我正在学习rest API，我觉得很难做[{"a": 1, "city" : "p"}, {"b": 2, "city" : "a"}]
请求。下面是我试过的代码。但记录没有成功更新
使用的网址 - PUT
尝试更新的价值 - http://www.thomas-bayer.com/sqlrest/PRODUCT/1
语言：Java
<PRICE>24.8</PRICE> to <PRICE>24.9</PRICE>我收到DefaultHttpClient httpClient = new DefaultHttpClient();
HttpPut putrequest = new HttpPut(
"http://www.thomas-bayer.com/sqlrest/PRODUCT/1");
List<NameValuePair> nvps = new ArrayList<NameValuePair>() {{
add(new BasicNameValuePair("content-type", "application/xml"));
add(new BasicNameValuePair("Server", "Apache-Coyote/1.1"));
}};
for (NameValuePair h : nvps) {
putrequest.addHeader(h.getName(), h.getValue());
}
String xml="<?xml version=\"1.0\"?><PRODUCT xmlns:xlink=\"http://www.w3.org/1999/xlink\">\n" +
" <ID>1</ID>\n" +
" <NAME>Chair Shoe</NAME>\n" +
" <PRICE>24.9</PRICE>\n" +
"</PRODUCT>";
putrequest.setEntity(new StringEntity(xml));
HttpResponse response = httpClient.execute(putrequest);
if (response.getStatusLine().getStatusCode() != 201) {
throw new RuntimeException("Failed : HTTP error code : "
+ response.getStatusLine().getStatusCode());
}
httpClient.getConnectionManager().shutdown();
}
响应，但如果使用500的记录不存在，我可以添加记录。如何解决这个问题？
答案 0 :(得分：0)
如果它被添加并且你仍然得到500，那么有以下可能性：