zhangherong
2025-06-25 23855599412c4d61b38d78f0f3abd3430a48b5b1
lxzn-boot-base-core/src/main/java/org/jeecg/common/aspect/DictAspect.java
¶Ô±ÈÐÂÎļþ
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package org.jeecg.common.aspect;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.parser.Feature;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.extern.slf4j.Slf4j;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.jeecg.common.api.CommonAPI;
import org.jeecg.common.api.vo.Result;
import org.jeecg.common.aspect.annotation.Dict;
import org.jeecg.common.constant.CommonConstant;
import org.jeecg.common.system.vo.DictModel;
import org.jeecg.common.util.oConvertUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Lazy;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import java.lang.reflect.Field;
import java.util.*;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
/**
 * @Description: å­—å…¸aopç±»
 * @Author: dangzhenghui
 * @Date: 2019-3-17 21:50
 * @Version: 1.0
 */
@Aspect
@Component
@Slf4j
public class DictAspect {
    @Lazy
    @Autowired
    private CommonAPI commonApi;
    @Autowired
    public RedisTemplate redisTemplate;
    @Autowired
    private ObjectMapper objectMapper;
    private static final String JAVA_UTIL_DATE = "java.util.Date";
    /**
     * å®šä¹‰åˆ‡ç‚¹Pointcut
     */
    @Pointcut("execution(public * org.jeecg.modules..*.*Controller.*(..)) || @annotation(org.jeecg.common.aspect.annotation.AutoDict)")
    public void excudeService() {
    }
    @Around("excudeService()")
    public Object doAround(ProceedingJoinPoint pjp) throws Throwable {
       long time1=System.currentTimeMillis();
        Object result = pjp.proceed();
        long time2=System.currentTimeMillis();
        log.debug("获取JSON数据 è€—时:"+(time2-time1)+"ms");
        long start=System.currentTimeMillis();
        result=this.parseDictText(result);
        long end=System.currentTimeMillis();
        log.debug("注入字典到JSON数据  è€—æ—¶"+(end-start)+"ms");
        return result;
    }
    /**
     * æœ¬æ–¹æ³•针对返回对象为Result çš„IPage的分页列表数据、List数据(集合里面又套了一层集合是不支持)进行动态字典注入
     * å­—典注入实现 é€šè¿‡å¯¹å®žä½“类添加注解@dict æ¥æ ‡è¯†éœ€è¦çš„字典内容,字典分为单字典code即可 ï¼Œtable字典 code table text配合使用与原来jeecg的用法相同
     * ç¤ºä¾‹ä¸ºSysUser   å­—段为sex æ·»åŠ äº†æ³¨è§£@Dict(dicCode = "sex") ä¼šåœ¨å­—典服务立马查出来对应的text ç„¶åŽåœ¨è¯·æ±‚list的时候将这个字典text,已字段名称加_dictText形式返回到前端
     * ä¾‹è¾“入当前返回值的就会多出一个sex_dictText字段
     * {
     *      sex:1,
     *      sex_dictText:"男"
     * }
     * å‰ç«¯ç›´æŽ¥å–值sext_dictText在table里面无需再进行前端的字典转换了
     *  customRender:function (text) {
     *               if(text==1){
     *                 return "男";
     *               }else if(text==2){
     *                 return "女";
     *               }else{
     *                 return text;
     *               }
     *             }
     *             ç›®å‰vue是这么进行字典渲染到table上的多了就很麻烦了 è¿™ä¸ªç›´æŽ¥åœ¨æœåŠ¡ç«¯æ¸²æŸ“å®Œæˆå‰ç«¯å¯ä»¥ç›´æŽ¥ç”¨
     * @param result
     */
    private Object parseDictText(Object result) {
        if (result instanceof Result) {
            if (((Result) result).getResult() instanceof IPage) {
                List<JSONObject> items = new ArrayList<>();
                //step.1 ç­›é€‰å‡ºåŠ äº† Dict æ³¨è§£çš„字段列表
                List<Field> dictFieldList = new ArrayList<>();
                // å­—典数据列表, key = å­—å…¸code,value=数据列表
                Map<String, List<String>> dataListMap = new HashMap<>(5);
                //取出结果集
                List<Object> records=((IPage) ((Result) result).getResult()).getRecords();
                //update-begin--Author:zyf -- Date:20220606 ----for:【VUEN-1230】 åˆ¤æ–­æ˜¯å¦å«æœ‰å­—典注解,没有注解返回-----
                Boolean hasDict= checkHasDict(records);
                if(!hasDict){
                    return result;
                }
        log.debug(" __ è¿›å…¥å­—典翻译切面 DictAspect â€”— " );
