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k18-ntcs-web-ntc/src/main/java/com/nis/util/excel/ExportExcel.java

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/**
* Copyright &copy; 2012-2014 <a href="https://github.com/thinkgem/jeesite">JeeSite</a> All rights reserved.
*/
package com.nis.util.excel;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.ArrayList;
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import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
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import java.util.Properties;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.StringUtils;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Comment;
import org.apache.poi.ss.usermodel.DataFormat;
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.ss.util.CellRangeAddress;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFClientAnchor;
import org.apache.poi.xssf.usermodel.XSSFRichTextString;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.google.common.collect.Lists;
import com.nis.domain.basics.ServiceDictInfo;
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import com.nis.util.DictUtils;
import com.nis.util.Encodes;
import com.nis.util.Reflections;
import com.nis.util.StringUtil;
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/**
* 导出Excel文件导出XLSX格式支持大数据量导出 @see org.apache.poi.ss.SpreadsheetVersion
* @author ThinkGem
* @version 2013-04-21
*/
public class ExportExcel {
private static Logger log = LoggerFactory.getLogger(ExportExcel.class);
/**
* 工作薄对象
*/
private SXSSFWorkbook wb;
/**
* 工作表对象
*/
private Sheet sheet;
/**
* 样式列表
*/
private Map<String, CellStyle> styles;
/**
* 当前行号
*/
private int rownum;
/**
* 注解列表Object[]{ ExcelField, Field/Method }
*/
List<Object[]> annotationList = Lists.newArrayList();
/**
* //递归获取cls实体对象及父级对象的属性
* wx:修改子类覆盖父类的同名方法
* @param list
* @param cls
*/
public void getFields(List<Field> list,Class<?> cls) {
Field[] fields=cls.getDeclaredFields();
if(fields != null && fields.length > 0){
List<Field> tempList=new ArrayList<>();
for (Field field : fields) {
if(list.size()==0) {
tempList.add(field);
}else {
boolean has=false;
for(Field checkF:list) {
if(checkF.getName().equals(field.getName())) {
has=true;
break;
}
}
if(!has) {
tempList.add(field);
}
}
}
list.addAll(tempList);
}
if(cls.getSuperclass() != null){
getFields(list,cls.getSuperclass());
}
}
/**
* //递归获取cls实体对象及父级对象的method
* @param list
* @param cls
*/
public void getMethods(List<Method> list,Class<?> cls) {
Method[] methods=cls.getDeclaredMethods();
if(methods != null && methods.length > 0){
List<Method> tempList=new ArrayList<>();
for (Method method : methods) {
if(list.size()==0) {
tempList.add(method);
}else {
boolean has=false;
for(Method checkM:list) {
if(checkM.getName().equals(method.getName())) {
has=true;
break;
}
}
if(!has) {
tempList.add(method);
}
}
}
list.addAll(tempList);
}
if(cls.getSuperclass() != null){
getMethods(list,cls.getSuperclass());
}
}
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/**
* 构造函数
* @param title 表格标题空值表示无标题
* @param cls 实体对象通过annotation.ExportField获取标题
*/
public ExportExcel(String title, Class<?> cls){
this(title, cls, 1);
}
/**
* 构造函数
* @param title 表格标题空值表示无标题
* @param cls 实体对象通过annotation.ExportField获取标题
* @param type 导出类型1:导出数据2导出模板
* @param groups 导入分组
*/
public ExportExcel(String title, Class<?> cls, int type, int... groups){
List<Field> list=new ArrayList<Field>();
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// Get annotation field
//递归获取cls实体对象及父级对象的属性
getFields(list, cls);
if(!StringUtil.isEmpty(list)){
for (Field f : list){
ExcelField ef = f.getAnnotation(ExcelField.class);
if (ef != null && (ef.type()==0 || ef.type()==type)){
if (groups!=null && groups.length>0){
boolean inGroup = false;
for (int g : groups){
if (inGroup){
