增加库存报表excel导出的功能
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季圣华
240
src/main/java/com/jsh/erp/utils/ExcelUtils.java
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240
src/main/java/com/jsh/erp/utils/ExcelUtils.java
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package com.jsh.erp.utils;
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import java.io.File;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import com.alibaba.druid.util.StringUtils;
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import jxl.Cell;
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import jxl.Sheet;
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import jxl.Workbook;
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import jxl.format.*;
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import jxl.write.Label;
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import jxl.write.WritableCellFormat;
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import jxl.write.WritableFont;
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import jxl.write.WritableSheet;
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import jxl.write.WritableWorkbook;
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public class ExcelUtils {
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public static WritableFont arial14font = null;
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public static File exportObjects(String fileName, String[] names,
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String title, List<String[]> objects) throws Exception {
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File excelFile = new File("fileName.xls");
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WritableWorkbook wtwb = Workbook.createWorkbook(excelFile);
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WritableSheet sheet = wtwb.createSheet(title, 0);
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sheet.getSettings().setDefaultColumnWidth(20);
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WritableFont wfont = new WritableFont(WritableFont.createFont("楷书"), 15);
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WritableCellFormat format = new WritableCellFormat(wfont);
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WritableFont wfc = new WritableFont(WritableFont.ARIAL, 20,
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WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE,
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jxl.format.Colour.BLACK);
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WritableCellFormat wcfFC = new WritableCellFormat(wfc);
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wcfFC.setAlignment(Alignment.CENTRE);
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wcfFC.setVerticalAlignment(VerticalAlignment.CENTRE);
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// CellView cellView = new CellView();
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// cellView.setAutosize(true); //设置自动大小
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format.setAlignment(Alignment.LEFT);
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format.setVerticalAlignment(VerticalAlignment.TOP);
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sheet.mergeCells(0, 0, names.length - 1, 0);
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sheet.addCell(new Label(0, 0, title, wcfFC));
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int rowNum = 2;
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for (int i = 0; i < names.length; i++) {
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sheet.addCell(new Label(i, 1, names[i], format));
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}
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for (int j = 0; j < objects.size(); j++) {
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String[] obj = objects.get(j);
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for (int h = 0; h < obj.length; h++) {
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sheet.addCell(new Label(h, rowNum, obj[h], format));
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}
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rowNum = rowNum + 1;
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}
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wtwb.write();
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wtwb.close();
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return excelFile;
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}
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/**
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* 导出excel，不需要第一行的title
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*
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* @param fileName
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* @param names
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* @param title
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* @param objects
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* @return
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* @throws Exception
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*/
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public static File exportObjectsWithoutTitle(String fileName,
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String[] names, String title, List<String[]> objects)
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throws Exception {
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File excelFile = new File(fileName);
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WritableWorkbook wtwb = Workbook.createWorkbook(excelFile);
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WritableSheet sheet = wtwb.createSheet(title, 0);
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sheet.getSettings().setDefaultColumnWidth(20);
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// 第一行的格式
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WritableFont wfc = new WritableFont(WritableFont.ARIAL, 15,
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WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE,
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jxl.format.Colour.BLACK);
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WritableCellFormat wcfFC = new WritableCellFormat(wfc);
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wcfFC.setVerticalAlignment(VerticalAlignment.CENTRE);
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// 设置字体以及单元格格式
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WritableFont wfont = new WritableFont(WritableFont.createFont("楷书"), 15);
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WritableCellFormat format = new WritableCellFormat(wfont);
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format.setAlignment(Alignment.LEFT);
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format.setVerticalAlignment(VerticalAlignment.TOP);
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// 第一行写入标题
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for (int i = 0; i < names.length; i++) {
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sheet.addCell(new Label(i, 0, names[i], wcfFC));
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}
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// 其余行依次写入数据
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int rowNum = 1;
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for (int j = 0; j < objects.size(); j++) {
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String[] obj = objects.get(j);
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for (int h = 0; h < obj.length; h++) {
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sheet.addCell(new Label(h, rowNum, obj[h], format));
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}
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rowNum = rowNum + 1;
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}
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wtwb.write();
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wtwb.close();
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return excelFile;
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}
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public static String createTempFile(String[] names, String title, List<String[]> objects) throws Exception {
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File excelFile = File.createTempFile(System.currentTimeMillis() + "", ".xls");
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WritableWorkbook wtwb = Workbook.createWorkbook(excelFile);
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WritableSheet sheet = wtwb.createSheet(title, 0);
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sheet.getSettings().setDefaultColumnWidth(20);
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WritableFont wfont = new WritableFont(WritableFont.createFont("楷书"), 15);
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WritableCellFormat format = new WritableCellFormat(wfont);
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WritableFont wfc = new WritableFont(WritableFont.ARIAL, 20,
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WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE,
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jxl.format.Colour.BLACK);
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WritableCellFormat wcfFC = new WritableCellFormat(wfc);
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wcfFC.setAlignment(Alignment.CENTRE);
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wcfFC.setVerticalAlignment(VerticalAlignment.CENTRE);
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// CellView cellView = new CellView();
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// cellView.setAutosize(true); //设置自动大小
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format.setAlignment(Alignment.LEFT);
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format.setVerticalAlignment(VerticalAlignment.TOP);
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sheet.mergeCells(0, 0, names.length - 1, 0);
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sheet.addCell(new Label(0, 0, title, wcfFC));
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int rowNum = 2;
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for (int i = 0; i < names.length; i++) {
