EP-WachatApp/lib/util.js

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import {
base64_encode,
base64_decode
} from 'base64';
import md5 from 'md5';
var siteInfo = require('../siteinfo.js')
var util = {};
var app = getApp() || {siteInfo: siteInfo};
util.base64_encode = function(str) {
return base64_encode(str)
};
util.base64_decode = function(str) {
return base64_decode(str)
};
util.md5 = function(str) {
return md5(str)
};
/**
构造微擎地址,
@params action 微擎系统中的controller, action, do格式为 'wxapp/home/navs'
@params querystring 格式为 {参数名1 : 值1, 参数名2 : 值2}
*/
util.url = function(action, querystring) {
var url = app.siteInfo.siteroot + '?i=' + app.siteInfo.uniacid + '&t=' + app.siteInfo.multiid + '&v=' + app.siteInfo.version + '&from=wxapp&';
if (action) {
action = action.split('/');
if (action[0]) {
url += 'c=' + action[0] + '&';
}
if (action[1]) {
url += 'a=' + action[1] + '&';
}
if (action[2]) {
url += 'do=' + action[2] + '&';
}
}
if (querystring && typeof querystring === 'object') {
for (let param in querystring) {
if (param && querystring.hasOwnProperty(param) && querystring[param]) {
url += param + '=' + querystring[param] + '&';
}
}
}
return url;
}
function getQuery(url) {
var theRequest = [];
if (url.indexOf("?") != -1) {
var str = url.split('?')[1];
var strs = str.split("&");
for (var i = 0; i < strs.length; i++) {
if (strs[i].split("=")[0] && unescape(strs[i].split("=")[1])) {
theRequest[i] = {
'name': strs[i].split("=")[0],
'value': unescape(strs[i].split("=")[1])
}
}
}
}
return theRequest;
}
/*
* 获取链接某个参数
* url 链接地址
* name 参数名称
*/
function getUrlParam(url, name) {
var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)"); //构造一个含有目标参数的正则表达式对象
var r = url.split('?')[1].match(reg); //匹配目标参数
if (r != null) return unescape(r[2]);
return null; //返回参数值
}
/**
* 获取签名 将链接地址的所有参数按字母排序后拼接加上token进行md5
* url 链接地址
* date 参数{参数名1 : 值1, 参数名2 : 值2} *
* token 签名token 非必须
*/
function getSign(url, data, token) {
var _ = require('underscore.js');
var md5 = require('md5.js');
var querystring = '';
var sign = getUrlParam(url, 'sign');
if (sign || (data && data.sign)) {
return false;
} else {
if (url) {
querystring = getQuery(url);
}
if (data) {
var theRequest = [];
for (let param in data) {
if (param && data[param]) {
theRequest = theRequest.concat({
'name': param,
'value': data[param]
})
}
}
querystring = querystring.concat(theRequest);
}
//排序
querystring = _.sortBy(querystring, 'name');
//去重
querystring = _.uniq(querystring, true, 'name');
var urlData = '';
for (let i = 0; i < querystring.length; i++) {
if (querystring[i] && querystring[i].name && querystring[i].value) {
urlData += querystring[i].name + '=' + querystring[i].value;
if (i < (querystring.length - 1)) {
urlData += '&';
}
}
}
token = token ? token : app.siteInfo.token;
sign = md5(urlData + token);
return sign;
}
}
util.getSign = function(url, data, token) {
return getSign(url, data, token);
};
/**
二次封装微信wx.request函数、增加交互体全、配置缓存、以及配合微擎格式化返回数据
@params option 弹出参数表,
{
url : 同微信,
data : 同微信,
header : 同微信,
method : 同微信,
success : 同微信,
fail : 同微信,
complete : 同微信,
cachetime : 缓存周期在此周期内不重复请求http默认不缓存
}
*/
util.request = function(option) {
var _ = require('underscore.js');
var md5 = require('md5.js');
var option = option ? option : {};
