private void deliverForToolRecommad(List<DeliverDepartingEmploveeVO>deliverDepartingEmployeeVOList) ( RecommendVo recommendVo = new RecommendVo(); List<String> statusList = new ArrayList<> (Arrays.asList("4", "1", "7")); recommendVo.setIntroduceStatusForQry(statusList); List<RecommendEntity> recommendEntityList = DBUtil. selectList("recommend query RecommendList", recommendVo); if (recommendEntityList.stream().anyMatch(recommendEntity -> deliverDepartingEmployeeVOList.stream().anyMatch(p->p.equals(recommendEntity getEvaluator())))){ DeliverDeparting EmployeeVO vo = new DeliverDeparting EmployeeVO(); vo.setNextAppPerson("yangjunjie-yfzx,dengxiaoqing-yfzx"); deliverDepartingEmployeeVOList.add(vo);}} 加上需求：在第一个if判断后，如果结果为true，recommendEntity中的getBizNo判空处理

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List<List<Poker>> hand = new ArrayList<>(); List<Poker> hand1 = new ArrayList<>(); List<Poker> hand2 = new ArrayList<>(); List<Poker> hand3 = new ArrayList<>(); hand.add(hand1); hand.add(hand2)...

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inventoryButton.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { if (isFastClick()) { showLoadToast(); goToMainActivity(); loadExcelFile(); } } private boolean isFastClick() { return ButtonOnCilk.isFastViewClick(inventoryButton, getBaseContext()); } private void showLoadToast() { CustomToast.showLoad(HomeActivity.this, getString(R.string.load)); } private void goToMainActivity() { Intent intent = new Intent(getApplicationContext(), MainActivity.class); intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); startActivity(intent); } private void loadExcelFile() { new AsyncTask<Void, Void, List<String>>() { @Override protected List<String> doInBackground(Void... voids) { return readExcelFile(); } @Override protected void onPostExecute(List<String> data) { showDataInListView(data); } }.execute(); } private void showDataInListView(List<String> data) { listView = findViewById(R.id.rv_list); if (listView != null) { ArrayAdapter<String> adapter = new ArrayAdapter<>(HomeActivity.this, android.R.layout.simple_list_item_1, data); listView.setAdapter(adapter); } } });private List<String> readExcelFile() { List<String> datas = new ArrayList<>(); try { FileInputStream inputStream = new FileInputStream("/sdcard/Template/IC1001.xlsx"); Workbook workbook = WorkbookFactory.create(inputStream); Sheet sheet = workbook.getSheetAt(0); for (Row row : sheet) { for (Cell cell : row) { datas.add(cell.toString()); } } workbook.close(); } catch (IOException | InvalidFormatException e) { e.printStackTrace(); } return datas; }报错List>�޷�ת��ΪList<String> return readExcelFile();

看起来你的问题是在代码中调用 readExcelFile() 方法返回了 List<List<String>> 类型的数据，但是在调用 showDataInListView() 方法时需要传入 List<String> 类型的数据，导致类型不匹配。你可以尝试将 ...

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inventoryButton.setOnClickListener( new View.OnClickListener() { @Override public void onClick(View v) { if (isFastClick()) { showLoadToast(); goToMainActivity(); loadExcelFile(); } } private boolean isFastClick() { return ButtonOnCilk.isFastViewClick(inventoryButton, getBaseContext()); } private void showLoadToast() { CustomToast.showLoad(HomeActivity.this, getString(R.string.load)); } private void goToMainActivity() { Intent intent = new Intent(getApplicationContext(), MainActivity.class); intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); startActivity(intent); } private void loadExcelFile() { new AsyncTask<Void, Void, List<String>>() { @Override protected List<String> doInBackground(Void... voids) { return readExcelFile(); } @Override protected void onPostExecute(List<String> data) { showDataInListView(data); } }.execute(); } private void showDataInListView(List<String> data) { listView = findViewById(R.id.rv_list); if (listView != null) { ArrayAdapter<String> adapter = new ArrayAdapter<>(HomeActivity.this, android.R.layout.simple_list_item_1, data); listView.setAdapter(adapter); } } }); private List<String> readExcelFile() { List<String> datas = new ArrayList<>(); try (FileInputStream inputStream = new FileInputStream("/sdcard/Template/IC1001.xlsx"); Workbook workbook = WorkbookFactory.create(inputStream)) { Sheet sheet = workbook.getSheetAt(0); Iterator<Row> rowIterator = sheet.rowIterator(); while (rowIterator.hasNext()) { Row row = rowIterator.next(); Iterator<Cell> cellIterator = row.cellIterator(); while (cellIterator.hasNext()) { Cell cell = cellIterator.next(); datas.add(cell.toString()); } } } catch (IOException | InvalidFormatException e) { e.printStackTrace(); } return datas; }如何优化，举例说明

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不是这个意思,我给你看下我的代码: 这是我的泛型接口： @Component public interface TaskletService<T> { List<T> match(List<String> strList, Map<String,Object> map) throws ParseException; } 这是针对接口的策略实现类，有10个，我只列举三个： @Component public class ADLoanEntity4Tasklet implements TaskletService<LoanEntity> { @Override public List<LoanEntity> match(List<String> strList, Map<String, Object> map) throws ParseException { List<LoanEntity> list = new ArrayList<>(); return list; } } @Component public class ABLoanEntity4Tasklet implements TaskletService<LoanEntity> { @Override public List<LoanEntity> match(List<String> strList, Map<String, Object> map) throws ParseException { List<LoanEntity> list = new ArrayList<>(); return list; } } @Component public class ADLoanHisEntity4Tasklet implements TaskletService<LoanHisEntity> { @Override public List<LoanHisEntity> match(List<String> strList, Map<String, Object> map) throws ParseException { List<LoanHisEntity> list = new ArrayList<>(); return list; } } 这是Context类: @Component public class TaskletContext<T> { private TaskletService<T> taskletService; @Autowired public void setTaskletService(TaskletService<T> taskletService) { this.taskletService = taskletService; } public List<T> executeTaskletService(List<String> strList, Map<String,Object> map) throws ParseException { return taskletService.match(strList,map); } } 我现在想在main方法中去调用ADLoanEntity4Tasklet,ABLoanEntity4Tasklet,ADLoanHisEntity4Tasklet去处理不同的业务,请问该如何调用?

public static void main(String[] args) throws ParseException { // 创建 Spring 应用上下文 ApplicationContext context = new AnnotationConfigApplicationContext(YourConfigClass.class); // 创建 ...

java实体带有@ExcelProperty注解的可以转成List>吗？

List<List<String>> dataList = new ArrayList<>(); // 获取实体类中所有声明的字段 Field[] fields = entity.getClass().getDeclaredFields(); // 遍历字段列表 for (Field field : fields) { // 检查字段...

List<Map<String, Object>> 转换为 List<Entity> 其中String是属性值

List<Entity> listEntity = new ArrayList<>(); for (Map<String, Object> map : listMap) { Entity entity = new Entity(); entity.setProperty(map.get("property").toString()); listEntity.add(entity); }...

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List<Map<String, Integer>> list = new ArrayList<>(); Map<String, Integer> map1 = new HashMap<>(); map1.put("key", 3); map1.put("value", 100); list.add(map1); Map<String, Integer> map2 = new ...

JAVA实现list<string>转换成多叉树结构代码

List<String> list = new ArrayList<>(); list.add("A,B,C,D"); list.add("A,B,C,E,F"); list.add("A,G,H,I"); TreeNode root = TreeNode.buildTree(list); printTree(root, 0); } private static void ...

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