package com.ruoyi.web.controller.interceptor;
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import com.ruoyi.framework.web.service.TokenService;
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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.springframework.beans.factory.annotation.Autowired;
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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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@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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@Autowired
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private TokenService tokenService;
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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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log.debug("{}:"+mappedStatement);
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log.debug("------sqlId------" + mappedStatement.getId());
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if("com.ruoyi.system.mapper.SysLogininforMapper.insertLogininfor".equals(mappedStatement.getId())){
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return invocation.proceed();
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}
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// sql类型：insert、update、select、delete
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SqlCommandType sqlCommandType = mappedStatement.getSqlCommandType();
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Object parameter = invocation.getArgs()[1];
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log.debug("------sqlCommandType------" + sqlCommandType);
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if (parameter == null) {
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return invocation.proceed();
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}
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// 当sql为新增或更新类型时，自动填充操作人相关信息
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if (SqlCommandType.INSERT == sqlCommandType) {
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Field[] fields = getAllFields(parameter);
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for (Field field : fields) {
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try {
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// 注入创建人
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if ("createBy".equals(field.getName())) {
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// 获取当前登录用户信息
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if(Objects.nonNull(tokenService.getLoginUser())){
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String userName = tokenService.getLoginUser().getUser().getUserName();
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field.setAccessible(true);
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field.set(parameter, userName);
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field.setAccessible(false);
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}
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}
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//注入创建时间
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if ("createTime".equals(field.getName())) {
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field.setAccessible(true);
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field.set(parameter, new Date());
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field.setAccessible(false);
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}
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} catch (Exception e) {
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log.error("failed to insert data, exception = ", e);
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}
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}
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}
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if (SqlCommandType.UPDATE == sqlCommandType) {
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Field[] fields = getAllFields(parameter);
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for (Field field : fields) {
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try {
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if ("updateBy".equals(field.getName())) {
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// 获取当前登录用户信息
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if(Objects.nonNull(tokenService.getLoginUser())){
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String userName = tokenService.getLoginUser().getUser().getUserName();
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field.setAccessible(true);
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field.set(parameter, userName);
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field.setAccessible(false);
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}
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}
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if ("updateTime".equals(field.getName())) {
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field.setAccessible(true);
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field.set(parameter, new Date());
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field.setAccessible(false);
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}
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} catch (Exception e) {
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log.error("failed to update data, exception = ", e);
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}
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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 target) {
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return Plugin.wrap(target, this);
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}
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@Override
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public void setProperties(Properties properties) {
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// TODO Auto-generated method stub
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}
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/**
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* 获取类的所有属性，包括父类
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*
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* @param object
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* @return
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*/
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private Field[] getAllFields(Object object) {
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Class<?> clazz = object.getClass();
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List<Field> fieldList = new ArrayList<>();
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while (clazz != null) {
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fieldList.addAll(new ArrayList<>(Arrays.asList(clazz.getDeclaredFields())));
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clazz = clazz.getSuperclass();
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}
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Field[] fields = new Field[fieldList.size()];
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fieldList.toArray(fields);
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return fields;
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}
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}
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