在Spring中结合GET和POST请求方法 [英] Combine GET and POST request methods in Spring

问题描述

我拥有同时支持GET和POST请求的资源.这里是示例资源的示例代码:

I have a resource that supports both GET and POST requests. Here a sample code for a sample resource:

@RequestMapping(value = "/books", method = RequestMethod.GET)
public ModelAndView listBooks(@ModelAttribute("booksFilter") BooksFilter filter, two @RequestParam parameters, HttpServletRequest request)
    throws ParseException {
        LONG CODE
}


@RequestMapping(value = "/books", method = RequestMethod.POST)
public ModelAndView listBooksPOST(@ModelAttribute("booksFilter") BooksFilter filter, BindingResult result)
        throws ParseException {
        SAME LONG CODE with a minor difference
}

这两个方法中的代码实际上是相同的，除了可以说一个变量定义.可以使用method = {RequestMethod.POST, RequestMethod.GET}和内部的简单if轻松组合这两种方法.我试过了，但是不起作用，因为这两种方法最后都有一个不同的参数，即HttpServletRequest和BindingResult(@RequestParam不是必需的，因此在POST请求中不需要).有什么想法如何结合这两种方法吗?

The code in the two methods is practically the same, except for lets say a variable definition. The two methods can be easily combined using method = {RequestMethod.POST, RequestMethod.GET}, and a simple if inside. I tried, but it doesn't work, because the two methods have a different parameter at the end, i.e. HttpServletRequest and BindingResult (the @RequestParam's are not required and therefore not needed in the POST request). Any ideas how to combine the two methods?

推荐答案

@RequestMapping(value = "/testonly", method = { RequestMethod.GET, RequestMethod.POST })
public ModelAndView listBooksPOST(@ModelAttribute("booksFilter") BooksFilter filter,
        @RequestParam(required = false) String parameter1,
        @RequestParam(required = false) String parameter2, 
        BindingResult result, HttpServletRequest request) 
        throws ParseException {

    LONG CODE and SAME LONG CODE with a minor difference
}

如果@RequestParam(required = true)，则必须传递parameter1，parameter2

if @RequestParam(required = true) then you must pass parameter1,parameter2

使用BindingResult并根据您的条件请求它们.

Use BindingResult and request them based on your conditions.

另一种方式

@RequestMapping(value = "/books", method = RequestMethod.GET)
public ModelAndView listBooks(@ModelAttribute("booksFilter") BooksFilter filter,  
    two @RequestParam parameters, HttpServletRequest request) throws ParseException {

    myMethod();

}


@RequestMapping(value = "/books", method = RequestMethod.POST)
public ModelAndView listBooksPOST(@ModelAttribute("booksFilter") BooksFilter filter, 
        BindingResult result) throws ParseException {

    myMethod();

    do here your minor difference
}

private returntype myMethod(){
    LONG CODE
}

这篇关于在Spring中结合GET和POST请求方法的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！