文本以及图片的上传

function dosubmit(){
    var th=document.form1;
    th.action="<%=path%>/servlet/ProductAction?action_flag=add";
    th.submit();
}

package com.servlet.product.service;

import java.util.List;

public interface ProductService {
    public boolean addProduct(List<Object> params);
}

package com.servlet.product.dao;

import java.sql.SQLException;
import java.util.List;

import com.jdbc.util.MySqlConnect;
import com.servlet.product.service.ProductService;

public class ProductDao implements ProductService {
    MySqlConnect conn;

    public ProductDao() {
        conn = new MySqlConnect();
    }

    public boolean addProduct(List<Object> params) {
        boolean flag=false;
        String sql = "insert into product(proid,proname,proprice,proaddress,proimage) values(?,?,?,?,?) ";
        conn.getConnect();
        try {
            flag=conn.updataByPrepareStatement(sql, params);
        } catch (SQLException e) {
            e.printStackTrace();
        }finally{
            conn.releaseConnect();
        }
        return flag;
    }

}

package com.servlet.product.util;

import java.util.UUID;

public class UUIDTools {
    public UUIDTools() {
    }

    public static String getUUID() {
        UUID uuid = UUID.randomUUID();
        System.out.println("uuid  "+uuid.toString());
        return uuid.toString().replace("-", "").substring(0, 6);
    }

}

package com.servlet.product.action;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;

import com.servlet.product.dao.ProductDao;
import com.servlet.product.service.ProductService;
import com.servlet.product.util.UUIDTools;

public class ProductAction extends HttpServlet {
private ProductService service;
    public ProductAction() {
        super();
    }

    public void destroy() {
        super.destroy(); 
    }

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        this.doPost(request, response);
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=utf-8");
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");

        String action_flag = request.getParameter("action_flag");
        if (action_flag.equals("add")) {
            addProduct(request, response);
        }

    }

    private void addProduct(HttpServletRequest request,
            HttpServletResponse response) throws ServletException, IOException {
        String path = request.getContextPath();
        // 实例化工厂
        DiskFileItemFactory factory = new DiskFileItemFactory();
        // 创建上传类
        ServletFileUpload upload = new ServletFileUpload(factory);
　　　　　//设置文件大小
        upload.setFileSizeMax(3*1024*1024);
        //设置总文件大小
        upload.setSizeMax(6*1024*1024);
        // 接收返回集
        List<FileItem> list = null;

        List<Object> params = new ArrayList<Object>();
        params.add(UUIDTools.getUUID());

        try {
            // 解析request请求
            list = upload.parseRequest(request);
            // 分开文本数据 和 非文本数据
            for (FileItem item : list) {
                if (item.isFormField()) {
                    if (item.getFieldName().equals("proname")) {
                        params.add(item.getString("utf-8"));
                    }
                    if (item.getFieldName().equals("proprice")) {
                        params.add(item.getString("utf-8"));
                    }
                    if (item.getFieldName().equals("proaddress")) {
                        params.add(item.getString("utf-8"));
                    }
                } else {
                    try {
                        String imgName = item.getName();
                        params.add(imgName);
                        String upload_path = request.getRealPath("/upload");

                        File file = new File(upload_path +"/"
                                + imgName);
                        item.write(file);
                        
                        boolean flag=service.addProduct(params);
                        if(flag){
                            System.out.println("跳转");
                            response.sendRedirect(path+"/product/2_1_5.jsp");
                        }
                        
                    } catch (Exception e) {
                        e.printStackTrace();
                    }

                }

            }

        } catch (FileUploadException e) {
            e.printStackTrace();
        }
    }

    public void init() throws ServletException {
        service=new ProductDao();
    }

}