/*
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* Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* Neither the name of the dreamlu.net developer nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* Author: Chill 庄骞 (smallchill@163.com)
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*/
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package org.springblade.core.mp.support;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import org.springblade.core.tool.utils.DateUtil;
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import org.springblade.core.tool.utils.Func;
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import org.springblade.core.tool.utils.StringPool;
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import org.springblade.core.tool.utils.StringUtil;
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import java.util.Map;
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/**
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* 定义常用的 sql关键字
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*
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* @author Chill
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*/
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public class SqlKeyword {
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private final static String SQL_REGEX = "'|%|--|insert|delete|select|count|group|union|drop|truncate|alter|grant|execute|exec|xp_cmdshell|call|declare|sql";
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private static final String EQUAL = "_equal";
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private static final String NOT_EQUAL = "_notequal";
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private static final String LIKE = "_like";
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private static final String LIKE_LEFT = "_likeleft";
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private static final String LIKE_RIGHT = "_likeright";
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private static final String NOT_LIKE = "_notlike";
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private static final String GE = "_ge";
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private static final String LE = "_le";
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private static final String GT = "_gt";
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private static final String LT = "_lt";
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private static final String DATE_GE = "_datege";
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private static final String DATE_GT = "_dategt";
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private static final String DATE_EQUAL = "_dateequal";
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private static final String DATE_LT = "_datelt";
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private static final String DATE_LE = "_datele";
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private static final String IS_NULL = "_null";
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private static final String NOT_NULL = "_notnull";
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private static final String IGNORE = "_ignore";
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/**
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* 条件构造器
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*
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* @param query 查询字段
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* @param qw 查询包装类
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*/
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public static void buildCondition(Map<String, Object> query, QueryWrapper<?> qw) {
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if (Func.isEmpty(query)) {
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return;
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}
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query.forEach((k, v) -> {
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if (Func.hasEmpty(k, v) || k.endsWith(IGNORE)) {
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return;
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}
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if (k.endsWith(EQUAL)) {
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qw.eq(getColumn(k, EQUAL), v);
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} else if (k.endsWith(NOT_EQUAL)) {
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qw.ne(getColumn(k, NOT_EQUAL), v);
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} else if (k.endsWith(LIKE_LEFT)) {
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qw.likeLeft(getColumn(k, LIKE_LEFT), v);
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} else if (k.endsWith(LIKE_RIGHT)) {
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qw.likeRight(getColumn(k, LIKE_RIGHT), v);
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} else if (k.endsWith(NOT_LIKE)) {
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qw.notLike(getColumn(k, NOT_LIKE), v);
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} else if (k.endsWith(GE)) {
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qw.ge(getColumn(k, GE), v);
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} else if (k.endsWith(LE)) {
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qw.le(getColumn(k, LE), v);
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} else if (k.endsWith(GT)) {
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qw.gt(getColumn(k, GT), v);
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} else if (k.endsWith(LT)) {
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qw.lt(getColumn(k, LT), v);
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} else if (k.endsWith(DATE_GE)) {
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qw.ge(getColumn(k, DATE_GE), DateUtil.parse(String.valueOf(v), DateUtil.PATTERN_DATETIME));
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} else if (k.endsWith(DATE_GT)) {
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qw.gt(getColumn(k, DATE_GT), DateUtil.parse(String.valueOf(v), DateUtil.PATTERN_DATETIME));
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} else if (k.endsWith(DATE_EQUAL)) {
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qw.eq(getColumn(k, DATE_EQUAL), DateUtil.parse(String.valueOf(v), DateUtil.PATTERN_DATETIME));
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} else if (k.endsWith(DATE_LE)) {
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qw.le(getColumn(k, DATE_LE), DateUtil.parse(String.valueOf(v), DateUtil.PATTERN_DATETIME));
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} else if (k.endsWith(DATE_LT)) {
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qw.lt(getColumn(k, DATE_LT), DateUtil.parse(String.valueOf(v), DateUtil.PATTERN_DATETIME));
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} else if (k.endsWith(IS_NULL)) {
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qw.isNull(getColumn(k, IS_NULL));
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} else if (k.endsWith(NOT_NULL)) {
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qw.isNotNull(getColumn(k, NOT_NULL));
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} else {
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qw.like(getColumn(k, LIKE), v);
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}
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});
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}
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/**
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* 获取数据库字段
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*
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* @param column 字段名
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* @param keyword 关键字
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* @return
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*/
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private static String getColumn(String column, String keyword) {
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return StringUtil.humpToUnderline(StringUtil.removeSuffix(column, keyword));
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}
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/**
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* 把SQL关键字替换为空字符串
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*
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* @param param 关键字
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* @return string
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*/
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public static String filter(String param) {
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if (param == null) {
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return null;
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}
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return param.replaceAll("(?i)" + SQL_REGEX, StringPool.EMPTY);
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}
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}
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