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add 增加 自定义 批量insert方法

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疯狂的狮子li 2021-06-18 15:27:47 +08:00
parent 281b6b6d2b
commit c98ab8fb51
2 changed files with 64 additions and 4 deletions
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47
ruoyi-common/src/main/java/com/ruoyi/common/core/mybatisplus/methods/InsertAll.java Normal file
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@ -0,0 +1,47 @@
package com.ruoyi.common.core.mybatisplus.methods;
import org.apache.ibatis.executor.keygen.NoKeyGenerator;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.SqlSource;
import com.baomidou.mybatisplus.core.injector.AbstractMethod;
import com.baomidou.mybatisplus.core.metadata.TableInfo;
/**
* 单sql批量插入
*
* @author Lion Li
*/
public class InsertAll extends AbstractMethod {
@Override
public MappedStatement injectMappedStatement(Class<?> mapperClass, Class<?> modelClass, TableInfo tableInfo) {
final String sql = "<script>insert into %s %s values %s</script>";
final String fieldSql = prepareFieldSql(tableInfo);
final String valueSql = prepareValuesSqlForMysqlBatch(tableInfo);
final String sqlResult = String.format(sql, tableInfo.getTableName(), fieldSql, valueSql);
SqlSource sqlSource = languageDriver.createSqlSource(configuration, sqlResult, modelClass);
return this.addInsertMappedStatement(mapperClass, modelClass, "insertAll", sqlSource, new NoKeyGenerator(), null, null);
}
private String prepareFieldSql(TableInfo tableInfo) {
StringBuilder fieldSql = new StringBuilder();
fieldSql.append(tableInfo.getKeyColumn()).append(",");
tableInfo.getFieldList().forEach(x -> fieldSql.append(x.getColumn()).append(","));
fieldSql.delete(fieldSql.length() - 1, fieldSql.length());
fieldSql.insert(0, "(");
fieldSql.append(")");
return fieldSql.toString();
}
private String prepareValuesSqlForMysqlBatch(TableInfo tableInfo) {
final StringBuilder valueSql = new StringBuilder();
valueSql.append("<foreach collection=\"list\" item=\"item\" index=\"index\" open=\"(\" separator=\"),(\" close=\")\">");
valueSql.append("#{item.").append(tableInfo.getKeyProperty()).append("},");
tableInfo.getFieldList().forEach(x -> valueSql.append("#{item.").append(x.getProperty()).append("},"));
valueSql.delete(valueSql.length() - 1, valueSql.length());
valueSql.append("</foreach>");
return valueSql.toString();
}
}

21
ruoyi-framework/src/main/java/com/ruoyi/framework/config/MybatisPlusConfig.java
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@ -2,15 +2,21 @@ package com.ruoyi.framework.config;
import com.baomidou.mybatisplus.annotation.DbType;
import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
import com.baomidou.mybatisplus.core.injector.AbstractMethod;
import com.baomidou.mybatisplus.core.injector.DefaultSqlInjector;
import com.baomidou.mybatisplus.core.injector.ISqlInjector;
import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import com.ruoyi.common.core.mybatisplus.methods.InsertAll;
import com.ruoyi.framework.mybatisplus.CreateAndUpdateMetaObjectHandler;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;
import java.util.List;
/**
* mybatis-plus配置类
*
@ -94,10 +100,17 @@ public class MybatisPlusConfig {
* sql注入器配置
* https://baomidou.com/guide/sql-injector.html
*/
// @Bean
// public ISqlInjector sqlInjector() {
// return new DefaultSqlInjector();
// }
@Bean
public ISqlInjector sqlInjector() {
return new DefaultSqlInjector() {
@Override
public List<AbstractMethod> getMethodList(Class<?> mapperClass) {
List<AbstractMethod> methodList = super.getMethodList(mapperClass);
methodList.add(new InsertAll());
return methodList;
}
};
}
/**
* TenantLineInnerInterceptor 多租户插件