text: var urlFirst = "/ncms";
  
  //var urlFirst = "";
  /**
   * 公共网络请求方法
   */
  function ajaxNcms(url, callback, failCallback) {
      var isvUrl = isvData(url);
      $.ajax({
          url: isvUrl,
          timeout: 30000,
          dataType: 'json',
          async: false,
          success: function (data) {
              if (data.succeed) {
                  callback(data);
              } else {
                  failCallback();
                  var msg = "服务异常，请稍后再试";
                  if (data.msg) {
                      msg = data.msg;
                  }
                  alert(msg);
              }
          },
          error: function (xmlHttpRequest, textStatus) {
              failCallback();
              alert("服务异常，请稍后再试");
          }
      });
  }
  
  function ajaxNcms2(url) {
      var isvUrl2 = isvData(url);
      return isvUrl2;
  }
  
  /** 表单序列化成json字符串的方法  */
  function form2Json(formId) {
      var paramArray = $('#' + formId).serializeArray();
      /*请求参数转json对象*/
      var jsonObj = {};
      $(paramArray).each(function () {
          jsonObj[this.name] = this.value;
      });
      // json对象再转换成json字符串
      return jsonObj;
  }
  
  function ajaxPost(url, formId, callback, failCallback) {
      var isvUrl = isvData(url);
      var jsonObj = form2Json(formId);
      $.ajax({
          type: 'POST',
          contentType: "application/json;charset=UTF-8",
          async: false,
          url: isvUrl,
          timeout: 3000,
          dataType: 'json',
          data: JSON.stringify(jsonObj),
          /*headers: {
              "token":eval('jsonObj.token')
          },*/
          success: function (datas) {
              console.log(datas);
              if (datas.succeed) {
                  callback(datas);
              } else {
                  failCallback(datas);
              }
          },
          error: function (xmlHttpRequest, textStatus) {
              failCallback();
              alert("服务异常，请稍后再试");
          }
      });
  }
  
  // ISV验证
  function isvData(url) {
      var time1 = new Date().getTime(); //时间毫秒数
      var time = (time1 + '').slice(0, -3); //截取前十位
      var app_key = '123'; //密钥
      //公共参数
      var publicParm = {
          app_id: 'app_weixin',
          timestamp: time,
          version: 1
      };
      var parmStr = sortParm(Object.assign(publicParm));
      //业务参数
      var urlParm = {};
      var urlParmArr = url.split("?");
      var urlParmStr = '';
      if (urlParmArr.length > 1) {
          urlParmStr = urlParmArr[1];
      }
      urlParmArr = urlParmStr.split("&");
      for (var i = 0; i < urlParmArr.length; i++) {
          var kv = urlParmArr[i].split("=");
          var obj = {};
          obj[kv[0]] = kv[1];
          urlParm = Object.assign(urlParm, obj);
      }
      //所有参数集合
      var init = Object.assign(publicParm, urlParm);
      // 1、序列化参数
      var baseString = sortParm(init);
      //2、使用密钥(app_key)对待签字符串baseString进行HmacMD5数字签名
      var sign = hex_hmac_md5(app_key, baseString);
      //3、小写处理签名字符串
      sign = sign.toLowerCase();
      //4、拼接新的url
      if (url.indexOf('?') != -1) {
          url += "&" + parmStr + "&sign=" + sign;
      } else {
          url += "?" + parmStr + "&sign=" + sign;
      }
      return url;
  }
  
  //字典序参数
  function sortParm(init) {
      var pro = []; //声明一个空数组
      var $i = 0;
      for (var key in init) { //取出对象里面的键  添加到数组中
          pro[$i] = key;
          $i++;
      }
      pro.sort(); //进行字典排序
      // 根据排序拼接baseString用于加密
      var baseString = '';
      var $j = 0;
      for (var tmp in init) {
          baseString += pro[$j] + "=" + init[pro[$j]] + "&";
          $j++;
      }
      baseString = baseString.slice(0, -1); //去除最后一位&
      return baseString;
  }
  
