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@@ -1,540 +0,0 @@
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-/*
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- * Copyright (c) 2011-2020, hubin (jobob@qq.com).
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- * <p>
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- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
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- * use this file except in compliance with the License. You may obtain a copy of
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- * the License at
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- * <p>
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- * http://www.apache.org/licenses/LICENSE-2.0
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- * <p>
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- * Unless required by applicable law or agreed to in writing, software
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- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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- * License for the specific language governing permissions and limitations under
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- * the License.
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- */
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-package com.baomidou.mybatisplus.core.injector.methods;
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-
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-import java.lang.reflect.ParameterizedType;
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-import java.lang.reflect.Type;
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-import java.lang.reflect.TypeVariable;
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-import java.lang.reflect.WildcardType;
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-import java.util.Iterator;
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-import java.util.List;
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-
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-import org.apache.ibatis.builder.MapperBuilderAssistant;
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-import org.apache.ibatis.executor.keygen.KeyGenerator;
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-import org.apache.ibatis.executor.keygen.NoKeyGenerator;
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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.mapping.SqlSource;
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-import org.apache.ibatis.mapping.StatementType;
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-import org.apache.ibatis.scripting.LanguageDriver;
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-import org.apache.ibatis.session.Configuration;
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-
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-import com.baomidou.mybatisplus.annotation.FieldFill;
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-import com.baomidou.mybatisplus.annotation.FieldStrategy;
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-import com.baomidou.mybatisplus.core.metadata.GlobalConfiguration;
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-import com.baomidou.mybatisplus.core.metadata.TableFieldInfo;
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-import com.baomidou.mybatisplus.core.metadata.TableInfo;
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-import com.baomidou.mybatisplus.core.toolkit.ArrayUtils;
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-import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
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-import com.baomidou.mybatisplus.core.toolkit.GlobalConfigUtils;
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-import com.baomidou.mybatisplus.core.toolkit.StringUtils;
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-import com.baomidou.mybatisplus.core.toolkit.TableInfoHelper;
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-
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-/**
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- * <p>
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- * 抽象的注入方法类
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- * </p>
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- *
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- * @author hubin
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- * @since 2018-04-06
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- */
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-public abstract class AbstractMethod {
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-
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- protected Configuration configuration;
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- protected LanguageDriver languageDriver;
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- protected MapperBuilderAssistant builderAssistant;
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-
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-
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- /**
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- * 注入自定义方法
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- */
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- public void inject(MapperBuilderAssistant builderAssistant, Class<?> mapperClass) {
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- this.configuration = builderAssistant.getConfiguration();
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- this.builderAssistant = builderAssistant;
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- this.languageDriver = configuration.getDefaultScriptingLanguageInstance();
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- Class<?> modelClass = extractModelClass(mapperClass);
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- if (null != modelClass) {
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- // 注入自定义方法
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- TableInfo tableInfo = TableInfoHelper.initTableInfo(builderAssistant, modelClass);
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- this.injectMappedStatement(mapperClass, modelClass, tableInfo);
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- }
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- }
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-
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-
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- /**
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- * 提取泛型模型,多泛型的时候请将泛型T放在第一位
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- *
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- * @param mapperClass
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- * @return
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- */
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- protected Class<?> extractModelClass(Class<?> mapperClass) {
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- Type[] types = mapperClass.getGenericInterfaces();
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- ParameterizedType target = null;
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- for (Type type : types) {
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- if (type instanceof ParameterizedType) {
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- Type[] typeArray = ((ParameterizedType) type).getActualTypeArguments();
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- if (ArrayUtils.isNotEmpty(typeArray)) {
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- for (Type t : typeArray) {
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- if (t instanceof TypeVariable || t instanceof WildcardType) {
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- target = null;
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- break;
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- } else {
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- target = (ParameterizedType) type;
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- break;
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- }
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- }
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- }
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- break;
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- }
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- }
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- return target == null ? null : (Class<?>) target.getActualTypeArguments()[0];
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- }
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-
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-
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- /**
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- * 是否已经存在MappedStatement
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- *
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- * @param mappedStatement
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- * @return
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- */
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- private boolean hasMappedStatement(String mappedStatement) {
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- return configuration.hasStatement(mappedStatement, false);
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- }
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-
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-
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- /**
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- * <p>
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- * SQL 更新 set 语句
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- * </p>
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- *
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- * @param selective 是否选择判断
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- * @param table 表信息
