package org.jeecg.config.mybatis;
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import cn.hutool.core.util.ObjectUtil;
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import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
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import com.baomidou.mybatisplus.extension.plugins.handler.TenantLineHandler;
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import com.baomidou.mybatisplus.extension.plugins.inner.DynamicTableNameInnerInterceptor;
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import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
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import com.baomidou.mybatisplus.extension.plugins.inner.TenantLineInnerInterceptor;
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import net.sf.jsqlparser.expression.Expression;
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import net.sf.jsqlparser.expression.LongValue;
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import org.apache.ibatis.mapping.DatabaseIdProvider;
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import org.apache.ibatis.mapping.VendorDatabaseIdProvider;
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import org.jeecg.common.config.TenantContext;
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import org.jeecg.common.constant.CommonConstant;
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import org.jeecg.common.util.oConvertUtils;
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import org.mybatis.spring.annotation.MapperScan;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Properties;
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/**
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* 单数据源配置（jeecg.datasource.open = false时生效）
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* @Author zhoujf
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*
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*/
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@Configuration
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@MapperScan(value={"org.jeecg.modules.**.mapper*"})
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public class MybatisPlusSaasConfig {
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/**
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* tenant_id 字段名
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*/
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private static final String TENANT_FIELD_NAME = "tenant_id";
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/**
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* 哪些表需要做多租户 表需要添加一个字段 tenant_id
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*/
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private static final List<String> TENANT_TABLE = new ArrayList<String>();
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static {
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TENANT_TABLE.add("demo");
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// //角色、菜单、部门
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// tenantTable.add("sys_role");
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// tenantTable.add("sys_permission");
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// tenantTable.add("sys_depart");
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}
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/**
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为了配置管理我把这段代码加入到了 MybatisPlusConfig 中
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*/
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@Bean
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public DatabaseIdProvider databaseIdProvider() {
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VendorDatabaseIdProvider databaseIdProvider = new VendorDatabaseIdProvider();
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Properties properties = new Properties();
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properties.setProperty("SQL Server", "sqlserver");
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properties.put("Oracle","oracle");
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properties.put("MySQL","mysql");
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databaseIdProvider.setProperties(properties);
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return databaseIdProvider;
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}
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@Bean
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public MybatisPlusInterceptor mybatisPlusInterceptor() {
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MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
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// 先 add TenantLineInnerInterceptor 再 add PaginationInnerInterceptor
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interceptor.addInnerInterceptor(new TenantLineInnerInterceptor(new TenantLineHandler() {
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@Override
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public Expression getTenantId() {
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String tenantId = oConvertUtils.getString(TenantContext.getTenant(),"0");
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return new LongValue(tenantId);
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}
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@Override
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public String getTenantIdColumn(){
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return TENANT_FIELD_NAME;
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}
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// 返回 true 表示不走租户逻辑
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@Override
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public boolean ignoreTable(String tableName) {
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for(String temp: TENANT_TABLE){
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if(temp.equalsIgnoreCase(tableName)){
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return false;
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}
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}
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return true;
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}
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}));
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interceptor.addInnerInterceptor(new PaginationInnerInterceptor());
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//update-begin-author:zyf date:20220425 for:【VUEN-606】注入动态表名适配拦截器解决多表名问题
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interceptor.addInnerInterceptor(dynamicTableNameInnerInterceptor());
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//update-end-author:zyf date:20220425 for:【VUEN-606】注入动态表名适配拦截器解决多表名问题
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return interceptor;
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}
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/**
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* 动态表名切换拦截器,用于适配vue2和vue3同一个表有多个的情况,如sys_role_index在vue3情况下表名为sys_role_index_v3
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* @return
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*/
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private DynamicTableNameInnerInterceptor dynamicTableNameInnerInterceptor() {
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DynamicTableNameInnerInterceptor dynamicTableNameInnerInterceptor = new DynamicTableNameInnerInterceptor();
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dynamicTableNameInnerInterceptor.setTableNameHandler((sql, tableName) -> {
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//获取需要动态解析的表名
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String dynamicTableName = ThreadLocalDataHelper.get(CommonConstant.DYNAMIC_TABLE_NAME);
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//当dynamicTableName不为空时才走动态表名处理逻辑,否则返回原始表名
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if (ObjectUtil.isNotEmpty(dynamicTableName) && dynamicTableName.equals(tableName)) {
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// 获取前端传递的版本号标识
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Object version = ThreadLocalDataHelper.get(CommonConstant.VERSION);
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if (ObjectUtil.isNotEmpty(version)) {
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//拼接表名规则(原始表名+下划线+前端传递的版本号)
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return tableName + "_" + version;
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}
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}
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return tableName;
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});
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return dynamicTableNameInnerInterceptor;
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}
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// /**
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// * 下个版本会删除，现在为了避免缓存出现问题不得不配置
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// * @return
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// */
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// @Bean
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// public ConfigurationCustomizer configurationCustomizer() {
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// return configuration -> configuration.setUseDeprecatedExecutor(false);
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// }
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// /**
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// * mybatis-plus SQL执行效率插件【生产环境可以关闭】
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// */
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// @Bean
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// public PerformanceInterceptor performanceInterceptor() {
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// return new PerformanceInterceptor();
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// }
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}
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