SpringMVC基础-08-转发与重定向

School.java

package com.monkey1024.bean;

/*
 * 学校
 */
public class School {
	public String getSchoolName() {
		return schoolName;
	}
	public void setSchoolName(String schoolName) {
		this.schoolName = schoolName;
	}
	public String getAddress() {
		return address;
	}
	public void setAddress(String address) {
		this.address = address;
	}
	private String schoolName;
	private String address;
	
}

ForWardRedirectController.java

package com.monkey1024.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import com.monkey1024.bean.School;

/*
 * spring mvc中的转发和重定向
 */
@Controller
public class ForwardRedirctController {
	/*
	 * 返回modelAndView对象的转发
	 */
	@RequestMapping("/forwardMAV.do")
	public ModelAndView forwardMAV() throws Exception{
		ModelAndView mv = new ModelAndView();
		mv.addObject("type","返回ModelAndView对象的转发");
		//默认使用转发来进行跳转
//		mv.setViewName("/result");
		//手动显示的指定使用转发，此时视图解析器将会失效
//		mv.setViewName("forward:/jsp/result.jsp");
		//如果要跳转到其他controller中，此时需要显示写上forward
		mv.setViewName("forward:other.do");
		return mv;
	}
	
	@RequestMapping("/redirectMAV.do")
	public ModelAndView redirectMAV() throws Exception{
		ModelAndView mv = new ModelAndView();
		
		//这里只能传递基本数据类型和String类型
		mv.addObject("type","返回ModelAndView对象的重定向");
		mv.addObject("schoolName","清华");
		mv.addObject("address","北京");
		//重定向
//		mv.setViewName("redirect:/jsp/result.jsp");
		mv.setViewName("redirect:other.do");
		
		return mv;
	}
	
	/*
	 * 返回Strin类型的转发
	 */
	@RequestMapping("/forwardStr.do")
	//方法中的参数会被自动的放到request域中
	public String forwardStr(School school) throws Exception{
		
		//return "result";
		//显示的指定使用转发
		return "forward:/jsp/result.jsp";
	}
	
	/*
	 * 返回String类型的重定向
	 */
	@RequestMapping("/redirectStr.do")
	public String redirectStr(Model model,School school) throws Exception{
		//数据会被放到url地址栏中，因此只能传递基本数据类型和String类型
		model.addAttribute("schoolName",school.getSchoolName());
		model.addAttribute("address",school.getAddress());
		return "redirect:/jsp/result.jsp";
	}
}

result.jsp

Insert title here


${type }
${content }
${param.type }
${requestScope.school.address }
${school.schoolName }
${param.address }
${param.schoolName }