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  • 大小: 66KB
    文件類型: .zip
    金幣: 2
    下載: 0 次
    發布日期: 2021-06-05
  • 語言: 其他
  • 標簽: mybati??

資源簡介

結合這篇文章使用, 保證原創. https://blog.csdn.net/super_sys/article/details/88371496

資源截圖

代碼片段和文件信息 

package?org.mybatis.plugin;

import?java.sql.Connection;
import?java.sql.PreparedStatement;
import?java.sql.ResultSet;
import?java.sql.SQLException;
import?java.util.List;
import?java.util.Properties;

import?org.apache.commons.lang3.StringUtils;
import?org.apache.ibatis.executor.ErrorContext;
import?org.apache.ibatis.executor.statement.baseStatementHandler;
import?org.apache.ibatis.executor.statement.RoutingStatementHandler;
import?org.apache.ibatis.executor.statement.StatementHandler;
import?org.apache.ibatis.mapping.BoundSql;
import?org.apache.ibatis.mapping.MappedStatement;
import?org.apache.ibatis.mapping.ParameterMapping;
import?org.apache.ibatis.mapping.ParameterMode;
import?org.apache.ibatis.plugin.Interceptor;
import?org.apache.ibatis.plugin.Intercepts;
import?org.apache.ibatis.plugin.Invocation;
import?org.apache.ibatis.plugin.Plugin;
import?org.apache.ibatis.plugin.Signature;
import?org.apache.ibatis.reflection.metaobject;
import?org.apache.ibatis.reflection.Systemmetaobject;
import?org.apache.ibatis.scripting.xmltags.ForEachSqlNode;
import?org.apache.ibatis.session.Configuration;
import?org.apache.ibatis.type.JdbcType;
import?org.apache.ibatis.type.TypeException;
import?org.apache.ibatis.type.TypeHandler;
import?org.apache.ibatis.type.TypeHandlerRegistry;
import?org.mybatis.plugin.exception.PluginPropertyUndefinedException;
import?org.mybatis.plugin.model.DBTypeEnum;
import?org.mybatis.plugin.model.QueryParam;
import?org.mybatis.plugin.util.GenMysqlCountUtil;
import?org.mybatis.plugin.util.ReflectUtil;

@Intercepts（{
		@Signature（type?=?StatementHandler.class?method?=?“prepare“?args?=?{?Connection.class?Integer.class?}）?}）
public?class?PagePlugin?implements?Interceptor?{

	/**?數據庫方言?*/
	private?static?String?dialect?=?““;

	/**?mapper.xml中需要攔截的ID（正則匹配）?*/
	private?static?String?pageSqlId?=?““;

	public?object?intercept（Invocation?ivk）?throws?Throwable?{

		if?（!（ivk.getTarget（）?instanceof?RoutingStatementHandler））?{
			return?ivk.proceed（）;
		}

		RoutingStatementHandler?statementHandler?=?（RoutingStatementHandler）?ivk.getTarget（）;
		baseStatementHandler?delegate?=?（baseStatementHandler）?ReflectUtil.getValueByFieldName（statementHandler
				“delegate“）;
		MappedStatement?mappedStatement?=?（MappedStatement）?ReflectUtil.getValueByFieldName（delegate
				“mappedStatement“）;

		//?只攔截需要分頁的SQL
		if?（!mappedStatement.getId（）.matches（pageSqlId））?{
			return?ivk.proceed（）;
		}

		BoundSql?boundSql?=?delegate.getBoundSql（）;
		//?分頁SQL

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