ajax的参数有哪些 ajax的常用参数

ajaxpost带参数请求后台怎么接收参数

把要发送的json作为字符串传入body即可

public static String sendHttpPost(String url, String body) throws Exception {
CloseableHttpClient httpClient = HttpClients.createDefault();
HttpPost httpPost = new HttpPost(url);
httpPost.addHeader("Content-Type", "application/json");
httpPost.setEntity(new StringEntity(body));

CloseableHttpResponse response = httpClient.execute(httpPost);
System.out.println(response.getStatusLine().getStatusCode() + "\n");

HttpEntity entity = response.getEntity();
String responseContent = EntityUtils.toString(entity, "UTF-8");
System.out.println(responseContent);

response.close(); httpClient.close(); return responseContent; }

ajax传递参数springmvc怎么接收

比如ajax写法$("#test2").on("click",function(){ var id =1; var username ="fangxin"; $.post("/mvc/client1/test2",{id:id,username:username,birthday:new Date()}) })；

Spring后台接收 @RequestMapping("/test2") @ResponseBody public void test2(User user){ System.out.println(user.getId())

; System.out.println(user.getUsername())

; System.out.println(user.getBirthday()); }

ajax请求为post时，服务器端如何获取参数

这取决于post时的mime类型以及后台语言。比如默认情况下mime类型应该是application/x-www-form-urlencoded，后台语言假定是php，则这样读取：

$_POST["key"]

如果是asp则这样： request.form("key") 或 request("key")

另外，当上传的是文件时，则mime类型通常是multipart/form-data

如果上传的是json对象，则类型为application/json

不同的类型，后台就要用不同的方式去处理。