调用微信内置的方法及wx.config的配置问题

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https://www.cnblogs.com/gygtech/p/9173647.html

@GetMapping("/xxx")
    @ResponseBody
    public AjaxResult xxx(String url) {
        if (StringUtils.isEmpty(url)) {
            return AjaxResult.error(601, "连接URL不能为空");
        }
        Map map = new HashMap();
        long timestamp = System.currentTimeMillis() / 1000;
        String ticket = getTicket();
        String noncestr = randomStr();
        map.put("appid", APPID);
        map.put("jsapi_ticket", ticket);
        map.put("noncestr", noncestr);
        map.put("timestamp", timestamp);
        String outstring = getSignStr(ticket, noncestr, timestamp, url);;
        map.put("outstring", outstring);
        map.put("signature", DigestUtils.sha1Hex(outstring));
        return AjaxResult.success().put("info", map);
    }

    /**
     * 随机字符串
     *
     * @return
     */
    private String randomStr() {
        String[] strs = {
                "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z",
                "A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"
        };
        Random r = new Random();
        StringBuilder sb = new StringBuilder();
        int len = strs.length - 1;
        for (int i = 0; i < 10; i++) {
            sb.append(strs[r.nextInt(len)]);
        }
        return sb.toString();
    }

    /**
     * 获取签名
     *
     * @param ticket
     * @param noncestr
     * @param timestamp
     * @param url
     * @return
     */
    private String getSignStr(String ticket, String noncestr, long timestamp, String url) {
        StringBuilder sb = new StringBuilder();
        sb.append("jsapi_ticket=").append(ticket).append("&")
                .append("noncestr=").append(noncestr).append("&")
                .append("timestamp=").append(timestamp).append("&")
                .append("url=").append(url.indexOf("#") >= 0 ? url.substring(0, url.indexOf("#")) : url);
        return sb.toString();
    }