package com.xcong.excoin.configurations.interceptor;
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import com.xcong.excoin.common.LoginUserUtils;
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import com.xcong.excoin.common.system.base.BaseEntity;
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import com.xcong.excoin.modules.member.entity.MemberEntity;
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import lombok.extern.slf4j.Slf4j;
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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.mapping.SqlCommandType;
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import org.apache.ibatis.plugin.*;
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import org.apache.ibatis.session.defaults.DefaultSqlSession;
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import org.springframework.stereotype.Component;
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import java.lang.reflect.Field;
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import java.util.*;
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/**
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* mybatis拦截器,自动注入创建人、创建时间、修改人、修改时间
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*
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* @author wzy
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* @date 2020-05-13
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**/
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@Slf4j
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@Component
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@Intercepts({ @Signature(type = Executor.class, method = "update", args = {MappedStatement.class, Object.class})})
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public class MybatisInterceptor implements Interceptor {
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@Override
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public Object intercept(Invocation invocation) throws Throwable {
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MappedStatement mappedStatement = (MappedStatement) invocation.getArgs()[0];
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String sqlId = mappedStatement.getId();
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log.info("----sqlId----" + sqlId);
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SqlCommandType sqlCommandType = mappedStatement.getSqlCommandType();
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log.info("-------------->{}", sqlCommandType);
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Object parameter = invocation.getArgs()[1];
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if (parameter == null) {
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return invocation.proceed();
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}
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if (SqlCommandType.INSERT == sqlCommandType) {
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if (parameter instanceof DefaultSqlSession.StrictMap) {
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Map map = (Map) parameter;
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List list = (List) map.get("list");
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for (Object o : list) {
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injectForInsert(o);
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}
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} else {
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injectForInsert(parameter);
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}
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}
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if (SqlCommandType.UPDATE == sqlCommandType) {
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if (parameter instanceof DefaultSqlSession.StrictMap) {
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Map map = (Map) parameter;
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List list = (List) map.get("list");
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for (Object o : list) {
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injectForUpdate(o);
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}
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} else {
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injectForUpdate(parameter);
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}
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}
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return invocation.proceed();
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}
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@Override
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public Object plugin(Object o) {
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return Plugin.wrap(o, this);
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}
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@Override
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public void setProperties(Properties properties) {
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}
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public void injectForInsert(Object o) {
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MemberEntity member = LoginUserUtils.getAppLoginUser();
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if (o instanceof BaseEntity) {
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BaseEntity baseEntity = (BaseEntity) o;
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baseEntity.setCreateBy(member.getUsername());
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baseEntity.setUpdateBy(member.getUsername());
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baseEntity.setCreateTime(new Date());
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baseEntity.setUpdateTime(new Date());
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}
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}
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public void injectForUpdate(Object o) {
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MemberEntity member = LoginUserUtils.getAppLoginUser();
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if (o instanceof BaseEntity) {
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BaseEntity baseEntity = (BaseEntity) o;
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baseEntity.setUpdateBy(member.getUsername());
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baseEntity.setUpdateTime(new Date());
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}
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}
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}
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