option.cachetime = option.cachetime ? option.cachetime : 0;
option.showLoading = typeof option.showLoading != 'undefined' ? option.showLoading : true;
var sessionid = wx.getStorageSync('userInfo').sessionid;
var url = option.url;
if (url.indexOf('http://') == -1 && url.indexOf('https://') == -1) {
url = util.url(url);
}
var state = getUrlParam(url, 'state');
if (!state && !(option.data && option.data.state) && sessionid) {
url = url + '&state=we7sid-' + sessionid
}
if (!option.data || !option.data.m) {
var nowPage = getCurrentPages();
if (nowPage.length) {
nowPage = nowPage[getCurrentPages().length - 1];
if (nowPage && nowPage.__route__) {
url = url + '&m=' + nowPage.__route__.split('/')[0];
}
}
}
var sign = getSign(url, option.data);
if (sign) {
url = url + "&sign=" + sign;
}
if (!url) {
return false;
}
//wx.showNavigationBarLoading();
if (option.showLoading) {
//util.showLoading();
}
if (option.cachetime) {
var cachekey = md5(url);
var cachedata = wx.getStorageSync(cachekey);
var timestamp = Date.parse(new Date());
if (cachedata && cachedata.data) {
if (cachedata.expire > timestamp) {
if (option.complete && typeof option.complete == 'function') {
option.complete(cachedata);
}
if (option.success && typeof option.success == 'function') {
option.success(cachedata);
}
console.log('cache:' + url);
// wx.hideLoading();
//wx.hideNavigationBarLoading();
return true;
} else {
wx.removeStorageSync(cachekey)
}
}
}
wx.request({
'url': url,
'data': option.data ? option.data : {},
'header': option.header ? option.header : {},
'method': option.method ? option.method : 'GET',
'header': {
'content-type': 'application/x-www-form-urlencoded'
},
'success': function(response) {
//wx.hideNavigationBarLoading();
//wx.hideLoading();
if (response.data.errno) {
if (response.data.errno == '41009') {
wx.setStorageSync('userInfo', '');
util.getUserInfo(function() {
util.request(option)
});
return;
} else {
if (option.fail && typeof option.fail == 'function') {
option.fail(response);
} else {
if (response.data.message) {
if (response.data.data != null && response.data.data.redirect) {
var redirect = response.data.data.redirect;
} else {
var redirect = '';
}
app.util.message(response.data.message, redirect, 'error');
}
}
return;
}
} else {
if (option.success && typeof option.success == 'function') {
option.success(response);
}
//写入缓存减少HTTP请求并且如果网络异常可以读取缓存数据
if (option.cachetime) {
var cachedata = {
'data': response.data,
'expire': timestamp + option.cachetime * 1000
};
wx.setStorageSync(cachekey, cachedata);
}
}
},
'fail': function(response) {
wx.hideNavigationBarLoading();
wx.hideLoading();
//如果请求失败,尝试从缓存中读取数据
var md5 = require('md5.js');
var cachekey = md5(url);
var cachedata = wx.getStorageSync(cachekey);
if (cachedata && cachedata.data) {
if (option.success && typeof option.success == 'function') {
option.success(cachedata);
}
console.log('failreadcache:' + url);
return true;
} else {
if (option.fail && typeof option.fail == 'function') {
option.fail(response);
}
}
},
'complete': function(response) {
// wx.hideNavigationBarLoading();
// wx.hideLoading();
if (option.complete && typeof option.complete == 'function') {
option.complete(response);
}
}
});
}
/*
* 获取用户信息
*/
util.getUserInfo = function(cb) {
var login = function() {
