yshop1.6.3新增微信退款及其模板消息,后台新增支付证书配置，修复手机端管理端拒绝退款bug

src/views/wechat/config/pay.vue

@@ -10,13 +10,14 @@
       <el-form-item label="商户密钥" >
         <el-input v-model="form.wxpay_mchKey" style="width: 370px;" type="password" />
       </el-form-item>
+      <el-form-item label="微信证书" >
+        <file-upload v-model="form.wxpay_keyPath" style="width: 500px;"/>
+      </el-form-item>
       <el-form-item label="" >
         <el-button  type="primary" @click="doSubmit">提交</el-button>
       </el-form-item>
 
     </el-form>
-
-
   </div>
 </template>
 
@@ -25,10 +26,10 @@ import checkPermission from '@/utils/permission'
 import initData from '@/mixins/initData'
 import { del, add, get } from '@/api/yxSystemConfig'
 import eForm from './form'
-import picUpload from '@/components/pic-upload'
+import fileUpload from '@/components/file-upload'
 import { Message } from 'element-ui'
 export default {
-  components: { eForm, picUpload },
+  components: { eForm, fileUpload },
   mixins: [initData],
   data() {
     return {
@@ -36,7 +37,8 @@ export default {
       form: {
         wxpay_appId: '',
         wxpay_mchId: '',
-        wxpay_mchKey: ''
+        wxpay_mchKey: '',
+        wxpay_keyPath: ''
       },
       rules: {
       }