Java http常用方法_Java使用HttpClient发送请求的几种常用方式

public static String GetLink(String Corpcode, String Code) throws Exception {

HttpClient client = new HttpClient();// 打开新窗口

client.getHostConfiguration().setHost(“localhost”, 8080);// 配置

// 模拟手动登录页面,login是处理登陆的action

PostMethod post = new PostMethod(“/login”);

NameValuePair username = new NameValuePair(“username”, “admin”);//用户名

NameValuePair pass = new NameValuePair(“password”, “admin123”);//密码

post.setRequestBody(new NameValuePair[] { username, pass });

int status = client.executeMethod(post);

System.out.println(“执行状态:” + status + “,返回状态:” + post.getStatusLine();           post.releaseConnection();

// 查看 cookie,并传递Cookies到服务器认证

CookieSpec cookiespec = CookiePolicy.getDefaultSpec();

Cookie[] cookies = cookiespec.match(“localhost”, 8080, “/”, false, client.getState().getCookies());

if (cookies.length == 0) {

System.out.println(“没有Cookies”);

} else {

for (int i = 0; i < cookies.length; i++) {

System.out.println(“Cookies:” + cookies[i].toString());

}

}

// 因为前面已经登陆了,也加入了Cookies,所以才可以直接访问这个地址

GetMethod get = new GetMethod(“/user”);//这个才是需要访问的真正action

int stats = client.executeMethod(get);

String result = get.getResponseBodyAsString();

System.out.println(“Get请求:” + result);

get.releaseConnection();

return result;

}


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