aggregation-platform/test/com/platform/test/ExcelTest.java

package com.platform.test;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.junit.Test;
import org.springframework.core.io.ClassPathResource;

import com.platform.entities.PreDataInfo;
import com.platform.entities.RegionalismEntity;
import com.platform.utils.BeanCopy;
import com.platform.utils.Constant;
import com.platform.utils.excelUtils.ExcelOperation;

public class ExcelTest {
	
	@Test
	public void writeData() {
		Date date = new Date();
		PreDataInfo info = new PreDataInfo();
		info.setAnalysisOfFinancialEconomicProsperity("否");
		info.setGovernmentDebtManage("是");;
		info.setAreaCode("321167");
		info.setBeginUseTime("201107");
		info.setFunctionDetails("这是一个神奇的功能");
		info.setDataVersion("2");
		List<PreDataInfo> list = new ArrayList<PreDataInfo>();
		for (int i = 0; i < 4; i++) {
			list.add(info);
		}
//		InputStreamReader in= new InputStreamReader(Resource.class.getResourceAsStream(templateFilePath), "UTF-8");
		ClassPathResource res = new ClassPathResource(Constant.SYSTEM_INFO_EXCEL_TEMPLATE_FIEL_PATH);
		//此处 耗时太久：（原因：excel 2007 以后采用的方式不同造成的建议升级 到 poi 3.15以上）
		XSSFWorkbook workbook = null;
		XSSFWorkbook result = null;
		try {
			workbook = new XSSFWorkbook(res.getInputStream());
			result = ExcelOperation.writeExcelTemplate(workbook, Constant.EXCEL_TEMPLATE_INIT_ROW, 0, 25, list,"id", "workRange","sysCode","updateTime");
		} catch (IllegalArgumentException
				| IllegalAccessException | IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		System.out.println("----"+result);
		
		try {
			File f = new File("D:/test/6.xlsx");
			FileOutputStream fileOut = null;
			if (f.exists()) {
				f.createNewFile();
				fileOut = new FileOutputStream(f);
				result.write(fileOut);
				fileOut.close();
			}
			else {
				f.createNewFile();
				fileOut = new FileOutputStream(f);
				result.write(fileOut);
				fileOut.close();
			}
			File f3 = new File("D:/test/3.xlsx");
			f3.delete();
			
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		Date date2 = new Date();
		System.out.println("complete： "+ (date2.getTime()-date.getTime()));
	}
	
	@SuppressWarnings("unchecked")
	@Test
	public void readData() {
		List<PreDataInfo> list = new ArrayList<PreDataInfo>();
		//此处 耗时太久：（原因：excel 2007 以后采用的方式不同造成的建议升级 到 poi 3.15以上）
		File f = new File("D:/test/4.xlsx");
		Date d = new Date();
		XSSFWorkbook workbook = null;
		try {
			workbook = new XSSFWorkbook(f);
			list = ExcelOperation.readExcel4Update(workbook,  Constant.EXCEL_TEMPLATE_INIT_ROW, 0, PreDataInfo.class, "workRange","id","sysCode","updateTime");
		} catch (IllegalArgumentException
				| IllegalAccessException | InstantiationException | InvalidFormatException | IOException e) {
			e.printStackTrace();
		}
		System.err.println(new Date().getTime() - d.getTime());
		System.out.println("----"+list.size());
	}
	
	@Test
	public void listRemoveAllTest() {
		// TODO Auto-generated method stub
		List<String> all = new ArrayList<String>();
		all.add("a");
		all.add("b");
		List<String> sub = new ArrayList<String>();
		sub.add("a");
		all.removeAll(sub);
		System.out.println(all.size());
		

	}
	
	@Test
	public void copyTest() {
		// TODO Auto-generated method stub
		PreDataInfo info = new PreDataInfo();
		info.setAnalysisOfFinancialEconomicProsperity("否");
		info.setAreaCode("321167");
		info.setBeginUseTime("201107");
		info.setFunctionDetails("这是一个神奇的功能");
		info.setDataVersion("2");
		
		PreDataInfo full = new PreDataInfo();
			try {
				BeanCopy.copyBean(info, full,"id");
			} catch (Exception e1) {
				// TODO Auto-generated catch block
				e1.printStackTrace();
			}
		System.err.println(full.getAreaCode());
		System.err.println(full.getBeginUseTime()+"------\n");
		
//		PreDataInfoFull full2 = (PreDataInfoFull) info;
//		System.err.println(full2.getAreaCode());
//		System.err.println(full2.getBeginUseTime());
	}
	
	@Test
	public void Map2List() {
		Map<String,RegionalismEntity> areaMap = new HashMap<String, RegionalismEntity>();
		RegionalismEntity region = new RegionalismEntity();
		region.setCode("321");
		region.setCityName("市");
		region.setDistrictName("县");
		areaMap.put(region.getCode(), region);
		RegionalismEntity region2 = new RegionalismEntity();
		region2.setCode("3221");
		region2.setCityName("市2");
		region2.setDistrictName("县2");
		areaMap.put(region2.getCode(), region2);

		List<RegionalismEntity> list = new ArrayList<RegionalismEntity>();
//		list.addAll((Collection<? extends RegionalismEntity>) areaMap);
		;
		for ( String key : areaMap.keySet()) {
			list.add(areaMap.get(key));
		}
		System.err.println(list.size());
		System.err.println(list.get(0).getCityName());
	}

}