sql查询分页更新

mjava-lanyun/src/main/java/com/malk/lanyun/service/impl/TimerServiceImpl.java

@@ -326,6 +326,10 @@ public class TimerServiceImpl implements TimerService {
     @Override
     public List<ProjectAnalysis> projectAnalysisGroup(Map<String, Object> data){
         final String[] sql = {"",""};
+        int pageStart = (Integer.parseInt(data.get("page").toString()) - 1) * Integer.parseInt(data.get("num").toString());
+        int pageEnd = Integer.parseInt(data.get("page").toString()) * Integer.parseInt(data.get("num").toString());
+        data.remove("page");
+        data.remove("num");
         if (!data.containsKey("month")){
             sql[0] = "SELECT " +
                     " `month`, " +
@@ -358,7 +362,7 @@ public class TimerServiceImpl implements TimerService {
             sql[0] = sql[0] +
                     " GROUP BY " +
                     " `month`" +
-                    " order by `month` DESC";
+                    " order by `month` DESC LIMIT " + pageStart + "," + pageEnd;
             sql[1]= "SELECT " +
                     " '合计' as `month` , " +
                     " sum( predict_income ) predict_income," +
@@ -441,8 +445,8 @@ public class TimerServiceImpl implements TimerService {
                     sql[1] = sql[1] + " AND `" + k +"` = \"" + v +"\"" ;
                 }
             });
-            sql[1] = sql[1] +  " GROUP BY `month`  ";
-            sql[0] = sql[0] +  "  order by `month` DESC ";
+            sql[1] = sql[1] +  " GROUP BY `month` ";
+            sql[0] = sql[0] +  "  order by `month` DESC LIMIT " + pageStart + "," + pageEnd;
         }
 //        Class.forName(driver);
 //        Connection connection = DriverManager.getConnection(url, username, password);