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- * @param prefix 前缀
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- * @return
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- */
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- protected String sqlSet(boolean selective, TableInfo table, String prefix) {
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- StringBuilder set = new StringBuilder();
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- set.append("<trim prefix=\"SET\" suffixOverrides=\",\">");
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-
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- // 是否 IF 标签判断
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- boolean ifTag;
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- List<TableFieldInfo> fieldList = table.getFieldList();
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- for (TableFieldInfo fieldInfo : fieldList) {
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- // 判断是否更新忽略,在FieldIgnore,UPDATE,INSERT_UPDATE设置为false
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- ifTag = !(FieldFill.UPDATE == fieldInfo.getFieldFill()
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- || FieldFill.INSERT_UPDATE == fieldInfo.getFieldFill());
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- if (selective && ifTag) {
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- if (StringUtils.isNotEmpty(fieldInfo.getUpdate())) {
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- set.append(fieldInfo.getColumn()).append("=");
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- set.append(String.format(fieldInfo.getUpdate(), fieldInfo.getColumn())).append(",");
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- } else {
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- set.append(convertIfTag(true, fieldInfo, prefix, false));
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- set.append(fieldInfo.getColumn()).append("=#{");
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- if (null != prefix) {
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- set.append(prefix);
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- }
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- set.append(fieldInfo.getEl()).append("},");
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- set.append(convertIfTag(true, fieldInfo, null, true));
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- }
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- } else if (FieldFill.INSERT != fieldInfo.getFieldFill()) {
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- // 排除填充注解字段
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- set.append(fieldInfo.getColumn()).append("=#{");
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- if (null != prefix) {
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- set.append(prefix);
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- }
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- set.append(fieldInfo.getEl()).append("},");
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- }
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- }
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- set.append("\n</trim>");
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- return set.toString();
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- }
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-
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-
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- /**
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- * <p>
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- * 获取需要转义的SQL字段
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- * </p>
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- *
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- * @param convertStr
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- * @return
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- */
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- protected String sqlWordConvert(String convertStr) {
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-// GlobalConfiguration globalConfig = GlobalConfigUtils.getGlobalConfig(configuration);
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-// return SqlReservedWords.convert(globalConfig, convertStr);
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- //TODO: 3.0
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- // 定义一个interface, 通过GlobalConfiguration获取
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- return convertStr;
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- }
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-
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- /**
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- * <p>
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- * SQL 查询所有表字段
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- * </p>
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- *
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- * @param table
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- * @param entityWrapper 是否为包装类型查询
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- * @return
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- */
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- protected String sqlSelectColumns(TableInfo table, boolean entityWrapper) {
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- StringBuilder columns = new StringBuilder();
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- if (null != table.getResultMap()) {
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- /*
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- * 存在 resultMap 映射返回
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- */
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- if (entityWrapper) {
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- columns.append("<choose><when test=\"ew != null and ew.sqlSelect != null\">${ew.sqlSelect}</when><otherwise>");
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- }
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- columns.append("*");
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- if (entityWrapper) {
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- columns.append("</otherwise></choose>");
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- }
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- } else {
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- /*
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- * 普通查询
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- */
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- if (entityWrapper) {
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- columns.append("<choose><when test=\"ew != null and ew.sqlSelect != null\">${ew.sqlSelect}</when><otherwise>");
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- }
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- List<TableFieldInfo> fieldList = table.getFieldList();
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- int size = 0;
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- if (null != fieldList) {
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- size = fieldList.size();
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- }
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-
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- // 主键处理
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- if (StringUtils.isNotEmpty(table.getKeyProperty())) {
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- if (table.isKeyRelated()) {
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- columns.append(table.getKeyColumn()).append(" AS ").append(sqlWordConvert(table.getKeyProperty()));
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- } else {
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- columns.append(sqlWordConvert(table.getKeyProperty()));
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- }
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- if (size >= 1) {
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- // 判断其余字段是否存在
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- columns.append(",");
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- }
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- }
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-
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- if (size >= 1) {
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- // 字段处理
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- int i = 0;
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- Iterator<TableFieldInfo> iterator = fieldList.iterator();
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- while (iterator.hasNext()) {
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- TableFieldInfo fieldInfo = iterator.next();
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- // 匹配转换内容
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- String wordConvert = sqlWordConvert(fieldInfo.getProperty());
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- if (fieldInfo.getColumn().equals(wordConvert)) {
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- columns.append(wordConvert);
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- } else {
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- // 字段属性不一致
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- columns.append(fieldInfo.getColumn());
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- columns.append(" AS ").append(wordConvert);
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- }
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- if (i + 1 < size) {
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- columns.append(",");
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- }
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- i++;
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- }
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- }
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- if (entityWrapper) {