console.log('start login');
var userInfo = {
'sessionid': '',
'wxInfo': '',
'memberInfo': '',
};
wx.login({
success: function(res) {
util.request({
url: 'auth/session/openid',
data: {
code: res.code
},
cachetime: 0,
success: function(session) {
if (!session.data.errno) {
userInfo.sessionid = session.data.data.sessionid
wx.setStorageSync('userInfo', userInfo);
wx.getUserInfo({
success: function(wxInfo) {
userInfo.wxInfo = wxInfo.userInfo
wx.setStorageSync('userInfo', userInfo);
util.request({
url: 'auth/session/userinfo',
data: {
signature: wxInfo.signature,
rawData: wxInfo.rawData,
iv: wxInfo.iv,
encryptedData: wxInfo.encryptedData
},
method: 'POST',
header: {
'content-type': 'application/x-www-form-urlencoded'
},
cachetime: 0,
success: function(res) {
if (!res.data.errno) {
userInfo.memberInfo = res.data.data;
wx.setStorageSync('userInfo', userInfo);
}
typeof cb == "function" && cb(userInfo);
}
});
},
fail: function() {
typeof cb == "function" && cb(userInfo);
},
complete: function() {}
})
}
}
});
},
fail: function() {
wx.showModal({
title: '获取信息失败',
content: '请允许授权以便为您提供给服务',
success: function(res) {
if (res.confirm) {
util.getUserInfo();
}
}
})
}
});
};
var app = wx.getStorageSync('userInfo');
if (app.sessionid) {
wx.checkSession({
success: function() {
typeof cb == "function" && cb(app);
},
fail: function() {
app.sessionid = '';
console.log('relogin');
wx.removeStorageSync('userInfo');
login();
}
})
} else {
//调用登录接口
login();
}
}
util.navigateBack = function(obj) {
let delta = obj.delta ? obj.delta : 1;
if (obj.data) {
let pages = getCurrentPages()
let curPage = pages[pages.length - (delta + 1)];
if (curPage.pageForResult) {
curPage.pageForResult(obj.data);
} else {
curPage.setData(obj.data);
}
}
wx.navigateBack({
delta: delta, // 回退前 delta(默认为1) 页面
success: function(res) {
// success
typeof obj.success == "function" && obj.success(res);
},
fail: function(err) {
// fail
typeof obj.fail == "function" && obj.fail(err);
},
complete: function() {
// complete
typeof obj.complete == "function" && obj.complete();
}
})
};
util.footer = function($this) {
let that = $this;
let tabBar = app.tabBar;
for (let i in tabBar['list']) {
tabBar['list'][i]['pageUrl'] = tabBar['list'][i]['pagePath'].replace(/(\?|#)[^"]*/g, '')
}
that.setData({
tabBar: tabBar,
'tabBar.thisurl': that.__route__
})
};
/*
* 提示信息
* type 为 success, error 当为 success, 时为toast方式否则为模态框的方式
* redirect 为提示后的跳转地址, 跳转的时候可以加上 协议名称
* navigate:/we7/pages/detail/detail 以 navigateTo 的方法跳转,
* redirect:/we7/pages/detail/detail 以 redirectTo 的方式跳转,默认为 redirect
*/
util.message = function (title, redirect, type, confirmText="确定") {
if (!title) {
return true;
}
if (typeof title == 'object') {
redirect = title.redirect;
type = title.type;
title = title.title;
}
if (redirect) {
var redirectType = redirect.substring(0, 9),
url = '',
redirectFunction = '';
if (redirectType == 'navigate:') {
redirectFunction = 'navigateTo';
url = redirect.substring(9);
} else if (redirectType == 'redirect:') {
redirectFunction = 'redirectTo';
url = redirect.substring(9);
} else if (redirectType == 'switchTo:') {
redirectFunction = 'switchTab';
url = redirect.substring(9);
} else {
url = redirect;
redirectFunction = 'redirectTo';
}
}
if (!type) {
type = 'success';
}
