工具类

Posted yijiushengjing

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package com.dita.lotus.service.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

import com.dita.lotus.web.rest.vm.ordertakeout.ReqStockBySkuVM;



/** 
 * excel 处理工具类
 */
public class ExcelUtil {
    private static DecimalFormat df = new DecimalFormat("#.###");  
    
    public static void main(String[] args) throws Exception {
        //String fileName
        String filePath = "D:/t/b.xlsx";
        testExport(filePath);
        //testImport(filePath);
    }
    
    private static void testExport(String filePath) throws Exception{
        //String sheetName = "第一个表";
        String[] titles = {"skuNo","库存"};
        String[] fieldNames = {"skuNo","stockCount"};
        
        ReqStockBySkuVM stockInfo1 = new ReqStockBySkuVM("1234",BigDecimal.ZERO);
        ReqStockBySkuVM stockInfo2 = new ReqStockBySkuVM("abcd",BigDecimal.ONE);
        ReqStockBySkuVM stockInfo3 = new ReqStockBySkuVM("小明",BigDecimal.ONE);
        List<ReqStockBySkuVM> stockList = new ArrayList<>();
        stockList.add(stockInfo1);
        stockList.add(stockInfo2);
        stockList.add(stockInfo3);
        
        //Workbook wb = exportToWorkBook(sheetName,stockList, titles, fieldNames);
        //exportToFile(filePath, sheetName, stockList, titles, fieldNames);
        exportToFile(filePath, stockList, titles, fieldNames);
        
        //Workbook wb = exportToWorkBook(sheetName,stockList, titles, fieldNames);
        //OutputStream os = response.getOutputStream();
        //wb.write(os);
    }
    
    /**
     * excel导入
     * @param header    表头,如  ["id", "name", ... ]
     * @param filePath    文件物理地址
     * @return 
     */
    public static List<Map<String, Object>> importExcel(String filePath, String[] header) throws Exception {
        return importExcel(filePath,header,0);
    }
    
    public static List<Map<String, Object>> importExcel(String filePath, String[] header,int sheetNumber) throws Exception {
        return importExcel(filePath,new FileInputStream(filePath),header);
    }
    
    /**
     * excel导入
     * @param header    表头,如  ["id", "name", ... ]
     * @param filePath    文件物理地址
     * @return 
     */
    public static List<Map<String, Object>> importExcel(File file, String[] header) throws Exception {
        return importExcel(file,header,0);
    }
    
    public static List<Map<String, Object>> importExcel(File file, String[] header,int sheetNumber) throws Exception {
        return importExcel(file.getName(),new FileInputStream(file),header,sheetNumber,0);
    }
    
    public static List<Map<String, Object>> importExcel(String fileName,InputStream fis, String[] header) throws Exception {
        return importExcel(fileName,fis,header,0);
    }
    
    public static List<Map<String, Object>> importExcel(String fileName,InputStream fis, String[] header,int dataNumber) throws Exception {
        return importExcel(fileName,fis,header,0,dataNumber);
    }
    
    public static List<Map<String, Object>> importExcel(String fileName,InputStream fis, String[] header,int sheetNumber,int dataNumber) throws Exception {
        List<Map<String, Object>> list = new ArrayList<>();
        Map<String, Object> map = new HashMap<String, Object>();
        
        if(null == header) {
            throw new Exception("keys can not be null!");
        }
        
        if (!fileName.endsWith(".xls") && !fileName.endsWith(".xlsx")) {
            throw new Exception("The file is not excel document!");
        }
        
        // 读取文件
        //FileInputStream fis = null;
        Workbook wookbook = null;
        try {
            //fis = new FileInputStream(file);
            
            if(fileName.endsWith(".xls")) {
                wookbook = new HSSFWorkbook(fis);
            } else if(fileName.endsWith(".xlsx")) {
                wookbook = new XSSFWorkbook(fis);
            }
            
