修改部分bug

panda-code/src/main/java/org/panda/code/uitl/CollectionUtil.java

@@ -63,25 +63,31 @@ public class CollectionUtil {
     public static <T> List<T> subPageList(List<T> list,int page,int pageSize){
         List<T> pageList = new ArrayList(pageSize);
         //list不为NULL而且list的size>0
-        if (list!=null&&list.size()>0&&page>0&&pageSize>0) {
-            //总页数
-            int count = list.size();
-            int pageCount = count / pageSize;
-            if ((pageCount % pageSize) != 0) {
-                pageCount++;
-            }
-            if (page <= pageCount) {
-                //开始索引
-                int startIndex;
-                //结束索引
-                int endIndex;
-                endIndex = (page * pageSize) - 1;
-                startIndex = endIndex - pageSize;
-                pageList = pageList.subList(startIndex, endIndex);
+        if (list!=null) {
+            if (list.size()>0&&page>0&&pageSize>0) {
+                //总页数
+                int count = list.size();
+                int pageCount = count / pageSize;
+                if ((pageCount % pageSize) != 0) {
+                    pageCount++;
+                }
+                if (page <= pageCount) {
+                    //开始索引
+                    int startIndex;
+                    //结束索引
+                    int endIndex;
+                    endIndex = (page * pageSize);
+                    startIndex = endIndex - pageSize;
+                    if (startIndex < 0) {
+                        startIndex = 0;
+                    }
+                    pageList = list.subList(startIndex, endIndex);
+                }
+            }else {
+                pageList.addAll(list);
             }
         }
         return  pageList;
     }
 
-
 }