必看说明

sign = md5(http_method + host + path + k1=v1&k2=v2&kn=vn + appSecret)

function joinParams (params) {
        let ps = [];
        for (let k in params) {
            ps.push(k + "=" + params[k])
        }
        ps.sort();
        return ps.join("&")
    }

//参数区分大小写
appSecret = "1ox7b7nyr5d9i0cu205pffmx88400j0q"  // 软件秘钥
httpMethod = "POST"
host = "api.hwwlyz.com"
path = "/api/v1/card/login"

# 参数列表：
#  appKey=fa29cd0ad8ff07687758
#  card=sucSACHrgr0JAOXQLhwc
#  deviceId=test
#  timestamp=1704191774
# 将以上格式化的参数排序后，用 & 符号相隔拼接起来
params = "appKey=fa29cd0ad8ff07687758&card=sucSACHrgr0JAOXQLhwc&deviceId=test&timestamp=1704191774"

# 带入计算公式
sign = md5(httpMethod + host + path + params + appSecret)

console.log(sign)  # 输出 6bbea21c463728a19fdb5f8934459087