知不知

package test;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.Controller;
/**
 * @className:StartController.java
 * @classDescription:
 * @author:wei.luo
 * @createTime:2012-2-12下午09:21:58
 */
public class StartController implements Controller {
    public ModelAndView handleRequest(HttpServletRequest request,
                                      HttpServletResponse response) throws Exception {
        System.out.println("start controller is working !");
        return new ModelAndView("start");    //只指定一个视图的逻辑名称叫start
        //使用控制器与视图名称完全分离，只返回一个名称叫start的视图，具体返回什么视图由后续配置决定。
    }

package test;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.ejb.Handle;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.ui.Model;
import org.springframework.validation.BindException;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.AbstractCommandController;
import org.springframework.web.servlet.mvc.AbstractController;
/**
 * @className:EmpController.java
 * @classDescription:Emp控制器
 * @author:wei.luo
 * @createTime:2012-2-13
 */
/*public class EmpController extends AbstractController {    //实现简单的Controller抽象类
    @Override
    protected ModelAndView handleRequestInternal(HttpServletRequest request,
            HttpServletResponse response) throws Exception {    //
        String name=request.getParameter("name");
        String phone=request.getParameter("phone");
        Emp emp=new Emp();
        emp.setName(name);
        emp.setPhone(phone);
        //empService.add(emp);
        return null;
    }
}*/
public class EmpController extends AbstractCommandController{
    @Override
    protected ModelAndView handle(HttpServletRequest request,
                                  HttpServletResponse response, Object command, BindException errors)
            throws Exception {
        Emp emp=(Emp)command;
        System.out.println(emp.toString());
        return new ModelAndView("success");
    }
    /**
     * 初始化数据绑定器
     */
    @Override
    protected void initBinder(HttpServletRequest request,
                              ServletRequestDataBinder binder) throws Exception {
        //绑定日期数据，注册一个新的日期编辑器
        binder.registerCustomEditor(Date.class, new CustomDateEditor(
                new SimpleDateFormat("yyyy-MM-dd"), true));
    }
}

package test;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
 * @className:Emp.java
 * @classDescription:
 * @author:wei.luo
 * @createTime:2012-2-13
 */
public class Emp {
    private int empNo;
    private String name;
    private String phone;
    private Date hireDate;
    private String dept;
    public int getEmpNo() {
        return empNo;
    }
    public void setEmpNo(int empNo) {
        this.empNo = empNo;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getPhone() {
        return phone;
    }
    public void setPhone(String phone) {
        this.phone = phone;
    }
    public Date getHireDate() {
        return hireDate;
    }
    public void setHireDate(Date hireDate) {
        this.hireDate = hireDate;
    }
    public String getDept() {
        return dept;
    }
    public void setDept(String dept) {
        this.dept = dept;
    }
    @Override
    public String toString() {
        return "Emp [empNo="+empNo+",name=" + name + ", phone=" + phone
                + ",hireDate="+new SimpleDateFormat("yyyy-MM-dd").format(hireDate)
                +",dept="+dept+"]";
    }
}

package test;
import java.beans.PropertyEditorSupport;
/**
 * @className:MyEditor.java
 * @classDescription:自定义一个属性编辑器
 * @author:wei.luo
 * @createTime:2012-2-13
 */
public class MyEditor extends PropertyEditorSupport {
    @Override
    public String getAsText() {
        // TODO Auto-generated method stub
        return super.getAsText();
    }
    @Override
    public void setValue(Object value) {
        // TODO Auto-generated method stub
        super.setValue(value);
    }
    @Override
    public void setAsText(String text) throws IllegalArgumentException {
        // TODO Auto-generated method stub
        super.setAsText(text);
    }
}

package test;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.validation.BindException;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;
/**
 * @className:EmpFormController.java
 * @classDescription:表单控制器
 * @author:wei.luo
 * @createTime:2012-2-13上午02:41:45
 */
public class EmpFormController extends SimpleFormController {
    /**
     * 当表单提交是执行
     */
    @Override
    protected ModelAndView onSubmit(Object command) throws Exception {
        Emp emp=(Emp)command;    //注意，直接将command对象转换成Emp对象即可
        System.out.println(emp.toString());
        return new ModelAndView(getSuccessView());
    }
    /**
     * 此方法处理模型，向模型中加入两个列表
     */
    @Override
    protected Map referenceData(HttpServletRequest request) throws Exception {
        Map<String,Object> model=new HashMap<String,Object>();    //建立一个模型
        model.put("deptList", new String[]{"sales","manage"});    //向模型中放入一个列表
        return model;    //返回加入了deptList的模型
    }
    /**
     * 添加日期属性编辑器
     */
    @Override
    protected void initBinder(HttpServletRequest request,
                              ServletRequestDataBinder binder) throws Exception {
        //绑定日期数据，注册一个新的日期编辑器
        binder.registerCustomEditor(Date.class, new CustomDateEditor(
                new SimpleDateFormat("yyyy-MM-dd"), true));
    }
}