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break;
}
for (int efg : ef.groups()){
if (g == efg){
inGroup = true;
annotationList.add(new Object[]{ef, f});
break;
}
}
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}
}else{
annotationList.add(new Object[]{ef, f});
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}
}
}
}
List<Method> ms=new ArrayList<Method>();
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// Get annotation method
//递归获取cls实体对象及父级对象的属性
getMethods(ms, cls);
if(!StringUtil.isEmpty(ms)){
for (Method m : ms){
ExcelField ef = m.getAnnotation(ExcelField.class);
if (ef != null && (ef.type()==0 || ef.type()==type)){
if (groups!=null && groups.length>0){
boolean inGroup = false;
for (int g : groups){
if (inGroup){
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break;
}
for (int efg : ef.groups()){
if (g == efg){
inGroup = true;
annotationList.add(new Object[]{ef, m});
break;
}
}
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}
}else{
annotationList.add(new Object[]{ef, m});
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}
}
}
}
// Field sorting
Collections.sort(annotationList, new Comparator<Object[]>() {
public int compare(Object[] o1, Object[] o2) {
return new Integer(((ExcelField)o1[0]).sort()).compareTo(
new Integer(((ExcelField)o2[0]).sort()));
};
});
// Initialize
List<String> headerList = Lists.newArrayList();
for (Object[] os : annotationList){
String t = ((ExcelField)os[0]).title();
// 如果是导出,则去掉注释
if (type==1){
String[] ss = StringUtils.split(t, "**", 2);
if (ss.length==2){
t = ss[0];
}
}
headerList.add(t);
}
initialize(title, headerList);
}
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/**
* 构造函数
* @param msgProp 国际化配置
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* @param title 表格标题空值表示无标题
* @param cls 实体对象通过annotation.ExportField获取标题
* @param type 导出类型1:导出数据2导出模板
* @param groups 导入分组
*/
public ExportExcel(Properties msgProp,String title, Class<?> cls, int type, int... groups){
List<Field> list=new ArrayList<Field>();
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// Get annotation field
//递归获取cls实体对象及父级对象的属性
getFields(list, cls);
if(!StringUtil.isEmpty(list)){
for (Field f : list){
ExcelField ef = f.getAnnotation(ExcelField.class);
if (ef != null && (ef.type()==0 || ef.type()==type)){
if (groups!=null && groups.length>0){
boolean inGroup = false;
for (int g : groups){
if (inGroup){
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break;
}
for (int efg : ef.groups()){
if (g == efg){
inGroup = true;
annotationList.add(new Object[]{ef, f});
break;
}
}
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}
}else{
annotationList.add(new Object[]{ef, f});
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}
}
}
}
List<Method> ms=new ArrayList<Method>();
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// Get annotation method
//递归获取cls实体对象及父级对象的属性
getMethods(ms, cls);
if(!StringUtil.isEmpty(ms)){
for (Method m : ms){
ExcelField ef = m.getAnnotation(ExcelField.class);
if(m.getName().equals("getSrcIpAddress")) {
System.out.println(ef.title());
}
if (ef != null && (ef.type()==0 || ef.type()==type)){
if (groups!=null && groups.length>0){
boolean inGroup = false;
for (int g : groups){
if (inGroup){
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break;
}
for (int efg : ef.groups()){
if (g == efg){
inGroup = true;
annotationList.add(new Object[]{ef, m});
break;
}
}
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}
}else{
annotationList.add(new Object[]{ef, m});
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}
}
}
}
// Field sorting
Collections.sort(annotationList, new Comparator<Object[]>() {
public int compare(Object[] o1, Object[] o2) {
return new Integer(((ExcelField)o1[0]).sort()).compareTo(
new Integer(((ExcelField)o2[0]).sort()));
};
});
// Initialize
List<String> headerList = Lists.newArrayList();
