com.zopen.wechat.mp.service.WechatJsSdkService Maven / Gradle / Ivy

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package com.zopen.wechat.mp.service;

import com.zcj.util.UtilRandom;
import com.zopen.wechat.exception.WechatAssert;
import com.zopen.wechat.mp.dto.jssdk.JsSdkConfig;
import com.zopen.wechat.mp.dto.jssdk.UtilSha1;
import com.zopen.wechat.mp.task.WechatInfo;
import org.springframework.stereotype.Component;

@Component("atoWechatJsSdkService")
public class WechatJsSdkService {

    /**
     * 生成前端需要的 JS-SDK 配置
     * 
     * https://developers.weixin.qq.com/doc/offiaccount/OA_Web_Apps/JS-SDK.html
     *
     * @param appId * app_id
     * @param url   * 当前网页的URL，不包含#及其后面部分
     * @return com.zopen.wechat.mp.dto.jssdk.JsSdkConfig
     */
    public JsSdkConfig getJsSdkConfig(String appId, String url) {
        WechatAssert.notNullAndEmpty(appId, "app_id 不能为空");
        WechatAssert.notNullAndEmpty(url, "url 不能为空");
        String jsapi_ticket = WechatInfo.getJsapiTicket(appId);
        WechatAssert.notNullAndEmpty(jsapi_ticket, "jsapi_ticket 不能为空");
        String noncestr = UtilRandom.getRandomChar(10);
        Long timestamp = System.currentTimeMillis();
        String unSignString = String.format("jsapi_ticket=%s&noncestr=%s×tamp=%s&url=%s", jsapi_ticket, noncestr, timestamp, url);
        String sign = UtilSha1.encode(unSignString);// sha1 签名
        JsSdkConfig result = new JsSdkConfig();
        result.setAppId(appId);
        result.setNonceStr(noncestr);
        result.setTimestamp(timestamp);
        result.setSignature(sign);
        return result;
    }

}