            // 获取第一个工作表信息
            Sheet sheet = wookbook.getSheetAt(sheetNumber);
            //获得数据的总行数
            int totalRowNum = sheet.getLastRowNum();

            Row row = null;
            Cell cell = null;
            Object value = null;
            int dataStartRow = 1;
            if(dataNumber>0){
                dataStartRow = dataNumber-1;
            }
            // 遍历所有行
            for (int i = dataStartRow; i <= totalRowNum; i++) {
                // 清空数据,避免遍历时读取上一次遍历数据
                row = null;
                cell = null;
                value = null;
                map = new HashMap<String, Object>();
                
                row = sheet.getRow(i);
                if(null == row) continue;    // 若该行第一列为空,则默认认为该行就是空行
                
                // 遍历该行所有列
                for (short j = 0; j < header.length; j++) {
                    cell = row.getCell(j);
                    if(null == cell) continue;    // 为空时,下一列
                    
                    value = getCellValue(cell);
                    
                    map.put(header[j], value);
                }
                
                list.add(map);
            }
        } catch (Exception e) {
            throw new Exception("analysis excel exception!", e);
        } finally {
            if(null != fis) {
                fis.close();
            }
        }
        
        return list;
    }
    
    /**
     * 获取单元格值
     * @param row 获取的行
     * @param column 获取单元格列号
     * @return 单元格值
     */
    private static Object getCellValue(Cell cell){
        Object val = "";
        try{
            // 根据poi返回的类型,做相应的get处理
            if(Cell.CELL_TYPE_STRING == cell.getCellType()) {
                val = cell.getStringCellValue();
            } else if(Cell.CELL_TYPE_NUMERIC == cell.getCellType()) {
                //val = cell.getNumericCellValue();
                val = df.format(cell.getNumericCellValue()); 
                if(DateUtil.isCellDateFormatted(cell)){
                    // 由于日期类型格式也被认为是数值型,此处判断是否是日期的格式,若时,则读取为日期类型
                    /*if(cell.getCellStyle().getDataFormat() > 0)  {
                        val = cell.getDateCellValue();
                    }*/
                    val = cell.getDateCellValue();
                }
            } else if(Cell.CELL_TYPE_BOOLEAN == cell.getCellType()) {
                val = cell.getBooleanCellValue();
            } else if(Cell.CELL_TYPE_BLANK == cell.getCellType()) {
                val = cell.getDateCellValue();
            }
        }catch (Exception e) {
            return val;
        }
        
        return val;
    }
    
    /**
     * excel导出
     * @param fileNamePath    导出的文件名称连路径
     * @param sheetName        导出的sheet名称
     * @param list            数据集合
     * @param titles        第一行表头
     * @param fieldNames    字段名称数组
     * @return
     */
    public static <T> File exportToFile(String fileNamePath, String sheetName, List<T> list, 
            String[] titles, String[] fieldNames) throws Exception {
        
        Workbook wb = exportToWorkBook(fileNamePath,sheetName,list,titles,fieldNames);
        
        File file = null;
        OutputStream os = null;
        file = new File(fileNamePath);
        try {
            os = new FileOutputStream(file);
            wb.write(os);
        } catch (Exception e) {
            throw new Exception("write excel file error!", e);
        } finally {
            if(null != os) {
                os.flush();
                os.close();
            }
        }
        
        
        return file;
    }
    
    public static <T> File exportToFile(String fileNamePath, List<T> list, 
            String[] titles, String[] fieldNames) throws Exception {
        return exportToFile(fileNamePath,"sheet1",list,titles,fieldNames);
    }

