翻译问题------
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+ //for (Field field : record.getClass().getDeclaredFields()) {
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+ // 遍历所有字段,把字典Code取出来,放到 map 里
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+ for (Field field : oConvertUtils.getAllFields(record)) {
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+ String value = item.getString(field.getName());
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+ if (oConvertUtils.isEmpty(value)) {
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+ continue;
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+ }
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+ //update-end--Author:scott -- Date:20190603 ----for:解决继承实体字段无法翻译问题------
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+ if (field.getAnnotation(Dict.class) != null) {
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+ if (!dictFieldList.contains(field)) {
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+ dictFieldList.add(field);
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+ }
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+ String code = field.getAnnotation(Dict.class).dicCode();
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+ String text = field.getAnnotation(Dict.class).dicText();
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+ String table = field.getAnnotation(Dict.class).dictTable();
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+
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+ List<String> dataList;
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+ String dictCode = code;
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+ if (!StringUtils.isEmpty(table)) {
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+ dictCode = String.format("%s,%s,%s", table, text, code);
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+ }
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+ dataList = dataListMap.computeIfAbsent(dictCode, k -> new ArrayList<>());
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+ this.listAddAllDeduplicate(dataList, Arrays.asList(value.split(",")));
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+ }
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+ //date类型默认转换string格式化日期
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+ //update-begin--Author:zyf -- Date:20220531 ----for:【issues/#3629】 DictAspect Jackson序列化报错-----
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+ //if (JAVA_UTIL_DATE.equals(field.getType().getName())&&field.getAnnotation(JsonFormat.class)==null&&item.get(field.getName())!=null){
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+ //SimpleDateFormat aDate=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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+ // item.put(field.getName(), aDate.format(new Date((Long) item.get(field.getName()))));
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+ //}
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+ //update-end--Author:zyf -- Date:20220531 ----for:【issues/#3629】 DictAspect Jackson序列化报错-----
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+ }
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+ items.add(item);
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+ }
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+
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+ //step.2 调用翻译方法,一次性翻译
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+ Map<String, List<DictModel>> translText = this.translateAllDict(dataListMap);
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+
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+ //step.3 将翻译结果填充到返回结果里
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+ for (JSONObject record : items) {
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+ for (Field field : dictFieldList) {
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+ String code = field.getAnnotation(Dict.class).dicCode();
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+ String text = field.getAnnotation(Dict.class).dicText();
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+ String table = field.getAnnotation(Dict.class).dictTable();
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+
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+ String fieldDictCode = code;
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+ if (!StringUtils.isEmpty(table)) {
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+ fieldDictCode = String.format("%s,%s,%s", table, text, code);
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+ }
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+
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+ String value = record.getString(field.getName());
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+ if (oConvertUtils.isNotEmpty(value)) {
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+ List<DictModel> dictModels = translText.get(fieldDictCode);
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+ if(dictModels==null || dictModels.size()==0){
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+ continue;
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+ }
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+
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+ String textValue = this.translDictText(dictModels, value);
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+ log.debug(" 字典Val : " + textValue);
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+ log.debug(" __翻译字典字段__ " + field.getName() + CommonConstant.DICT_TEXT_SUFFIX + ": " + textValue);
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+
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+ // TODO-sun 测试输出,待删
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+ log.debug(" ---- dictCode: " + fieldDictCode);
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+ log.debug(" ---- value: " + value);
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+ log.debug(" ----- text: " + textValue);
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+ log.debug(" ---- dictModels: " + JSON.toJSONString(dictModels));
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+
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+ record.put(field.getName() + CommonConstant.DICT_TEXT_SUFFIX, textValue);
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+ }
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+ }
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+ }
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+
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+ ((IPage) ((Result) result).getResult()).setRecords(items);
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+ }
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+
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+ }
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+ return result;
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+ }
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+
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+ /**
