关于微信分享的一些心得之recommend.js(直接复制就行)

// import $ from 'jquery'
import Vue from 'vue'
export default function (type,title,con,img,url,) {
  //  这里面的参数，你想怎么改就怎么改（你自己也可以添加），类型，标题，内容，图片，地址

  var timestamp = '';
  var nonceStr = '';
  var signature = '';
  var jsapi_ticket = '';
  var string_1 = '';
  var loc =window.location.href;
  var bossloc=window.location.href
//因为要绑定推荐人的id也会一起传递过去，所以要帮推荐人的id给赋值为空，后台的接口里面在传推荐人的id用于记录，下面这一步就是赋值为空的操作
/*第一种情况当oldUserId为第一个参数的时候就是  ?oldUserId*/
if (bossloc.indexOf('?oldUserId')==-1){
    console.log(bossloc.split('&oldUserId=')[0])
    console.log( bossloc.split('&oldUserId=')[1])
    var num=bossloc.split('&oldUserId=')[1]

    console.log(bossloc.split('&oldUserId=')[0]+'&oldUserId='+num.slice(num.indexOf('&')))

    var bb=bossloc.split('&oldUserId=')[0]+'&oldUserId='+num.slice(num.indexOf('&'))
}else {
    console.log(bossloc.split('?oldUserId=')[0])
    console.log( bossloc.split('?oldUserId=')[1])
    var number=bossloc.split('?oldUserId=')[1]

    console.log(number.slice(number.indexOf('&')))


    console.log(bossloc.split('?oldUserId=')[0]+'?oldUserId='+number.slice(number.indexOf('&')))
    var bb=bossloc.split('?oldUserId=')[0]+'?oldUserId='+number.slice(number.indexOf('&'))

}

  //  其实这个不用slice也可以，这个将用于生成签名的参数

    /*这里有个坑就是就算你知道域名是多少，也不能将它写死，一定要动态获取，切记*/
  var location =loc.slice(0,loc.indexOf('#'))

  timestamp = getTimeStamp();
  nonceStr = getNonceStr();
  jsapi_ticket = getJsApi();
  //注意这个url
  string_1 = "jsapi_ticket="+jsapi_ticket+"&noncestr="+nonceStr+"&timestamp="+timestamp+"&url="+location;
  //生成签名
  signature = hex_sha1(string_1);

  //debug为true时，开启调试模式，这个用于检验签名等之类是否正确
  wx.config({
    debug: false, // 开启调试模式,调用的所有api的返回值会在客户端alert出来，若要查看传入的参数，可以在pc端打开，参数信息会通过log打出，仅在pc端时才会打印。
    appId: urlWay.appId, // 必填，公众号的唯一标识
    timestamp: timestamp, // 必填，生成签名的时间戳
    nonceStr: nonceStr, // 必填，生成签名的随机串
    signature: signature,// 必填，签名，见附录1
    jsApiList: ['onMenuShareTimeline','onMenuShareAppMessage','onMenuShareQQ','onMenuShareQZone'] // 必填，需要使用的JS接口列表，所有JS接口列表见附录2
  });

  wx.ready(function(){
    wx.checkJsApi({
      jsApiList: ['onMenuShareTimeline','onMenuShareAppMessage','onMenuShareQQ','onMenuShareQZone'], // 需要检测的JS接口列表，所有JS接口列表见附录2,
      success: function(res) {
        // 以键值对的形式返回，可用的api值true，不可用为false
        // 如：{"checkResult":{"chooseImage":true},"errMsg":"checkJsApi:ok"}
      }
    });
    var share_title = title;
    // var targetUrl = encodeURIComponent(url)


    //获取id，其实也可以通过参数传递过来
    let myid=sessionStorage.getItem('websocketUserId')
      //这个是base64位的加密，因为你重微信发送朋友圈或者发送朋友，他会在后面自己家参数，你分享出去后它还是有，就在哪个空的html中个干掉那个参数
      var Base64=function() {

