DictAspect.java
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package com.skua.config.aspect;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.skua.core.api.vo.Result;
import com.skua.core.aspect.annotation.Dict;
import com.skua.core.constant.CommonConstant;
import com.skua.core.util.ConvertUtils;
import com.skua.modules.system.service.ISysDictService;
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.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import java.lang.reflect.Field;
import java.text.SimpleDateFormat;
import java.util.*;
/**
* 字典aop类
*/
@Aspect
@Component
@Slf4j
@Order(1)
public class DictAspect {
@Autowired
private ISysDictService dictService;
// 定义切点Pointcut
@Pointcut("execution(public * com.skua.modules..*.*Controller.*(..))")
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 耗时："+(time2-time1)+"ms");
long start=System.currentTimeMillis();
this.parseDictText(result);
long end=System.currentTimeMillis();
log.debug("解析注入JSON数据 耗时"+(end-start)+"ms");
return result;
}
/**
* 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
* 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
* 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
* 例输入当前返回值的就会多出一个sex_dictText字段
* {
* sex:1,
* sex_dictText:"男"
* }
* 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
* customRender:function (text) {
* if(text==1){
* return "男";
* }else if(text==2){
* return "女";
* }else{
* return text;
* }
* }
* 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
* @param result
*/
private void parseDictText(Object result) {
Map<String, Map<String,String>> businessMap = new HashMap<>();
Map<String,Map<String,String>> dictMap = new HashMap<>();
if (result instanceof Result) {
if (((Result) result).getResult() instanceof IPage) {
List<JSONObject> items = new ArrayList<>();
for (Object record : ((IPage) ((Result) result).getResult()).getRecords()) {
ObjectMapper mapper = new ObjectMapper();
String json="{}";
try {
//解决@JsonFormat注解解析不了的问题详见SysAnnouncement类的@JsonFormat
json = mapper.writeValueAsString(record);
} catch (JsonProcessingException e) {
log.error("json解析失败"+e.getMessage(),e);
}
JSONObject item = JSONObject.parseObject(json);
//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()) {
for (Field field : ConvertUtils.getAllFields(record)) {
//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) {
String code = field.getAnnotation(Dict.class).dicCode();
String text = field.getAnnotation(Dict.class).dicText();
String table = field.getAnnotation(Dict.class).dictTable();
String key = String.valueOf(item.get(field.getName()));
String textValue = "";
//翻译字典值对应的txt
if(!org.apache.commons.lang3.StringUtils.isBlank(table)){
if (!businessMap.containsKey(table)){
//获取table的集合
Map<String, Map<String,String>> map = dictService.getBusinessMap(code,table,text);
businessMap.putAll(map);
}
String[] keys = key.split(",");
StringBuilder textValueStringBuilder = new StringBuilder();
for (String k : keys){
if(businessMap.get(table).get(k) != null) {
textValueStringBuilder.append(",");
textValueStringBuilder.append(businessMap.get(table).get(k));
}
}
textValue = textValueStringBuilder.toString().replaceFirst(",","");
}else{
if (!dictMap.containsKey(code)){
Map<String, Map<String,String>> map = dictService.getDictMap(code);
dictMap.putAll(map);
}
String[] keys = key.split(",");
StringBuilder textValueStringBuilder = new StringBuilder();
for (String k : keys){
if(dictMap.get(code).get(k) != null) {
textValueStringBuilder.append(",");
textValueStringBuilder.append(dictMap.get(code).get(k));
}
}
textValue = textValueStringBuilder.toString().replaceFirst(",","");
}
//翻译字典值对应的txt
// String textValue = translateDictValue(code, text, table, key);
log.debug(" 字典Val : "+ textValue);
log.debug(" __翻译字典字段__ "+field.getName() + CommonConstant.DICT_TEXT_SUFFIX+"： "+ textValue);
item.put(field.getName() + CommonConstant.DICT_TEXT_SUFFIX, textValue);
}
//date类型默认转换string格式化日期
if (field.getType().getName().equals("java.util.Date")&&field.getAnnotation(JsonFormat.class)==null&&item.get(field.getName())!=null){
String pattern = "yyyy-MM-dd HH:mm:ss";
if(field.getAnnotation(JsonFormat.class)!=null) {
pattern = field.getAnnotation(JsonFormat.class).pattern();
if(StringUtils.isEmpty(pattern)) {
pattern = "yyyy-MM-dd HH:mm:ss";
}
}
SimpleDateFormat aDate=new SimpleDateFormat(pattern);
item.put(field.getName(), aDate.format(new Date((Long) item.get(field.getName()))));
}
}
items.add(item);
}
((IPage) ((Result) result).getResult()).setRecords(items);
}
}
}
/**
* 翻译字典文本
* @param code
* @param text
* @param table
* @param key
* @return
*/
private String translateDictValue(String code, String text, String table, String key) {
if(ConvertUtils.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
}
if (!StringUtils.isEmpty(table)){
tmpValue= dictService.queryTableDictTextByKey(table,text,code,k.trim());
}else {
tmpValue = dictService.queryDictTextByKey(code, k.trim());
}
if (tmpValue != null) {
if (!"".equals(textValue.toString())) {
textValue.append(",");
}
textValue.append(tmpValue);
}
}
return textValue.toString();
}
}