防止表格最后页最后项删除变成暂无数据

src/main/java/com/ruoyi/common/utils/ServletUtils.java

@@ -48,6 +48,22 @@ public class ServletUtils
         return Convert.toInt(getRequest().getParameter(name), defaultValue);
     }
 
+    /**
+     * 获取Boolean参数
+     */
+    public static Boolean getParameterToBool(String name)
+    {
+        return Convert.toBool(getRequest().getParameter(name));
+    }
+
+    /**
+     * 获取Boolean参数
+     */
+    public static Boolean getParameterToBool(String name, Boolean defaultValue)
+    {
+        return Convert.toBool(getRequest().getParameter(name), defaultValue);
+    }
+
     /**
      * 获取request
      */

src/main/java/com/ruoyi/framework/web/controller/BaseController.java

@@ -57,7 +57,8 @@ public class BaseController
         if (StringUtils.isNotNull(pageNum) && StringUtils.isNotNull(pageSize))
         {
             String orderBy = SqlUtil.escapeOrderBySql(pageDomain.getOrderBy());
-            PageHelper.startPage(pageNum, pageSize, orderBy);
+            Boolean reasonable = pageDomain.getReasonable();
+            PageHelper.startPage(pageNum, pageSize, orderBy).setReasonable(reasonable);
         }
     }
 

src/main/java/com/ruoyi/framework/web/page/PageDomain.java

@@ -21,6 +21,9 @@ public class PageDomain
     /** 排序的方向desc或者asc */
     private String isAsc = "asc";
 
+    /** 分页参数合理化 */
+    private Boolean reasonable = false;
+
     public String getOrderBy()
     {
         if (StringUtils.isEmpty(orderByColumn))
@@ -81,4 +84,14 @@ public class PageDomain
             this.isAsc = isAsc;
         }
     }
+
+    public Boolean getReasonable()
+    {
+        return reasonable;
+    }
+
+    public void setReasonable(Boolean reasonable)
+    {
+        this.reasonable = reasonable;
+    }
 }

src/main/java/com/ruoyi/framework/web/page/TableSupport.java

@@ -29,6 +29,11 @@ public class TableSupport
      */
     public static final String IS_ASC = "isAsc";
 
+    /**
+     * 分页参数合理化
+     */
+    public static final String REASONABLE = "reasonable";
+
     /**
      * 封装分页对象
      */
@@ -39,6 +44,7 @@ public class TableSupport
         pageDomain.setPageSize(ServletUtils.getParameterToInt(PAGE_SIZE));
         pageDomain.setOrderByColumn(ServletUtils.getParameter(ORDER_BY_COLUMN));
         pageDomain.setIsAsc(ServletUtils.getParameter(IS_ASC));
+        pageDomain.setReasonable(ServletUtils.getParameterToBool(REASONABLE));
         return pageDomain;
     }