springboot实现转发和重定向

1、转发

    方式一:使用 "forword" 关键字(不是指java关键字),注意:类的注解不能使用@RestController 要用@Controller

@RequestMapping(value="/test/test01/{name}" , method = RequestMethod.GET)
public String test(@PathVariable String name) {
    logger.info("controller类中方法的参数:" + name);
    HelloService helloService = new HelloService();
    helloService.helloService();
    return "forword:/ceng/hello.html";
}

    方式二:使用servlet 提供的API,注意:类的注解可以使用@RestController,也可以使用@Controller

@RequestMapping(value="/test/test01/{name}" , method = RequestMethod.GET)
public void test(@PathVariable String name, HttpServletRequest request, HttpServletResponse response) throws Exception {
    logger.info("controller类中方法的参数:" + name);
    HelloService helloService = new HelloService();
    helloService.helloService();
    request.getRequestDispatcher("/ceng/hello.html").forward(request,response);
}

 2、重定向

    方式一:使用 "redirect" 关键字(不是指java关键字),注意:类的注解不能使用@RestController,要用@Controller

@RequestMapping(value="/test/test01/{name}" , method = RequestMethod.GET)
public String test(@PathVariable String name) {
    logger.info("controller类中方法的参数:" + name);
    HelloService helloService = new HelloService();
    helloService.helloService();
    return "redirect:/ceng/hello.html";
}

    方式二:使用servlet 提供的API,注意:类的注解可以使用@RestController,也可以使用@Controller

@RequestMapping(value="/test/test01/{name}" , method = RequestMethod.GET)
public void test(@PathVariable String name, HttpServletResponse response) throws IOException {
    logger.info("controller类中方法的参数:" + name);
    HelloService helloService = new HelloService();
    helloService.helloService();
    response.sendRedirect("/ceng/hello.html");
}

 使用API进行转发时,一般会在url之前加上:request.getContextPath()

文章来自:https://www.cnblogs.com/lu51211314/p/10482099.html
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