          // private property
          let _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
          // public method for encoding
          return {
              encode:function (input) {
                  var output = "";
                  var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
                  var i = 0;
                  input = this._utf8_encode(input);
                  while (i < input.length) {
                      chr1 = input.charCodeAt(i++);
                      chr2 = input.charCodeAt(i++);
                      chr3 = input.charCodeAt(i++);
                      enc1 = chr1 >> 2;
                      enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
                      enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
                      enc4 = chr3 & 63;
                      if (isNaN(chr2)) {
                          enc3 = enc4 = 64;
                      } else if (isNaN(chr3)) {
                          enc4 = 64;
                      }
                      output = output +
                          _keyStr.charAt(enc1) + _keyStr.charAt(enc2) +
                          _keyStr.charAt(enc3) + _keyStr.charAt(enc4);
                  }
                  return output;
              },
              decode:function (input) {
                  var output = "";
                  var chr1, chr2, chr3;
                  var enc1, enc2, enc3, enc4;
                  var i = 0;
                  input = input.replace(/[^A-Za-z0-9+/=]/g, "");
                  while (i < input.length) {
                      enc1 = _keyStr.indexOf(input.charAt(i++));
                      enc2 = _keyStr.indexOf(input.charAt(i++));
                      enc3 = _keyStr.indexOf(input.charAt(i++));
                      enc4 = _keyStr.indexOf(input.charAt(i++));
                      chr1 = (enc1 << 2) | (enc2 >> 4);
                      chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
                      chr3 = ((enc3 & 3) << 6) | enc4;
                      output = output + String.fromCharCode(chr1);
                      if (enc3 != 64) {
                          output = output + String.fromCharCode(chr2);
                      }
                      if (enc4 != 64) {
                          output = output + String.fromCharCode(chr3);
                      }
                  }
                  output = this._utf8_decode(output);
                  return output;
              },
              _utf8_encode:function (string) {
                  string = string.replace(/ /g," ");
                  var utftext = "";
                  for (var n = 0; n < string.length; n++) {
                      var c = string.charCodeAt(n);
                      if (c < 128) {
                          utftext += String.fromCharCode(c);
                      } else if((c > 127) && (c < 2048)) {
                          utftext += String.fromCharCode((c >> 6) | 192);
                          utftext += String.fromCharCode((c & 63) | 128);
                      } else {
                          utftext += String.fromCharCode((c >> 12) | 224);
                          utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                          utftext += String.fromCharCode((c & 63) | 128);
                      }

                  }
                  return utftext;
              },
              _utf8_decode:function (utftext) {
                  var string = "";
                  var i = 0;
                  var c2 = 0;
                  var c1 = c2 ;
                  var c = c1 ;
                  while ( i < utftext.length ) {
                      c = utftext.charCodeAt(i);
                      if (c < 128) {
                          string += String.fromCharCode(c);
                          i++;
                      } else if((c > 191) && (c < 224)) {
                          c2 = utftext.charCodeAt(i+1);
                          string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
                          i += 2;
                      } else {
                          c2 = utftext.charCodeAt(i+1);
                          var c3 = utftext.charCodeAt(i+2);
                          string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
                          i += 3;
                      }
                  }
                  return string;
              }
          }
      }
      var b =  Base64();
      if (!myid){
          //这个是调龙龙的接口，绑定推荐人id和类型
          var linkto= b.encode(bb+'&oldId=&oldType=');
      }else {
          var linkto= b.encode(bb+'&oldId='+myid+'&oldType=2');
      }
       //这个就是最终分享出去的地址（应该是空html的地址加上它后台要取jumpUrl后面的真实跳转地址）
       var share_url=url+'?jumpUrl='+linkto;



      //这里没图片就用默认图片
      if (img){
          var share_img = img;
      }else {
          var share_img = 'http://morentupaian.png';
      }

      // switch (type){
      //   case '在线咨询':{
      //     share_img = urlWay.host+"images/zxzxmrtx.jpg";
      //     break;
    //   }
    //   case '医生主页':{
    //     share_img = urlWay.host+"images/zxzxmrtx.jpg";
    //     break;
    //   }
    //   case '在线咨询':{
    //     share_img = urlWay.host+"images/zxzxmrtx.jpg";
    //     break;
    //   }
    //   case '在线咨询':{
    //     share_img = urlWay.host+"images/zxzxmrtx.jpg";
    //     break;
    //   }
    //   case '在线咨询':{
    //     share_img = urlWay.host+"images/zxzxmrtx.jpg";
    //     break;
    //   }
    // }
      var desc = con;
/*******************************************
 * 后面的所有都可以不动了
 * **************************************************************/
      //下面几个不用动
      wx.onMenuShareTimeline({
      title: share_title, // 分享标题
      link: share_url, // 分享链接
      imgUrl: share_img,// 分享图标
      success: function () {
        Vue.Toast('分享成功！！');
      },
      cancel: function () {
      }
    });
    wx.onMenuShareAppMessage({
      title: share_title, // 分享标题
      desc: desc, // 分享描述
      link: share_url, // 分享链接
      imgUrl: share_img, // 分享图标
      type: '', // 分享类型,music、video或link，不填默认为link
      dataUrl: '', // 如果type是music或video，则要提供数据链接，默认为空
      success: function () {
        Vue.Toast('分享成功！！');
      },
      cancel: function () {
      }
    });
    wx.onMenuShareQQ({
      title: share_title, // 分享标题
      desc: desc, // 分享描述
      link: share_url, // 分享链接
      imgUrl: share_img, // 分享图标
      success: function () {
        Vue.Toast('分享成功！！');
      },
      cancel: function () {
      }
    });
    wx.onMenuShareQZone({
      title: share_title, // 分享标题
      desc: desc, // 分享描述
      link: share_url, // 分享链接
      imgUrl: share_img, // 分享图标
      success: function () {
        Vue.Toast('分享成功！！');
      },
      cancel: function () {
      }
    });
  });





