package com.monkeylessey.framework.plugins;
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import com.monkeylessey.framework.config.MybatisPlusConfig;
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import org.apache.ibatis.executor.Executor;
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import org.apache.ibatis.mapping.MappedStatement;
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import org.apache.ibatis.plugin.Interceptor;
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import org.apache.ibatis.plugin.Intercepts;
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import org.apache.ibatis.plugin.Invocation;
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import org.apache.ibatis.plugin.Signature;
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import org.apache.ibatis.session.ResultHandler;
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import org.apache.ibatis.session.RowBounds;
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/**
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* mybatis插件demo
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* 针对自己写的mqpper方法才会走这个插件，plus内置方法要想使用插件，只能用plus的插件
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* @see MybatisPlusPluginDemo plus的插件写法
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* @see MybatisPlusConfig 如何配置 line 46 & 56
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*
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* @author xp
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* @data 2023/11/14
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*/
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@Intercepts(
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@Signature(
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type = Executor.class,
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method = "query",
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args = {MappedStatement.class, Object.class, RowBounds.class, ResultHandler.class}
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)
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)
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public class MybatisPluginDemo implements Interceptor {
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@Override
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public Object intercept(Invocation invocation) throws Throwable {
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// 执行之前
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System.out.println("mybatis插件执行之前");
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// 执行sql
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Object result = invocation.proceed();
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// 执行之后
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System.out.println("mybatis插件执行之后");
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return result;
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}
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}
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