package com.terra.system.service.all;
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import com.baomidou.mybatisplus.annotation.TableName;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.terra.system.entity.all.RedisCacheKey;
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import com.terra.system.entity.all.StaticData;
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import com.terra.system.entity.ctrl.IdNameEntity;
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import com.terra.system.entity.ctrl.KeyValueEntity;
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import com.terra.system.entity.ctrl.TabEntity;
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import com.terra.system.entity.data.DictEntity;
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import com.terra.system.entity.data.DomainEntity;
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import com.terra.system.entity.sys.AttachEntity;
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import com.terra.system.helper.AesHelper;
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import com.terra.system.helper.ClassHelper;
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import com.terra.system.helper.StringHelper;
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import com.terra.system.mapper.all.BaseQueryMapper;
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import com.terra.system.mapper.all.BasicMapper;
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import com.terra.system.mapper.all.GeomBaseMapper;
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import javax.annotation.Resource;
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import org.springframework.stereotype.Service;
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import java.util.*;
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import java.util.concurrent.TimeUnit;
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/**
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* 父查询服务类
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* @author WWW
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*/
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@Service
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public class BaseQueryService implements BaseQueryMapper {
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@Resource
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BaseQueryMapper baseQueryMapper;
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@Resource
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RedisService redisService;
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/**
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* 表名Map
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*/
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private static Map<String, String> tabMap = new HashMap<>(3);
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/**
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* 添加过滤条件
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*
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* @param wrapper QueryWrapper
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* @param filter 原始过滤条件字符串
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*/
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public void addFilterWrapper(QueryWrapper wrapper, String filter) {
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if (StringHelper.isEmpty(filter)) {
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return;
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}
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String[] strs = filter.trim().split(" (?i)and ");
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for (String str : strs) {
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int start = str.indexOf(" ");
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if (start == -1) {
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continue;
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}
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int end = str.indexOf(" ", start + 1);
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if (end == -1) {
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continue;
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}
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String field = convertFiled(str.substring(0, start).trim());
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String express = str.substring(start + 1, end).trim().toLowerCase();
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String value = str.substring(end + 1).trim();
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addWrapper(wrapper, field, express, getObjectVal(express, value));
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}
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}
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/**
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* 字段转换
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*/
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private String convertFiled(String field) {
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StringBuilder sb = new StringBuilder();
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for (int i = 0, c = field.length(); i < c; i++) {
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char ch = field.charAt(i);
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if (Character.isUpperCase(ch)) {
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sb.append('_');
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sb.append(Character.toLowerCase(ch));
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} else {
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sb.append(ch);
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}
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}
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return sb.toString();
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}
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/**
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* 获取值对象
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*
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* @param val 值
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* @return 对象
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*/
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private Object getObjectVal(String express, String val) {
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if (StringHelper.isInteger(val)) {
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return Long.parseLong(val);
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}
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if (StringHelper.isNumeric(val)) {
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return Double.parseDouble(val);
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}
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if (StaticData.IN.equals(express)) {
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return val;
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}
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return val.replace("'", "");
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}
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/**
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* 添加包装器
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*
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* @param wrapper QueryWrapper
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* @param field 字段
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* @param express 表达式
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* @param val 值
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*/
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private void addWrapper(QueryWrapper wrapper, String field, String express, Object val) {
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if (StringHelper.isDate(val.toString())) {
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wrapper.apply(String.format("%s %s '%s'", field, express, val));
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return;
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}
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switch (express) {
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case "like":
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wrapper.like("UPPER(" + field + ")", val.toString().toUpperCase());
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break;
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case ">":
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wrapper.gt(field, val);
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break;
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case ">=":
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wrapper.ge(field, val);
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break;
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case "<>":
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case "!=":
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wrapper.ne(field, val);
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break;
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case "=":
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wrapper.eq(field, val);
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break;
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case "<":
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wrapper.lt(field, val);
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break;
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case "<=":
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wrapper.le(field, val);
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break;
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case "in":
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if (val.toString().contains(StaticData.SINGLE_QUOTES)) {
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wrapper.in(field, getStringList(val.toString()));
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} else {
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wrapper.in(field, getIntegerList(val.toString()));
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}
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break;
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default:
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break;
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}
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}
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/**
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* 获取字符串列表
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*/
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private List<String> getStringList(String val) {
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return Arrays.asList(val.replace(StaticData.SINGLE_QUOTES, "").split(StaticData.COMMA));
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}
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/**
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* 获取整数列表