if (type == 'success') {
wx.showToast({
title: title,
icon: 'success',
duration: 2000,
mask: url ? true : false,
complete: function() {
if (url) {
setTimeout(function() {
wx[redirectFunction]({
url: url,
});
}, 1800);
}
}
});
} else if (type == 'error') {
wx.showModal({
title: '提示',
content: title,
showCancel: false,
confirmColor: '#ff5041',
confirmText,
complete: function() {
if (url) {
wx[redirectFunction]({
url: url,
});
}
}
});
}
}
util.navTo = function (redirect){
if (redirect) {
var redirectType = redirect.substring(0, 9),
url = '',
redirectFunction = '';
if (redirectType == 'navigate:') {
redirectFunction = 'navigateTo';
url = redirect.substring(9);
} else if (redirectType == 'redirect:') {
redirectFunction = 'redirectTo';
url = redirect.substring(9);
} else if (redirectType == 'switchTo:') {
redirectFunction = 'switchTab';
url = redirect.substring(9);
} else {
url = redirect;
redirectFunction = 'redirectTo';
}
url && wx[redirectFunction]({ url });
}
}
util.user = util.getUserInfo;
//封装微信等待提示防止ajax过多时show多次
util.showLoading = function() {
var isShowLoading = wx.getStorageSync('isShowLoading');
if (isShowLoading) {
wx.hideLoading();
wx.setStorageSync('isShowLoading', false);
}
wx.showLoading({
title: '加载中',
complete: function() {
wx.setStorageSync('isShowLoading', true);
},
fail: function() {
wx.setStorageSync('isShowLoading', false);
}
});
}
util.showImage = function(event) {
var url = event ? event.currentTarget.dataset.preview : '';
if (!url) {
return false;
}
wx.previewImage({
urls: [url]
});
}
/**
* 转换内容中的emoji表情为 unicode 码点在Php中使用utf8_bytes来转换输出
*/
util.parseContent = function(string) {
if (!string) {
return string;
}
var ranges = [
'\ud83c[\udf00-\udfff]', // U+1F300 to U+1F3FF
'\ud83d[\udc00-\ude4f]', // U+1F400 to U+1F64F
'\ud83d[\ude80-\udeff]' // U+1F680 to U+1F6FF
];
var emoji = string.match(
new RegExp(ranges.join('|'), 'g'));
if (emoji) {
for (var i in emoji) {
string = string.replace(emoji[i], '[U+' + emoji[i].codePointAt(0).toString(16).toUpperCase() + ']');
}
}
return string;
}
util.date = function() {
/**
* 判断闰年
* @param date Date日期对象
* @return boolean true 或false
*/
this.isLeapYear = function(date) {
return (0 == date.getYear() % 4 && ((date.getYear() % 100 != 0) || (date.getYear() % 400 == 0)));
}
/**
* 日期对象转换为指定格式的字符串
* @param f 日期格式,格式定义如下 yyyy-MM-dd HH:mm:ss
* @param date Date日期对象, 如果缺省,则为当前时间
*
* YYYY/yyyy/YY/yy 表示年份
* MM/M 月份
* W/w 星期
* dd/DD/d/D 日期
* hh/HH/h/H 时间
* mm/m 分钟
* ss/SS/s/S 秒
* @return string 指定格式的时间字符串
*/
this.dateToStr = function(formatStr, date) {
formatStr = arguments[0] || "yyyy-MM-dd HH:mm:ss";
date = arguments[1] || new Date();
var str = formatStr;
var Week = ['日', '一', '二', '三', '四', '五', '六'];
str = str.replace(/yyyy|YYYY/, date.getFullYear());
str = str.replace(/yy|YY/, (date.getYear() % 100) > 9 ? (date.getYear() % 100).toString() : '0' + (date.getYear() % 100));
str = str.replace(/MM/, date.getMonth() > 9 ? (date.getMonth() + 1) : '0' + (date.getMonth() + 1));
str = str.replace(/M/g, date.getMonth());
str = str.replace(/w|W/g, Week[date.getDay()]);
str = str.replace(/dd|DD/, date.getDate() > 9 ? date.getDate().toString() : '0' + date.getDate());
str = str.replace(/d|D/g, date.getDate());
str = str.replace(/hh|HH/, date.getHours() > 9 ? date.getHours().toString() : '0' + date.getHours());
