添加依赖：
<dependency > <groupId >com.sun.mail </groupId > <artifactId >javax.mail </artifactId > </dependency >
public class MessageTest {
//短信服务提供商。这个就百度吧，很多，真的很多。我随便找的一家提供商。 private static String Url = "http://106.ihuyi.cn/webservice/sms.php?method=Submit"; public static void main(String[] args) { /* 方式二是一键完成短信功能的展示而已 */ HttpClient client = new HttpClient(); PostMethod method = new PostMethod(Url); client.getParams().setContentCharset("GBK");// 在头文件中设置转码 method.setRequestHeader("ContentType","application/x-www-form-urlencoded;charset=GBK"); 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。"); NameValuePair[] data = {//提交短信 new NameValuePair("account", "C65868831"),// 注册的用户名 new NameValuePair("password", "fc422f9380ae002985db316ecce0ab27"), //查看密码请登录用户中心->验证码、通知短信->帐户及签名设置->APIKEY //new NameValuePair("password", util.StringUtil.MD5Encode("密码")), new NameValuePair("mobile", "13590218041"),//要发的手机 new NameValuePair("content", content),//要发的内容 }; method.setRequestBody(data); try { client.executeMethod(method);//发送短信 Header[] headers = method.getResponseHeaders();//短信返回信息 int statusCode = method.getStatusCode();//状态码 System.out.println("statusCode:" + statusCode); for (Header h : headers) {//响应头的打印 System.out.println(h.toString()); } String result = null; result = new String(method.getResponseBodyAsString().getBytes( "GBK"));//打印响应体 System.out.println(result); method.releaseConnection(); } catch (IOException e) { e.printStackTrace(); } } }