Question

我有一个用java编写的宁静的Web服务。我从javascript调用它。我传递一个字符串参数（param = 5）。但是我需要发送一个对象来传递它。 如何从javascript端传递restful webservice中的对象？我如何在java方面解析它？

java代码：

@RequestMapping(value = "/services/getVillages")    
@ResponseBody

    public  Village getAllVillages(HttpServletRequest request) throws JSONException {

             String param = request.getParameter("param");
             System.out.println("parametre: " + param  );   
                   long startTime = System.currentTimeMillis();
                   //Village result = innerService.getAllVillagesCacheable(request);
              long stopTime = System.currentTimeMillis();
              long elapsedTime = stopTime - startTime;
              System.out.println("süre: " + elapsedTime);         

              startTime = System.currentTimeMillis();
              //Village result2 =   innerService.getAllVillages(new HttpServletRequest());
              stopTime = System.currentTimeMillis();
              elapsedTime = stopTime - startTime;
              System.out.println("süre cache'siz: " + elapsedTime);       

              return new Village();     }

javascript代码：

function callWS()
            {

            $.ajax({
                type: 'GET',
                url: 'http://localhost/services/getVillages/',
                data: "param=5", // the data in form-encoded format, ie as it would appear on a querystring
                dataType: "json", // the data type we want back, so text.  The data will come wrapped in xml
                success: function (data) {
                    alert("party hard"); // show the string that was returned, this will be the data inside the xml wrapper
                },
                error: function (data) {
                    alert("restful cagirmada hata"); // show the string that was returned, this will be the data inside the xml wrapper
                }
            });

        };

Answer 1

虽然您可以通过将对象放入请求的data属性来传递带有get事件的对象，但我建议使用post方法。 post方法允许将对象放入请求的主体中，这在处理复杂对象时更容易通过。

$.ajax({
            type: 'POST',
            url: 'http://localhost/services/getVillages/',
            data: {val1: 1, val2: 2, val3: 3}, 
            dataType: "json",
            success: function (data) {
                alert("party hard"); 
            },
            error: function (data) {
                alert("restful cagirmada hata"); 
            }
        });

如上所示执行此操作将创建一个post请求并将该对象添加到该请求的正文中。

使用简单对象，您可以使用get来执行此操作，并将属性放入查询字符串中，但我建议使用帖子并将对象放入正文中。

如何在javascript中调用restful webservice时传递一个对象

1 个答案: