btn-status

@@ -21,7 +21,7 @@
         </li>
         <li class="company-area">
             <span class="title">发票抬头</span>
-            <input type="text" name="company" class="company" value="{{companyName}}" placeholder="填写单位名称" maxlength="30"></li>
+            <input type="text" name="company" class="company" value="{{companyName}}" placeholder="填写发票抬头" maxlength="30"></li>
         <li class="tax-number" {{#isCompany}}style="display: none;"{{/isCompany}}>
             <span class="title">税号</span>
             <input type="text" id="buyerTaxNumber" name="buyerTaxNumber" class="number" value="{{taxNumber}}" placeholder="请输入正确的纳税人识别号" maxlength="30">

@@ -16,12 +16,13 @@ let $invoiceNotice = $('.invoice-notice'),
     $tel = $('.tel'),
     $company = $('.company'),
     $copyTel = $('.copy-tel');
+let $confirmBtn = $('.confirm-btn');
+let $buyerTaxNumber = $('#buyerTaxNumber');
 
 let eInvoiceType = $('#eInvoices').data('id');
 let orderInfo = order.orderInfo;
 let linkUrl = document.referrer;
 let isModifyTel = false;
-let myreg = /^(((13[0-9]{1})|(14[0-9]{1})|(15[0-9]{1})|(17[0-9]{1})|(18[0-9]{1}))+\d{8})$/;
 let C_ID = window._ChannelVary[window.cookie('_Channel')] || 1;
 
 require('common');
@@ -39,6 +40,46 @@ function goToBack() {
     }
 }
 
+/**
+ * 切换确认按钮激活状态
+ */
+function switchBtnStatus() {
+    if ($('.invoice-top').find('.on').text() === '单位') {
+        if ($buyerTaxNumber.val() && $company.val() && $tel.val()) {
+            $confirmBtn.addClass('active');
+        } else {
+            $confirmBtn.removeClass('active');
+        }
+    } else {
+        if ($company.val() && $tel.attr('data-tel')) {
+            $confirmBtn.addClass('active');
+        } else {
+            $confirmBtn.removeClass('active');
+        }
+    }
+}
+
+/**
+ * 发票抬头输入监听
+ */
+$company.bind('input', function() {
+    switchBtnStatus();
+});
+
+/**
+ * 手机号输入监听
+ */
+$tel.bind('input', function() {
+    switchBtnStatus();
+});
+
+/**
+ * 税号输入监听
+ */
+$buyerTaxNumber.bind('input', function() {
+    switchBtnStatus();
+});
+
 // 单选效果
 function chooseAction(pDom, dom) {
     if (dom.hasClass('icon-cb-radio')) {
@@ -55,16 +96,12 @@ function chooseAction(pDom, dom) {
 // 确认表单事件
 function confirmAction() {
     let title = $('.invoice-top').find('.on').text(),
-        buyerTaxNumber = $('#buyerTaxNumber').val(),
+        buyerTaxNumber = $buyerTaxNumber.val(),
         tel = $tel.attr('data-tel'),
         company = $company.val();
 
     if ($editFlag.val() === 'true') {
-        if (!myreg.test($tel.attr('data-tel'))) {
-            tip.show('请输入正确手机号');
-            $tel.focus();
-            return false;
-        } else if (title === '单位' && company.length === 0) {
+        if (title === '单位' && company.length === 0) {
             tip.show('请填写发票抬头');
             $company.focus();
             return false;
@@ -122,6 +159,7 @@ $('.invoice-top span, .invoice-cont li').not('.invoice-cont .cont-title').on('to
     if ($(this).text() === '个人') {
         $taxNumber.slideUp();
     }
+    switchBtnStatus();
 });
 
 // 发票须知

@@ -145,7 +145,7 @@
             height: 70px;
             line-height: 70px;
             text-align: center;
-            background: #d0021b;
+            background: #b0b0b0;
             color: #fff;
             display: block;
             margin: 0 auto;
@@ -153,6 +153,10 @@
             font-size: 28px;
             margin-top: 70px;
         }
+
+        .active {
+            background: #444;
+        }
     }
 
     .invoice-notice {