微信支付相关js

import $ from "jquery"

/*支付功能开始*/
let ip="";
let nonceStr;
let appId;
let mchId;
let APISecret;
let userOpenId="";
let notifyUrl="";
let wx_url = urlWay.host;
let hex_chr = "0123456789abcdefghijklmnopqrstuvwxyz";
let _this_obj = '';

export default function (obj) {
  _this_obj = obj;

  return {
    paycall : paycall
  }
}
//openID
function getUserId() {
    $.ajax({
        url: wx_url + 'wx/getOpenId.action',
        cache:false,
        async:false,
        data:{action:"openId"},
        success:function(result) {
          userOpenId=result.openId;
          //alert(userOpenId + '1');
        },
        error: function (x) {
          //alert('1'+JSON.stringify(x));
        }
    });
    return userOpenId;
}
//获取openid结束   2015-7-18 17:06:56-----------------------------------------------------------------------------------------------------

function getTimeStamp(){
    let timestamp=new Date().getTime();
    let timestampstring = timestamp.toString();//一定要转换字符串
    return timestampstring;
}
//获取精确到毫秒的时间字符串-----------------------------------------------------------------------------------------------------------------

function getNonceStr(){
    let $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
    let maxPos = $chars.length;
    let noceStr = "";
    for (let i = 0; i < 32; i++) {
        noceStr += $chars.charAt(Math.floor(Math.random() * maxPos));
    }
    return noceStr;
}
//获取32位随机字符串-------------------------------------------------------------------------------------------------------------------------

function getRemoteIp() {
    let remoteIp="";
    $.ajax({
        url:wx_url+'wx/configManage.action', // 跳转到 action
        data:{action:"getRemoteIp"},
        cache:false,
        async:false,
        success:function(result) {
            remoteIp=result.ip;
            //alert(remoteIp+'2');
        },
        error:function(x, textStatus, errorThrown) {
          //alert('2'+JSON.stringify(x));
        }
    });
    return remoteIp;
}
//获取到ip地址-----------------------------------------------------------------------------------------------------------------------------

function getAppId() {
    let appId="";
    $.ajax({
        url:wx_url+'wx/configManage.action', // 跳转到 action
        data:{action:"getProperty", propertyName:"corpIdFamilyDoctor"},
        cache:false,
        async:false,
        success:function(result) {
            appId=result.propertyValue;
          //alert(appId+'3');
        },
        error:function(x, textStatus, errorThrown) {
          //alert("3"+JSON.stringify(x));
        }
    });
    return appId;
}
//获取到appid---------------------------------------------------------------------------------------------------------------------------------

