分页对象-总页数计算；异常提示

src/main/java/com/sfa/common/core/enums/ECode.java

@@ -16,6 +16,7 @@ public enum ECode implements StatusCode {
     DB_TABLE_UNIQUE_EXIST(700, "%s已存在，不可重复；"),
     DB_TABLE_FLAG_NOTEXIST(701, "当前数据异常或已被他人修改，请刷新重试；"),
     DB_TABLE_UPDATE_ERROR(702, "数据保存异常，请刷新重试；"),
+    SELECT_SQL_NULL_ERROR(703, "查询异常，无查询语句；"),
 
 
 

src/main/java/com/sfa/common/core/web/domain/PageInfo.java

@@ -146,6 +146,15 @@ public class PageInfo<T> implements Serializable {
 
     public void setTotal(int total) {
         this.total = total;
+        if (this.pageSize == 0) {
+            this.totalPage = 0;
+        } else {
+            int pages = this.total / this.pageSize;
+            if (this.total % this.pageSize != 0L) {
+                ++pages;
+            }
+            this.totalPage = pages;
+        }
     }
 
     public PageInfo() {