java 如何设计 Spring MVC REST 服务？
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How to design a Spring MVC REST service?
提问by outvir
I want the client and server application to talk to each other using REST services. I have been trying to design this using Spring MVC. I am looking for something like this:
我希望客户端和服务器应用程序使用 REST 服务相互通信。我一直在尝试使用 Spring MVC 来设计它。我正在寻找这样的东西：
- Client does a POST rest service call
saveEmployee(employeeDTO, companyDTO) - Server has a similar POST method in its controller
saveEmployee(employeeDTO, companyDTO)
- 客户端执行 POST 休息服务调用
saveEmployee(employeeDTO, companyDTO) - 服务器在其控制器中具有类似的 POST 方法
saveEmployee(employeeDTO, companyDTO)
Can this be done using Spring MVC?
这可以使用 Spring MVC 完成吗？
回答by esaj
Yes, this can be done. Here's a simple example (with Spring annotations) of a RESTful Controller:
是的，这是可以做到的。这是一个 RESTful 控制器的简单示例（带有 Spring 注释）：
@Controller
@RequestMapping("/someresource")
public class SomeController
{
@Autowired SomeService someService;
@RequestMapping(value="/{id}", method=RequestMethod.GET)
public String getResource(Model model, @PathVariable Integer id)
{
//get resource via someService and return to view
}
@RequestMapping(method=RequestMethod.POST)
public String saveResource(Model model, SomeResource someREsource)
{
//store resource via someService and return to view
}
@RequestMapping(value="/{id}", method=RequestMethod.PUT)
public String modifyResource(Model model, @PathVariable Integer id, SomeResource someResource)
{
//update resource with given identifier and given data via someService and return to view
}
@RequestMapping(value="/{id}", method=RequestMethod.DELETE)
public String deleteResource(Model model, @PathVariable Integer id)
{
//delete resource with given identifier via someService and return to view
}
}
Note that there are multiple ways of handling the incoming data from http-request (@RequestParam, @RequestBody, automatic mapping of post-parameters to a bean etc.). For longer and probably better explanations and tutorials, try googling for something like 'rest spring mvc' (without quotes).
请注意，有多种方法可以处理来自 http-request 的传入数据（@RequestParam、@RequestBody、后置参数到 bean 的自动映射等）。要获得更长且可能更好的解释和教程，请尝试在谷歌上搜索诸如“rest spring mvc”（不带引号）之类的内容。
Usually the clientside (browser) -stuff is done with JavaScript and AJAX, I'm a server-backend programmer and don't know lots about JavaScript, but there are lots of libraries available to help with it, for example see jQuery
通常客户端（浏览器）的东西是用 JavaScript 和 AJAX 完成的，我是一个服务器后端程序员，对 JavaScript 了解不多，但是有很多库可以帮助它，例如参见jQuery
See also: REST in Spring 3 MVC
另请参阅： Spring 3 MVC 中的 REST
回答by danny.lesnik
Yes, Rest is very easy to implement using spring MVC.
是的，Rest 使用 spring MVC 很容易实现。
@RequestMapping(value="/saveEmploee.do",method = RequestMethod.POST)
@ResponseBody
public void saveEmployee(@RequestBody Class myclass){
//saving class.
//your class should be sent as JSON and will be deserialized by Hymanson
//bean which should be present in your Spring xml.
}
