（1）通過ModelAndView跳轉
@RequestMapping("alipayforward") public ModelAndView alipayforward(HttpServletRequest req, HttpServletResponse resp) throws Exception { String contNo =req.getParameter("contNo"); logger.info("訪問/downloadRequestElecCont.action"); String url = "redirect:http://baidu.com/downloadRequestElecCont.action?contNo="+contNo; return new ModelAndView(url); } （2）通過HttpServletResponse跳轉
@RequestMapping("alipayforward/{contNo}") public void alipayforward(@PathVariable("contNo") String contNo, HttpServletRequest req, HttpServletResponse resp) throws Exception { //String contNo =req.getParameter("contNo"); //保單號 logger.info("訪問/downloadRequestElecCont.action"); resp.sendRedirect("http://baidu.com/downloadRequestElecCont.action?contNo="+contNo); } （3）通過redirect返回String類型跳轉，注意這種方法不允許Spring控制器用@RestController注解，因為@RestController相當于類中的所有方法都標注了@ResponseBody，這些方法不會返回一個視圖，而是返回一個json對象，這樣的話只是在頁面上打印出字符串，而不跳轉。控制器用@Controller注解即可
@RequestMapping("alipayforward") public String alipayforward(@RequestParam("contNo") String contNo, HttpServletRequest req, HttpServletResponse resp) throws Exception { //String contNo =req.getParameter("contNo"); //保單號 logger.info("訪問/downloadRequestElecCont.action"); return "redirect:http://baidu.com/downloadRequestElecCont.action?contNo="+contNo; } 下面是關于傳參問題
重定向傳參為get方式，如果傳參數較多，可以封裝到map或modelMap中
@RequestMapping(params = "action=alipayforward") public String alipayforward(Map modelMap){ modelMap.put("userName", "呵呵"); modelMap.put("password", "123456"); modelMap.put("age", "25"); return "redirect:http://localhost:8088/era/user/alipayforward4?modelMap="+modelMap; } 另一個項目用實體類對象接收
@RequestMapping("alipayforward4") public void alipayforward4(User user, HttpServletRequest req) throws Exception { System.out.println(user.getPassword()); String modelMap = req.getParameter("modelMap"); System.out.println(modelMap); } 以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持武林網。
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