图片上传

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图片上传

JSP Web Struts XML

//action
// 上传文件域对象
private File myFile;
    // 上传文件名
    private String myFileFileName;
    // 上传文件类型
    private String myFileContentType;
    // 保存文件的目录路径
    private String savePath;

//上传头像
public String updateReallyPhoto() throws Exception{
this.getRequest().setAttribute("test", "test");
Date date=new Date();
Random r = new Random();
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");

String stuCardId = this.getUser().getUsername();
StudentInfo student = this.studentInfoManager.queryStudentInfoByCardId(stuCardId);
//图片上传
//根据服务器的文件保存地址和原文件名创建目录文件全路径
FileUtil fUtil = new FileUtil();
        String PhotoName = stuCardId + sdf.format(date) + r.nextInt(1000) + this.getMyFileFileName()
                                .substring(this.getMyFileFileName().lastIndexOf("."));//图片重命名

        String dstPath = ServletActionContext.getServletContext()
                                .getRealPath(this.getSavePath()).replace("\\", "/") + "/" + PhotoName; //真实路径
        File dstFile = new File(dstPath);
        fUtil.copy(this.myFile, dstFile);

        String dbPath = dstPath.substring(dstPath.lastIndexOf("myFile"));//存入数据库的路径
        student.setPhoto(dbPath);
        this.dbPathUpload = dbPath;
        studentInfoManager.updateEntry(student);
//        this.saveStudentValue();
// return this.toStudentInfo();
return "photoIframeUpload";
}
//struts.xml配置
<action name="updateReallyPhoto"
class="com.buisoft.eit.webapp.action.studentInfo.StudentInfoAction"
method="updateReallyPhoto">

<param name="savePath">/myFile</param>
<interceptor-ref name="fileUpload">

<param name="allowedTypes">
image/bmp,image/png,image/gif,image/jpeg,image/jpg,image/x-png,image/pjpeg
     </param>

<param name="maximumSize">102400</param>
</interceptor-ref>
<interceptor-ref name="defaultStack" />
<result name="input">/WEB-INF/pages/basicdata/error.jsp</result>
<result name="success">/WEB-INF/pages/basicdata/studentInfo/studentInfo.jsp</result>
<result name="photoIframeUpload">/WEB-INF/pages/basicdata/studentInfo/photoIframeUpload.jsp</result>
</action>
//jsp
<s:form id="stuForm" target="" action="" method="post" onsubmit="check();" namespace="/basicdata" enctype="multipart/form-data">
<s:file name="myFile" id="myFile" />
</s:from>
错误页面error.jsp
<%@ include file="/common/taglibs.jsp"%>
<body>
<div style="wraper; width:310px; height: 130px; text-align:center; color:red; margin-top: 50px;">
<s:fielderror/>
</div>
</body>
如果上传的页面没有查询的输出东西的话可以直接input返回到本页
如果有查询的输出东西则只能返回到一个错误页面了

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