支持关系型DB连接配置默认主键

dbsyncer-web/src/main/resources/public/connector/addMysql.html

@@ -25,8 +25,8 @@
     <div class="form-group">
         <label class="col-sm-2 control-label">主键</label>
         <div class="col-sm-4">
-            <input class="form-control" name="primaryKey" type="text" maxlength="32" dbsyncer-valid="require"
-                   placeholder="ID" th:value="${connector?.config?.primaryKey}"/>
+            <input class="form-control" name="primaryKey" type="text" maxlength="32" placeholder="ID"
+                   th:value="${connector?.config?.primaryKey}"/>
         </div>
         <div class="col-sm-6"></div>
     </div>

dbsyncer-web/src/main/resources/public/connector/addOracle.html

@@ -25,8 +25,8 @@
     <div class="form-group">
         <label class="col-sm-2 control-label">主键</label>
         <div class="col-sm-4">
-            <input class="form-control" name="primaryKey" type="text" maxlength="32" dbsyncer-valid="require"
-                   placeholder="ID" th:value="${connector?.config?.primaryKey}"/>
+            <input class="form-control" name="primaryKey" type="text" maxlength="32" placeholder="ID"
+                   th:value="${connector?.config?.primaryKey}"/>
         </div>
         <div class="col-sm-6"></div>
     </div>

dbsyncer-web/src/main/resources/public/connector/addPostgreSQL.html

@@ -31,8 +31,8 @@
         </div>
         <label class="col-sm-2 control-label">主键</label>
         <div class="col-sm-4">
-            <input class="form-control" name="primaryKey" type="text" maxlength="32" dbsyncer-valid="require"
-                   placeholder="ID" th:value="${connector?.config?.primaryKey}"/>
+            <input class="form-control" name="primaryKey" type="text" maxlength="32" placeholder="ID"
+                   th:value="${connector?.config?.primaryKey}"/>
         </div>
     </div>
     <div class="form-group">

dbsyncer-web/src/main/resources/public/connector/addSqlServer.html

@@ -27,8 +27,8 @@
         </div>
         <label class="col-sm-2 control-label">主键</label>
         <div class="col-sm-4">
-            <input class="form-control" name="primaryKey" type="text" maxlength="32" dbsyncer-valid="require"
-                   placeholder="ID" th:value="${connector?.config?.primaryKey}"/>
+            <input class="form-control" name="primaryKey" type="text" maxlength="32" placeholder="ID"
+                   th:value="${connector?.config?.primaryKey}"/>
         </div>
     </div>
     <div class="form-group">