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*/
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private List<Integer> getIntegerList(String val) {
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List<Integer> list = new ArrayList<>();
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for (String str : val.split(StaticData.COMMA)) {
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list.add(Integer.parseInt(str));
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}
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return list;
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}
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/**
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* 添加空间过滤条件
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*
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* @param basicMapper 父Mapper
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* @param wrapper QueryWrapper
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* @param wkt WKT（著名文本）
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* @throws Exception 异常
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*/
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public void addGeomWrapper(BasicMapper basicMapper, QueryWrapper wrapper, String wkt) throws Exception {
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if (basicMapper instanceof GeomBaseMapper && !StringHelper.isEmpty(wkt)) {
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wkt = AesHelper.decrypt(wkt);
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Integer srid = getSrid((GeomBaseMapper) basicMapper);
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wrapper.apply(String.format("ST_Intersects(ST_PolygonFromText('%s', %d), geom)", wkt, srid));
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}
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}
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/**
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* 获取几何对象的空间参考
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*
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* @param basicMapper 空间基础Mapper
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* @return SRID
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*/
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public Integer getSrid(GeomBaseMapper basicMapper) {
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String tab = getTabName(basicMapper);
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String key = RedisCacheKey.sridKey(tab);
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Object obj = redisService.get(key);
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if (obj instanceof Integer) {
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return (Integer) obj;
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}
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Integer srid = basicMapper.selectSrid(tab);
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if (null == srid) {
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return StaticData.I4490;
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}
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redisService.put(key, srid, 5, TimeUnit.MINUTES);
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return srid;
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}
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/**
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* 根据Mapper获取表名
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*
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* @param basicMapper Mapper
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* @return 表名
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*/
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public static String getTabName(BasicMapper basicMapper) {
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String className = ClassHelper.getClassName(basicMapper);
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if (tabMap.containsKey(className)) {
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return tabMap.get(className);
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}
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return getTabName(className);
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}
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/**
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* 根据Mapper获取表名
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*
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* @param className Mapper类名
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* @return 表名
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*/
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private static String getTabName(String className) {
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Class clazz = ClassHelper.getEntityClass(className);
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if (clazz == null) {
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return null;
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}
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TableName annotation = (TableName) clazz.getAnnotation(TableName.class);
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String tabName = annotation.value();
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if (tabName != null && !tabMap.containsKey(className)) {
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tabMap.put(className, tabName);
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}
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return tabName;
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}
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/**
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* 添加缓冲区过滤条件
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*
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* @param baseMapper 父Mapper
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* @param wrapper QueryWrapper
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* @param wkt WKT（著名文本）
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*/
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public void addBufferWrapper(GeomBaseMapper baseMapper, QueryWrapper wrapper, String wkt, double buffer) {
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Integer srid = getSrid(baseMapper);
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// buffer = buffer * 0.00000899928
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buffer = buffer / 1852 / 60;
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wrapper.apply(String.format("ST_Intersects(geom, ST_Buffer(ST_GeomFromText('%s', %d), %f, 'endcap=round join=round'))", wkt, srid, buffer));
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}
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@Override
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public List<IdNameEntity> selectUserFuzzy(String name) {
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name = StringHelper.getLikeUpperStr(name);
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return baseQueryMapper.selectUserFuzzy(name);
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}
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@Override
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public List<IdNameEntity> selectDepFuzzy(String name) {
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name = StringHelper.getLikeUpperStr(name);
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return baseQueryMapper.selectDepFuzzy(name);
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}
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@Override
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public Integer selectTabsForCount(String tab, String typesFilter, String field) {
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tab = StringHelper.getLikeUpperStr(tab);
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return baseQueryMapper.selectTabsForCount(tab, typesFilter, field);
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}
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@Override
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public List<TabEntity> selectTabsByPage(String tab, String typesFilter, String field, String filters, Integer limit, Integer offset) {
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tab = StringHelper.getLikeUpperStr(tab);
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return baseQueryMapper.selectTabsByPage(tab, typesFilter, field, filters, limit, offset);
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}
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@Override
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public List<DictEntity> selectFields(String ns, String tab) {
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return baseQueryMapper.selectFields(ns, tab);
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}
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@Override
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public List<DomainEntity> selectDomains(String ns, String tab) {
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return baseQueryMapper.selectDomains(ns, tab);
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}
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@Override
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public String selectRoute(double x1, double y1, double x2, double y2) {
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return baseQueryMapper.selectRoute(x1, y1, x2, y2);
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}
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@Override
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public List<KeyValueEntity> selectLocation(String wkt) {
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return baseQueryMapper.selectLocation(wkt);
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}
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@Override
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public List<KeyValueEntity> selectDirTypes(String name) {
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name = StringHelper.getLikeUpperStr(name);
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return baseQueryMapper.selectDirTypes(name);
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}
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@Override
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public List<KeyValueEntity> selectDirsByTypes(String[] types, String dirs) {
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return baseQueryMapper.selectDirsByTypes(types, dirs);
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}
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@Override
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public List<AttachEntity> selectAnnexByTab(String tab, String gids) {
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return baseQueryMapper.selectAnnexByTab(tab, gids);
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}
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}
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