    /**
     * excel导出
     * @param sheetName        导出的sheet名称
     * @param list            数据集合
     * @param titles        第一行表头
     * @param fieldNames    字段名称数组
     * @return
     */
    public static <T> Workbook exportToWorkBook(String fileName, List<T> list, 
            String[] titles, String[] fieldNames) throws Exception {
        return exportToWorkBook(fileName,"sheet1",list,titles,fieldNames);
    }
    
    public static <T> Workbook exportToTemplateWorkBook(String fileName, List<T> list, 
            String[] titles, String[] fieldNames,String templateFilePath,InputStream templateFileInputStream,int startRow,int startColum) throws Exception {
        Workbook wb = null;
        //InputStream is = new FileInputStream(templateFilePath);
        if(templateFilePath.endsWith(".xls")) {
            wb = new HSSFWorkbook(templateFileInputStream);
        } else if(templateFilePath.endsWith(".xlsx")) {
            wb = new XSSFWorkbook(templateFileInputStream);
        }
        
        Sheet sheet = wb.getSheetAt(0);
        
        // 设置表头的说明
        int dataRow = startRow-1;
        if(titles!=null){
            Row topRow = sheet.getRow(startRow-1);
            CellStyle headerStyle = getHeaderStyle(wb);
            for(int i = 0; i < titles.length; i++){
                Cell topCell = topRow.createCell(i);
                topCell.setCellStyle(headerStyle);
                setCellGBKValue(topCell, titles[i]);
            }
            ++dataRow;
        }
        //Row row = sheet.getRow(startRow-1);
        
        String methodName = "";
        Method method = null;
        T t = null;
        Object ret = null;
        // 遍历生成数据行,通过反射获取字段的get方法
        for (int i = 0; i < list.size(); i++) {
            t = list.get(i);
            Row row = sheet.createRow(i+dataRow);
            Class<? extends Object> clazz = t.getClass();
            for(int j = 0; j < fieldNames.length; j++){
                methodName = "get" + capitalize(fieldNames[j]);
                try {
                    method = clazz.getDeclaredMethod(methodName);
                } catch (java.lang.NoSuchMethodException e) {    //    不存在该方法,查看父类是否存在。此处只支持一级父类,若想支持更多,建议使用while循环
                    if(null != clazz.getSuperclass()) {
                        method = clazz.getSuperclass().getDeclaredMethod(methodName);
                    }
                }
                if(null == method) {
                    throw new Exception(clazz.getName() + " don‘t have menthod --> " + methodName);
                }
                ret = method.invoke(t);
                setCellGBKValue(row.createCell(j), ret + "");
            }
        }
        
        
        return wb;
    }
    
    public static <T> Workbook exportToWorkBook(String fileName,String sheetName, List<T> list, 
            String[] titles, String[] fieldNames) throws Exception {
        
        Workbook wb = null;
        if(fileName.endsWith(".xls")) {
            wb = new HSSFWorkbook();
        } else if(fileName.endsWith(".xlsx")) {
            wb = new XSSFWorkbook();
        }
        
        Sheet sheet = null;
        
        // 对每个表生成一个新的sheet,并以表名命名
        if(sheetName == null){
            sheetName = "sheet1";
        }
        sheet = wb.createSheet(sheetName);
        
        
        // 设置表头的说明
        
        Row topRow = sheet.createRow(0);
        CellStyle headerStyle = getHeaderStyle(wb);
        for(int i = 0; i < titles.length; i++){
            Cell topCell = topRow.createCell(i);
            topCell.setCellStyle(headerStyle);
            setCellGBKValue(topCell, titles[i]);
        }
        
        String methodName = "";
        Method method = null;
        T t = null;
        Object ret = null;
        // 遍历生成数据行,通过反射获取字段的get方法
        for (int i = 0; i < list.size(); i++) {
            t = list.get(i);
            Row row = sheet.createRow(i+1);
            Class<? extends Object> clazz = t.getClass();
            for(int j = 0; j < fieldNames.length; j++){
                methodName = "get" + capitalize(fieldNames[j]);
                try {
                    method = clazz.getDeclaredMethod(methodName);
                } catch (java.lang.NoSuchMethodException e) {    //    不存在该方法,查看父类是否存在。此处只支持一级父类,若想支持更多,建议使用while循环
                    if(null != clazz.getSuperclass()) {
                        method = clazz.getSuperclass().getDeclaredMethod(methodName);
                    }
                }
                if(null == method) {
                    throw new Exception(clazz.getName() + " don‘t have menthod --> " + methodName);
                }
                ret = method.invoke(t);
                setCellGBKValue(row.createCell(j), ret + "");
            }
        }
        