}
function getTimeStamp(){
     var timestamp=new Date().getTime();
  var timestampstring = timestamp.toString();//一定要转换字符串
  return timestampstring;
}
function getNonceStr(){
  var $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
  var maxPos = $chars.length;
  var noceStr = "";
  for (var i = 0; i < 32; i++) {
      noceStr += $chars.charAt(Math.floor(Math.random() * maxPos));
  }
  return noceStr;
}
function getJsApi(){
    var jsApiTicket='';
    $.ajax({
        type : 'post',
        cache:false,
        async:false,
        url : urlWay.host+'wx/getJsApi.action',
        data : {
            action : "getJsApiTicket"
        },
        success : function(result) {

          // alert('getJsApi成功')
            jsApiTicket=result.jsApiTicket;
      //alert(jsApiTicket);
    },
    error :function (x) {
          //$('#pediatric_doctor_list').append(JSON.stringify(x));
    }
    });
    return jsApiTicket;
}
/*
 * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
 * in FIPS PUB 180-1
 * Version 2.1a Copyright Paul Johnston 2000 - 2002.
 * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
 * Distributed under the BSD License
 * See http://pajhome.org.uk/crypt/md5 for details.
 */

/*
 * Configurable variables. You may need to tweak these to be compatible with
 * the server-side, but the defaults work in most cases.
 */
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */

/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_sha1(s){return binb2hex(core_sha1(str2binb(s),s.length * chrsz));}
function b64_sha1(s){return binb2b64(core_sha1(str2binb(s),s.length * chrsz));}
function str_sha1(s){return binb2str(core_sha1(str2binb(s),s.length * chrsz));}
function hex_hmac_sha1(key, data){ return binb2hex(core_hmac_sha1(key, data));}
function b64_hmac_sha1(key, data){ return binb2b64(core_hmac_sha1(key, data));}
function str_hmac_sha1(key, data){ return binb2str(core_hmac_sha1(key, data));}

/*
 * Perform a simple self-test to see if the VM is working
 */
function sha1_vm_test()
{
  return hex_sha1("abc") == "a9993e364706816aba3e25717850c26c9cd0d89d";
}

/*
 * Calculate the SHA-1 of an array of big-endian words, and a bit length
 */
function core_sha1(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << (24 - len % 32);
  x[((len + 64 >> 9) << 4) + 15] = len;

  var w = Array(80);
  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;
  var e = -1009589776;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;
    var olde = e;

    for(var j = 0; j < 80; j++)
    {
      if(j < 16) w[j] = x[i + j];
      else w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1);
      var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)),
        safe_add(safe_add(e, w[j]), sha1_kt(j)));
      e = d;
      d = c;
      c = rol(b, 30);
      b = a;
      a = t;
    }

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
    e = safe_add(e, olde);
  }
  return Array(a, b, c, d, e);

}

/*
 * Perform the appropriate triplet combination function for the current
 * iteration
 */
function sha1_ft(t, b, c, d)
{
  if(t < 20) return (b & c) | ((~b) & d);
  if(t < 40) return b ^ c ^ d;
  if(t < 60) return (b & c) | (b & d) | (c & d);
  return b ^ c ^ d;
}

/*
 * Determine the appropriate additive constant for the current iteration
 */
function sha1_kt(t)
{
  return (t < 20) ?  1518500249 : (t < 40) ?  1859775393 :
      (t < 60) ? -1894007588 : -899497514;
}

/*
 * Calculate the HMAC-SHA1 of a key and some data
 */
function core_hmac_sha1(key, data)
{
  var bkey = str2binb(key);
  if(bkey.length > 16) bkey = core_sha1(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_sha1(ipad.concat(str2binb(data)), 512 + data.length * chrsz);
  return core_sha1(opad.concat(hash), 512 + 160);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

/*
 * Convert an 8-bit or 16-bit string to an array of big-endian words
 * In 8-bit function, characters >255 have their hi-byte silently ignored.
 */
function str2binb(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) << (32 - chrsz - i%32);
  return bin;
}

/*
 * Convert an array of big-endian words to a string
 */
function binb2str(bin)
{
  var str = "";
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < bin.length * 32; i += chrsz)
    str += String.fromCharCode((bin[i>>5] >>> (32 - chrsz - i%32)) & mask);
  return str;
}

/*
 * Convert an array of big-endian words to a hex string.
 */
function binb2hex(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] >> ((3 - i%4)*8+4)) & 0xF) +
      hex_tab.charAt((binarray[i>>2] >> ((3 - i%4)*8  )) & 0xF);
  }
  return str;
}

/*
 * Convert an array of big-endian words to a base-64 string
 */
function binb2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    var triplet = (((binarray[i   >> 2] >> 8 * (3 -  i   %4)) & 0xFF) << 16)
      | (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 )
      |  ((binarray[i+2 >> 2] >> 8 * (3 - (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;
}