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+ * list 去重添加
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+ */
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+ private void listAddAllDeduplicate(List<String> dataList, List<String> addList) {
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+ // 筛选出dataList中没有的数据
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+ List<String> filterList = addList.stream().filter(i -> !dataList.contains(i)).collect(Collectors.toList());
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+ dataList.addAll(filterList);
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+ }
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+
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+ /**
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+ * 一次性把所有的字典都翻译了
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+ * 1. 所有的普通数据字典的所有数据只执行一次SQL
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+ * 2. 表字典相同的所有数据只执行一次SQL
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+ * @param dataListMap
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+ * @return
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+ */
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+ private Map<String, List<DictModel>> translateAllDict(Map<String, List<String>> dataListMap) {
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+ // 翻译后的字典文本,key=dictCode
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+ Map<String, List<DictModel>> translText = new HashMap<>(5);
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+ // 需要翻译的数据(有些可以从redis缓存中获取,就不走数据库查询)
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+ List<String> needTranslData = new ArrayList<>();
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+ //step.1 先通过redis中获取缓存字典数据
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+ for (String dictCode : dataListMap.keySet()) {
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+ List<String> dataList = dataListMap.get(dictCode);
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+ if (dataList.size() == 0) {
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+ continue;
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+ }
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+ // 表字典需要翻译的数据
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+ List<String> needTranslDataTable = new ArrayList<>();
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+ for (String s : dataList) {
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+ String data = s.trim();
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+ if (data.length() == 0) {
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+ continue; //跳过循环
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+ }
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+ if (dictCode.contains(",")) {
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+ String keyString = String.format("sys:cache:dictTable::SimpleKey [%s,%s]", dictCode, data);
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+ if (redisTemplate.hasKey(keyString)) {
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+ try {
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+ String text = oConvertUtils.getString(redisTemplate.opsForValue().get(keyString));
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+ List<DictModel> list = translText.computeIfAbsent(dictCode, k -> new ArrayList<>());
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+ list.add(new DictModel(data, text));
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+ } catch (Exception e) {
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+ log.warn(e.getMessage());
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+ }
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+ } else if (!needTranslDataTable.contains(data)) {
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+ // 去重添加
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+ needTranslDataTable.add(data);
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+ }
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+ } else {
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+ String keyString = String.format("sys:cache:dict::%s:%s", dictCode, data);
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+ if (redisTemplate.hasKey(keyString)) {
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+ try {
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+ String text = oConvertUtils.getString(redisTemplate.opsForValue().get(keyString));
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+ List<DictModel> list = translText.computeIfAbsent(dictCode, k -> new ArrayList<>());
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+ list.add(new DictModel(data, text));
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+ } catch (Exception e) {
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+ log.warn(e.getMessage());
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+ }
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+ } else if (!needTranslData.contains(data)) {
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+ // 去重添加
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+ needTranslData.add(data);
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+ }
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+ }
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+
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+ }
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+ //step.2 调用数据库翻译表字典
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+ if (needTranslDataTable.size() > 0) {
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+ String[] arr = dictCode.split(",");
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+ String table = arr[0], text = arr[1], code = arr[2];
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+ String values = String.join(",", needTranslDataTable);
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+ log.debug("translateDictFromTableByKeys.dictCode:" + dictCode);
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+ log.debug("translateDictFromTableByKeys.values:" + values);
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+ List<DictModel> texts = commonApi.translateDictFromTableByKeys(table, text, code, values);
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+ log.debug("translateDictFromTableByKeys.result:" + texts);
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+ List<DictModel> list = translText.computeIfAbsent(dictCode, k -> new ArrayList<>());
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+ list.addAll(texts);
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+
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+ // 做 redis 缓存
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+ for (DictModel dict : texts) {
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+ String redisKey = String.format("sys:cache:dictTable::SimpleKey [%s,%s]", dictCode, dict.getValue());
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+ try {