        return wb;
    }
    
    private static void setCellGBKValue(Cell cell, String value) {
        cell.setCellType(HSSFCell.CELL_TYPE_STRING);
        //cell.setEncoding(HSSFCell.ENCODING_UTF_16);
        cell.setCellValue(value);
    }
    
    private static String capitalize(final String str) {
        int strLen;
        if (str == null || (strLen = str.length()) == 0) {
            return str;
        }

        final char firstChar = str.charAt(0);
        final char newChar = Character.toTitleCase(firstChar);
        if (firstChar == newChar) {
            // already capitalized
            return str;
        }

        char[] newChars = new char[strLen];
        newChars[0] = newChar;
        str.getChars(1,strLen, newChars, 1);
        return String.valueOf(newChars);
    }
    
    private static CellStyle getHeaderStyle(Workbook wb){
        CellStyle style = wb.createCellStyle();
        style.setAlignment(CellStyle.ALIGN_CENTER);
        style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
        style.setFillPattern(CellStyle.SOLID_FOREGROUND);
        Font headerFont = wb.createFont();
        headerFont.setFontHeightInPoints((short) 11);
        headerFont.setColor(IndexedColors.WHITE.getIndex());
        style.setFont(headerFont);
        return style;
    }
    
}
package com.dita.lotus.service.util;

import java.nio.charset.Charset;
import java.util.Base64;
import java.util.HashMap;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Service;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
import org.springframework.web.client.RestClientException;
import org.springframework.web.client.RestTemplate;

import com.alibaba.fastjson.JSONObject;

@Service
@Configuration
public class LinkToLotusGo {
	
	@Autowired
	private RestTemplate restTemplate;

	private static String clientId;

	private static String clientSecret;
	
	private HttpHeaders headers;
	

	public HttpHeaders getHeaders() {
		return headers;
	}
	
	
	private static String getClientId(){
		return clientId;
	}
	
	private static String getClientSecret(){
		return clientSecret;
	}
	
    @Value("${takeout.crm.clientId}")
    public void setClientId(String clientId) {
    	LinkToLotusGo.clientId = clientId;
    }
    
    @Value("${takeout.crm.clientSecret}")
    public void setClientSecret(String clientSecret) {
    	LinkToLotusGo.clientSecret = clientSecret;
    }

	
	//将凭证加密
	private static String getAuth(){
		String auth = LinkToLotusGo.getClientId() + ":" + LinkToLotusGo.getClientSecret(); 
		return "Basic " + Base64.getEncoder().encodeToString(auth.getBytes(Charset.forName("US-ASCII")));
	}
	
	//将加密后的凭证存到请求头
	public static HttpHeaders getHeader(){
        HttpHeaders headers = new HttpHeaders();
        headers.add("Authorization", getAuth());
        return headers;
    }
	
	//获取通行证,通行证有效时间2小时
	public JSONObject login(){
		String url = "https://platform.cplotus-gz.com/auth/oauth/token";
		
		MultiValueMap<String, String> param = new LinkedMultiValueMap<>();
		param.add("grant_type","client_credentials");
		HttpEntity<MultiValueMap<String,String>> requestEntity = new HttpEntity<MultiValueMap<String,String>>(param,getHeader());
		JSONObject jo =  restTemplate.postForEntity(url,requestEntity, JSONObject.class).getBody();
		//System.out.println(jo.toJSONString());
		