str = str.replace(/h|H/g, date.getHours());
str = str.replace(/mm/, date.getMinutes() > 9 ? date.getMinutes().toString() : '0' + date.getMinutes());
str = str.replace(/m/g, date.getMinutes());
str = str.replace(/ss|SS/, date.getSeconds() > 9 ? date.getSeconds().toString() : '0' + date.getSeconds());
str = str.replace(/s|S/g, date.getSeconds());
return str;
}
/**
* 日期计算
* @param strInterval string 可选值 y 年 m月 d日 w星期 ww周 h时 n分 s秒
* @param num int
* @param date Date 日期对象
* @return Date 返回日期对象
*/
this.dateAdd = function(strInterval, num, date) {
date = arguments[2] || new Date();
switch (strInterval) {
case 's':
return new Date(date.getTime() + (1000 * num));
case 'n':
return new Date(date.getTime() + (60000 * num));
case 'h':
return new Date(date.getTime() + (3600000 * num));
case 'd':
return new Date(date.getTime() + (86400000 * num));
case 'w':
return new Date(date.getTime() + ((86400000 * 7) * num));
case 'm':
return new Date(date.getFullYear(), (date.getMonth()) + num, date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds());
case 'y':
return new Date((date.getFullYear() + num), date.getMonth(), date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds());
}
}
/**
* 比较日期差 dtEnd 格式为日期型或者有效日期格式字符串
* @param strInterval string 可选值 y 年 m月 d日 w星期 ww周 h时 n分 s秒
* @param dtStart Date 可选值 y 年 m月 d日 w星期 ww周 h时 n分 s秒
* @param dtEnd Date 可选值 y 年 m月 d日 w星期 ww周 h时 n分 s秒
*/
this.dateDiff = function(strInterval, dtStart, dtEnd) {
switch (strInterval) {
case 's':
return parseInt((dtEnd - dtStart) / 1000);
case 'n':
return parseInt((dtEnd - dtStart) / 60000);
case 'h':
return parseInt((dtEnd - dtStart) / 3600000);
case 'd':
return parseInt((dtEnd - dtStart) / 86400000);
case 'w':
return parseInt((dtEnd - dtStart) / (86400000 * 7));
case 'm':
return (dtEnd.getMonth() + 1) + ((dtEnd.getFullYear() - dtStart.getFullYear()) * 12) - (dtStart.getMonth() + 1);
case 'y':
return dtEnd.getFullYear() - dtStart.getFullYear();
}
}
/**
* 字符串转换为日期对象 // eval 不可用
* @param date Date 格式为yyyy-MM-dd HH:mm:ss必须按年月日时分秒的顺序中间分隔符不限制
*/
this.strToDate = function(dateStr) {
var data = dateStr;
var reCat = /(\d{1,4})/gm;
var t = data.match(reCat);
t[1] = t[1] - 1;
eval('var d = new Date(' + t.join(',') + ');');
return d;
}
/**
* 把指定格式的字符串转换为日期对象yyyy-MM-dd HH:mm:ss
*
*/
this.strFormatToDate = function(formatStr, dateStr) {
var year = 0;
var start = -1;
var len = dateStr.length;
if ((start = formatStr.indexOf('yyyy')) > -1 && start < len) {
year = dateStr.substr(start, 4);
}
var month = 0;
if ((start = formatStr.indexOf('MM')) > -1 && start < len) {
month = parseInt(dateStr.substr(start, 2)) - 1;
}
var day = 0;
if ((start = formatStr.indexOf('dd')) > -1 && start < len) {
day = parseInt(dateStr.substr(start, 2));
}
var hour = 0;
if (((start = formatStr.indexOf('HH')) > -1 || (start = formatStr.indexOf('hh')) > 1) && start < len) {
hour = parseInt(dateStr.substr(start, 2));
}
var minute = 0;
if ((start = formatStr.indexOf('mm')) > -1 && start < len) {
minute = dateStr.substr(start, 2);
}
var second = 0;
if ((start = formatStr.indexOf('ss')) > -1 && start < len) {
second = dateStr.substr(start, 2);
}
return new Date(year, month, day, hour, minute, second);
}
/**
* 日期对象转换为毫秒数
*/
