Datasource 切换之后 table 也要清空

db monitor 模块 overview add 弹窗 Name 是必填项，只是 Test 按钮不需要校验

src/views/abnormalAlarm/databaseMonitor/instances/tableSpace.vue

@@ -174,6 +174,7 @@ export default {
     onDbChange(val) {
       this.name = val
       this.dbName = undefined
+      this.dataSource = []
       this.getDbNameList()
     },
     ondbNameChange(val) {

src/views/abnormalAlarm/databaseMonitor/overview/index.vue

@@ -83,7 +83,7 @@
             v-decorator="[
               'name',
               {
-                rules: [{ required: nameRequired, message: 'Please input name!' }],
+                rules: [{ required: true, message: 'Please input name!' }],
                 initialVale: this.formVal.name,
               },
             ]"
@@ -237,7 +237,6 @@ export default {
   },
   data() {
     return {
-      nameRequired: false,
       loading: false,
       isAdd: true,
       visible: false,
@@ -444,8 +443,7 @@ export default {
       this.currentId = ''
     },
     onTest() {
-      this.nameRequired = false
-      this.form.validateFields((err, values) => {
+      this.form.validateFields(['dbType', 'dbDriver', 'dbUrl', 'dbUsername', 'dbPassword'], (err, values) => {
         if (!err) {
           let loading = this.$message.loading('连接中……', 0)
           postAction('/online/cgreport/api/testConnection', values)
@@ -462,10 +460,6 @@ export default {
       })
     },
     onSave() {
-      this.nameRequired = true
-      this.$nextTick(() => {
-        this.form.validateFields(['name'], { force: true })
-      })
       this.form.validateFields((err, values) => {
         if (!err) {
           if (this.isAdd) {