filedownload实现

<html>
  <head></head>
  <body>
    <h4>File: <s:property value="fileFileName" />  <a href='FileDownloadAction.action?fileName=<s:property value="fileFileName" />'>点击下载</a></h4><br/>
  </body>
</html>

<action name="FileDownloadAction" class="fileDownloadAction">
	<param name="savePath">/upload</param>
	<result name="success" type="stream">
		<param name="contentType">text/plain</param>
		<param name="contentDisposition">attachment;fileName="${fileName}"</param>
		<param name="inputName">inputStream</param>
	</result>
</action>

import java.io.InputStream;

import org.apache.struts2.ServletActionContext;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.opensymphony.xwork2.ActionSupport;

@SuppressWarnings("all")
@Scope("prototype")
@Controller("fileDownloadAction")
public class FileDownloadAction extends ActionSupport {
	
	@Override
	public String execute() throws Exception {
		return SUCCESS;
	}
	
	private String fileName;
	private String savePath;
	private InputStream inputStream;
	
	public String getFileName() {
		return fileName;
	}

	public void setFileName(String fileName) {
		this.fileName = fileName;
	}
	
	public String getSavePath() {
		return savePath;
		//return ServletActionContext.getServletContext().getRealPath(savePath);
	}

	public void setSavePath(String savePath) {
		this.savePath = savePath;
	}

	public InputStream getInputStream() {
		return ServletActionContext.getServletContext().getResourceAsStream(getSavePath() + "//" + getFileName());
	}

	public void setInputStream(InputStream inputStream) {
		this.inputStream = inputStream;
	}

}

import java.io.InputStream;

import org.apache.struts2.ServletActionContext;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.opensymphony.xwork2.ActionSupport;

@SuppressWarnings("all")
@Scope("prototype")
@Controller("fileDownloadAction")
public class FileDownloadAction extends ActionSupport {
	
	@Override
	public String execute() throws Exception {
		return SUCCESS;
	}
	
	private String fileName;
	private String savePath;
	private InputStream inputStream;
	
	public String getFileName() {
		return fileName;
	}

	public void setFileName(String fileName) {
		this.fileName = fileName;
	}
	
	public String getSavePath() {
		return savePath;
		//return ServletActionContext.getServletContext().getRealPath(savePath);
	}

	public void setSavePath(String savePath) {
		this.savePath = savePath;
	}

	public InputStream getInputStream() {
		return ServletActionContext.getServletContext().getResourceAsStream(getSavePath() + "//" + getFileName());
	}

	public void setInputStream(InputStream inputStream) {
		this.inputStream = inputStream;
	}

}

猜你喜欢