導出的Excel標題、Sheet名稱、數據內容都可以使用中文
一、pom.xml引入jar包
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<
dependency
>
<
groupId
>org.apache.poi</
groupId
>
<
artifactId
>poi-ooxml</
artifactId
>
<
version
>3.13</
version
>
</
dependency
>
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二、Excel操作內部類
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import
org.apache.poi.hssf.util.HSSFColor;
import
org.apache.poi.ss.util.CellRangeAddress;
import
org.apache.poi.xssf.usermodel.*;
public
class
ExportInternalUtil {
private
XSSFWorkbook wb =
null
;
private
XSSFSheet sheet =
null
;
/**
* @param wb
* @param sheet
*/
public
ExportInternalUtil(XSSFWorkbook wb, XSSFSheet sheet) {
this
.wb = wb;
this
.sheet = sheet;
}
/**
* 合並單元格后給合並后的單元格加邊框
*
* @param region
* @param cs
*/
public
void
setRegionStyle(CellRangeAddress region, XSSFCellStyle cs) {
int
toprowNum = region.getFirstRow();
for
(
int
i = toprowNum; i <= region.getLastRow(); i++) {
XSSFRow row = sheet.getRow(i);
for
(
int
j = region.getFirstColumn(); j <= region.getLastColumn(); j++) {
XSSFCell cell = row.getCell(j);
// XSSFCellUtil.getCell(row,
// (short) j);
cell.setCellStyle(cs);
}
}
}
/**
* 設置表頭的單元格樣式
*
* @return
*/
public
XSSFCellStyle getHeadStyle() {
// 創建單元格樣式
XSSFCellStyle cellStyle = wb.createCellStyle();
// 設置單元格的背景顏色為淡藍色
cellStyle.setFillForegroundColor(HSSFColor.PALE_BLUE.index);
cellStyle.setFillPattern(XSSFCellStyle.SOLID_FOREGROUND);
// 設置單元格居中對齊
cellStyle.setAlignment(XSSFCellStyle.ALIGN_CENTER);
// 設置單元格垂直居中對齊
cellStyle.setVerticalAlignment(XSSFCellStyle.VERTICAL_CENTER);
// 創建單元格內容顯示不下時自動換行
cellStyle.setWrapText(
true
);
// 設置單元格字體樣式
XSSFFont font = wb.createFont();
// 設置字體加粗
font.setBoldweight(XSSFFont.BOLDWEIGHT_BOLD);
font.setFontName(
"宋體"
);
font.setFontHeight((
short
)
200
);
cellStyle.setFont(font);
// 設置單元格邊框為細線條
cellStyle.setBorderLeft(XSSFCellStyle.BORDER_THIN);
cellStyle.setBorderBottom(XSSFCellStyle.BORDER_THIN);
cellStyle.setBorderRight(XSSFCellStyle.BORDER_THIN);
cellStyle.setBorderTop(XSSFCellStyle.BORDER_THIN);
return
cellStyle;
}
/**
* 設置表體的單元格樣式
*
* @return
*/
public
XSSFCellStyle getBodyStyle() {
// 創建單元格樣式
XSSFCellStyle cellStyle = wb.createCellStyle();
// 設置單元格居中對齊
cellStyle.setAlignment(XSSFCellStyle.ALIGN_CENTER);
// 設置單元格垂直居中對齊
cellStyle.setVerticalAlignment(XSSFCellStyle.VERTICAL_CENTER);
// 創建單元格內容顯示不下時自動換行
cellStyle.setWrapText(
true
);
// 設置單元格字體樣式
XSSFFont font = wb.createFont();
// 設置字體加粗
font.setBoldweight(XSSFFont.BOLDWEIGHT_BOLD);
font.setFontName(
"宋體"
);
font.setFontHeight((
short
)
200
);
cellStyle.setFont(font);
// 設置單元格邊框為細線條
cellStyle.setBorderLeft(XSSFCellStyle.BORDER_THIN);
cellStyle.setBorderBottom(XSSFCellStyle.BORDER_THIN);
cellStyle.setBorderRight(XSSFCellStyle.BORDER_THIN);
cellStyle.setBorderTop(XSSFCellStyle.BORDER_THIN);
return
cellStyle;
}
}
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三、Excel操作類
共外部調用，可設置Sheet名稱、標題、數據等
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import
java.io.IOException;
import
java.util.ArrayList;
import
javax.servlet.ServletOutputStream;
import
org.apache.poi.xssf.usermodel.XSSFCell;
import
org.apache.poi.xssf.usermodel.XSSFCellStyle;
import
org.apache.poi.xssf.usermodel.XSSFRow;
import
org.apache.poi.xssf.usermodel.XSSFSheet;
import
org.apache.poi.xssf.usermodel.XSSFWorkbook;
import
com.james.domain.User;
public
class
ExportUtil {
public
static
void
ExportExcel(String[] titles, ArrayList<User> list, ServletOutputStream outputStream) {
// 創建一個workbook 對應一個excel應用文件
XSSFWorkbook workBook =
new
XSSFWorkbook();
// 在workbook中添加一個sheet,對應Excel文件中的sheet
//Sheet名稱，可以自定義中文名稱
XSSFSheet sheet = workBook.createSheet(
"Sheet1"
);
ExportInternalUtil exportUtil =
new
ExportInternalUtil(workBook, sheet);
XSSFCellStyle headStyle = exportUtil.getHeadStyle();
XSSFCellStyle bodyStyle = exportUtil.getBodyStyle();
// 構建表頭
XSSFRow headRow = sheet.createRow(
0
);
XSSFCell cell =
null
;
// 輸出標題
for
(
int
i =
0
