| 提交 | 用户 | age | ||
| 826b66 | 1 | package com.hx.mybatis.aes.springbean; |
| C | 2 | |
| 3 | import com.alibaba.druid.sql.ast.statement.SQLExprTableSource; | |
| 4 | import com.alibaba.druid.sql.visitor.SQLASTVisitorAdapter; | |
| 5 | ||
| 6 | import java.util.HashMap; | |
| 7 | import java.util.Map; | |
| 8 | ||
| 9 | /** | |
| 10 | * ExportTableAliasVisitor | |
| 11 | * @author Mwg | |
| 12 | * @date 2020/09/08 23:47 | |
| 13 | */ | |
| 14 | public class ExportTableAliasVisitor extends SQLASTVisitorAdapter { | |
| 15 | ||
| 16 | private Map<String,String> tableMap = new HashMap<>(); | |
| 17 | ||
| 18 | public Map<String, String> getTableMap() { | |
| 19 | return tableMap; | |
| 20 | } | |
| 21 | ||
| 22 | public void setTableMap(Map<String, String> tableMap) { | |
| 23 | this.tableMap = tableMap; | |
| 24 | } | |
| 25 | ||
| 26 | @Override | |
| 27 | public boolean visit(SQLExprTableSource x) { | |
| 28 | ||
| 29 | //别名，如果有别名，别名保持不变 | |
| 30 | //System.out.println("alias:"+x.getAlias());//别名 | |
| 31 | //System.out.println("expr:"+x.getExpr());//表名 | |
| 32 | tableMap.put(x.getExpr().toString(),x.getAlias()); | |
| 33 | ||
| 34 | ||
| 35 | //String s = StringUtils.isEmpty(x.getAlias()) ? x.getExpr().toString() : x.getAlias(); | |
| 36 | ||
| 37 | // 修改表名，不包含点才加 select id from c left join d on c.id = d.id 中的c 和 d | |
| 38 | ||
| 39 | /*if(!x.getExpr().toString().contains(".")) { | |
| 40 | ||
| 41 | x.setExpr("`" + dbName.get() + "`." + x.getExpr()); | |
| 42 | ||
| 43 | }*/ | |
| 44 | //x.setExpr("mymymytable");//修改表名 | |
| 45 | //x.setAlias("aa");//修改别名 | |
| 46 | //x.setAlias(s); | |
| 47 | return true; | |
| 48 | ||
| 49 | } | |
| 50 | ||
| 51 | ||
| 52 | ||
| 53 | } | |
