HttpClient Fluent API使用方法

1.加入 maven

 <dependency>
    <groupId>org.apache.httpcomponents</groupId>
    <artifactId>httpclient</artifactId>
    <version>4.5.8</version>
</dependency>
<dependency>
    <groupId>org.apache.httpcomponents</groupId>
    <artifactId>fluent-hc</artifactId>
    <version>4.5.8</version>
</dependency>

2.基本用法

Request.Get("http://www.baidu.com")
		.execute()
		.handleResponse(new ResponseHandler<String>() {
			@Override
			public String handleResponse(HttpResponse response) throws ClientProtocolException, IOException {
				return EntityUtils.toString(response.getEntity(), "utf-8");
			}
		});

3.额外参数

Request.Get("http://www.baidu.com")
		.connectTimeout(3000)
		.addHeader("key","value")
		.userAgent("test")
		.execute();

4.post

/*添加一个post参数*/
BasicNameValuePair pair = new BasicNameValuePair("name","hh");
Request.Post("http://www.baidu.com")
		.connectTimeout(3000)
		.bodyForm(pair)
		.execute();

5.post json

Request.Post("http://www.baidu.com")
			.connectTimeout(3000)
			.bodyString(JSON.toJSONString(var), ContentType.APPLICATION_JSON)
			.execute();

Request.Post("https://www.baidu.com")
		.useExpectContinue()
		.version(HttpVersion.HTTP_1_1)
		.bodyString("啦啦啦", ContentType.DEFAULT_TEXT)
		.execute();