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+ // update-begin-author:taoyan date:20211012 for: 字典表翻译注解缓存未更新 issues/3061
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+ // 保留5分钟
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+ redisTemplate.opsForValue().set(redisKey, dict.getText(), 300, TimeUnit.SECONDS);
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+ // update-end-author:taoyan date:20211012 for: 字典表翻译注解缓存未更新 issues/3061
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+ } catch (Exception e) {
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+ log.warn(e.getMessage(), 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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+ //step.3 调用数据库进行翻译普通字典
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+ if (needTranslData.size() > 0) {
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+ List<String> dictCodeList = Arrays.asList(dataListMap.keySet().toArray(new String[]{}));
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+ // 将不包含逗号的字典code筛选出来,因为带逗号的是表字典,而不是普通的数据字典
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+ List<String> filterDictCodes = dictCodeList.stream().filter(key -> !key.contains(",")).collect(Collectors.toList());
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+ String dictCodes = String.join(",", filterDictCodes);
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+ String values = String.join(",", needTranslData);
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+ log.debug("translateManyDict.dictCodes:" + dictCodes);
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+ log.debug("translateManyDict.values:" + values);
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+ Map<String, List<DictModel>> manyDict = commonApi.translateManyDict(dictCodes, values);
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+ log.debug("translateManyDict.result:" + manyDict);
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+ for (String dictCode : manyDict.keySet()) {
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+ List<DictModel> list = translText.computeIfAbsent(dictCode, k -> new ArrayList<>());
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+ List<DictModel> newList = manyDict.get(dictCode);
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+ list.addAll(newList);
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+
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+ // 做 redis 缓存
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+ for (DictModel dict : newList) {
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+ String redisKey = String.format("sys:cache:dict::%s:%s", dictCode, dict.getValue());
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+ try {
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+ redisTemplate.opsForValue().set(redisKey, dict.getText());
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+ } catch (Exception e) {
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+ log.warn(e.getMessage(), e);
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+ }
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+ }
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+ }
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+ }
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+ return translText;
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+ }
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+
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+ /**
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+ * 字典值替换文本
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+ *
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+ * @param dictModels
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+ * @param values
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+ * @return
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+ */
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+ private String translDictText(List<DictModel> dictModels, String values) {
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+ List<String> result = new ArrayList<>();
|
|
|
+
|
|
|
+ // 允许多个逗号分隔,允许传数组对象
|
|
|
+ String[] splitVal = values.split(",");
|
|
|
+ for (String val : splitVal) {
|
|
|
+ String dictText = val;
|
|
|
+ for (DictModel dict : dictModels) {
|
|
|
+ if (val.equals(dict.getValue())) {
|
|
|
+ dictText = dict.getText();
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ result.add(dictText);
|
|
|
+ }
|
|
|
+ return String.join(",", result);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 翻译字典文本
|
|
|
+ * @param code
|
|
|
+ * @param text
|
|
|
+ * @param table
|
|
|
+ * @param key
|
|
|
+ * @return
|
|
|
+ */
|
|
|
+ @Deprecated
|
|
|
+ private String translateDictValue(String code, String text, String table, String key) {
|
|
|
+ if(oConvertUtils.isEmpty(key)) {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ StringBuffer textValue=new StringBuffer();
|
|
|
+ String[] keys = key.split(",");
|
|
|
+ for (String k : keys) {
|
|
|
+ String tmpValue = null;
|
|
|
+ log.debug(" 字典 key : "+ k);
|
|
|
+ if (k.trim().length() == 0) {
|
|
|
+ continue; //跳过循环
|
|
|
+ }
|
|
|
+ //update-begin--Author:scott -- Date:20210531 ----for: !56 优化微服务应用下存在表字段需要字典翻译时加载缓慢问题-----
|
|
|
+ if (!StringUtils.isEmpty(table)){
|
|
|
+ log.debug("--DictAspect------dicTable="+ table+" ,dicText= "+text+" ,dicCode="+code);
|
|
|
+ String keyString = String.format("sys:cache:dictTable::SimpleKey [%s,%s,%s,%s]",table,text,code,k.trim());
|
|
|
+ if (redisTemplate.hasKey(keyString)){
|
|
|
+ try {
|
|
|
+ tmpValue = oConvertUtils.getString(redisTemplate.opsForValue().get(keyString));
|
|
|
+ } catch (Exception e) {
|
|
|
+ log.warn(e.getMessage());
|
|
|
+ }
|
|
|
+ }else {
|
|
|
+ tmpValue= commonApi.translateDictFromTable(table,text,code,k.trim());
|
|
|
+ }
|
|
|
+ }else {
|
|
|
+ String keyString = String.format("sys:cache:dict::%s:%s",code,k.trim());
|
|
|
+ if (redisTemplate.hasKey(keyString)){
|
|
|
+ try {
|
|
|
+ tmpValue = oConvertUtils.getString(redisTemplate.opsForValue().get(keyString));
|
|
|
+ } catch (Exception e) {
|
|
|
+ log.warn(e.getMessage());
|
|
|
+ }
|
|
|
+ }else {
|
|
|
+ tmpValue = commonApi.translateDict(code, k.trim());
|
|
|
+ }
|
|
|
+ }
|
|
|
+ //update-end--Author:scott -- Date:20210531 ----for: !56 优化微服务应用下存在表字段需要字典翻译时加载缓慢问题-----
|
|
|
+
|
|
|
+ if (tmpValue != null) {
|
|
|
+ if (!"".equals(textValue.toString())) {
|
|
|
+ textValue.append(",");
|
|
|
+ }
|
|
|
+ textValue.append(tmpValue);
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+ return textValue.toString();
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * 检测返回结果集中是否包含Dict注解
|
|
|
+ * @param records
|
|
|
+ * @return
|
|
|
+ */
|
|
|
+ private Boolean checkHasDict(List<Object> records){
|
|
|
+ if(oConvertUtils.isNotEmpty(records) && records.size()>0){
|
|
|
+ for (Field field : oConvertUtils.getAllFields(records.get(0))) {
|
|
|
+ if (oConvertUtils.isNotEmpty(field.getAnnotation(Dict.class))) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+}
|