        //update-end--Author:zyf -- Date:20220606 ----for:【VUEN-1230】 åˆ¤æ–­æ˜¯å¦å«æœ‰å­—典注解,没有注解返回-----
        for (Object record : records) {
            String json="{}";
            try {
                //update-begin--Author:zyf -- Date:20220531 ----for:【issues/#3629】 DictAspect Jackson序列化报错-----
                //解决@JsonFormat注解解析不了的问题详见SysAnnouncement类的@JsonFormat
                json = objectMapper.writeValueAsString(record);
                //update-end--Author:zyf -- Date:20220531 ----for:【issues/#3629】 DictAspect Jackson序列化报错-----
            } catch (JsonProcessingException e) {
                log.error("json解析失败"+e.getMessage(),e);
            }
            //update-begin--Author:scott -- Date:20211223 ----for:【issues/3303】restcontroller返回json数据后key顺序错乱 -----
            JSONObject item = JSONObject.parseObject(json, Feature.OrderedField);
            //update-end--Author:scott -- Date:20211223 ----for:【issues/3303】restcontroller返回json数据后key顺序错乱 -----
            //update-begin--Author:scott -- Date:20190603 ----for:解决继承实体字段无法翻译问题------
            //for (Field field : record.getClass().getDeclaredFields()) {
            // éåŽ†æ‰€æœ‰å­—æ®µï¼ŒæŠŠå­—å…¸Code取出来,放到 map é‡Œ
            for (Field field : oConvertUtils.getAllFields(record)) {
                String value = item.getString(field.getName());
                if (oConvertUtils.isEmpty(value)) {
                    continue;
                }
                //update-end--Author:scott  -- Date:20190603 ----for:解决继承实体字段无法翻译问题------
                if (field.getAnnotation(Dict.class) != null) {
                    if (!dictFieldList.contains(field)) {
                        dictFieldList.add(field);
                    }
                    String code = field.getAnnotation(Dict.class).dicCode();
                    String text = field.getAnnotation(Dict.class).dicText();
                    String table = field.getAnnotation(Dict.class).dictTable();
                    List<String> dataList;
                    String dictCode = code;
                    if (!StringUtils.isEmpty(table)) {
                        dictCode = String.format("%s,%s,%s", table, text, code);
                    }
                    dataList = dataListMap.computeIfAbsent(dictCode, k -> new ArrayList<>());
                    this.listAddAllDeduplicate(dataList, Arrays.asList(value.split(",")));
                }
                //date类型默认转换string格式化日期
                //update-begin--Author:zyf -- Date:20220531 ----for:【issues/#3629】 DictAspect Jackson序列化报错-----
                //if (JAVA_UTIL_DATE.equals(field.getType().getName())&&field.getAnnotation(JsonFormat.class)==null&&item.get(field.getName())!=null){
                //SimpleDateFormat aDate=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
                // item.put(field.getName(), aDate.format(new Date((Long) item.get(field.getName()))));
                //}
                //update-end--Author:zyf -- Date:20220531 ----for:【issues/#3629】 DictAspect Jackson序列化报错-----
            }
            items.add(item);
        }
        //step.2 è°ƒç”¨ç¿»è¯‘方法,一次性翻译
        Map<String, List<DictModel>> translText = this.translateAllDict(dataListMap);
        //step.3 å°†ç¿»è¯‘结果填充到返回结果里
        for (JSONObject record : items) {
            for (Field field : dictFieldList) {
                String code = field.getAnnotation(Dict.class).dicCode();
                String text = field.getAnnotation(Dict.class).dicText();
                String table = field.getAnnotation(Dict.class).dictTable();
                String fieldDictCode = code;
                if (!StringUtils.isEmpty(table)) {
                    fieldDictCode = String.format("%s,%s,%s", table, text, code);
                }
                String value = record.getString(field.getName());
                if (oConvertUtils.isNotEmpty(value)) {
                    List<DictModel> dictModels = translText.get(fieldDictCode);