for (Object[] os : annotationList){
String t = ((ExcelField)os[0]).title();
// 如果是导出,则去掉注释
if (type==1){
String[] ss = StringUtils.split(t, "**", 2);
if (ss.length==2){
t = ss[0];
}
}
headerList.add(msgProp.getProperty(t)==null?t:msgProp.getProperty(t));
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}
initialize(title, headerList);
}
/**
* 构造函数
* @param msgProp 国际化配置
* @param title 表格标题空值表示无标题
* @param cls 实体对象通过annotation.ExportField获取标题
* @param type 导出类型1:导出数据2导出模板
* @param groups 导入分组
*/
public ExportExcel(String columns,Properties msgProp,String title, Class<?> cls, int type, int... groups){
String[] cloumnArray=columns.split(",");
List<Field> list=new ArrayList<Field>();
// Get annotation field
//递归获取cls实体对象及父级对象的属性
getFields(list, cls);
if(!StringUtil.isEmpty(list)){
for (Field f : list){
ExcelField ef = f.getAnnotation(ExcelField.class);
boolean export=false;
for(String column:cloumnArray) {
if(ef!=null&&column.equals(ef.title())) {
export=true;
break;
}
}
if(export) {
if (ef != null && (ef.type()==0 || ef.type()==type)){
if (groups!=null && groups.length>0){
boolean inGroup = false;
for (int g : groups){
if (inGroup){
break;
}
for (int efg : ef.groups()){
if (g == efg){
inGroup = true;
annotationList.add(new Object[]{ef, f});
break;
}
}
}
}else{
annotationList.add(new Object[]{ef, f});
}
}
}
}
}
List<Method> ms=new ArrayList<Method>();
// Get annotation method
//递归获取cls实体对象及父级对象的属性
getMethods(ms, cls);
if(!StringUtil.isEmpty(ms)){
for (Method m : ms){
ExcelField ef = m.getAnnotation(ExcelField.class);
boolean export=false;
for(String column:cloumnArray) {
if(ef!=null&&column.equals(ef.title())) {
export=true;
break;
}
}
if(export) {
if (ef != null && (ef.type()==0 || ef.type()==type)){
if (groups!=null && groups.length>0){
boolean inGroup = false;
for (int g : groups){
if (inGroup){
break;
}
for (int efg : ef.groups()){
if (g == efg){
inGroup = true;
annotationList.add(new Object[]{ef, m});
break;
}
}
}
}else{
annotationList.add(new Object[]{ef, m});
}
}
}
}
}
// Field sorting
Collections.sort(annotationList, new Comparator<Object[]>() {
public int compare(Object[] o1, Object[] o2) {
return new Integer(((ExcelField)o1[0]).sort()).compareTo(
new Integer(((ExcelField)o2[0]).sort()));
};
});
// Initialize
List<String> headerList = Lists.newArrayList();
for (Object[] os : annotationList){
String t = ((ExcelField)os[0]).title();
// 如果是导出,则去掉注释
if (type==1){
String[] ss = StringUtils.split(t, "**", 2);
if (ss.length==2){
t = ss[0];
}
}
headerList.add(msgProp.getProperty(t)==null?t:msgProp.getProperty(t));
}
initialize(title, headerList);
}
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/**
* 构造函数
* @param title 表格标题空值表示无标题
* @param headers 表头数组
*/
public ExportExcel(String title, String[] headers) {
initialize(title, Lists.newArrayList(headers));
}
/**
* 构造函数
* @param title 表格标题空值表示无标题
* @param headerList 表头列表
*/
public ExportExcel(String title, List<String> headerList) {
initialize(title, headerList);
}
/**
* 初始化函数
* @param title 表格标题空值表示无标题
* @param headerList 表头列表
*/
private void initialize(String title, List<String> headerList) {
this.wb = new SXSSFWorkbook(500);
this.sheet = wb.createSheet("Export");
this.styles = createStyles(wb);
// Create title
if (StringUtils.isNotBlank(title)){
Row titleRow = sheet.createRow(rownum++);
titleRow.setHeightInPoints(30);
Cell titleCell = titleRow.createCell(0);
titleCell.setCellStyle(styles.get("title"));
titleCell.setCellValue(title);
sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(),
titleRow.getRowNum(), titleRow.getRowNum(), headerList.size()-1));
}
// Create header
if (headerList == null){
throw new RuntimeException("headerList not null!");
}
Row headerRow = sheet.createRow(rownum++);
headerRow.setHeightInPoints(16);
for (int i = 0; i < headerList.size(); i++) {
