相信这类型短信，大家收到的很多吧！但是，你知道这个是怎么实现的吗？肯定不是有人专门一个一个的发的，肯定是在程序里批量执行的（这条短信肯定不止你一个人收到，当然，验证码肯定是你一个人收到的，但肯定不是人给你发的，肯定是程序给你发的）。
那么，用程序该怎么实现短信的发送功能呢？
首先我们需要短信发送的几个jar包。
/s/1rogxp4xJO6p62dqR_kKUIw
然后看代码。
HttpClientUtil.java
import java.io.IOException;import .URL;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import org.apache.http.HttpEntity;import org.apache.http.NameValuePair;import org.apache.http.client.config.RequestConfig;import org.apache.http.client.entity.UrlEncodedFormEntity;import org.apache.http.client.methods.CloseableHttpResponse;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.conn.ssl.DefaultHostnameVerifier;import org.apache.http.conn.util.PublicSuffixMatcher;import org.apache.http.conn.util.PublicSuffixMatcherLoader;import org.apache.http.impl.client.CloseableHttpClient;import org.apache.http.impl.client.HttpClients;import org.apache.http.message.BasicNameValuePair;import org.apache.http.util.EntityUtils;public class HttpClientUtil { private RequestConfig requestConfig = RequestConfig.custom() .setSocketTimeout(15000) .setConnectTimeout(15000) .setConnectionRequestTimeout(15000) .build(); private static HttpClientUtil instance = null; private HttpClientUtil(){} public static HttpClientUtil getInstance(){ if (instance == null) { instance = new HttpClientUtil(); } return instance; } /** * 发送 post请求 * @param httpUrl 地址 */ public String sendHttpPost(String httpUrl) { HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost return sendHttpPost(httpPost,"utf-8"); } /** * 发送 post请求 * @param httpUrl 地址 * @param maps 参数 * @param type 字符编码格式 */ public String sendHttpPost(String httpUrl, Map<String, String> maps,String type) { HttpPost httpPost = new HttpPost(httpUrl);// 创建httpPost // 创建参数队列 List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(); for (String key : maps.keySet()) { nameValuePairs.add(new BasicNameValuePair(key, maps.get(key))); } try { httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs, type)); } catch (Exception e) { e.printStackTrace(); } return sendHttpPost(httpPost,type); } /** * 发送Post请求 * @param httpPost * @return */ private String sendHttpPost(HttpPost httpPost,String reponseType) { CloseableHttpClient httpClient = null; CloseableHttpResponse response = null; HttpEntity entity = null; String responseContent = null; try { // 创建默认的httpClient实例. httpClient = HttpClients.createDefault(); httpPost.setConfig(requestConfig); // 执行请求 response = httpClient.execute(httpPost); entity = response.getEntity(); responseContent = EntityUtils.toString(entity, reponseType); } catch (Exception e) { e.printStackTrace(); } finally { try { // 关闭连接,释放资源 if (response != null) { response.close(); } if (httpClient != null) { httpClient.close(); } } catch (IOException e) { e.printStackTrace(); } } return responseContent; } /** * 发送 get请求 * @param httpUrl */ public String sendHttpGet(String httpUrl) { HttpGet httpGet = new HttpGet(httpUrl);// 创建get请求 return sendHttpGet(httpGet); } /** * 发送 get请求Https * @param httpUrl */ public String sendHttpsGet(String httpUrl) { HttpGet httpGet = new HttpGet(httpUrl);// 创建get请求 return sendHttpsGet(httpGet); } /*** @Title: sendMsgUtf8* @Description: TODO(发送utf8)* @param: @param Uid* @param: @param Key* @param: @param content* @param: @param mobiles* @param: @return* @date: -3-22 下午5:58:07* @throws*/@SuppressWarnings({ "rawtypes", "unchecked" })public int sendMsgUtf8(String Uid,String Key,String content,String mobiles){Map maps = new HashMap();maps.put("Uid", Uid);maps.put("Key", Key);maps.put("smsMob", mobiles);maps.put("smsText", content);String result = sendHttpPost("http://utf8.", maps, "utf-8");return Integer.parseInt(result);}/*** @Title: sendMsgUtf8* @Description: TODO(发送utf8)* @param: @param Uid* @param: @param Key* @param: @param content* @param: @param mobiles* @param: @return* @return: int* @author: ly* @date: -3-22 下午5:58:07* @throws*/@SuppressWarnings({ "rawtypes", "unchecked" })public int sendMsgGbk(String Uid,String Key,String content,String mobiles){Map maps = new HashMap();maps.put("Uid", Uid);maps.put("Key", Key);maps.put("smsMob", mobiles);maps.put("smsText", content);String result = sendHttpPost("http://gbk.", maps, "gbk");return Integer.parseInt(result);}/** * 发送Get请求 * @param httpPost * @return */ private String sendHttpGet(HttpGet httpGet) { CloseableHttpClient httpClient = null; CloseableHttpResponse response = null; HttpEntity entity = null; String responseContent = null; try { // 创建默认的httpClient实例. httpClient = HttpClients.createDefault(); httpGet.setConfig(requestConfig); // 执行请求 response = httpClient.execute(httpGet); entity = response.getEntity(); responseContent = EntityUtils.toString(entity, "UTF-8"); } catch (Exception e) { e.printStackTrace(); } finally { try { // 关闭连接,释放资源 if (response != null) { response.close(); } if (httpClient != null) { httpClient.close(); } } catch (IOException e) { e.printStackTrace(); } } return responseContent; } /** * 发送Get请求Https * @param httpPost * @return */ private String sendHttpsGet(HttpGet httpGet) { CloseableHttpClient httpClient = null; CloseableHttpResponse response = null; HttpEntity entity = null; String responseContent = null; try { // 创建默认的httpClient实例. PublicSuffixMatcher publicSuffixMatcher = PublicSuffixMatcherLoader.load(new URL(httpGet.getURI().toString())); DefaultHostnameVerifier hostnameVerifier = new DefaultHostnameVerifier(publicSuffixMatcher); httpClient = HttpClients.custom().setSSLHostnameVerifier(hostnameVerifier).build(); httpGet.setConfig(requestConfig); // 执行请求 response = httpClient.execute(httpGet); entity = response.getEntity(); responseContent = EntityUtils.toString(entity, "UTF-8"); } catch (Exception e) { e.printStackTrace(); } finally { try { // 关闭连接,释放资源 if (response != null) { response.close(); } if (httpClient != null) { httpClient.close(); } } catch (IOException e) { e.printStackTrace(); } } return responseContent; } /*** @Title: getErrorMsg* @Description: TODO(返回异常原因)* @param: @param errorCode*/public String getErrorMsg(int errorCode){if(errorCode==-1){return "没有该用户账户";}else if(errorCode==-2){return "接口密钥不正确";}else if(errorCode==-3){return "短信数量不足";}else if(errorCode==-4){return "手机号格式不正确";}else if(errorCode==-21){return "MD5接口密钥加密不正确";}else if(errorCode==-11){return "该用户被禁用";}else if(errorCode==-14){return "短信内容出现非法字符";}else if(errorCode==-41){return "手机号码为空";}else if(errorCode==-42){return "短信内容为空";}else if(errorCode==-51){return "短信签名格式不正确";}else if(errorCode==-6){return "IP限制";}else{return "未知错误码:"+errorCode;}}}
测试类：Test.java
所以说，这个都实现了，像短信验证码啊，营销短信啊，就只需要加逻辑控制，判断，然后照样调发送方法。好啦，今天就先写到这。哎，我的视频剪辑这段时间要搁浅了，总是计划赶不上变化啊！学习是条不归路啊！好像真的是找不到尽头，发现不懂不明白的越来越多。
