捷易快信- 通过java程序，给微信发送消息

package com.xxx.xxx;
 
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.List;
 
import com.alibaba.fastjson.JSONObject;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
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 SendWechat {
    public static final String DATETIME_PATTERN = "yyyy-MM-dd HH:mm:ss";
 
    /**
     * 单独给用户发消息（新版）- 推荐
     * @param title
     * @param content
     * @param remark
     * @throws Exception
     */
    public static void sendMsg(String title, String content, String remark) {
        // 创建一个httpclient对象
        CloseableHttpClient client = HttpClients.createDefault();
        // 创建一个post对象
        HttpPost post = new HttpPost("http://jy.erpit.cn/api/message/send-user");
        // 创建一个Entity，模拟表单数据
        List<NameValuePair> formList = new ArrayList<NameValuePair>();
        // 添加表单数据
        formList.add(new BasicNameValuePair("secret", "此处是系统分配给您的密钥，在用户中心查看"));
        formList.add(new BasicNameValuePair("uid", "此处是接收消息人员的ID，通过用户列表获得"));
        formList.add(new BasicNameValuePair("template_id", "RV-jBDQSNen0J92hKn5GGE4id6We5Xu2vDgpbXbWe2I"));
 
        JSONObject obj = new JSONObject();
        JSONObject firstObj = new JSONObject();
        firstObj.put("value", title);
        obj.put("first", firstObj);
        JSONObject remarkObj = new JSONObject();
        remarkObj.put("value", "");
        obj.put("remark", remarkObj);
 
        JSONObject keyword1Obj = new JSONObject();
        keyword1Obj.put("value", title);
        obj.put("keyword1", keyword1Obj);
 
        JSONObject keyword2Obj = new JSONObject();
        keyword2Obj.put("value", "QQ空间黄钻");
        obj.put("keyword2", keyword2Obj);
 
        JSONObject keyword3Obj = new JSONObject();
        keyword3Obj.put("value", "腾讯QQ空间客服人员");
        obj.put("keyword3", keyword3Obj);
 
        JSONObject keyword4Obj = new JSONObject();
        keyword4Obj.put("value", content);
        obj.put("keyword4", keyword4Obj);
 
        JSONObject keyword5Obj = new JSONObject();
        keyword5Obj.put("value", LocalDateTime.now().format(DateTimeFormatter.ofPattern(DATETIME_PATTERN)));
        obj.put("keyword5", keyword5Obj);
 
        formList.add(new BasicNameValuePair("data", obj.toString()));
 
        try {
            // 包装成一个Entity对象
            StringEntity entity = new UrlEncodedFormEntity(formList, "utf-8");
            // 设置请求的内容
            post.setEntity(entity);
            // 设置请求的报文头部的编码
            // post.setHeader(new BasicHeader("Content-Type",
            // "application/x-www-form-urlencoded; charset=utf-8"));
            // 设置期望服务端返回的编码
            // post.setHeader(new BasicHeader("Accept",
            // "text/plain;charset=utf-8"));
            // 执行post请求
            CloseableHttpResponse response = client.execute(post);
            // 获取响应码
            int statusCode = response.getStatusLine().getStatusCode();
            if (statusCode == 200) {
                // 获取数据
                String resStr = EntityUtils.toString(response.getEntity());
                // 输出
                System.out.println(resStr);
            } else {
                // 输出
                System.out.println(statusCode);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
 
    }
 
    public static void main(String[] args) throws Exception {
        // sendMsg("消息标题", "消息内容", "消息详情");
        sendMsg("黄钻待支付订单提醒", "此接口用于新升级版本的群发消息，新版本中支持更多消息模板，更适合具体的业务场景，推荐使用", "备注");
    }
 
}