                    if(dictModels==null || dictModels.size()==0){
                        continue;
                    }
                    String textValue = this.translDictText(dictModels, value);
                    log.debug(" å­—å…¸Val : " + textValue);
                    log.debug(" __翻译字典字段__ " + field.getName() + CommonConstant.DICT_TEXT_SUFFIX + ": " + textValue);
                    // TODO-sun æµ‹è¯•输出,待删
                    log.debug(" ---- dictCode: " + fieldDictCode);
                    log.debug(" ---- value: " + value);
                    log.debug(" ----- text: " + textValue);
                    log.debug(" ---- dictModels: " + JSON.toJSONString(dictModels));
                    record.put(field.getName() + CommonConstant.DICT_TEXT_SUFFIX, textValue);
                }
            }
        }
                ((IPage) ((Result) result).getResult()).setRecords(items);
            }
        }
        return result;
    }
    /**
     * list åŽ»é‡æ·»åŠ 
     */
    private void listAddAllDeduplicate(List<String> dataList, List<String> addList) {
        // ç­›é€‰å‡ºdataList中没有的数据
        List<String> filterList = addList.stream().filter(i -> !dataList.contains(i)).collect(Collectors.toList());
        dataList.addAll(filterList);
    }
    /**
     * ä¸€æ¬¡æ€§æŠŠæ‰€æœ‰çš„字典都翻译了
     * 1.  æ‰€æœ‰çš„æ™®é€šæ•°æ®å­—典的所有数据只执行一次SQL
     * 2.  è¡¨å­—典相同的所有数据只执行一次SQL
     * @param dataListMap
     * @return
     */
    private Map<String, List<DictModel>> translateAllDict(Map<String, List<String>> dataListMap) {
        // ç¿»è¯‘后的字典文本,key=dictCode
        Map<String, List<DictModel>> translText = new HashMap<>(5);
        // éœ€è¦ç¿»è¯‘的数据(有些可以从redis缓存中获取,就不走数据库查询)
        List<String> needTranslData = new ArrayList<>();
        //step.1 å…ˆé€šè¿‡redis中获取缓存字典数据
        for (String dictCode : dataListMap.keySet()) {
            List<String> dataList = dataListMap.get(dictCode);
            if (dataList.size() == 0) {
                continue;
            }
            // è¡¨å­—典需要翻译的数据
            List<String> needTranslDataTable = new ArrayList<>();
            for (String s : dataList) {
                String data = s.trim();
                if (data.length() == 0) {
                    continue; //跳过循环
                }
                if (dictCode.contains(",")) {
                    String keyString = String.format("sys:cache:dictTable::SimpleKey [%s,%s]", dictCode, data);
                    if (redisTemplate.hasKey(keyString)) {
                        try {
                            String text = oConvertUtils.getString(redisTemplate.opsForValue().get(keyString));
                            List<DictModel> list = translText.computeIfAbsent(dictCode, k -> new ArrayList<>());
                            list.add(new DictModel(data, text));
                        } catch (Exception e) {
                            log.warn(e.getMessage());
                        }
                    } else if (!needTranslDataTable.contains(data)) {
                        // åŽ»é‡æ·»åŠ 
                        needTranslDataTable.add(data);
                    }
                } else {
                    String keyString = String.format("sys:cache:dict::%s:%s", dictCode, data);
                    if (redisTemplate.hasKey(keyString)) {
                        try {
                            String text = oConvertUtils.getString(redisTemplate.opsForValue().get(keyString));
                            List<DictModel> list = translText.computeIfAbsent(dictCode, k -> new ArrayList<>());
                            list.add(new DictModel(data, text));
                        } catch (Exception e) {
                            log.warn(e.getMessage());
                        }
                    } else if (!needTranslData.contains(data)) {
                        // åŽ»é‡æ·»åŠ 
                        needTranslData.add(data);