		HttpHeaders heads = new HttpHeaders();
		heads.add("Authorization", jo.get(("token_type"))+" "+jo.get("access_token"));
		this.headers = heads;//将获取到的凭证存到请求头
		
		return jo;		
	}
	
	public JSONObject getMember(HashMap<String, Object> params) {
		//System.out.println(clientId+"  "+clientSecret);
		
		String url = "https://platform.cplotus-gz.com/third/crm/getMemberCard?"+"memberNo"+"="+params.get("memberNo");		
		RestTemplate rest = new RestTemplate();

		HttpEntity<String> requestEntity  = new HttpEntity<String>(null,this.headers);
//		第三步:HttpEntity<String>放到exchange的参数里;
		ResponseEntity<JSONObject> response = null;
		try {
			response = rest.exchange(url, HttpMethod.GET, requestEntity, JSONObject.class);
		} catch (RestClientException e) {
			//抛这个异常表示通行证过期
			e.printStackTrace();
			login();//重新获取通行证
			return getMember(params);//递归调用本函数
		}
//		第四步:getBody()取结果;		
		return response.getBody();
		
	}
	
	//根据手机号查询会员
	public JSONObject getMemberByPhone(HashMap<String, Object> params) {
		String url = "https://platform.cplotus-gz.com//third/crm/searchMemberCardForClientCode?"
						+"mobile"+"="+params.get("mobile")
						+"&clientCode"+"= 803"
						+"&cardPrefixList"+params.get("cardPrefixList");		
		RestTemplate rest = new RestTemplate();

		HttpEntity<String> requestEntity  = new HttpEntity<String>(null,this.headers);
//		第三步:HttpEntity<String>放到exchange的参数里;
		ResponseEntity<JSONObject> response = null;
		try {
			response = rest.exchange(url, HttpMethod.GET, requestEntity, JSONObject.class);
		} catch (RestClientException e) {
			//抛这个异常表示通行证过期
			e.printStackTrace();
			login();//重新获取通行证
			return getMemberByPhone(params);//递归调用本函数获取结果
		}
//		第四步:getBody()取结果;		
		return response.getBody();
		
	}

}

  

package com.dita.lotus.service.util;

import org.apache.commons.lang3.RandomStringUtils;

import java.util.UUID;

/**
 * Utility class for generating random Strings.
 */
public final class RandomUtil {

    private static final int DEF_COUNT = 20;

    private RandomUtil() {
    }

    /**
     * Generate a password.
     *
     * @return the generated password
     */
    public static String generatePassword() {
        return RandomStringUtils.randomAlphanumeric(DEF_COUNT);
    }

    /**
     * Generate an activation key.
     *
     * @return the generated activation key
     */
    public static String generateActivationKey() {
        return RandomStringUtils.randomNumeric(DEF_COUNT);
    }

    /**
     * Generate a reset key.
     *
     * @return the generated reset key
     */
    public static String generateResetKey() {
        return RandomStringUtils.randomNumeric(DEF_COUNT);
    }

    /**
     * 产生UUID
     */
    public static final String generateGUID()
    {
        UUID uuid=UUID.randomUUID();
        return uuid.toString().replace("-","");
    }
}

  

 

 @GetMapping("/down/report/stockout")
    @Timed
    @TargetDataSource("slave")
    public Object StockOutexport(StockOutReportVM model,HttpServletResponse response) throws Exception{
        String fileName =  new String(("商品缺货报表-").getBytes(),"ISO8859_1")+ new SimpleDateFormat("yyyyMMdd").format(new Date())+".xlsx";
        String sheetName = "商品缺货报表";
        String[] titles = {"Division","Division_DES","组别","组别DES","部门","部门DES","CLASS","class_DES","SUB_CLASS","SUB_CLASS_DES","供应商编码","供应商名称","商品编码","商品style","商品名称","最后退货单号","最后退货数量","最后退货时间","商品类别",
                "商品包装","商品成本","库存","店转数量","退货数量","订单数量","本周销售数量","上周销售数量","上2周销售数量","上3周销售数量","上4周销售数量","本周与上周销量占比","库存流动数量:正数","库存流动数量:负数"};

