现在问题是:英文名称的文件可以下载,中问路径的不可以.代码:
package com.action;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import javax.servlet.ServletContext;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.apache.struts2.util.ServletContextAware;
import com.opensymphony.xwork2.ActionSupport;
@ParentPackage(value="struts-default")
@Namespace(value="/study")
@Result(name="SUCCESS",type="stream",params={"contentType","application/octet-stream;charset=ISO8859-1","inputName","inStream","contentDisposition","attachment;filename=${downloadFileName}","bufferSize","4096"})
public class FileAction extends ActionSupport{
private static final long serialVersionUID = 1L;
private String filename;
private InputStream inStream;
@Override
public String execute() throws Exception {
return "SUCCESS";
}
public InputStream getInStream() {
System.out.println("getInStream"+filename);
inStream = ServletActionContext.getServletContext().getResourceAsStream("/store/"+getFilename());
if (inStream == null) {
inStream = new ByteArrayInputStream("Sorry,File not found !"
.getBytes());
}
return inStream;
}
public String getDownloadFileName(){
String downloadileName=filename;
try {
downloadileName=new String(downloadileName.getBytes(),"ISO8859-1");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
System.out.println("getDownloadFileName:"+downloadileName);
return downloadileName;
}
public void setFilename(String filename) {
try {
this.filename = new String(filename.getBytes(),"ISO8859-1");
System.out.println("setFilename()..........."+filename);
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
}
public String getFilename() {
try {
String fn=new String(filename.getBytes(),"ISO8859-1");
System.out.println("getFilename()......"+fn);
return fn;
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
return this.filename;
}
}
}
------解决方案--------------------
看看我的excel导出代码吧,
- Java code
package com.zds.emis.employee.servlet;import java.io.IOException;import java.io.OutputStream;import java.text.SimpleDateFormat;import java.util.Date;import java.util.List;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import jxl.Workbook;import jxl.format.Colour;import jxl.format.UnderlineStyle;import jxl.write.Label;import jxl.write.WritableCellFormat;import jxl.write.WritableFont;import jxl.write.WritableSheet;import jxl.write.WritableWorkbook;import jxl.write.WriteException;import jxl.write.biff.RowsExceededException;import com.zds.emis.employee.service.IEmployeeManageBs;import com.zds.emis.employee.service.imp.EmployeeManageBs;import com.zds.emis.employee.vo.EmployeeVo;public class ExportEmployeeExcel extends HttpServlet { /** * Constructor of the object. */ public ExportEmployeeExcel() { super(); } /** * Destruction of the servlet. <br> */ public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.setCharacterEncoding("gbk"); EmployeeVo employeeVo=new EmployeeVo(); //获取员工编号 employeeVo.setEmpCode(request.getParameter("empCode")); System.out.println("你要导出的员工编号为:"+request.getParameter("empCode")); //获取员工姓名 employeeVo.setEmpName(request.getParameter("empName")); //初始化Service IEmployeeManageBs service=new EmployeeManageBs(); //掉用Service List employeeList=service.queryByCondition(employeeVo); // 用日期构建输出文件名称 SimpleDateFormat sd = new SimpleDateFormat("yyyy-MM-dd"); String date = sd.format(new Date()); String excelName = "员工信息_" + date + ".xls"; // 解决导出员工数据时汉字乱码问题 excelName = new String(excelName.getBytes(), "iso8859-1"); // 选择地址点击保存或者直接点击查看 response.setContentType("application/vnd.ms-excel"); response.addHeader("Content-Disposition", "attachment; filename=\""+ excelName + "\""); OutputStream os = response.getOutputStream(); //利用OutputStream创建WritableWorkbook对象 WritableWorkbook wwb = Workbook.createWorkbook(os); //设置字体 、颜色 、大小 WritableFont font1=new WritableFont(WritableFont.TIMES,11,WritableFont.BOLD,false, UnderlineStyle.NO_UNDERLINE,Colour.GREEN); WritableFont