maven
<dependency>
<groupId>net.sourceforge.jexcelapi</groupId>
<artifactId>jxl</artifactId>
<version>2.6.12</version>
</dependency>
public class ExcelExportUtil<T> {
public boolean exportCustomExcel(String fileName,
List<T> list, Map<String,String> titleMap,
HttpServletResponse response) throws Exception {
fileName = fileName + DateUtils.formatDateYMD(new Date());
response.setContentType("aplication/vnd.ms-excel");
response.setCharacterEncoding("UTF-8");
response.setHeader("Content-Disposition", "inline; filename="
+ new String(fileName.getBytes("gb2312"), "ISO8859-1") + ".xls");
NumberFormat nf = new NumberFormat("#0");// Set digital format
WritableCellFormat wcfN = new WritableCellFormat (nf)
{the try
// Create an Excel workbook
WritableWorkbook WWB = Workbook.createWorkbook (Response
.getOutputStream ());
// add the first sheet and the name of the first set of Sheet
WritableSheet sheet = wwb.createSheet (fileName, 0 );
= null label the label;
Boolean title = to true;
int = rowNum. 1;
Field, Fields [] = List.get (0) .getClass () getDeclaredFields ();.
List <Field,> = new new validFieldList the ArrayList <Field,> ();
for (int I = 0; I <fields.length; I ++) {
Field, = Fields Field [I];
String field.getName the fieldName = ();
IF (fieldName.equals (. 1)) {
Continue;
}
if (!titleMap.containsKey(fieldName)) {
continue;
}
validFieldList.add(field);
}
for (T t : list) {
// 填充数据
for (int i = 0; i < validFieldList.size(); i++) {
Field field = validFieldList.get(i);
String fieldName = field.getName();
Object type = field.getType();
// 添加标题
if (title) {
fieldName =titleMap.get(fieldName);
label = new Label(i, 0, fieldName);
sheet.addCell(label);
}
field.setAccessible(true);
Object value = field.get(t);
if (value != null) {
if (type.toString().equals("class java.util.Date")) {
try {
label = new Label(i, rowNum, DateUtils.formatDateYMDHMS((Date) value));
} catch (Exception e) {
value = "";
}
}else if(value instanceof Integer
|| value instanceof Long
|| value instanceof Double
|| value instanceof Short){
label = new Label(i, rowNum, value.toString(), wcfN);
}else if(fieldName.endsWith("price")||fieldName.endsWith("Price")){
label = new Label(i, rowNum, MathUtils.div(value + "","100"));
}else {
label = new Label(i, rowNum, value + "");
}
sheet.addCell(label);
}
}
title = false;
rowNum++;
}
wwb.write();
wwb.close();
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
public boolean exportRedExcel(String fileName,
List<T> list, Map<String,String> titleMap,
HttpServletResponse response) throws Exception {
fileName = fileName + DateUtils.formatDateYMD(new Date());
response.setContentType("aplication/vnd.ms-excel");
response.setCharacterEncoding("UTF-8");
response.setHeader("Content-Disposition", "inline; filename="
+ new String(fileName.getBytes("gb2312"), "ISO8859-1") + ".xls");
number formattingNumberFormat nf = new NumberFormat ( "#
WritableFont wf = new WritableFont (WritableFont .TAHOMA);
wf.setColour (Colour.RED);
WritableCellFormat wcfN = new new WritableCellFormat (NF);
WritableCellFormat WCfr new new WritableCellFormat = (WF);
the try {
// create Excel workbook
WritableWorkbook WWB = Workbook.createWorkbook (Response
.getOutputStream ( ));
// add the first sheet and the name of the first set of sheet
WritableSheet sheet = wwb.createSheet (fileName, 0);
the label label = null;
boolean title = true;
int rowNum = 1;
Field fields[] = list.get(0).getClass().getDeclaredFields();
List<Field> validFieldList = new ArrayList<Field>();
for (int i = 0; i < fields.length; i++) {
Field field = fields[i];
String fieldName = field.getName();
if (fieldName.equals(1)) {
continue;
}
if (!titleMap.containsKey(fieldName)) {
continue;
}
validFieldList.add(field);
}
for (T t : list) {
// 填充数据
for (int i = 0; i < validFieldList.size(); i++) {
Field field = validFieldList.get(i);
String fieldName = field.getName();
Object type = field.getType();
// 添加标题
if (title) {
fieldName =titleMap.get(fieldName);
label = new Label(i, 0, fieldName);
sheet.addCell(label);
}