Cell cell = headerRow.createCell(i);
cell.setCellStyle(styles.get("header"));
String[] ss = StringUtils.split(headerList.get(i), "**", 2);
if (ss.length==2){
cell.setCellValue(ss[0]);
Comment comment = this.sheet.createDrawingPatriarch().createCellComment(
new XSSFClientAnchor(0, 0, 0, 0, (short) i, 0, (short) i+4, 3));
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comment.setString(new XSSFRichTextString(ss[1]));
cell.setCellComment(comment);
}else{
cell.setCellValue(headerList.get(i));
}
sheet.autoSizeColumn(i);
}
for (int i = 0; i < headerList.size(); i++) {
int colWidth = sheet.getColumnWidth(i)*2;
sheet.setColumnWidth(i, colWidth < 3000 ? 3000 : colWidth);
}
log.debug("Initialize success.");
}
/**
* 创建表格样式
* @param wb 工作薄对象
* @return 样式列表
*/
private Map<String, CellStyle> createStyles(Workbook wb) {
Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
CellStyle style = wb.createCellStyle();
style.setAlignment(CellStyle.ALIGN_CENTER);
style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
Font titleFont = wb.createFont();
titleFont.setFontName("Arial");
titleFont.setFontHeightInPoints((short) 16);
titleFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
style.setFont(titleFont);
styles.put("title", style);
style = wb.createCellStyle();
style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
style.setBorderRight(CellStyle.BORDER_THIN);
style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderLeft(CellStyle.BORDER_THIN);
style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderTop(CellStyle.BORDER_THIN);
style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderBottom(CellStyle.BORDER_THIN);
style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
Font dataFont = wb.createFont();
dataFont.setFontName("Arial");
dataFont.setFontHeightInPoints((short) 10);
style.setFont(dataFont);
styles.put("data", style);
style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(CellStyle.ALIGN_LEFT);
styles.put("data1", style);
style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(CellStyle.ALIGN_CENTER);
styles.put("data2", style);
style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(CellStyle.ALIGN_RIGHT);
styles.put("data3", style);
style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
// style.setWrapText(true);
style.setAlignment(CellStyle.ALIGN_CENTER);
style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setFillPattern(CellStyle.SOLID_FOREGROUND);
Font headerFont = wb.createFont();
headerFont.setFontName("Arial");
headerFont.setFontHeightInPoints((short) 10);
headerFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
headerFont.setColor(IndexedColors.WHITE.getIndex());
style.setFont(headerFont);
styles.put("header", style);
return styles;
}
/**
* 添加一行
* @return 行对象
*/
public Row addRow(){
return sheet.createRow(rownum++);
}
/**
* 添加一个单元格
* @param row 添加的行
* @param column 添加列号
* @param val 添加值
* @return 单元格对象
*/
public Cell addCell(Row row, int column, Object val){
return this.addCell(row, column, val, 0, Class.class);
}
/**
* 添加一个单元格
* @param row 添加的行
* @param column 添加列号
* @param val 添加值
* @param align 对齐方式1靠左2居中3靠右
* @return 单元格对象
*/
public Cell addCell(Row row, int column, Object val, int align, Class<?> fieldType){
Cell cell = row.createCell(column);
CellStyle style = styles.get("data"+(align>=1&&align<=3?align:""));
try {
if (val == null){
cell.setCellValue("");
} else if (val instanceof String) {
cell.setCellValue((String) val);
} else if (val instanceof Integer) {
cell.setCellValue((String) val);
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} else if (val instanceof Long) {
cell.setCellValue((Long) val);
} else if (val instanceof Double) {
cell.setCellValue((Double) val);
} else if (val instanceof Float) {
cell.setCellValue((Float) val);
} else if (val instanceof Date) {
DataFormat format = wb.createDataFormat();
