修改

src/components/course/class-form.vue

@@ -110,17 +110,30 @@
         </div>
         <div class="row wrap">
           <div class="col-6">
-            <q-field filled class="q-pr-lg">
-                 <template v-slot:control>
-                    <el-date-picker
-                      type="dates"
-                      style="width:100%"
-                      v-model="objOption.ClassDateList"
-                      value-format="yyyy-MM-dd"
-                      placeholder="开班时间">
-                    </el-date-picker>
-                  </template>
-              </q-field>
+            <template v-if="saveObj.ClassId>0">
+              <q-input filled v-model="objOption.OpenTime" class="col-6 q-pr-lg q-pb-lg" mask="date" label="开始报名时间">
+                <template v-slot:append>
+                  <q-icon name="event" class="cursor-pointer">
+                    <q-popup-proxy ref="qDateProxy1" transition-show="scale" transition-hide="scale">
+                      <q-date v-model="objOption.OpenTime" @input="() => $refs.qDateProxy1.hide()" />
+                    </q-popup-proxy>
+                  </q-icon>
+                </template>
+              </q-input>
+            </template>
+            <template v-else>
+              <q-field filled class="q-pr-lg">
+                   <template v-slot:control>
+                      <el-date-picker
+                        type="dates"
+                        style="width:100%"
+                        v-model="objOption.ClassDateList"
+                        value-format="yyyy-MM-dd"
+                        placeholder="开班时间">
+                      </el-date-picker>
+                    </template>
+                </q-field>
+            </template>
           </div>
           <div class="col-6">
             <q-input filled v-model="objOption.EndOrderTime" class="col-6 q-pr-lg q-pb-lg" mask="date" label="截止报名时间">