package test;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.multiaction.MultiActionController;
/**
 * @className:EmpMultiController.java
 * @classDescription:
 * @author:wei.luo
 * @createTime:2012-2-14
 */
public class EmpMultiController extends MultiActionController {
    private ModelAndView toAdd() {
        //viewName logic name :视图的逻辑名
        //Model 隐含了Map对象
        //构建模型的方法：
        //1.直接在new的时候，传入模型名称
        //ModelAndView mav=new ModelAndView("add_emp");
        //2.先构建模型，再执行setViewName方法
        //ModelAndView mav=new ModelAndView();
        //mav.setViewName("add_emp");
        //3.加入模型项
        //mav.addObject(attributeValue);
        //4.也可以一次性加入一个Map项
        //Map model = new HashMap;
        //mav.addAllObjects(modelMap);
        ModelAndView mav = new ModelAndView();
        mav.setViewName("add_emp");
        mav.addObject("deptList",new String[]{"salse","manage"});
        return mav;
    }
    //public ModelAndView addEmp(HttpServletRequest request,
    public String addEmp(HttpServletRequest request,
                         HttpServletResponse response,HttpSession session,Emp emp){
        System.out.println(emp);
        //return new ModelAndView("success");
        return "success";    //直接返回一个字符串，就是viewName
    }
}

package test.controller;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
/**
 * @className:TestController.java
 * @classDescription:
 * @author:wei.luo
 * @createTime:2012-2-15
 */
@Controller        //标记这个类为控制器
@RequestMapping("/test")    //类的映射路径
public class TestController {
    @RequestMapping("/start")    //映射到start方法
    public String start(HttpServletRequest request,HttpServletResponse response){
        String nameString=request.getParameter("name");
        System.out.println("name="+nameString);
        return "start";
    }
    //restful风格
    //http://localhost:8080/@mvc/test/start.do?name=zhangsan
    //http://localhost:8080/@mvc/test/start.do?name=lisi
    //http://localhost:8080/@mvc/test/start/zhangsan.do
    //http://localhost:8080/@mvc/test/start/lisi.do
    @RequestMapping("/start2/{name}/{age}")    //name为url模板中取出的路径变量
    public String start2(@PathVariable String name,@PathVariable("age") String age,
            /*如果采用release模式，则需要定义为 @PathVariable("name") String name
             因为release模式不保存变量名*/
                         HttpServletRequest request,HttpServletResponse response){
        System.out.println("name="+name+" age="+age);
        return "start";
    }
    //访问以下链接：
    //http://localhost:8080/@mvc/test/start2/zhangsan/20.do
    //以相同的路径，不同的请求方法访问
    @RequestMapping(value="/start3",method=RequestMethod.POST)    //映射到start方法
    public String start_post(HttpServletRequest request,HttpServletResponse response){
        System.out.println("RequestMethod.POST");
        return "start_post";
    }
    @RequestMapping(value="/start3",method=RequestMethod.GET)
    public String start_get(HttpServletRequest request,HttpServletResponse respose){
        System.out.println("RequestMethod.GET");
        return "start_get";
    }
}