this.dateToLong = function(date) {
return date.getTime();
}
/**
* 毫秒转换为日期对象
* @param dateVal number 日期的毫秒数
*/
this.longToDate = function(dateVal) {
return new Date(dateVal);
}
/**
* 判断字符串是否为日期格式
* @param str string 字符串
* @param formatStr string 日期格式, 如下 yyyy-MM-dd
*/
this.isDate = function(str, formatStr) {
if (formatStr == null) {
formatStr = "yyyyMMdd";
}
var yIndex = formatStr.indexOf("yyyy");
if (yIndex == -1) {
return false;
}
var year = str.substring(yIndex, yIndex + 4);
var mIndex = formatStr.indexOf("MM");
if (mIndex == -1) {
return false;
}
var month = str.substring(mIndex, mIndex + 2);
var dIndex = formatStr.indexOf("dd");
if (dIndex == -1) {
return false;
}
var day = str.substring(dIndex, dIndex + 2);
if (!isNumber(year) || year > "2100" || year < "1900") {
return false;
}
if (!isNumber(month) || month > "12" || month < "01") {
return false;
}
if (day > getMaxDay(year, month) || day < "01") {
return false;
}
return true;
}
this.getMaxDay = function(year, month) {
if (month == 4 || month == 6 || month == 9 || month == 11)
return "30";
if (month == 2)
if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0)
return "29";
else
return "28";
return "31";
}
/**
* 变量是否为数字
*/
this.isNumber = function(str) {
var regExp = /^\d+$/g;
return regExp.test(str);
}
/**
* 把日期分割成数组 [年、月、日、时、分、秒]
*/
this.toArray = function(myDate) {
myDate = arguments[0] || new Date();
var myArray = Array();
myArray[0] = myDate.getFullYear();
myArray[1] = myDate.getMonth();
myArray[2] = myDate.getDate();
myArray[3] = myDate.getHours();
myArray[4] = myDate.getMinutes();
myArray[5] = myDate.getSeconds();
return myArray;
}
/**
* 取得日期数据信息
* 参数 interval 表示数据类型
* y 年 M月 d日 w星期 ww周 h时 n分 s秒
*/
this.datePart = function(interval, myDate) {
myDate = arguments[1] || new Date();
var partStr = '';
var Week = ['日', '一', '二', '三', '四', '五', '六'];
switch (interval) {
case 'y':
partStr = myDate.getFullYear();
break;
case 'M':
partStr = myDate.getMonth() + 1;
break;
case 'd':
partStr = myDate.getDate();
break;
case 'w':
partStr = Week[myDate.getDay()];
break;
case 'ww':
partStr = myDate.WeekNumOfYear();
break;
case 'h':
partStr = myDate.getHours();
break;
case 'm':
partStr = myDate.getMinutes();
break;
case 's':
partStr = myDate.getSeconds();
break;
}
return partStr;
}
/**
* 取得当前日期所在月的最大天数
*/
this.maxDayOfDate = function(date) {
date = arguments[0] || new Date();
date.setDate(1);
date.setMonth(date.getMonth() + 1);
var time = date.getTime() - 24 * 60 * 60 * 1000;
var newDate = new Date(time);
return newDate.getDate();
}
};
util.getLightColor = function(color, level) {
color = color ? color.toUpperCase() : color;
var r = /^\#?[0-9A-F]{6}$/;
if (!r.test(color)) return color;
color = color.replace("#", "");
var hxs = color.match(/../g);
for (var i = 0; i < 3; i++) {
var col = parseInt(hxs[i], 16);
hxs[i] = Math.floor((255 - col) * level + col);
}
return `rgb(${hxs[0]}, ${hxs[1]}, ${hxs[2]})`;
}
util.ProReq = function(controller, params) {
return new Promise((resolve, reject)=>{
util.request({
url: 'entry/wxapp/index',
data: {
controller,
...params
},
dataType: 'json',
success: function (res) {
wx.hideLoading();
if (res.data.code == 0) {
resolve(res.data)
} else {
reject(res.data)
}
},
fail: err=>{
console.log(err)
}
})
})
}
module.exports = util;