feat:新建项目-选择模版后可以重置模版，重置页面数据

src/views/projectcenter/ProjectAdd.vue

@@ -187,7 +187,7 @@
         <div class="name">
           <div class="inname" style="width: 50px">模版</div>
           <div class="in select" style="margin-left: 2px">
-            <a-select :getPopupContainer="
+            <a-select :allowClear="true" :getPopupContainer="
               (triggerNode) => triggerNode.parentNode || document.body
             " placeholder="请选择模版" style="width: 100%" :options="classifyList5" @change="classificationChange5"
                       @popupScroll="templateScroll" :fieldNames="{
@@ -372,6 +372,22 @@ export default {
     };
 
     const classificationChange5 = (key, option) => {
+      if(key==undefined || option==undefined){
+        // 标识清空选择的模版
+        state.timeRange = []
+        state.projectInfo = {
+          name: "",
+          picUrl: "",
+          beginTime: "",
+          endTime: "",
+          manager: "",
+          managerId: "",
+          sourceBelongId: null,
+          level: "",
+          systemId: null
+        }
+        return
+      }
       state.projectInfo = option;
       state.projectInfo.projectTemplateId = option.id;
       state.projectInfo.id = "";