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诸位大大给个上传图片阻拦器代码

www.bsjylc692.com  网友同享于:2013-12-25  阅读:52次
各位大大给个上传图片阻拦器代码
上传中心代码我现已有了,现在想要一个Struts2的阻拦器代码,便是阻拦图片大小、格局的阻拦器,哪位朋友有的同享给我不胜感激!!!

------处理方案--------------------
Java code
2.Action类


package com.sterning;

import java.io.File;

import javax.servlet.ServletContext;

import org.apache.commons.io.FileUtils;
import org.apache.struts2.util.ServletContextAware;

import com.opensymphony.xwork2.ActionSupport;

public class StrutsFileUpload extends ActionSupport implements
        ServletContextAware {

    private File upload;// 实践上传文件

    private String uploadContentType; // 文件的内容类型

    private String uploadFileName; // 上传文件名

    private String fileCaption;// 上传文件时的补白

    private ServletContext context;

    public String execute() throws Exception {

        try {
            
            String targetDirectory = context.getRealPath("/upload");
            String targetFileName = uploadFileName;
            File target = new File(targetDirectory, targetFileName);
            FileUtils.copyFile(upload, target);            
            
            setUploadFileName(target.getPath());//保存文件的寄存途径
        } catch (Exception e) {

            addActionError(e.getMessage());

            return INPUT;
        }

        return SUCCESS;

    }

    public String getFileCaption() {
        return fileCaption;
    }

    public void setFileCaption(String fileCaption) {
        this.fileCaption = fileCaption;
    }

    public File getUpload() {
        return upload;
    }

    public void setUpload(File upload) {
        this.upload = upload;
    }

    public String getUploadContentType() {
        return uploadContentType;
    }

    public void setUploadContentType(String uploadContentType) {
        this.uploadContentType = uploadContentType;
    }

    public String getUploadFileName() {
        return uploadFileName;
    }

    public void setUploadFileName(String uploadFileName) {
        this.uploadFileName = uploadFileName;
    }

    public void setServletContext(ServletContext context) {
        this.context = context;
    }

}
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