; i < titles.length; i++) {
cell = headRow.createCell(i);
cell.setCellStyle(headStyle);
cell.setCellValue(titles[i]);
}
// 構建表體數據
for
(
int
j =
0
; j < list.size(); j++) {
XSSFRow bodyRow = sheet.createRow(j +
1
);
User user = list.get(j);
cell = bodyRow.createCell(
0
);
cell.setCellStyle(bodyStyle);
cell.setCellValue(user.getLastIp());
cell = bodyRow.createCell(
1
);
cell.setCellStyle(bodyStyle);
cell.setCellValue(user.getLastVisit());
cell = bodyRow.createCell(
2
);
cell.setCellStyle(bodyStyle);
cell.setCellValue(user.getPassword());
cell = bodyRow.createCell(
3
);
cell.setCellStyle(bodyStyle);
cell.setCellValue(user.getUserName());
cell = bodyRow.createCell(
4
);
cell.setCellStyle(bodyStyle);
cell.setCellValue(user.getUserId());
}
try
{
workBook.write(outputStream);
outputStream.flush();
outputStream.close();
}
catch
(IOException e) {
e.printStackTrace();
}
finally
{
try
{
outputStream.close();
}
catch
(IOException e) {
e.printStackTrace();
}
}
}
}
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四、SpringMVC Controller層調用
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@RequestMapping
(value =
"/excelDownload"
)
public
String exportExcel(HttpServletResponse response) {
try
{
//String fileName = new String(("導出excel標題").getBytes(), "UTF-8") + ".xlsx";
String fileName=
new
String((
"導出excel標題"
).getBytes(
"gb2312"
),
"iso8859-1"
)+
".xlsx"
;
response.setContentType(
"application/vnd.ms-excel;charset=UTF-8"
);
response.setHeader(
"Content-Disposition"
,
"attachment;filename="
+ fileName);
response.setCharacterEncoding(
"utf-8"
);
// response.setHeader("Content-disposition", "attachment; filename="
// + "exdddcel" + ".xlsx");// 組裝附件名稱和格式
String[] titles = {
"最后IP"
,
"最后訪問時間"
,
"密碼"
,
"用戶名"
,
"用戶編號"
};
/*SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String date = df.format(new Date());
Date dateNow = null;
try {
dateNow = df.parse(date);
} catch (ParseException e) {
e.printStackTrace();
}*/
Date dateNow =
new
Date();
ArrayList<User> users =
new
ArrayList<User>();
User user =
new
User();
user.setLastIp(
"127.0.0.1"
);
user.setLastVisit(dateNow);
user.setPassword(
"123"
);
user.setUserId(
1
);
user.setUserName(
"名稱：James"
);
users.add(user);
user =
new
User();
user.setLastIp(
"192.0.0.1"
);
user.setLastVisit(dateNow);
user.setPassword(
"456"
);
user.setUserId(
2
);
user.setUserName(
"名稱：Mary"
);
users.add(user);
ServletOutputStream outputStream = response.getOutputStream();
ExportUtil.ExportExcel(titles, users, outputStream);
}
catch
(IOException e) {
e.printStackTrace();
}
return
null
;
}
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五、程序中用到的實體類User
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import
java.io.Serializable;
import
java.util.Date;
public
class
User
implements
Serializable {
private
int
userId;
private
String userName;
private
String password;
private
String lastIp;
private
Date lastVisit;
public
int
getUserId() {
return
userId;
}
public
void
setUserId(
int
userId) {
this
.userId = userId;
}
public
String getUserName() {
return
userName;
}
public
void
setUserName(String userName) {
this
.userName = userName;
}
public
String getPassword() {
return
password;
}
public
void
setPassword(String password) {
this
.password = password;
}
public
String getLastIp() {
return
lastIp;
}
public
void
setLastIp(String lastIp) {
this
.lastIp = lastIp;
}
public
Date getLastVisit() {
return
lastVisit;
}
public
void
setLastVisit(Date lastVisit) {
this
.lastVisit = lastVisit;
}
}
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六、異常情況
1、標題亂碼（注釋代碼會出現標題亂碼）
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//String fileName = new String(("導出excel標題").getBytes(), "UTF-8") + ".xlsx";
String fileName=
new
String((
"導出excel標題"
).getBytes(
"gb2312"
),
"iso8859-1"
)+
".xlsx"
;
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七、參考文檔
1、http://webook-java.iteye.com/blog/1699621
2、http://www.cnblogs.com/yjmyzz/p/4206463.html