.

src/main/java/net/tccn/base/Utils.java

@@ -1,5 +1,10 @@
 package net.tccn.base;
 
+import net.sf.jsqlparser.JSQLParserException;
+import net.sf.jsqlparser.expression.Expression;
+import net.sf.jsqlparser.expression.LongValue;
+import net.sf.jsqlparser.parser.CCJSqlParserUtil;
+import net.sf.jsqlparser.statement.select.*;
 import net.tccn.base.dbq.jdbc.api.DbSource;
 
 import java.lang.reflect.Array;
@@ -211,4 +216,45 @@ public class Utils {
         return _group;
     }
 
+    public static String parserSql(String originalSql) {
+        try {
+            Select select = (Select) CCJSqlParserUtil.parse(originalSql);
+
+            // 如果未设置分页，设置默认分页 99
+            if (select.getLimit() == null) {
+                Limit limit = new Limit().withRowCount(new LongValue(10));
+                select.setLimit(limit);
+
+                originalSql = select.toString();
+            }
+
+            return originalSql;
+        } catch (JSQLParserException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static String parserCountSql(String originalSql) {
+        String sqlCount = "SELECT COUNT(1)";
+        try {
+            Select select = (Select) CCJSqlParserUtil.parse(originalSql);
+            PlainSelect plainSelect = select.getPlainSelect();
+
+            FromItem fromItem = plainSelect.getFromItem();
+            List<Join> joins = plainSelect.getJoins();
+            Expression where = plainSelect.getWhere();
+
+            sqlCount += " FROM " + fromItem;
+            if (joins != null) {
+                for (Join join : joins) {
+                    sqlCount += " " + join;
+                }
+            }
+            sqlCount += " WHERE " + where;
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+        return sqlCount;
+    }
+
 }