font2=new WritableFont(WritableFont.TIMES,18,WritableFont.BOLD); WritableFont font3=new WritableFont(WritableFont.ARIAL,9,WritableFont.BOLD); WritableFont font4=new WritableFont(WritableFont.TIMES,11,WritableFont.BOLD,false, UnderlineStyle.NO_UNDERLINE,Colour.RED); WritableCellFormat format1=new WritableCellFormat(font1); WritableCellFormat format2=new WritableCellFormat(font2); WritableCellFormat format3=new WritableCellFormat(font3); WritableCellFormat format4=new WritableCellFormat(font4); try { //把水平对齐方式指定为居中 format1.setAlignment(jxl.format.Alignment.CENTRE); format2.setAlignment(jxl.format.Alignment.CENTRE); format3.setAlignment(jxl.format.Alignment.CENTRE); format4.setAlignment(jxl.format.Alignment.CENTRE); } catch (WriteException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } // 生成名为"员工信息"的工作表,参数0表示这是第一页 WritableSheet sheet=wwb.createSheet("员工信息",0); //设置单元表格的宽度为:13 sheet.setColumnView(0,13); sheet.setColumnView(1,13); sheet.setColumnView(2,13); sheet.setColumnView(3,13); sheet.setColumnView(4,15); sheet.setColumnView(5,15); sheet.setColumnView(6,15); sheet.setColumnView(7,13); sheet.setColumnView(8,13); sheet.setColumnView(9,13); try { //合并单元表格 sheet.mergeCells(0,0,9,0); //向表格里插入数据 并设置 format属性 //在Label对象的构造之中指名单元格位置是第一列第一行(0,0) Label label1 = new Label(0, 0, "员工信息表",format2); Label label2 = new Label(0, 1, "工号",format4); Label label3 = new Label(1, 1, "姓名",format1); Label label4 = new Label(2, 1, "性别",format1); Label label14 = new Label(3, 1, "年龄",format1); Label label15 = new Label(4, 1, "电话",format1); Label label16 = new Label(5, 1, "手机",format1); Label label17 = new Label(6, 1, "邮件",format1); Label label18 = new Label(7, 1, "学历",format1); Label label19 = new Label(8, 1, "地址",format1); Label label20 = new Label(9, 1, "状态",format1); // 将定义好的单元格添加到工作表中 sheet.addCell(label1); sheet.addCell(label2); sheet.addCell(label3); sheet.addCell(label4); sheet.addCell(label14); sheet.addCell(label15); sheet.addCell(label16); sheet.addCell(label17); sheet.addCell(label18); sheet.addCell(label19); sheet.addCell(label20); EmployeeVo[] empVo=new EmployeeVo[employeeList.size()]; for (int i = 0; i <employeeList.size(); i++){ empVo[i] =(EmployeeVo) employeeList.get(i); Label label5 = new Label(0,i+2,""+empVo[i].getEmpCode(),format4); sheet.addCell(label5); Label label6=new Label(1,i+2,""+empVo[i].getEmpName(),format3); sheet.addCell(label6); Label label7=new Label(2,i+2,"1".equals(empVo[i].getEmpSex())?"男":"女",format3); sheet.addCell(label7); jxl.write.Number label8=new jxl.write.Number(3,i+2,empVo[i].getEmpAge(),format3); sheet.addCell(label8); Label label9=new Label(4,i+2,""+empVo[i].getEmpPhone(),format3); sheet.addCell(label9); Label label10=new Label(5,i+2,""+empVo[i].getEmpMobile(),format3); sheet.addCell(label10); Label label11 = new Label(6,i+2,""+empVo[i].getEmpEmail(),format3); sheet.addCell(label11); Label label12=new Label(7,i+2,""+empVo[i].getEmpDegree(),format3); sheet.addCell(label12); Label label13=new Label(8,i+2,""+empVo[i].getEmpAddress(),format3); sheet.addCell(label13); Label label21=new Label(9,i+2,"1".equals(empVo[i].getEmpState())?"在职":"离职",format3); sheet.addCell(label21); } System.out.println("创建成功"); // 写入数据并关闭文件 wwb.write(); wwb.close(); } catch (RowsExceededException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (WriteException e) { // TODO Auto-generated catch block e.printStackTrace(); } } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doGet(request,response); } /** * The doPut method of the servlet. <br> * * This method is called when a HTTP put request is received. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPut(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // Put your code here } /** * Initialization of the servlet. <br> * * @throws ServletException if an error occurs */ public void init() throws ServletException { // Put your code here }}