style.setDataFormat(format.getFormat("yyyy-MM-dd HH:mm:ss"));
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cell.setCellValue((Date) val);
} else {
if (fieldType != Class.class){
cell.setCellValue((String)fieldType.getMethod("setValue", Object.class).invoke(null, val));
}else{
cell.setCellValue((String)Class.forName(this.getClass().getName().replaceAll(this.getClass().getSimpleName(),
"fieldtype."+val.getClass().getSimpleName()+"Type")).getMethod("setValue", Object.class).invoke(null, val));
}
}
} catch (Exception ex) {
log.info("Set cell value ["+row.getRowNum()+","+column+"] error: " + ex.toString());
cell.setCellValue(val.toString());
}
cell.setCellStyle(style);
return cell;
}
/**
* 添加数据通过annotation.ExportField添加数据
* @return list 数据列表
*/
public <E> ExportExcel setDataList(Properties msgProp,List<E> list,Map map){
for (E e : list){
int colunm = 0;
Row row = this.addRow();
StringBuilder sb = new StringBuilder();
for (Object[] os : annotationList){
ExcelField ef = (ExcelField)os[0];
Object val = null;
// Get entity value
try{
if (StringUtils.isNotBlank(ef.value())){
val = Reflections.invokeGetter(e, ef.value());
}else{
if (os[1] instanceof Field){
val = Reflections.invokeGetter(e, ((Field)os[1]).getName());
}else if (os[1] instanceof Method){
val = Reflections.invokeMethod(e, ((Method)os[1]).getName(), new Class[] {}, new Object[] {});
}
}
// If is dict, get dict label
if (StringUtils.isNotBlank(ef.dictType())){
String valStr=val==null?"":val.toString();
if("type".equals(ef.dictType()) || "attribute".equals(ef.dictType())
|| "label".equals(ef.dictType())){
// Get basic info
val = getBasicInfo(ef.dictType(),map,valStr);
}else{
//字典数据已做国际化处理
String dict=DictUtils.getDictLabel(ef.dictType(), valStr, "");
//如果找不到字典国际化值,把字典本身作为默认值放进去,不然导出就是空了
val = msgProp.getProperty(dict,dict);
}
}
}catch(Exception ex) {
// Failure to ignore
log.error("Get entity value failed",ex);
val = "";
}
this.addCell(row, colunm++, val, ef.align(), ef.fieldType());
sb.append(val + ", ");
}
log.debug("Write success: ["+row.getRowNum()+"] "+sb.toString());
}
return this;
}
/**
* 添加数据通过annotation.ExportField添加数据
* @return list 数据列表
*/
public <E> ExportExcel setDataList(String columns,Properties msgProp,List<E> list,Map map){
if(StringUtils.isBlank(columns)) {
return setDataList(msgProp,list,map);
}else {
Map<String,Boolean> exportMap=new HashMap<>();
String[] columnArray=columns.split(",");
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for (Object[] os : annotationList){
ExcelField ef = (ExcelField)os[0];
for(String column:columnArray) {
if(column.equals(ef.title())) {
exportMap.put(column, true);
break;
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}
}
}
for (E e : list){
int colunm = 0;
Row row = this.addRow();
StringBuilder sb = new StringBuilder();
for (Object[] os : annotationList){
ExcelField ef = (ExcelField)os[0];
if(exportMap.containsKey(ef.title())) {
Object val = null;
// Get entity value
try{
if (StringUtils.isNotBlank(ef.value())){
val = Reflections.invokeGetter(e, ef.value());
}else{
if (os[1] instanceof Field){
val = Reflections.invokeGetter(e, ((Field)os[1]).getName());
}else if (os[1] instanceof Method){
val = Reflections.invokeMethod(e, ((Method)os[1]).getName(), new Class[] {}, new Object[] {});
}
}
// If is dict, get dict label
if (StringUtils.isNotBlank(ef.dictType())){
String valStr=val==null?"":val.toString();
if("type".equals(ef.dictType()) || "attribute".equals(ef.dictType())
|| "label".equals(ef.dictType())){
// Get basic info
val = getBasicInfo(ef.dictType(),map,valStr);
}else{
//字典数据已做国际化处理
String dict=DictUtils.getDictLabel(ef.dictType(), valStr, "");
//如果找不到字典国际化值,把字典本身作为默认值放进去,不然导出就是空了
val = msgProp.getProperty(dict,dict);
}
}
}catch(Exception ex) {
// Failure to ignore
log.error("Get entity value failed",ex);
val = "";
}
