Java：利用Hutool工具库简化Java中的HTTP请求操作/使用hutool工具类发送http请求

SDK 放入pom中: 

<dependency>
	<groupId>cn.hutool</groupId>
	<artifactId>hutool-all</artifactId>
	<version>4.1.2</version>
</dependency>

httpUtil使用post和get请求

//指定URL
String url = "https://xxx";

//存放参数
Map mapParam = new HashMap<>();
map.put("A", 100);
map.put("B", 200);

//存放请求头，可以存放多个请求头
HashMap headers = new HashMap<>();
headers.put("xxx", xxx);

//发送get请求并接收响应数据
String result= HttpUtil.createGet(url).addHeaders(headers)
.form(mapParam).execute().body();

//发送post请求并接收响应数据
String result= HttpUtil.createPost(url).body(mapParam)
.addHeaders(headers).execute().body();

test

@Test
public void testHttps() throws Exception {
JSONObject json = new JSONObject();
json.put("username", "xxxx");
json.put("password", "123456.");
String result = HttpRequest.post("https://xxx/users")
.header("Content-Type", "application/json")
.body(json)
.execute().body();
System.out.println(result);
}

---

post demo

public Response downloadFile(String fileId, String userName) { 
String url ="www.baidu.com" 
String jsonParams = JSON.toJSONString(new xxxx(fileId, userName)); 
Map<String, String> header = new HashMap<>(); 
String body = cn.hutool.http.HttpUtil.createPost(url)
.body(jsonParams).addHeaders(akSkHeader)
.execute().body(); 
//返回的结果转为json
 return JSON.parseObject(body,Response.class); }

---

get demo

public String getDemo(){
URI uri ="www.baidu.com"; 
//存放请求头，可以存放多个请求头 
HashMap<String, String> headers = new HashMap<>(); 
addConsoleHeadersMap(headers); 
//请求头加上headers.put("Accept", "application/json")
headers.put("Accept", "application/json");
 HashMap<String, Object> params = new HashMap<>(); 
params.put("systemId", systemId); 
//发送get请求并接收响应数据 
String result = HttpUtil.createGet(uri.toString())
.addHeaders(headers).form(params).execute().body();
return result;
}