function getMchId() {
    let mchId="";
    $.ajax({
        url:wx_url+'wx/configManage.action', // 跳转到 action
        data:{action:"getProperty", propertyName:"mchIdFamilyDoctor"},
        cache:false,
        async:false,
        success:function(result) {
            mchId=result.propertyValue;
          //alert(mchId+'4');        },        error:function(x, textStatus, errorThrown) {          //alert('4'+JSON.stringify(x));        }    });    return mchId;}//获取到微信支付的商户号-------------------------------------------------------------------------------------------------------------------------------function getAPISecret() {    let APISecret="";    $.ajax({        url:wx_url+'wx/configManage.action', // 跳转到 action        data:{action:"getProperty", propertyName:"corpSecretFamilyDoctor"},        cache:false,        async:false,        success:function(result) {            APISecret=result.propertyValue;          //alert(APISecret+'5');        },        error:function(x, textStatus, errorThrown) {          //alert('5'+JSON.stringify(x));        }    });    return APISecret;}//获取到微信支付应用密匙---------------------------------------------------------------------------------------------------------------------------------//下面开始获取notifyUrl------------------------------------------------------------------------------------------------------------------------------function getNotifyUrl(){    $.ajax({        type:'post',        url:wx_url+'wx/configManage.action',        data:{action:"getProperty", propertyName:"notify_url"},        cache:false,        async:false,        success:function(result){            notifyUrl=result.propertyValue;          //alert(notifyUrl+'6');        },        error: function (x) {          //alert('6'+JSON.stringify(x));        }    });    return notifyUrl;}//调用微信支付-----------------------------------------------------------------------------------------------------------------------------------------function paycall(orderDesc, orderNum, orderAmount) {    userOpenId=getUserId();    ip=getRemoteIp();    nonceStr=getNonceStr();    appId = getAppId();    mchId = getMchId();    APISecret = getAPISecret();    if (typeof WeixinJSBridge == "undefined"){        if( document.addEventListener ){            document.addEventListener('WeixinJSBridgeReady', onBridgeReady, false);        }else if (document.attachEvent){            document.attachEvent('WeixinJSBridgeReady', onBridgeReady);            document.attachEvent('onWeixinJSBridgeReady', onBridgeReady);        }    }else{        onBridgeReady(orderDesc, orderNum, orderAmount);    }}function onBridgeReady(orderDesc, orderNum, orderAmount){    let prepId = getPrePayId(orderDesc,orderNum,orderAmount);    let timeStr = getTimeStamp();    let nonStr = getNonceStr();    let signStringforPay="appId="+appId+"&nonceStr="+nonStr+"&package=prepay_id="+prepId+"&signType=MD5&timeStamp="+timeStr+"&key="+APISecret;    signStringforPay=MD5(signStringforPay);    signStringforPay=signStringforPay.toUpperCase();    appId=appId+"";    timeStr=timeStr+"";    nonStr=nonStr+"";    signStringforPay=signStringforPay+"";  // alert(signStringforPay);    WeixinJSBridge.invoke(        'getBrandWCPayRequest', {            "appId":appId,     //公众号名称，由商户传入            "timeStamp":timeStr,         //时间戳，自1970年以来的秒数            "nonceStr":nonStr, //随机串            "package":"prepay_id=" + prepId,            "signType":"MD5",         //微信签名方式:            "paySign":signStringforPay  //微信签名        },        function(res){          _this_obj.whetherToPay(res);        }    );}function getPrePayId(orderDesc,orderNum,orderAmount) {    let prepayId="";    let orderNumCopy=orderNum;    notifyUrl=getNotifyUrl();    let signString="appid="+ appId +"&body="+orderDesc+"&mch_id=" + mchId + "&nonce_str="+nonceStr+"&notify_url="+notifyUrl+"&openid="+userOpenId+"&out_trade_no="+orderNumCopy+"&spbill_create_ip="+ip+"&total_fee="+orderAmount+"&trade_type=JSAPI&key="+APISecret;    // alert("signString=="+signString);//测试    signString=MD5(signString);    signString=signString.toUpperCase();  //alert(signString);    $.ajax({        url:wx_url+'wx/getPrepayId.action', // 跳转到 action        data:{action:"getPrepayId",mchId:mchId,tradeNo:orderNum,remoteIp:ip,nonceStr:nonceStr,signStr:signString,userOpenId:userOpenId,body:orderDesc,totalFee:orderAmount},        cache:false,        async:false,        success:function(result) {            let resultXml=result.result;            prepayId= resultXml.substring(resultXml.indexOf("<prepay_id>")+20,resultXml.indexOf("</prepay_id>")-3);          //alert('1'+JSON.stringify(result));          //alert('2'+JSON.stringify(prepayId));        },        error:function(XMLHttpRequest, textStatus, errorThrown) {          //alert('7'+JSON.stringify(XMLHttpRequest));        }    });    return prepayId;}//加密function rhex(num) {  let str = "";  for (let j = 0; j <= 3; j++) {    str += hex_chr.charAt((num >> (j * 8 + 4)) & 15) + hex_chr.charAt((num >> (j * 8)) & 15);  }  return str;}function str2blks_MD5(str) {  let nblk = ((str.length + 8) >> 6) + 1;  let blks = new Array(nblk * 16);  for (let i = 0; i < nblk * 16; i++) {    blks[i] = 0;  }  let j;  for (j = 0; j < str.length; j++) {    blks[j >> 2] |= str.charCodeAt(j) << ((j % 4) * 8);  }  blks[j >> 2] |= 128 << ((j % 4) * 8);  blks[nblk * 16 - 2] = str.length * 8;  return blks;}function add(x, y) {  let lsw = (x & 65535) + (y & 65535);  let msw = (x >> 16) + (y >> 16) + (lsw >> 16);  return (msw << 16) | (lsw & 65535);}function rol(num, cnt) {  return (num << cnt) | (num >>> (32 - cnt));}function cmn(q, a, b, x, s, t) {  return add(rol(add(add(a, q), add(x, t)), s), b);}function ff(a, b, c, d, x, s, t) {  return cmn((b & c) | ((~b) & d), a, b, x, s, t);}function gg(a, b, c, d, x, s, t) {  return cmn((b & d) | (c & (~d)), a, b, x, s, t);}function hh(a, b, c, d, x, s, t) {  return cmn(b ^ c ^ d, a, b, x, s, t);}function ii(a, b, c, d, x, s, t) {  return cmn(c ^ (b | (~d)), a, b, x, s, t);}function MD5(str) {  let x = str2blks_MD5(str);  let a = 1732584193;  let b = -271733879;  let c = -1732584194;  let d = 271733878;  for (let i = 0; i < x.length; i += 16) {    let olda = a;    let oldb = b;    let oldc = c;    let oldd = d;    a = ff(a, b, c, d, x[i + 0], 7, -680876936);    d = ff(d, a, b, c, x[i + 1], 12, -389564586);    c = ff(c, d, a, b, x[i + 2], 17, 606105819);    b = ff(b, c, d, a, x[i + 3], 22, -1044525330);    a = ff(a, b, c, d, x[i + 4], 7, -176418897);    d = ff(d, a, b, c, x[i + 5], 12, 1200080426);    c = ff(c, d, a, b, x[i + 6], 17, -1473231341);    b = ff(b, c, d, a, x[i + 7], 22, -45705983);    a = ff(a, b, c, d, x[i + 8], 7, 1770035416);    d = ff(d, a, b, c, x[i + 9], 12, -1958414417);    c = ff(c, d, a, b, x[i + 10], 17, -42063);    b = ff(b, c, d, a, x[i + 11], 22, -1990404162);    a = ff(a, b, c, d, x[i + 12], 7, 1804603682);    d = ff(d, a, b, c, x[i + 13], 12, -40341101);    c = ff(c, d, a, b, x[i + 14], 17, -1502002290);    b = ff(b, c, d, a, x[i + 15], 22, 1236535329);    a = gg(a, b, c, d, x[i + 1], 5, -165796510);    d = gg(d, a, b, c, x[i + 6], 9, -1069501632);    c = gg(c, d, a, b, x[i + 11], 14, 643717713);    b = gg(b, c, d, a, x[i + 0], 20, -373897302);    a = gg(a, b, c, d, x[i + 5], 5, -701558691);    d = gg(d, a, b, c, x[i + 10], 9, 38016083);    c = gg(c, d, a, b, x[i + 15], 14, -660478335);    b = gg(b, c, d, a, x[i + 4], 20, -405537848);    a = gg(a, b, c, d, x[i + 9], 5, 568446438);    d = gg(d, a, b, c, x[i + 14], 9, -1019803690);    c = gg(c, d, a, b, x[i + 3], 14, -187363961);    b = gg(b, c, d, a, x[i + 8], 20, 1163531501);    a = gg(a, b, c, d, x[i + 13], 5, -1444681467);    d = gg(d, a, b, c, x[i + 2], 9, -51403784);    c = gg(c, d, a, b, x[i + 7], 14, 1735328473);    b = gg(b, c, d, a, x[i + 12], 20, -1926607734);    a = hh(a, b, c, d, x[i + 5], 4, -378558);    d = hh(d, a, b, c, x[i + 8], 11, -2022574463);    c = hh(c, d, a, b, x[i + 11], 16, 1839030562);    b = hh(b, c, d, a, x[i + 14], 23, -35309556);    a = hh(a, b, c, d, x[i + 1], 4, -1530992060);    d = hh(d, a, b, c, x[i + 4], 11, 1272893353);    c = hh(c, d, a, b, x[i + 7], 16, -155497632);    b = hh(b, c, d, a, x[i + 10], 23, -1094730640);    a = hh(a, b, c, d, x[i + 13], 4, 681279174);    d = hh(d, a, b, c, x[i + 0], 11, -358537222);    c = hh(c, d, a, b, x[i + 3], 16, -722521979);    b = hh(b, c, d, a, x[i + 6], 23, 76029189);    a = hh(a, b, c, d, x[i + 9], 4, -640364487);    d = hh(d, a, b, c, x[i + 12], 11, -421815835);    c = hh(c, d, a, b, x[i + 15], 16, 530742520);    b = hh(b, c, d, a, x[i + 2], 23, -995338651);    a = ii(a, b, c, d, x[i + 0], 6, -198630844);    d = ii(d, a, b, c, x[i + 7], 10, 1126891415);    c = ii(c, d, a, b, x[i + 14], 15, -1416354905);    b = ii(b, c, d, a, x[i + 5], 21, -57434055);    a = ii(a, b, c, d, x[i + 12], 6, 1700485571);    d = ii(d, a, b, c, x[i + 3], 10, -1894986606);    c = ii(c, d, a, b, x[i + 10], 15, -1051523);    b = ii(b, c, d, a, x[i + 1], 21, -2054922799);    a = ii(a, b, c, d, x[i + 8], 6, 1873313359);    d = ii(d, a, b, c, x[i + 15], 10, -30611744);    c = ii(c, d, a, b, x[i + 6], 15, -1560198380);    b = ii(b, c, d, a, x[i + 13], 21, 1309151649);    a = ii(a, b, c, d, x[i + 4], 6, -145523070);    d = ii(d, a, b, c, x[i + 11], 10, -1120210379);    c = ii(c, d, a, b, x[i + 2], 15, 718787259);    b = ii(b, c, d, a, x[i + 9], 21, -343485551);    a = add(a, olda);    b = add(b, oldb);    c = add(c, oldc);    d = add(d, oldd);  }  return rhex(a) + rhex(b) + rhex(c) + rhex(d);}