sunjianxi
/
cycgs
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

抽取ms-db

Browse Source
master
guwd 5 years ago
parent 14b2d5db6b
commit 8b9cf07b70
4 changed files with 4 additions and 149 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 4
      pom.xml
  2. 43
      src/main/java/net/mingsoft/config/MybatisInterceptorConfig.java
  3. 61
      src/main/java/net/mingsoft/interceptor/DMInnerInterceptor.java
  4. 45
      src/main/java/net/mingsoft/interceptor/MysqlInnerInterceptor.java

4
pom.xml
Unescape View File

@ -33,6 +33,10 @@
<groupId>net.mingsoft</groupId> <groupId>net.mingsoft</groupId>
<artifactId>ms-mpeople</artifactId> <artifactId>ms-mpeople</artifactId>
</dependency> </dependency>
<dependency>
<groupId>net.mingsoft</groupId>
<artifactId>ms-db</artifactId>
</dependency>
<!-- 此部分是铭飞平台MStroe的客户端（MStore不在铭飞开源产品范围），如果不需要使用MStore可以删除掉 --> <!-- 此部分是铭飞平台MStroe的客户端（MStore不在铭飞开源产品范围），如果不需要使用MStore可以删除掉 -->
<dependency> <dependency>

43
src/main/java/net/mingsoft/config/MybatisInterceptorConfig.java
Unescape View File

@ -1,43 +0,0 @@
package net.mingsoft.config;
import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.handler.TenantLineHandler;
import com.baomidou.mybatisplus.extension.plugins.inner.TenantLineInnerInterceptor;
import com.baomidou.mybatisplus.extension.toolkit.JdbcUtils;
import net.mingsoft.interceptor.DMInnerInterceptor;
import net.mingsoft.interceptor.MysqlInnerInterceptor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import javax.sql.DataSource;
import java.sql.SQLException;
/**
* Mybatis 拦截器配置
*/
@Configuration
public class MybatisInterceptorConfig {
@Bean
public MybatisPlusInterceptor mybatisPlusInterceptor(DataSource dataSource, @Autowired(required = false) TenantLineHandler tenantLineHandler) {
MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
if(tenantLineHandler!=null){
interceptor.addInnerInterceptor(new TenantLineInnerInterceptor(tenantLineHandler));
}
try {
//mysql 添加转换sql
DbType dbType = JdbcUtils.getDbType(dataSource.getConnection().getMetaData().getURL());
if(DbType.MYSQL==dbType){
interceptor.addInnerInterceptor(new MysqlInnerInterceptor());
}else if(DbType.DM==dbType){
interceptor.addInnerInterceptor( new DMInnerInterceptor());
}
} catch (SQLException e) {
e.printStackTrace();
}
return interceptor;
}
}

61
src/main/java/net/mingsoft/interceptor/DMInnerInterceptor.java
Unescape View File

@ -1,61 +0,0 @@
package net.mingsoft.interceptor;
import com.baomidou.mybatisplus.core.plugins.InterceptorIgnoreHelper;
import com.baomidou.mybatisplus.core.toolkit.PluginUtils;
import com.baomidou.mybatisplus.core.toolkit.TableNameParser;
import com.baomidou.mybatisplus.extension.plugins.inner.InnerInterceptor;
import org.apache.ibatis.executor.Executor;
import org.apache.ibatis.executor.statement.StatementHandler;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.SqlCommandType;
import org.apache.ibatis.session.ResultHandler;
import org.apache.ibatis.session.RowBounds;
import java.sql.Connection;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
public class DMInnerInterceptor implements InnerInterceptor {
@Override
public void beforeQuery(Executor executor, MappedStatement ms, Object parameter, RowBounds rowBounds, ResultHandler resultHandler, BoundSql boundSql) throws SQLException {
PluginUtils.MPBoundSql mpBs = PluginUtils.mpBoundSql(boundSql);
if (InterceptorIgnoreHelper.willIgnoreDynamicTableName(ms.getId())) return;
mpBs.sql(this.changeTable(mpBs.sql()));
}
@Override
public void beforePrepare(StatementHandler sh, Connection connection, Integer transactionTimeout) {
PluginUtils.MPStatementHandler mpSh = PluginUtils.mpStatementHandler(sh);
MappedStatement ms = mpSh.mappedStatement();
SqlCommandType sct = ms.getSqlCommandType();
if (sct == SqlCommandType.INSERT || sct == SqlCommandType.UPDATE || sct == SqlCommandType.DELETE) {
if (InterceptorIgnoreHelper.willIgnoreDynamicTableName(ms.getId())) return;
PluginUtils.MPBoundSql mpBs = mpSh.mPBoundSql();
mpBs.sql(this.changeTable(mpBs.sql()));
}
}
protected String changeTable(String sql) {
TableNameParser parser = new TableNameParser(sql);
List<TableNameParser.SqlToken> names = new ArrayList<>();
parser.accept(names::add);
StringBuilder builder = new StringBuilder();
int last = 0;
for (TableNameParser.SqlToken name : names) {
int start = name.getStart();
if (start != last) {
builder.append(sql, last, start);
String value = name.getValue();
builder.append(String.format("\"%s\"",value));
}
last = name.getEnd();
}
if (last != sql.length()) {
builder.append(sql.substring(last));
}
return builder.toString();
}
}

45
src/main/java/net/mingsoft/interceptor/MysqlInnerInterceptor.java
Unescape View File

@ -1,45 +0,0 @@
package net.mingsoft.interceptor;
import com.baomidou.mybatisplus.core.plugins.InterceptorIgnoreHelper;
import com.baomidou.mybatisplus.core.toolkit.PluginUtils;
import com.baomidou.mybatisplus.extension.plugins.inner.InnerInterceptor;
import org.apache.ibatis.executor.Executor;
import org.apache.ibatis.executor.statement.StatementHandler;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.SqlCommandType;
import org.apache.ibatis.session.ResultHandler;
import org.apache.ibatis.session.RowBounds;
import java.sql.Connection;
import java.sql.SQLException;
/**
* Mysql 适配通用拦截器，主要处理不支持的sql语句
*/
public class MysqlInnerInterceptor implements InnerInterceptor {
@Override
public void beforeQuery(Executor executor, MappedStatement ms, Object parameter, RowBounds rowBounds, ResultHandler resultHandler, BoundSql boundSql) throws SQLException {
PluginUtils.MPBoundSql mpBs = PluginUtils.mpBoundSql(boundSql);
if (InterceptorIgnoreHelper.willIgnoreDynamicTableName(ms.getId())) return;
mpBs.sql(this.changeSql(mpBs.sql()));
}
@Override
public void beforePrepare(StatementHandler sh, Connection connection, Integer transactionTimeout) {
PluginUtils.MPStatementHandler mpSh = PluginUtils.mpStatementHandler(sh);
MappedStatement ms = mpSh.mappedStatement();
SqlCommandType sct = ms.getSqlCommandType();
if (sct == SqlCommandType.INSERT || sct == SqlCommandType.UPDATE || sct == SqlCommandType.DELETE) {
if (InterceptorIgnoreHelper.willIgnoreDynamicTableName(ms.getId())) return;
PluginUtils.MPBoundSql mpBs = mpSh.mPBoundSql();
mpBs.sql(this.changeSql(mpBs.sql()));
}
}
protected String changeSql(String sql) {
//替换所有"为`
return sql.replaceAll("\"","`");
}
}
Write Preview
Loading…
Cancel
Save