this.addCell(row, colunm++, val, ef.align(), ef.fieldType());
sb.append(val + ", ");
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}
}
log.debug("Write success: ["+row.getRowNum()+"] "+sb.toString());
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}
}
return this;
}
/**
* 设置性质分类标签等信息
* @param dictType
* @param map
* @param val
* @return
*/
public String getBasicInfo(String dictType,Map map,String val) {
String basicInfo="";
List<ServiceDictInfo> list=new ArrayList<ServiceDictInfo>();
if("type".equals(dictType)){
list=(List<ServiceDictInfo>) map.get("fls");
for (String info : val.split(",")) {
for (ServiceDictInfo dictInfo : list) {
if(info.equals(dictInfo.getServiceDictId().toString())){
basicInfo+=","+dictInfo.getItemValue();
}
}
}
}
if("attribute".equals(dictType)){
list=(List<ServiceDictInfo>) map.get("xzs");
for (String info : val.split(",")) {
for (ServiceDictInfo dictInfo : list) {
if(info.equals(dictInfo.getServiceDictId().toString())){
basicInfo+=","+dictInfo.getItemValue();
}
}
}
}
if("label".equals(dictType)){
list=(List<ServiceDictInfo>) map.get("labels");
for (String info : val.split(",")) {
for (ServiceDictInfo dictInfo : list) {
if(info.equals(dictInfo.getServiceDictId().toString())){
basicInfo+=","+dictInfo.getItemValue();
}
}
}
}
if(!StringUtil.isEmpty(basicInfo)){
basicInfo=basicInfo.substring(1);
}
return basicInfo;
}
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/**
* 输出数据流
* @param os 输出数据流
*/
public ExportExcel write(OutputStream os) throws IOException{
wb.write(os);
return this;
}
/**
* 输出到客户端
* @param fileName 输出文件名
*/
public ExportExcel write(HttpServletResponse response, String fileName) throws IOException{
response.reset();
response.setContentType("application/octet-stream; charset=utf-8");
response.setHeader("Content-Disposition", "attachment; filename="+Encodes.urlEncode(fileName));
write(response.getOutputStream());
return this;
}
/**
* 输出到文件
* @param fileName 输出文件名
*/
public ExportExcel writeFile(String name) throws FileNotFoundException, IOException{
FileOutputStream os = new FileOutputStream(name);
this.write(os);
return this;
}
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/**
* 输出到客户端
* @param fileName 输出文件名
*/
public ExportExcel write(HttpServletRequest request,HttpServletResponse response, String fileName) throws IOException{
final String userAgent = request.getHeader("USER-AGENT");
String finalFileName = null;
if(StringUtils.contains(userAgent, "MSIE")){//IE浏览器
finalFileName = Encodes.urlEncode(fileName);
}else if(StringUtils.contains(userAgent, "Mozilla")){//google,火狐浏览器
finalFileName = new String(fileName.getBytes(), "ISO8859-1");
}else{
finalFileName = Encodes.urlEncode(fileName);//其他浏览器
}
response.reset();
response.setContentType("application/octet-stream; charset=utf-8");
response.setHeader("Content-Disposition", "attachment; filename="+finalFileName);
write(response.getOutputStream());
return this;
}
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/**
* 清理临时文件
*/
public ExportExcel dispose(){
wb.dispose();
return this;
}
/**
* 导出测试
*/
public static void main(String[] args) throws Throwable {
/*List<String> headerList = Lists.newArrayList();
for (int i = 1; i <= 10; i++) {
headerList.add("表头"+i);
}
List<String> dataRowList = Lists.newArrayList();
for (int i = 1; i <= headerList.size(); i++) {
dataRowList.add("数据"+i);
}
List<List<String>> dataList = Lists.newArrayList();
for (int i = 1; i <=1000000; i++) {
dataList.add(dataRowList);
}
ExportExcel ee = new ExportExcel("表格标题", headerList);
for (int i = 0; i < dataList.size(); i++) {
Row row = ee.addRow();
for (int j = 0; j < dataList.get(i).size(); j++) {
ee.addCell(row, j, dataList.get(i).get(j));
}
}
ee.writeFile("target/export.xlsx");
ee.dispose();
log.debug("Export success.");
*/
}
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}