java实现微信模板消息发送

controller接口：
/**
*
* @param touser 接收用户openId
* @param template_id 模板Id
* @param url url 调用方需要编码
* @param topcolor topcolor 调用方需要编码
* @param data 模板参数，传过来的是json串  调用方需要编码
* { "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16日", "color":"173177"},
* "remark":{ "value":"欢迎再次购买！", "color":"173177"}}
* @return
*/
@RequestMapping(value="sendMsg",produces = "application/json; charset=utf-8")
public String sendMsg(String touser,String template_id,String url,String topcolor,String data){
if(Strings.isNullOrEmpty(data)||Strings.isNullOrEmpty(touser)||Strings.isNullOrEmpty(template_id)){
return  formatJson(1,"参数错误，请检查参数是否正确！");
}

try {
logger.info("模板消息接收参数（解码后）："+data);
data = URLDecoder.decode(data, "UTF-8");
logger.info("模板消息接收参数（解码后）："+data);
url = url==null?"":URLDecoder.decode(url, "UTF-8");
topcolor = topcolor==null?"":URLDecoder.decode(topcolor, "UTF-8");
} catch (UnsupportedEncodingException e) {
return  formatJson(1,"解析参数异常,请检查data，topcolor，url参数");
}



JSONObject obj = null;
try {
obj = JSON.parseObject(data);
} catch (Exception e) {
logger.info("将data转换成json异常，"+e.getMessage());
return  formatJson(1,"解析参数异常，请检查data是否为标准的JOSN串");
}

TemplateMsg templateMsg = new TemplateMsg();
templateMsg.touser = touser;
templateMsg.data = obj;
templateMsg.template_id = template_id;
if(!Strings.isNullOrEmpty(url)){
templateMsg.url = url;
}

if(!Strings.isNullOrEmpty(topcolor)){
templateMsg.topcolor = topcolor;
}

logger.info("接收模板消息："+templateMsg.toString());

SendTemplateMsgResponse sendTemplateMsgResponse  = templateMessageService.sendMsg(templateMsg);

if(sendTemplateMsgResponse == null){
return formatJson(1,"发送消息异常！");
}

if(sendTemplateMsgResponse.errcode == 0){//发送成功
return  "{\"code\":\"0\",\"result\":\"发送成功\",\"msgid\":\""+sendTemplateMsgResponse.msgid+"\"}";
}else{
return formatJson(1,sendTemplateMsgResponse.errmsg);
}
}

service：
public interface TemplateMessageService {
   public SendTemplateMsgResponse sendMsg(TemplateMsg templateMsg);
}
serviceImpl：
public class TemplateMessageServiceImpl implements TemplateMessageService {
@Override
public SendTemplateMsgResponse sendMsg(TemplateMsg templateMsg) {
SendTemplateMsgResponse sendTemplateMsgResponse = null;
try {
// https://api.weixin.qq.com/cgi-bin/message/template/send?access_token=ACCESS_TOKEN
//将这里修改为自己调用服务的方式
sendTemplateMsgResponse = Http.post(
"cgi-bin/message/template/send", templateMsg,
SendTemplateMsgResponse.class);

} catch (Exception e) {
logger.debug("Send Template Message Exception:" + e.getMessage());
}

return sendTemplateMsgResponse;
}
}


model：
public class SendTemplateMsgResponse  extends BaseResponse{
        public String msgid;
        public int errcode = 0;
        public String errmsg;

@Override
public String toString() {
return "SendTemplateMsgResponse [msgid=" + msgid + ", errcode="
+ errcode + ", errmsg=" + errmsg + "]";
}

}


public class TemplateMsg {
public String touser;

public String template_id;

public String url;

public String topcolor;

public JSONObject data;

}