Java tutorial
/** * Copyright (c) 2016-2020, ?- (77079588@qq.com). * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.zfer.kit.excel.importor; import java.util.ArrayList; import java.util.List; import java.util.Map; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.ss.usermodel.Sheet; import com.zfer.kit.excel.ExcelPoiKit; /* * Template Excel Importor */ public class ExcelTemplateImportor<T> extends ExcelAbstractImportor<T> { @Override public void initConfig() throws Exception { ExcelPoiKit excelKit = new ExcelPoiKit(); excelKit.handleExcel("", getTemplateExcelInputStream()); Sheet sheet = excelKit.getSheet();//ExcelPoiKit.getSheet("", getTemplateExcelInputStream()); if (sheet == null) return; int rows = sheet.getPhysicalNumberOfRows(); if (rows <= 0) return; //1.get 0 row,get colNum - FieldName Map Map<Integer, String> colNumAndFieldNameMap = ExcelPoiKit.getColNumAndValMap(sheet.getRow(0)); super.setColNumAndFieldNameMap(colNumAndFieldNameMap); //2.get 1 row,get colNum - FieldDisplayName Map Map<Integer, String> colNumAndFieldDisplayNameMap = ExcelPoiKit.getColNumAndValMap(sheet.getRow(1)); super.setColNumAndFieldDisplayNameMap(colNumAndFieldDisplayNameMap); //3.get 2 row,get required value Fields List Row validateRequiredFieldRow = sheet.getRow(2); List<Integer> requiredFieldsList = new ArrayList<Integer>(); Map<Integer, String> colNumAndRequiredValMap = ExcelPoiKit.getColNumAndValMap(validateRequiredFieldRow); for (Map.Entry<Integer, String> entry : colNumAndRequiredValMap.entrySet()) { if ("required".equals(entry.getValue())) { requiredFieldsList.add(entry.getKey()); } } super.setRequiredFieldsList(requiredFieldsList); //4.get 3 row,get colNum - value regex Map<Integer, String> colNumAndFieldValRegexMap = ExcelPoiKit.getColNumAndValMap(sheet.getRow(3)); super.setColNumAndFieldValRegexMap(colNumAndFieldValRegexMap); } }