        String[] fieldNames = {"Divisionid","Division_DES","GROUP_ID","GROUP_DES","dept_id","dept_des","class_id","CLASS_DES","SUB_CLASS","SUB_CLASS_DES","VENDOR_ID","VENDOR_NAME","SITE_ID","LOTUS_OUT_OF_STOCK_REP_NEW","STYLES","last_rtn_po","last_rtn_qty",
                "last_rtn_time","ITEM_TYPE","PACK_SIZE","UNIT_COS","ON_HAND","TRANS_IN_QTY","QTY_RTV","QTY_ON_ORDER","QTY","LW_QTY","L2W_QTY","L3W_QTY","L4W_QTY","salerate","inqty","outqty"};

        HashMap<String, Object> map = new HashMap<String, Object>();
        ServletOutputStream os = null;

        List<StockOutReportVM> templateList=new ArrayList<StockOutReportVM>();
        List<StockOutReportVM> skunolist = goodsStatusService.searchskuno(map);
        Workbook wb= null;
        try {

            for(int j=0;j<skunolist.size();j++){
                String siteid = skunolist.get(j).getSITE_ID();
                map.put("SITE_ID", siteid);


            map.put("skuno",model.getSITE_ID());
            map.put("skuname",model.getSTYLES());
            map.put("vendorno",model.getVENDOR_ID());
            map.put("minqty",model.getMin_sale_qty());
            map.put("maxqty",model.getMax_sale_qty());
            map.put("storeno",model.getStoreNo());

            map.put("unitId",model.getUnitId());
            map.put("unitTypeId",ObjectTypeInfo.CODE_UNIT_TYPE_STORE);

            Date d = new Date();
            SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");

                //本周销售数量
                String timeInterval = getTimeInterval(d, sdf);
                String[] split = timeInterval.split(",");
                String startDate = split[0];
                String endDate = split[1];
                map.put("startDate", startDate);
                map.put("endDate", endDate);

                //上周销售数量
                String lastTimeInterval = getLastTimeInterval(sdf);
                String[] split1 = lastTimeInterval.split(",");
                String lastStartDate = split1[0];
                String lastEndDate = split1[1];
                map.put("lastStartDate", lastStartDate);
                map.put("lastEndDate", lastEndDate);

                //上2销售数量
                String lastTwoTimeInterval = getLastTwoTimeInterval(sdf);
                String[] split2 = lastTwoTimeInterval.split(",");
                String lastTwoStartDate = split2[0];
                String lastTwoEndDate = split2[1];
                map.put("lastTwoStartDate", lastTwoStartDate);
                map.put("lastTwoEndDate", lastTwoEndDate);

                //上3周销售数量
                String lastThreeTimeInterval = getLastThreeTimeInterval(sdf);
                String[] split3 = lastThreeTimeInterval.split(",");
                String lastThreeStartDate = split3[0];
                String lastThreeEndDate = split3[1];
                map.put("lastThreeStartDate", lastThreeStartDate);
                map.put("lastThreeEndDate", lastThreeEndDate);

                //上4销售数量
                String lastFourTimeInterval = getLastFourTimeInterval(sdf);
                String[] split4 = lastFourTimeInterval.split(",");
                String lastFourStartDate = split4[0];
                String lastFourEndDate = split4[1];
                map.put("lastFourStartDate", lastFourStartDate);
                map.put("lastFourEndDate", lastFourEndDate);

                List<StockOutReportVM> tmpList = goodsStatusService.searchStockOutList(map);
                templateList.addAll(tmpList);

            }

            wb= ExcelUtil.exportToWorkBook(fileName, sheetName, templateList, titles, fieldNames);
            response.setHeader("Content-disposition", "attachment; filename=" + fileName);
            os = response.getOutputStream();
            wb.write(os);




        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (os != null) {
                    os.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return null;
    }

  

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