refactor: 简化类型检查和基础代码

ruoyi-modules/ruoyi-gen/src/main/java/org/dromara/gen/domain/GenTableColumn.java

@@ -340,7 +340,7 @@ public class GenTableColumn extends BaseEntity {
      */
     public String readConverterExp() {
         String remarks = StringUtils.substringBetween(this.columnComment, "（", "）");
-        StringBuffer sb = new StringBuffer();
+        StringBuilder sb = new StringBuilder();
         if (StringUtils.isNotEmpty(remarks)) {
             for (String value : remarks.split(" ")) {
                 if (StringUtils.isNotEmpty(value)) {

ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/controller/system/SysDeptController.java

@@ -50,7 +50,7 @@ public class SysDeptController extends BaseController {
      */
     @SaCheckPermission("system:dept:list")
     @GetMapping("/list/exclude/{deptId}")
-    public R<List<SysDeptVo>> excludeChild(@PathVariable(value = "deptId", required = false) Long deptId) {
+    public R<List<SysDeptVo>> excludeChild(@PathVariable(value = "deptId") Long deptId) {
         List<SysDeptVo> depts = deptService.selectDeptList(new SysDeptBo());
         depts.removeIf(d -> d.getDeptId().equals(deptId)
             || StringUtils.splitList(d.getAncestors()).contains(Convert.toStr(deptId)));