springmvc增删改查

package

com.gc.action;

import

java.util.Map;

import

java.util.logging.Logger;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

setCommandClass(User.class);// 向页面的 bind path 里的 command 注类

}

// 覆写

protected ModelAndView onSubmit(Object command, BindException errors)

throws Exception {

User user = (User) command;

Map model = errors.getModel();

model.put("user", user);

setCommandClass(User.class);// 向页面的 bind path 里的 command 注类

return new ModelAndView(getSuccessView(), model);

}

}

package com.gc.action;

javax.servlet.http.HttpServletRequest;

import

javax.servlet.http.HttpServletResponse;

import

org.springframework.web.servlet.ModelAndVie

w;

import

org.springframework.web.servlet.mvc.multiac

tion.MultiActionController;

public class Operater extends

public ModelAndView

visitor(HttpServletRequest request,

HttpServletResponse respone) throws

Exception {

System.out.println("--------------

>visitor" + "跳转到添加页");

return new ModelAndView("add", null);

}

public ModelAndView

insert(HttpServletRequest request,

HttpServletResponse respone) throws

Exception {

System.out.println("--------------

>insert" + "新增");

public void delete(HttpServletRequest

request, HttpServletResponse response)

throws Exception {

System.out.println("--------------

>delete" + "删除"

+ request.getParameter("id"));

PrintWriter out = null;

try {

8");

e.printStackTrace();

}

action=queryAll';"

;

} // 修改动作

public ModelAndView

update(HttpServletRequest request,

HttpServletResponse respone) throws

Exception {