手机型号系统

var platform = navigator.platform || '';
if (platform.indexOf("Win")==0) {
      terrace_type="windows";
      terrace =3;
      terrace_detail=9999;
    }else if(platform.indexOf("Mac")==0){
      terrace_type="mac";
      terrace =3;
      terrace_detail=9999;
    }else if ((platform == "X11") || (platform.indexOf("Linux") == 0)) {
      terrace_type="linux";
      terrace =3;
      terrace_detail=9999;
    };

var ua = /msie (\d+\.\d+)/i.test(navigator.userAgent)//手机ua
function ios() {
        var phone = {
            "iPhoneOS102": "26",
            "iPhoneOS101": "25",
            "iPhoneOS100": "24",
            "iPhoneOS93": "23",
            "iPhoneOS92": "22",
            "iPhoneOS91": "21",
            "iPhoneOS90": "20",
            "iPhoneOS84": "19",
            "iPhoneOS83": "18",
            "iPhoneOS82": "17",
            "iPhoneOS81": "16",
            "iPhoneOS80": "15",
            "iPhoneOS71": "14",
            "iPhoneOS70": "13",
            "iPhoneOS62": "12",
            "iPhoneOS61": "11",
            "iPhoneOS60": "10",
            "iPhoneOS51": "9",
            "iPhoneOS50": "8",
            "iPhoneOS43": "7",
            "iPhoneOS42": "6",
            "iPhoneOS41": "5",
            "iPhoneOS40": "4",
            "iPhoneOS32": "3",
            "iPhoneOS31": "2",
            "iPhoneOS30": "1",
        }
        return phone;
    }
function android() {
        var Android = {
            "Android7.0": "18",
            "Android6.0": "17",
            "Android5.1": "16",
            "Android5.0": "15",
            "Android4.4": "14",
            "Android4.3": "13",
            "Android4.2": "12",
            "Android4.1": "11",
            "Android4.0": "10",
            "Android3.2": "9",
            "Android3.1": "8",
            "Android3.0": "7",
            "Android2.3": "6",
            "Android2.2": "5",
            "Android2.1": "4",
            "Android2.0": "3",
            "Android1.6": "2",
            "Android1.5": "1",
        }
        return Android;
    }

exports.mobilePhone = function(ua){
    var phoneType = ua.match(/(iPhone\sOS)\s([\d_]+)/); 
    var androidType = ua.match(/(Android);?[\s\/]+([\d.]+)?/);  
    var ipadType = ua.match(/(iPad).*OS\s([\d_]+)/);


    var phone = ios();
    var Android = android();

    if (phoneType || ipadType) {//苹果手机
      terrace_type="ios";
      terrace =2;
      if (phoneType && !ipadType) {//iphone手机
        var ipe = phoneType[0].replace(/\s/ig,'')
        var b = ipe.replace(/\_/ig,"");
        if (phone[b]==undefined) {
          if(b.length == 11 || b.length==12){
            b = b.substring(0,b.length - 1);
          } 
        }; 
        return phone[b];
      }else{//为ipad平板
        var pad = ipadType[0].replace(/\s/ig,'')
        var padC = pad.replace(/\_/ig,"")
        var padTwo = padC.substring(8,padC.length);

        var padOne = "iPhone"+padTwo
        if(padOne.length == 11||padOne.length == 12){
          padOne = padOne.substring(0,padOne.length - 1);
        }
        return phone[padOne];
      }

    }else if(androidType){
      terrace_type="android";
      terrace =1; 
      var and = androidType[0].replace(/[\/]/ig,'');
      var andr = and.replace(/\s/ig,'');
      if(andr.length == 12){
        andr = andr.substring(0,andr.length - 2);
        return Android[andr]; 
      }else{
        return Android[andr]; 
      }
      if(andr.length == 8){//这里只有"android"
        return 18; 
      }
      //terrace_detail = Android[add];   
    }else if (!(phoneType && androidType && terrace)) {   //如果设备不是安卓，也不是ios，也不是pc，则报错；
      //errmsg.addErr("304","手机类型判断错误",site_id);
      console.log("手机类型判断错误");
      response.write("504");
      response.end();
      return;
    };
}