  /**
   * md5加密
   */
  var hexcase = 0;
  var b64pad = "";
  var chrsz = 8;
  
  function hex_md5(s) {
      return binl2hex(core_md5(str2binl(s), s.length * chrsz));
  }
  
  function b64_md5(s) {
      return binl2b64(core_md5(str2binl(s), s.length * chrsz));
  }
  
  function hex_hmac_md5(key, data) {
      return binl2hex(core_hmac_md5(key, data));
  }
  
  function b64_hmac_md5(key, data) {
      return binl2b64(core_hmac_md5(key, data));
  }
  
  function calcMD5(s) {
      return binl2hex(core_md5(str2binl(s), s.length * chrsz));
  }
  
  
  function core_md5(x, len) {
  
      x[len >> 5] |= 0x80 << ((len) % 32);
      x[(((len + 64) >>> 9) << 4) + 14] = len;
      var a = 1732584193;
      var b = -271733879;
      var c = -1732584194;
      var d = 271733878;
      for (var i = 0; i < x.length; i += 16) {
          var olda = a;
          var oldb = b;
          var oldc = c;
          var oldd = d;
  
          a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936);
          d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586);
          c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819);
          b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330);
          a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897);
          d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426);
          c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341);
          b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983);
          a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416);
          d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417);
          c = md5_ff(c, d, a, b, x[i + 10], 17, -42063);
          b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162);
          a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682);
          d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101);
          c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290);
          b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329);
          a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510);
          d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632);
          c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713);
          b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302);
          a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691);
          d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083);
          c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335);
          b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848);
          a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438);
          d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690);
          c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961);
          b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501);
          a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467);
          d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784);
          c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473);
          b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734);
          a = md5_hh(a, b, c, d, x[i + 5], 4, -378558);
          d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463);
          c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562);
          b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556);
          a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060);
          d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353);
          c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632);
          b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640);
          a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174);
          d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222);
          c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979);
          b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189);
          a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487);
          d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835);
          c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520);
          b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651);
          a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844);
          d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415);
          c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905);
          b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055);
          a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571);
          d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606);
          c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523);
          b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799);
          a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359);
          d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744);
          c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380);
          b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649);
          a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070);
          d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379);
          c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259);
          b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551);
  
          a = safe_add(a, olda);
          b = safe_add(b, oldb);
          c = safe_add(c, oldc);
          d = safe_add(d, oldd);
      }
      return Array(a, b, c, d);
  
  }
  
  function md5_cmn(q, a, b, x, s, t) {
      return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b);
  }
  
  function md5_ff(a, b, c, d, x, s, t) {
      return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
  }
  
  function md5_gg(a, b, c, d, x, s, t) {
      return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
  }
  
  function md5_hh(a, b, c, d, x, s, t) {
      return md5_cmn(b ^ c ^ d, a, b, x, s, t);
  }
  
  function md5_ii(a, b, c, d, x, s, t) {
      return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
  }
  
  function core_hmac_md5(key, data) {
      var bkey = str2binl(key);
      if (bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);
  
      var ipad = Array(16), opad = Array(16);
      for (var i = 0; i < 16; i++) {
          ipad[i] = bkey[i] ^ 0x36363636;
          opad[i] = bkey[i] ^ 0x5C5C5C5C;
      }
  
      var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
      return core_md5(opad.concat(hash), 512 + 128);
  }
  
  function safe_add(x, y) {
      var lsw = (x & 0xFFFF) + (y & 0xFFFF);
      var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
      return (msw << 16) | (lsw & 0xFFFF);
  }
  
  function bit_rol(num, cnt) {
      return (num << cnt) | (num >>> (32 - cnt));
  }
  
  function str2binl(str) {
      var bin = Array();
      var mask = (1 << chrsz) - 1;
      for (var i = 0; i < str.length * chrsz; i += chrsz)
          bin[i >> 5] |= (str.charCodeAt(i / chrsz) & mask) << (i % 32);
      return bin;
  }
  
  function binl2hex(binarray) {
      var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
      var str = "";
      for (var i = 0; i < binarray.length * 4; i++) {
          str += hex_tab.charAt((binarray[i >> 2] >> ((i % 4) * 8 + 4)) & 0xF) +
              hex_tab.charAt((binarray[i >> 2] >> ((i % 4) * 8)) & 0xF);
      }
      return str;
  }
  
  function binl2b64(binarray) {
      var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
      var str = "";
      for (var i = 0; i < binarray.length * 4; i += 3) {
          var triplet = (((binarray[i >> 2] >> 8 * (i % 4)) & 0xFF) << 16)
              | (((binarray[i + 1 >> 2] >> 8 * ((i + 1) % 4)) & 0xFF) << 8)
              | ((binarray[i + 2 >> 2] >> 8 * ((i + 2) % 4)) & 0xFF);
          for (var j = 0; j < 4; j++) {
              if (i * 8 + j * 6 > binarray.length * 32) str += b64pad;
              else str += tab.charAt((triplet >> 6 * (3 - j)) & 0x3F);
          }
      }
      return str;
  }