struts2文件下载示例

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struts2文件下载示例

struts2文件下载示例 java 工作

?

package com.topdt.policesms.action;

?

import java.io.File;

import java.io.FileInputStream;

import java.io.FileNotFoundException;

import java.io.InputStream;

?

import org.apache.struts2.convention.annotation.Action;

import org.apache.struts2.convention.annotation.InterceptorRef;

import org.apache.struts2.convention.annotation.Namespace;

import org.apache.struts2.convention.annotation.ParentPackage;

import org.apache.struts2.convention.annotation.Result;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.context.annotation.Scope;

import org.springframework.stereotype.Controller;

?

import com.topdt.frame.base.Struts2Action;

import com.topdt.frame.common.AppContext;

import com.topdt.policesms.model.DataLog;

import com.topdt.policesms.service.DataLogService;

?

/**

?* 数据日志

?* @author Administrator

?*

?*/

@Controller

@Scope("prototype")

@ParentPackage(value = "gloab-package")

@Namespace(value = "/message")

@Action(value = "dlog", results = {

 @Result(name = "list", location = "/message/dlog/dlog_list.jsp"),

 @Result(name = "download", type = "stream(类型为流)", params = { "contentType",

 "application（应用程序）/octet-stream;charset=ISO8859-1", "inputName(输入文件名称)",

 "fstream", "contentDisposition", "attachment;filename=${downloadFileName}",

 "bufferSize", "4096" }),

 @Result(name = "invalid.token",type="redirect",location = "task!list.action",params = {"message", "请不要重复提交" })?

 },?

 interceptorRefs = {

 @InterceptorRef(value = "pageInterceptor", params = { "includeMethods", "list" }),

 @InterceptorRef(value = "token", params = { "includeMethods", "save" }),

 @InterceptorRef("topDtStack")?

 })

public class DataLogAction extends Struts2Action<DataLog>{

?

 private static final long serialVersionUID = 1792436660779570837L;

?

 @Autowired

 private DataLogService dataLogService;

 private String statDate;

 private String endDate;

 private InputStream fstream;

 private String inputPath;

 private String fileName;

 

? ? public void setInputPath(String value) {

? ? ? ? inputPath = value;

? ? }

?

? ? public void setFileName(String fileName) {

 this.fileName = fileName;

 }

?

 @Override

 protected void doList() throws Exception {

 list = dataLogService.queryDataLog(statDate, endDate, getModel().getDataType());

 }

?

//取得文件名称

?

 public String getDownloadFileName(){

? ? String downFileName=fileName;

? ? try {

 downFileName=new String(downFileName.getBytes(),"ISO8859-1");

 } catch (Exception e) {

 e.printStackTrace();

 }

 return downFileName;

? ? }

//下载文件

 public String downLog () {

 inputPath = AppContext.getProperties("breakDataDir")+fileName;

 try {

 fstream = new FileInputStream(new File(inputPath));

 } catch (FileNotFoundException e) {

 e.printStackTrace();

 }

 return "download";

 }

 

 public DataLogService getDataLogService() {

 return dataLogService;

 }

?

 public void setDataLogService(DataLogService dataLogService) {

 this.dataLogService = dataLogService;

 }

?

 public String getStatDate() {

 return statDate;

 }

?

 public void setStatDate(String statDate) {

 this.statDate = statDate;

 }

?

 public String getEndDate() {

 return endDate;

 }

?

 public void setEndDate(String endDate) {

 this.endDate = endDate;

 }

?

 public InputStream getFstream() {

 return fstream;

 }

?

 public void setFstream(InputStream fstream) {

 this.fstream = fstream;

 }

?

}

?

?

HTML ：代码：<a href='dlog!downLog.action?fileName=<s:property value="#dlog.errorDetail"/>'>错误详细</a>

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做了一个脚本，方便大家用sunpot做中文全文 ... | Timer定时任务

2011-12-06 10:35
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