使用org.apache.commons.httpclient

import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.apache.commons.lang.StringUtils;
import org.codehaus.jackson.map.ObjectMapper;
import org.codehaus.jackson.type.TypeReference;

public class GetDataTest {
public static void main(String[] args) {
String url = "http://xx/xx/xx";

SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
String date = sdf.format(new Date());
String sec = DigestUtils.md5Hex("XTPT" + date).toUpperCase();

// 构造HttpClient实例
HttpClient client = new HttpClient();
// 构造请求方法的实例
GetMethod method = new GetMethod(url + "?Ck=" + sec);

client.getParams().setContentCharset("UTF-8");
// 使用系统提供的默认的恢复策略
client.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler());
method.setRequestHeader("ContentType", "application/x-www-form-urlencoded;charset=UTF-8");

int statusCode = -1;
try {
// 获取返回的状态码
statusCode = client.executeMethod(method);
if (statusCode != HttpStatus.SC_OK) {
throw new IllegalStateException("Method failed: " + method.getStatusLine());
}
// 获取返回的结果
String result = method.getResponseBodyAsString();
// 转换的目标类型
TypeReference<List<Map<String, String>>> tr = new TypeReference<List<Map<String, String>>>() {
};
if (StringUtils.isNotEmpty(result) && !result.equals("Error")) {
// 解析JSON数据成目标类型
List<Map<String, String>> dataList = new ObjectMapper().readValue(result, tr);
for (Map<String, String> map : dataList) {
System.out.println(map);
}
} else {
System.err.println("无法获取请求结果，请检查");
}
} catch (HttpException e) {
// 发生致命的异常，可能是协议不对或者返回的内容有问题
System.out.println("Please check your provided http address!");
} catch (IOException e) {
// 发生网络异常
e.printStackTrace();
} finally {
method.releaseConnection();
}
}
}

import java.io.IOException;

import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;

public class PostDataTest {

private final static String Url = "http://xx";
private final static String account = "cf_123456";
private final static String password = "afcac35b6bf4b4e040feeaabf38ae78c";
private final static String telephone = "13911111111";

public static void main(String[] args) {
HttpClient client = new HttpClient();
PostMethod method = new PostMethod(Url);

client.getParams().setContentCharset("UTF-8");
client.getParams().setParameter(HttpMethodParams.RETRY_HANDLER, new DefaultHttpMethodRetryHandler());
method.setRequestHeader("ContentType", "application/x-www-form-urlencoded;charset=UTF-8");

int mobile_code = (int) ((Math.random() * 9 + 1) * 100000);

String content = new String("您的验证码是：" + mobile_code + "。请不要把验证码泄露给其他人。");

// 短信参数
NameValuePair[] data = {
new NameValuePair("account", account),
new NameValuePair("password", password),
new NameValuePair("mobile", telephone),
new NameValuePair("content", content), };
method.setRequestBody(data);

try {
int statusCode = client.executeMethod(method);
if (statusCode != HttpStatus.SC_OK) {
throw new IllegalAccessError("HttpMethod Failed");
}
String SubmitResult = method.getResponseBodyAsString();

Document doc = DocumentHelper.parseText(SubmitResult);
Element root = doc.getRootElement();

String code = root.elementText("code");

if (code.equals("2")) {
System.out.println("发送成功");
}

} catch (HttpException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (DocumentException e) {
e.printStackTrace();
}
}
}