Map＜String,List＜String＞＞

心已赠人 2022-10-12 01:32 155阅读 0赞

List<Map<String,String>> jiaoXueJiHuaList = testMapper.selectJiaoXueJiHuaList();
    Map<String,List<String>> jiaoXueJiHuaMap = new HashMap<>();
    
    for (Map<String, String> map : jiaoXueJiHuaList) {
        List<String> kchList = new ArrayList<>();
        jiaoXueJiHuaMap.put(map.get("id"),kchList);
    }
    List<Map<String,String>> jHuaKeChengList = testMapper.selectJiaoXueJiHuaKeChengList() ;
    for (Map<String, String> map : jHuaKeChengList ) {
        List<String> kchList = jiaoXueJiHuaMap.get(map.get("id"));
        kchList.add(map.get("kch"));
        jiaoXueJiHuaMap.put(map.get("id"),kchList);
    }
    
    List<Map<String,String>> mxOldList = testMapper.getMxOldList();
    Map<String, List<String>> mxKchMap = new HashMap<>();
    for (Map<String, String> map : mxOldList) {
        String xh = map.get("xh");
        List<String> mxKchList = mxKchMap.get(xh);
        if (mxKchList != null && mxKchList.size()>0){
           mxKchList.add(map.get("kch"));
        }else{
           mxKchList = new ArrayList<>();
           mxKchList.add(map.get("kch"));
        }
    
        mxKchMap.put(xh,mxKchList);
     }

Map＜String,List＜String＞＞

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