假设我有一个具有基于Hibernate的持久层的Spring 4 Web应用程序。我想创建一个支持我的模型的基本CRUD操作的RestController
。创建读取记录的方法可以毫无困难地工作:将JSON映射到Spring REST控制器中的Hibernate模型
@RequestMapping(value = "/stuff/list", method = RequestMethod.GET)
public List<Stuff> getStuff(){
return stuffService.findAll();
}
Jackson处理对象序列化,没问题。但是如果我想添加一个通过POST请求创建新记录的方法呢?有没有简单的方法来支持这种简单的方法?
@RequestMapping(value = "/stuff/new", method = RequestMethod.POST)
public Integer getStuff(@RequestParam("stuff") Stuff stuff){
return stuffService.save(stuff);
}
是这样的可能吗?或者我需要手动将发布的表单数据映射到新对象?
SOLUTION
这是我如何解决我的问题,有一对夫妇的步骤。首先,我的最终控制方法:
@RequestMapping(value = "/stuff/new", method = RequestMethod.POST)
public Integer getStuff(@RequestBody Stuff stuff){
return stuffService.save(stuff);
}
我已经有适用于所有应用程序的请求API过滤器,允许跨源资源共享,但需要修改,这允许请求指定内容类型:
public class SimpleCORSFilter implements Filter{
@Override public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
FilterChain filterChain) throws IOException, ServletException {
HttpServletResponse response = (HttpServletResponse) servletResponse;
response.setHeader("Access-Control-Allow-Origin", "*");
response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE");
response.setHeader("Access-Control-Max-Age", "3600");
response.setHeader("Access-Control-Allow-Headers", "x-requested-with, Content-Type");
filterChain.doFilter(servletRequest, servletResponse);
}
@Override public void init(FilterConfig filterConfig) throws ServletException { }
@Override public void destroy() { }
}
被注册在我的web.xml
文件:当我提出一个要求,如下面的一个
<filter>
<filter-name>cors</filter-name>
<filter-class>com.company.app.util.SimpleCORSFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>cors</filter-name>
<url-pattern>/api/*</url-pattern>
</filter-mapping>
现在,它将正确映射我提交了JSON到我的模型并坚持一个新的实例:
var stuff = {
name: "Some stuff",
description: "This is some stuff."
}
$.ajax({
url: url,
method: "post",
dataType: "json",
data: JSON.stringify(stuff),
contentType: "application/json"
}).done(function(data){
console.log(data);
}).fail(function(x, status, e){
console.log(e);
});
内容是HTML表单POST还是JSON? – Affe 2014-08-28 17:28:53
@Affe:JSON,通过浏览器AJAX请求或Spring'RestTemplate'发送。 – woemler 2014-08-28 17:30:33