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+package com.yonge.toolset.mybatis.support;
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+
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+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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+import com.baomidou.mybatisplus.core.toolkit.StringPool;
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+import com.yonge.toolset.utils.date.DateUtil;
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+import com.yonge.toolset.utils.obj.ObjectUtil;
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+import com.yonge.toolset.utils.string.StringUtil;
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+import org.springframework.beans.factory.annotation.Value;
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+import org.springframework.stereotype.Component;
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+import org.springframework.util.CollectionUtils;
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+
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+import java.util.Map;
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+
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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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+@Component
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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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+
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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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+ //是否转驼峰
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+ static public Boolean underline;
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+
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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 (CollectionUtils.isEmpty(query)) {
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+ return;
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+ }
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+ query.forEach((k, v) -> {
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+ if (ObjectUtil.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.EXPANDED_DATE_TIME_FORMAT));
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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.EXPANDED_DATE_TIME_FORMAT));
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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.EXPANDED_DATE_TIME_FORMAT));
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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.EXPANDED_DATE_TIME_FORMAT));
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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.EXPANDED_DATE_TIME_FORMAT));
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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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+ /**
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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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+ if(underline){
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+ return StringUtil.humpToUnderline(StringUtil.removeSuffix(column, keyword));
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+ }else{
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+ return StringUtil.removeSuffix(column, keyword);
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+ }
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+ }
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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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+ @Value("${spring.datasource.table-underline}")
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+ public void setUnderline(Boolean underline) {
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+ SqlKeyword.underline = underline;
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+ }
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+
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+}
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