小程序常用封装

// 检查是否为手机号function isPhone(t) {  return null != t.match(/^1[0-9]{10}$/);}// 检查是否为邮箱function isEmail(t) {  var n = /^[-a-z0-9~!$%^&*_=+}{\'?]+(\.[-a-z0-9~!$%^&*_=+}{\'?]+)*@([a-z0-9_][-a-z0-9_]*(\.[-a-z0-9_]+)*\.(aero|arpa|biz|com|coop|edu|gov|info|int|mil|museum|name|net|org|pro|travel|mobi|[a-z][a-z])|([0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}))(:[0-9]{1,5})?$/i;  return null != t.match(n);}// 检查是否为身份证function isIdcard(t) {  var n = /^[1-9]\d{7}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}$|^[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}([0-9]|X)$/;  return n.test(t)}// 检查是否为中文名字function isName(t) {  var n = /^[\u4E00-\u9FA5]{2,4}$/;  return n.test(t)}// 检查是否为纯数字function isNum(t) {  return (/^[0-9]+$/.test(t))}// 去除中文function removeChinese(t) {  var n = /\([^\)]*\)/g;  return t.replace(n, "");}// 去除所有空格function removeAllBlank(t) {  return t.replace(/\s*/g, "");}//数据为空检测function isEmpty(t) {  return void 0 === t || null === t || "" === t || "" === t.trim();}//数组存在某值检测function inArray(t, n) {  for (var e = 0; e    if (t == n[e]) return !0;  return !1;}// 将数组均分function splitArray(arr, len) {  let arr_length = arr.length;  let newArr = [];  for (let i = 0; i    newArr.push(arr.slice(i, i + len));  }  return newArr;}// Toast提示function showToast(title, icon, duration) {  wx.showToast({    title: title || '网络开小差了...',    icon: icon || 'none',    duration: duration || 1000  })}//新页面跳转function jumpPage(url, isRedirect) {  if (isRedirect) {    wx.redirectTo({      url: url    })  } else {    wx.navigateTo({      url: url    });  }}//加减乘除封装function counter(a, b, c) {  switch (c) {    case 'add':      var r1, r2, m;      try {        r1 = a.toString().split(".")[1].length;      } catch (e) {        r1 = 0;      }      try {        r2 = b.toString().split(".")[1].length;      } catch (e) {        r2 = 0;      }      m = Math.pow(10, Math.max(r1, r2));      return (a * m + b * m) / m;      break;    case 'sub':      var r1, r2, m, n;      try {        r1 = a.toString().split(".")[1].length;      } catch (e) {        r1 = 0;      }      try {        r2 = b.toString().split(".")[1].length;      } catch (e) {        r2 = 0;      }      m = Math.pow(10, Math.max(r1, r2));      n = (r1 >= r2) ? r1 : r2;      return ((a * m - b * m) / m).toFixed(n);      break;    case 'mul':      var m = 0,        s1 = a.toString(),        s2 = b.toString();      try {        m += s1.split(".")[1].length;      } catch (e) {}      try {        m += s2.split(".")[1].length;      } catch (e) {}      return Number(s1.replace(".", "")) * Number(s2.replace(".", "")) / Math.pow(10, m);      break;    case 'div':      var t1 = 0,        t2 = 0,        r1, r2;      try {        t1 = a.toString().split(".")[1].length;      } catch (e) {}      try {        t2 = b.toString().split(".")[1].length;      } catch (e) {}      r1 = Number(a.toString().replace(".", ""));      r2 = Number(b.toString().replace(".", ""));      return (r1 / r2) * Math.pow(10, t2 - t1);      break;  }}module.exports = {  isPhone: isPhone,  isEmail: isEmail,  isIdcard:isIdcard,  isName: isName,  isNum: isNum,  removeChinese: removeChinese,  removeAllBlank: removeAllBlank,  isEmpty: isEmpty,  inArray: inArray,  splitArray: splitArray,  showToast: showToast,  jumpPage: jumpPage,  counter: counter， }