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servlet图片更新

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package cn.csdn.web.servlet;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;

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

import cn.csdn.web.domain.User;
import cn.csdn.web.service.UserService;
import cn.csdn.web.service.UserServiceImpl;

public class UpdatePhotoUserServlet extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {

doPost(request, response);
}


public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
/*第一步:设置编码*/
request.setCharacterEncoding("UTF-8");
/*第二步:获取请求参数*/
String uphoto= request.getParameter("uphoto");
String uid= request.getParameter("uid");
/*第三步:类型转换*/
System.out.println(uphoto);
File file = new File("");
Integer id = Integer.parseInt(uid);
/*第四步:创建实体对象*/
User entity = new User();
entity.setId(id);
/*第五步:执行业务操作*/
UserService uService = new UserServiceImpl();
//boolean flag = uService.updatePhoto(entity, file);
}

}

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