网易云信（验证码短信接口接入）

准备工具类：chekSum

package net.tiantianup.commons.utils;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

/**
 * Created by LV on 2016/4/15 0015.
 * Email:LvLoveYuForever@gmail.com
 */
public class CheckSumBuilder {

    //计算并获取checkSum
    public static String getCheckSum(String appSecret,String nonce,String curTime){
        return encode("SHA",appSecret+nonce+curTime);
    }

    private static String encode(String algorithm,String value){
        if(value==null){
            return null;
        }

        try {
            MessageDigest messageDigest=MessageDigest.getInstance(algorithm);
            messageDigest.update(value.getBytes());
            return getFormattedText(messageDigest.digest());
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    private static String getFormattedText(byte[] bytes){
        int len=bytes.length;
        StringBuilder sb=new StringBuilder(len*2);
        for(int $i=0;$i<len;$i++){
            sb.append(HEX_DIGITS[(bytes[$i]>>4)&0x0f]);
            sb.append(HEX_DIGITS[bytes[$i]&0x0f]);
        }
        return sb.toString();
    }

    private static final char[] HEX_DIGITS={'0','1','2','3','4','5','6',
            '7','8','9','a','b','c','d','e','f'};

}

封装的短信发送工具类：

package net.tiantianup.commons.utils;

import com.alibaba.fastjson.JSON;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
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;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

/**
 * 短信工具类
 * Created by LV on 2016/4/15 0015.
 * Email:LvLoveYuForever@gmail.com
 */
public class MobileMessageSend {
    private static final String SERVER_URL="https://api.netease.im/sms/sendtemplate.action";//请求的URL
    private static final String APP_KEY="填入账号";//账号
    private static final String APP_SECRET="填入密码";//密码
    private static final String MOULD_ID="填入设置的模板ID";//模板ID
    private static final String NONCE="123456";

    public static int sendMsg(String phone,String msg) throws IOException {

        CloseableHttpClient httpclient = HttpClients.createDefault();
        HttpPost post = new HttpPost(SERVER_URL);

        String curTime=String.valueOf((new Date().getTime()/1000L));
        String checkSum=CheckSumBuilder.getCheckSum(APP_SECRET,NONCE,curTime);

        //设置请求的header
        post.addHeader("AppKey",APP_KEY);
        post.addHeader("Nonce",NONCE);
        post.addHeader("CurTime",curTime);
        post.addHeader("CheckSum",checkSum);
        post.addHeader("Content-Type","application/x-www-form-urlencoded;charset=utf-8");

        //设置请求参数
        List<NameValuePair> nameValuePairs =new ArrayList<>();
        nameValuePairs.add(new BasicNameValuePair("templateid",MOULD_ID));
        nameValuePairs.add(new BasicNameValuePair("mobiles","['"+phone+"']"));
        nameValuePairs.add(new BasicNameValuePair("params","['"+msg+"']"));

        post.setEntity(new UrlEncodedFormEntity(nameValuePairs,"utf-8"));

        //执行请求
        HttpResponse response=httpclient.execute(post);

        String responseEntity= EntityUtils.toString(response.getEntity(),"utf-8");

        //判断是否发送成功，发送成功返回true
        String code= JSON.parseObject(responseEntity).getString("code");
        if (code.equals("200"))
            {return 0;}

        return 500;
    }
}