优化优惠码

@@ -59,12 +59,27 @@ $this->title = $this->params['main_title'].'-'.$this->params['sub_title'];
             $('#pushlog').text('开始监听推送记录').attr('onclick','getPushlog('+default_interval+')');
         }
     }
+    //预览优惠券元素
+    function preview() {
+        var code = $("input[name=code]").val();
+        var banner_txt = $("textarea[name=banner_txt]").val();
+        var find = /#code#/g;
+        var replace = "<b class='coupon-code'>["+code+"]</b>";
+        banner_txt = banner_txt.replace(find,replace);
+
+        var help_title = $("input[name=help_title]").val();
+            help_txt = $("textarea[name=help_txt]").val();
+        help_title = "<h4>"+help_title+"</h4>";
+        $("#coupon_preview").html(banner_txt+help_title+help_txt);
+    }
     <?php
     $this->endBlock();
     $this->registerJs($this->blocks['javascript'],View::POS_END)
     ?>
 </script>
-
+<style>
+    .coupon-code {color: #fcc800}
+</style>
 <div class="row">
     <div class="col-md-6">
         <form id="form" method="POST" action="">
@@ -102,7 +117,8 @@ $this->title = $this->params['main_title'].'-'.$this->params['sub_title'];
                     <div class="row">
                         <div class="col-sm-9 col-sm-offset-3">
                             <button class="btn btn-primary mr5">保存</button>
-                            <a href="<?=$_refer?>" class="btn btn-dark">取消</a>
+                            <a href="<?=$_refer?>" class="btn btn-dark mr5">取消</a>
+                            <a class="btn btn-dark" onclick="preview()">预览</a>
                         </div>
                     </div>
                 </div><!-- panel-footer -->
@@ -110,6 +126,19 @@ $this->title = $this->params['main_title'].'-'.$this->params['sub_title'];
         </form>
 
     </div>
+    <div class="col-md-6">
+        <p>Notice：优惠码替换占位符用<code>#code#</code>，换行符用<code>&lt;br/&gt;</code></p>
+        <div class="panel panel-default">
+            <div class="panel-heading">
+                <h4>预览</h4>
+            </div>
+            <div class="panel-body">
+                <div id="coupon_preview">
+
+                </div>
+            </div>
+        </div>
+    </div>
 </div>
 
 <div class="form-group">