本文实例为大家分享了ajaxfileupload异步上传插件的使用方法,供大家参考,具体内容如下
服务器端采用struts2来处理文件上传。
所需环境:
jquery.js
ajaxfileupload.js
struts2所依赖的jar包
及struts2-json-plugin-2.1.8.1.jar
编写文件上传的Action
package com.ajaxfile.action; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import org.apache.struts2.ServletActionContext; import com.opensymphony.xwork2.ActionSupport; @SuppressWarnings("serial") public class FileAction extends ActionSupport { private File file; private String fileFileName; private String fileFileContentType; private String message = "你已成功上传文件"; public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } public File getFile() { return file; } public void setFile(File file) { this.file = file; } public String getFileFileName() { return fileFileName; } public void setFileFileName(String fileFileName) { this.fileFileName = fileFileName; } public String getFileFileContentType() { return fileFileContentType; } public void setFileFileContentType(String fileFileContentType) { this.fileFileContentType = fileFileContentType; } @SuppressWarnings("deprecation") @Override public String execute() throws Exception { String path = ServletActionContext.getRequest().getRealPath("/upload"); try { File f = this.getFile(); if(this.getFileFileName().endsWith(".exe")){ message="对不起,你上传的文件格式不允许!!!"; return ERROR; } FileInputStream inputStream = new FileInputStream(f); FileOutputStream outputStream = new FileOutputStream(path + "/"+ this.getFileFileName()); byte[] buf = new byte[1024]; int length = 0; while ((length = inputStream.read(buf)) != -1) { outputStream.write(buf, 0, length); } inputStream.close(); outputStream.flush(); } catch (Exception e) { e.printStackTrace(); message = "对不起,文件上传失败了!!!!"; } return SUCCESS; } }
struts.xml
<?xml version="1.0" encoding="UTF-8" ?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd"> <struts> <package name="struts2" extends="json-default"> <action name="fileUploadAction" class="com.ajaxfile.action.FileAction"> <result type="json" name="success"> <param name="contentType"> text/html </param> </result> <result type="json" name="error"> <param name="contentType"> text/html </param> </result> </action> </package> </struts>
内容版权声明:除非注明,否则皆为本站原创文章。