field.setAccessible(true);
Object value = field.get(t);
if (value != null) {
if (type.toString().equals("class java.util.Date")) {
try {
label = new Label(i, rowNum, DateUtils.formatDateYMDHMS((Date) value));
} catch (Exception e) {
value = "";
}
}else if(value instanceof Integer
|| value instanceof Long
|| value instanceof Double
|| value instanceof Short){
label = new Label(i, rowNum, value.toString(), wcfN);
}else if(fieldName.endsWith("price")||fieldName.endsWith("Price")){
label = new Label(i, rowNum, MathUtils.div(value + "","100"));
}else {
if(value.toString().startsWith("red")){
String substring = value.toString().substring(3);
label = new Label(i, rowNum, substring ,wcfR);
}else{
label = new Label(i, rowNum, value + "");
}
}
sheet.addCell(label);
}
}
title = false;
rowNum++;
}
wwb.write();
wwb.close();
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
}
Use
ExcelExportUtil<ExcelRiskDataDTO> excelUtil = new ExcelExportUtil<ExcelRiskDataDTO>();
Map<String, String> titleMap = new HashMap<String, String>();
titleMap.put("makeDate", "XX");
titleMap.put("channel", "XX");
titleMap.put("shop", "XX");
titleMap.put("qrcode", "XX");
titleMap.put("task1", "XXXX");
titleMap.put("task2", "XXX");
titleMap.put("task3", "XXXX");
titleMap.put("task4", "XXXXX");
titleMap.put("task5", "XXXX");
titleMap.put("task6", "XXXX");
titleMap.put("task7", "XXXX");
titleMap.put("task8", "XXXX");
titleMap.put("task9", "XXXX");
titleMap.put("task10", "XXXX");
titleMap.put("task11", "XXXX");
titleMap.put("task12", "XXXX");
titleMap.put("reason", "XXXX");
}
String fileName = "";
if (tag == 1) {
fileName = "预警";
} else {
fileName = "淘汰";
}
excelUtil.exportRedExcel(fileName, excelDTOList, titleMap, response);
public class ExcelRiskDataDTO implements Serializable {
private static final long serialVersionUID = -8754505839853771317L;
private String makeDate;
private String channel;
private String shop;
private String qrcode;
private String task1;
private String task2;
private String task3;
private String task4;
private String task5;
private String task6;
private String task7;
private String task8;
private String task9;
private String task10;
private String task11;
private String task12;
private String reason;
public String getMakeDate() {
return makeDate;
}
public void setMakeDate(String makeDate) {
this.makeDate = makeDate;
}
public String getChannel() {
return channel;
}
public void setChannel(String channel) {
this.channel = channel;
}
public String getShop() {
return shop;
}
public void setShop(String shop) {
this.shop = shop;
}
public String getQrcode() {
return qrcode;
}
public void setQrcode(String qrcode) {
this.qrcode = qrcode;
}
public String getTask1() {
return task1;
}
public void setTask1(String task1) {
this.task1 = task1;
}
public String getTask2() {
return task2;
}
public void setTask2(String task2) {
this.task2 = task2;
}
public String getTask3() {
return task3;
}
public void setTask3(String task3) {
this.task3 = task3;
}
public String getTask4() {
return task4;
}
public void setTask4(String task4) {
this.task4 = task4;
}
public String getTask5() {
return task5;
}
public void setTask5(String task5) {
this.task5 = task5;
}
public String getTask6() {
return task6;
}
public void setTask6(String task6) {
this.task6 = task6;
}
public String getTask7() {
return task7;
}
public void setTask7(String task7) {
this.task7 = task7;
}
public String getTask8() {
return task8;
}
public void setTask8(String task8) {
this.task8 = task8;
}
public String getTask9() {
return task9;
}
public void setTask9(String task9) {
this.task9 = task9;
}
public String getTask10() {
return task10;
}
public void setTask10(String task10) {
this.task10 = task10;
}
public String getTask11() {
return task11;
}
public void setTask11(String task11) {
this.task11 = task11;
}
public String getTask12() {
return task12;
}
public void setTask12(String task12) {
this.task12 = task12;
}
public String getReason() {
return reason;
}
public void setReason(String reason) {
this.reason = reason;
}
}