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sheet.addCell(new Label(i, 1, names[i], format));
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}
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for (int j = 0; j < objects.size(); j++) {
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String[] obj = objects.get(j);
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for (int h = 0; h < obj.length; h++) {
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sheet.addCell(new Label(h, rowNum, obj[h], format));
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}
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rowNum = rowNum + 1;
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}
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wtwb.write();
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wtwb.close();
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return excelFile.getName();
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}
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public static String createCheckRandomTempFile(String[] names, String title, List<String[]> objects,Map<String,String> infoMap) throws Exception {
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File excelFile = File.createTempFile(System.currentTimeMillis() + "", ".xls");
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WritableWorkbook wtwb = Workbook.createWorkbook(excelFile);
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WritableSheet sheet = wtwb.createSheet(title, 0);
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sheet.getSettings().setDefaultColumnWidth(20);
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WritableFont wfont = new WritableFont(WritableFont.createFont("楷书"), 14);
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WritableCellFormat format = new WritableCellFormat(wfont);
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format.setBorder(Border.ALL, BorderLineStyle.THIN);
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format.setAlignment(Alignment.CENTRE);
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format.setVerticalAlignment(VerticalAlignment.CENTRE);
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WritableFont wfc = new WritableFont(WritableFont.ARIAL, 20,
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WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE,
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jxl.format.Colour.BLACK);
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WritableCellFormat wcfFC = new WritableCellFormat(wfc);
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wcfFC.setAlignment(Alignment.LEFT);
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wcfFC.setVerticalAlignment(VerticalAlignment.CENTRE);
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WritableFont nameWfc = new WritableFont(WritableFont.ARIAL, 14,
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WritableFont.BOLD, false, UnderlineStyle.NO_UNDERLINE,
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jxl.format.Colour.BLACK);
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WritableCellFormat nameFormat = new WritableCellFormat(nameWfc);
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nameFormat.setBorder(Border.ALL, BorderLineStyle.THIN);
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nameFormat.setAlignment(Alignment.CENTRE);
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nameFormat.setVerticalAlignment(VerticalAlignment.CENTRE);
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WritableCellFormat infoFormat = new WritableCellFormat(wfont);
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infoFormat.setAlignment(Alignment.LEFT);
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infoFormat.setVerticalAlignment(VerticalAlignment.CENTRE);
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sheet.mergeCells(0, 0, names.length - 1, 0);
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sheet.addCell(new Label(0, 0, infoMap.get("title"), wcfFC));
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sheet.addCell(new Label(0, 2, infoMap.get("info"), infoFormat));
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sheet.addCell(new Label(2, 2, infoMap.get("dvrnvr"), infoFormat));
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sheet.addCell(new Label(4, 2, infoMap.get("char"), infoFormat));
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sheet.addCell(new Label(0, 3, infoMap.get("infoPercent"), infoFormat));
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sheet.addCell(new Label(2, 3, infoMap.get("dvrnvrPercent"), infoFormat));
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sheet.addCell(new Label(4, 3, infoMap.get("charPercent"), infoFormat));
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int rowNum = 5;
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for (int i = 0; i < names.length; i++) {
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sheet.addCell(new Label(i, 4, names[i], nameFormat));
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}
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for (int j = 0; j < objects.size(); j++) {
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String[] obj = objects.get(j);
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for (int h = 0; h < obj.length; h++) {
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sheet.addCell(new Label(h, rowNum, obj[h], format));
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}
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rowNum = rowNum + 1;
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}
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wtwb.write();
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wtwb.close();
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return excelFile.getName();
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}
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public static String getContent(Sheet src, int rowNum, int colNum) {
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return src.getRow(rowNum)[colNum].getContents().trim();
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}
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/**
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* 从第i行开始到最后检测指定列的唯一性
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*
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* @param src
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* @param colNum
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* @param fromRow
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* 起始行
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* @return
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*/
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public static Boolean checkUnique(Sheet src, int colNum, int fromRow) {
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Cell[] colCells = src.getColumn(colNum);
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Set<String> set = new HashSet<String>();
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for (int i = fromRow; i < colCells.length; i++) {
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if (!StringUtils.isEmpty(colCells[i].getContents())
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&& !set.add(colCells[i].getContents())) {
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return false;
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}
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}
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return true;
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}
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public static File getTempFile(String fileName) {
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String dir = System.getProperty("java.io.tmpdir"); // 获取系统临时目录
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return new File(dir + File.separator + fileName);
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}
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public static void main(String[] args) throws Exception {
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String msg = "12345";
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System.out.println(msg.indexOf("@"));
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}
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}
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28
src/main/java/com/jsh/erp/utils/ExportExecUtil.java
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28
src/main/java/com/jsh/erp/utils/ExportExecUtil.java
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@@ -0,0 +1,28 @@
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package com.jsh.erp.utils;
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import javax.servlet.http.HttpServletResponse;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.OutputStream;
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public class ExportExecUtil {
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public static void showExec(File excelFile,String fileName,HttpServletResponse response) throws Exception{
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response.setContentType("application/octet-stream");
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fileName = new String(fileName.getBytes("gbk"),"ISO8859_1");
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response.setHeader("Content-Disposition", "attachment;filename=\"" + fileName + ".xls" + "\"");
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FileInputStream fis = new FileInputStream(excelFile);
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OutputStream out = response.getOutputStream();
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int SIZE = 1024 * 1024;
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byte[] bytes = new byte[SIZE];
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int LENGTH = -1;
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while((LENGTH = fis.read(bytes)) != -1){
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out.write(bytes,0,LENGTH);
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}
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out.flush();
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fis.close();
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}
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}
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