                    }
                }
            }
            //step.2 è°ƒç”¨æ•°æ®åº“翻译表字典
            if (needTranslDataTable.size() > 0) {
                String[] arr = dictCode.split(",");
                String table = arr[0], text = arr[1], code = arr[2];
                String values = String.join(",", needTranslDataTable);
                log.debug("translateDictFromTableByKeys.dictCode:" + dictCode);
                log.debug("translateDictFromTableByKeys.values:" + values);
                List<DictModel> texts = commonApi.translateDictFromTableByKeys(table, text, code, values);
                log.debug("translateDictFromTableByKeys.result:" + texts);
                List<DictModel> list = translText.computeIfAbsent(dictCode, k -> new ArrayList<>());
                list.addAll(texts);
                // åš redis ç¼“å­˜
                for (DictModel dict : texts) {
                    String redisKey = String.format("sys:cache:dictTable::SimpleKey [%s,%s]", dictCode, dict.getValue());
                    try {
                        // update-begin-author:taoyan date:20211012 for: å­—典表翻译注解缓存未更新 issues/3061
                        // ä¿ç•™5分钟
                        redisTemplate.opsForValue().set(redisKey, dict.getText(), 300, TimeUnit.SECONDS);
                        // update-end-author:taoyan date:20211012 for: å­—典表翻译注解缓存未更新 issues/3061
                    } catch (Exception e) {
                        log.warn(e.getMessage(), e);
                    }
                }
            }
        }
        //step.3 è°ƒç”¨æ•°æ®åº“进行翻译普通字典
        if (needTranslData.size() > 0) {
            List<String> dictCodeList = Arrays.asList(dataListMap.keySet().toArray(new String[]{}));
            // å°†ä¸åŒ…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
            List<String> filterDictCodes = dictCodeList.stream().filter(key -> !key.contains(",")).collect(Collectors.toList());
            String dictCodes = String.join(",", filterDictCodes);
            String values = String.join(",", needTranslData);
            log.debug("translateManyDict.dictCodes:" + dictCodes);
            log.debug("translateManyDict.values:" + values);
            Map<String, List<DictModel>> manyDict = commonApi.translateManyDict(dictCodes, values);
            log.debug("translateManyDict.result:" + manyDict);
            for (String dictCode : manyDict.keySet()) {
                List<DictModel> list = translText.computeIfAbsent(dictCode, k -> new ArrayList<>());
                List<DictModel> newList = manyDict.get(dictCode);
                list.addAll(newList);
                // åš redis ç¼“å­˜
                for (DictModel dict : newList) {
                    String redisKey = String.format("sys:cache:dict::%s:%s", dictCode, dict.getValue());
                    try {
                        redisTemplate.opsForValue().set(redisKey, dict.getText());
                    } catch (Exception e) {
                        log.warn(e.getMessage(), e);
                    }
                }
            }
        }
        return translText;
    }
    /**
     * å­—典值替换文本
     *
     * @param dictModels
     * @param values
     * @return
     */
    private String translDictText(List<DictModel> dictModels, String values) {
        List<String> result = new ArrayList<>();
        // å…è®¸å¤šä¸ªé€—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);
    }
    /**
     *  ç¿»è¯‘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(" å­—å…¸ key : "+ k);
            if (k.trim().length() == 0) {
                continue; //跳过循环
            }
            //update-begin--Author:scott -- Date:20210531 ----for: !56 ä¼˜åŒ–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 ä¼˜åŒ–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();
    }
    /**
     * æ£€æµ‹è¿”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;
    }
}