package test.controller;
import java.io.PrintWriter;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.CookieValue;
import org.springframework.web.bind.annotation.InitBinder;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.support.WebRequestDataBinder;
import org.springframework.web.servlet.ModelAndView;
import test.entity.User;
/**
 * @className:TestController.java
 * @classDescription:
 * @author:wei.luo
 * @createTime:2012-2-15
 */
@Controller        //标记这个类为控制器
@RequestMapping("/test")    //类的映射路径
public class TestController<AnyType> {
    @RequestMapping("/start")    //映射到start方法
    public String start(HttpServletRequest request,HttpServletResponse response){
        String nameString=request.getParameter("name");
        System.out.println("name="+nameString);
        return "start";
    }
    //restful风格
    //http://localhost:8080/@mvc/test/start.do?name=zhangsan
    //http://localhost:8080/@mvc/test/start.do?name=lisi
    //http://localhost:8080/@mvc/test/start/zhangsan.do
    //http://localhost:8080/@mvc/test/start/lisi.do
    @RequestMapping("/start2/{name}/{age}")    //name为url模板中取出的路径变量
    public String start2(@PathVariable String name,@PathVariable("age") String age,
            /*如果采用release模式，则需要定义为 @PathVariable("name") String name
             因为release模式不保存变量名*/
                         HttpServletRequest request,HttpServletResponse response){
        System.out.println("name="+name+" age="+age);
        return "start";
    }
    //访问以下链接：
    //http://localhost:8080/@mvc/test/start2/zhangsan/20.do
    //以相同的路径，不同的请求方法访问
    @RequestMapping(value="/start3",method=RequestMethod.POST)    //映射到start方法
    public String start_post(HttpServletRequest request,HttpServletResponse response){
        System.out.println("RequestMethod.POST");
        return "start_post";
    }
    @RequestMapping(value="/start3",method=RequestMethod.GET)
    public String start_get(HttpServletRequest request,HttpServletResponse respose){
        System.out.println("RequestMethod.GET");
        return "start_get";
    }
    @RequestMapping(value="/{test}",method=RequestMethod.GET)
    public void testPathVariable(@PathVariable("test") Date test){
    }
    @InitBinder
    public void initBinder(WebRequestDataBinder binder){
        binder.registerCustomEditor(Date.class,new CustomDateEditor(
                new SimpleDateFormat("yyyyMMdd"),false));
    }
    //session前提条件，当前请求session可用,request.getSession(),session.setAttribute();
    public void testAllArguments(HttpServletRequest request,HttpServletResponse response,
                                 HttpSession session,@PathVariable AnyType xxx,@PathVariable AnyType id,
                                 @CookieValue("user-Agent") AnyType cookieName){
    }
    @RequestMapping
    public String testAllArguments(PrintWriter out,Map model){
        //out = response.getWrite();
        //out.print();
        new ModelAndView();
        //out.print("-----------");
        return "viewName";
    }
    @RequestMapping
    public String testCommand(User user,BindingResult result){
        return "xxx";
    }
    @RequestMapping("/xxx")
    public void testVoid(){
        System.out.print("xxx");
        //会生成一个隐含的viewName -- 按请求路径,如果请求是xxx.do 则返回的视图为 xxx.jsp
        //${appName }/test/xxx.do --> test/xxx --> /WEB-INF/page/test/xxx.jsp
    }
    public User testuser(){ //model("user",user)
        return null;
    }
    //除了可以单独返回一个User对象，我们也可以返回一个List对象
    public List<User> testuser2(){
        //model("userList",user) request.getAttribute("userList");
        //即默认生成的key值为 userList
        return null;
    }
}

package test.entity;
/**
 * @className:User.java
 * @classDescription:
 * @author:wei.luo
 * @createTime:2012-2-15下午11:04:10
 */
public class User {
    private String name;
    private String password;
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getPassword() {
        return password;
    }
    public void setPassword(String password) {
        this.password = password;
    }
}

package test.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import test.entity.User;
/**
 * @className:UserController.java
 * @classDescription:
 * @author:wei.luo
 * @createTime:2012-2-16上午12:59:17
 */
@Controller
@RequestMapping("/user")
public class UserController {
    @RequestMapping(method=RequestMethod.GET)
    public String addForm(){
        return "add_user";
    }
    @RequestMapping(method=RequestMethod.POST)
    public String addUser(User user){
        //返回一个重定向视图
        return "redirect:/user_list";
    }
    //避免重复提交
    //request.forward(); a -server -> b
    //response.redirect a --> server --> client --> b
}

package test.controller;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;
/**
 * @className:MyInteceptor.java
 * @classDescription:
 * @author:wei.luo
 * @createTime:2012-2-16上午01:30:20
 */
public class MyInteceptor implements HandlerInterceptor {
    //释放资源
    public void afterCompletion(HttpServletRequest request,
                                HttpServletResponse response, Object arg2, Exception arg3)
            throws Exception {
    }
    //控制器执行完，生成视图之前可以做的动作，向模型中添加公共成员
    public void postHandle(HttpServletRequest request, HttpServletResponse response,
                           Object handler, ModelAndView modelAndView) throws Exception {
    }
    //拦截之前执行的方法
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response,
                             Object handler) throws Exception {
        return false;
    }
}

package test.controller;
import javax.validation.Valid;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import test.entity.User;
/**
 * @className:UserController.java
 * @classDescription:
 * @author:wei.luo
 * @createTime:2012-2-16上午12:59:17
 */
@Controller
@RequestMapping("/user")
public class UserController {
    @RequestMapping(method=RequestMethod.GET)
    public String addForm(){
        return "add_user";
    }
    @RequestMapping(method=RequestMethod.POST)
    public String addUser(User user){
        //返回一个重定向视图
        return "redirect:/user_list";
    }
    //避免重复提交
    //request.forward(); a -server -> b
    //response.redirect a --> server --> client --> b
    //spring mvc的bean验证,对user对象加入验证，并绑定到一个结果集上
    @RequestMapping(method=RequestMethod.POST)
    public String addUser2(@Valid User user,BindingResult result){
        if(result.hasErrors()){    //如果验证发生错误
            return "formView";
        }
        //返回一个重定向视图
        return "redirect:/user_list";
    }
    //使用这个验证，要加入以下几个包：
    //validation-api-1.0.0.GA.jar
    //hibernate-validator-4.0.2.GA.jar
    //slf4j-api-1.5.6.jar
    //slf4j-log4j12-1.5.6.jar
}