工具类,详见附件,下载地址:
http://files.cnblogs.com/files/007sx/weixin_util.zip
传的参数参考微信开发者文档-发送模板消息:
http://mp.weixin.qq.com/wiki/17/304c1885ea66dbedf7dc170d84999a9d.html#.E5.8F.91.E9.80.81.E6.A8.A1.E6.9D.BF.E6.B6.88.E6.81.AF
全局返回码说明:
http://mp.weixin.qq.com/wiki/17/fa4e1434e57290788bde25603fa2fcbd.html
package isa.qa.blep.admin.controller; import java.io.BufferedReader; import java.io.DataOutputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.UnsupportedEncodingException; import java.net.HttpURLConnection; import java.net.MalformedURLException; import java.net.URL; import java.util.HashMap; import java.util.Map; import org.apache.log4j.Logger; import org.springframework.http.MediaType; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.ResponseBody; import com.google.gson.Gson; import isa.qa.core.weixin.util.WeixinToken; import net.sf.json.JSONObject; @Controller @RequestMapping(value = "/api") public class WeixinMessageController { protected static Logger log = Logger.getLogger(WeixinMessageController.class); public static final String send_url = "https://api.weixin.qq.com/cgi-bin/message/template/send?access_token="; /** * 发送模板消息 * @param send_url * @param map * @return */ @RequestMapping(value = "/weixin/sendMessage/placeOrder", method = RequestMethod.POST, produces = MediaType.APPLICATION_JSON_VALUE) @ResponseBody public JSONObject sendMessage(@RequestBody HashMap<String, Object> map) { JSONObject jsonObject = null; String strJson = mapToJson(map); try { String access_token = WeixinToken.getRecentToken(); jsonObject = sendMessageUtil(send_url+access_token,strJson); } catch (Exception e) { e.printStackTrace(); } return jsonObject; } /** * 将Map转化为Json * * @param map * @return String */ public static <T> String mapToJson(Map<String, T> map) { Gson gson = new Gson(); String jsonStr = gson.toJson(map); return jsonStr; } /** * 发送post请求 * @param url * @throws Exception */ public static JSONObject sendMessageUtil(String send_url,String strJson) throws Exception { StringBuffer sb = new StringBuffer(""); JSONObject jsonObject = null; try{ //创建连接 URL url = new URL(send_url); HttpURLConnection connection = (HttpURLConnection) url.openConnection(); connection.setDoOutput(true); connection.setDoInput(true); connection.setRequestMethod("POST"); connection.setUseCaches(false); connection.setInstanceFollowRedirects(true); //connection.setRequestProperty("Content-Type","application/x-www-form-urlencoded"); connection.setRequestProperty("Content-Type","application/json; charset=UTF-8"); connection.connect(); //POST请求 DataOutputStream out = new DataOutputStream(connection.getOutputStream()); out.write(strJson.getBytes("UTF-8"));//这样可以处理中文乱码问题 out.flush(); out.close(); //读取响应 BufferedReader reader = new BufferedReader(new InputStreamReader( connection.getInputStream())); String lines; while ((lines = reader.readLine()) != null) { lines = new String(lines.getBytes(), "utf-8"); sb.append(lines); } System.out.println(sb); reader.close(); jsonObject = JSONObject.fromObject(sb.toString()); if(jsonObject.get("errcode").equals("0")){ throw new Exception(jsonObject.getString("errmsg")); } // 断开连接 connection.disconnect(); } catch (MalformedURLException e) { e.printStackTrace(); } catch (UnsupportedEncodingException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } return jsonObject; } }
传后台:
{
"touser":"oL0VOuBXNdeK6J0aFh0RB6A6LTjI",
"template_id":"w-6o1rsYobEzI2qYfbEocKQ5wewF7bhNJctiGg7J8Fg",
"url":"http://weixin.qq.com/download",
"data":{
"first": {
"value":"恭喜你购买成功!",
"color":"#173177"
},
"keynote1":{
"value":"巧克力",
"color":"#173177"
},
"keynote2": {
"value":"39.8元",
"color":"#173177"
},
"keynote3": {
"value":"2014年9月22日",
"color":"#173177"
},
"remark":{
"value":"欢迎再次购买!",
"color":"#173177"
}
}
}
发送成功的返回值:
{
"errcode": 0,
"errmsg": "ok",
"msgid": 540227432
}