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- columns.append("</otherwise></choose>");
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- }
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- }
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-
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- /*
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- * 返回所有查询字段内容
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- */
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- return columns.toString();
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- }
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-
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- /**
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- * <p>
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- * SQL 设置selectObj sqlselect
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- * </p>
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- *
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- * @param table 是否为包装类型查询
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- * @return
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- */
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- protected String sqlSelectObjsColumns(TableInfo table) {
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- StringBuilder columns = new StringBuilder();
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- /*
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- * 普通查询
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- */
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- columns.append("<choose><when test=\"ew != null and ew.sqlSelect != null\">${ew.sqlSelect}</when><otherwise>");
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- // 主键处理
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- if (StringUtils.isNotEmpty(table.getKeyProperty())) {
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- if (table.isKeyRelated()) {
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- columns.append(table.getKeyColumn()).append(" AS ").append(sqlWordConvert(table.getKeyProperty()));
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- } else {
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- columns.append(sqlWordConvert(table.getKeyProperty()));
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- }
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- } else {
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- // 表字段处理
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- List<TableFieldInfo> fieldList = table.getFieldList();
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- if (CollectionUtils.isNotEmpty(fieldList)) {
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- TableFieldInfo fieldInfo = fieldList.get(0);
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- // 匹配转换内容
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- String wordConvert = sqlWordConvert(fieldInfo.getProperty());
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- if (fieldInfo.getColumn().equals(wordConvert)) {
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- columns.append(wordConvert);
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- } else {
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- // 字段属性不一致
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- columns.append(fieldInfo.getColumn());
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- columns.append(" AS ").append(wordConvert);
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- }
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- }
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- }
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- columns.append("</otherwise></choose>");
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- return columns.toString();
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- }
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-
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- /**
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- * <p>
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- * SQL 查询条件
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- * </p>
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- */
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- protected String sqlWhere(TableInfo table) {
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- StringBuilder where = new StringBuilder();
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- where.append("\n<where>");
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- if (StringUtils.isNotEmpty(table.getKeyProperty())) {
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- where.append("\n<if test=\"ew.").append(table.getKeyProperty()).append("!=null\">\n");
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- where.append(table.getKeyColumn()).append("=#{ew.").append(table.getKeyProperty()).append("}");
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- where.append("\n</if>");
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- }
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- List<TableFieldInfo> fieldList = table.getFieldList();
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- for (TableFieldInfo fieldInfo : fieldList) {
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- where.append(convertIfTag(fieldInfo, "ew.", false));
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- where.append(" AND ").append(this.sqlCondition(fieldInfo.getCondition(),
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- fieldInfo.getColumn(), "ew." + fieldInfo.getEl()));
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- where.append(convertIfTag(fieldInfo, true));
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- }
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- where.append("\n</where>");
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- return where.toString();
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- }
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-
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- /**
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- * <p>
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- * SQL map 查询条件
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- * </p>
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- */
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- protected String sqlWhereByMap(TableInfo table) {
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- StringBuilder where = new StringBuilder();
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- where.append("\n<if test=\"cm!=null and !cm.isEmpty\">");
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- where.append("\n<where>");
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- where.append("\n<foreach collection=\"cm.keys\" item=\"k\" separator=\"AND\">");
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- where.append("\n<if test=\"cm[k] != null\">");
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- //TODO: 3.0
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- where.append("\n").append(this.getGlobalConfig().getReservedWordsHandler().convert(getGlobalConfig(), "${k}")).append(" = #{cm[${k}]}");
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-// where.append("\n").append(SqlReservedWords.convert(getGlobalConfig(), "${k}")).append(" = #{cm[${k}]}");
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- where.append("\n</if>");
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- where.append("\n</foreach>");
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- where.append("\n</where>");
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- where.append("\n</if>");
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- return where.toString();
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- }
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-
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- /**
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- * <p>
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- * IF 条件转换方法
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- * </p>
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- *
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- * @param ignored 允许忽略
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- * @param fieldInfo 字段信息
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- * @param prefix 条件前缀
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- * @param close 是否闭合标签
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- * @return
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- */
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- protected String convertIfTag(boolean ignored, TableFieldInfo fieldInfo, String prefix, boolean close) {
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- /** 忽略策略 */
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- FieldStrategy fieldStrategy = fieldInfo.getFieldStrategy();
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- if (fieldStrategy == FieldStrategy.IGNORED) {
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- if (ignored) {
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- return "";
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- }
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- // 查询策略，使用全局策略
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- fieldStrategy = this.getGlobalConfig().getFieldStrategy();
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- }
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-
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- // 关闭标签
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- if (close) {
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- return "</if>";
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- }
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-
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- /** 前缀处理 */
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- String property = fieldInfo.getProperty();
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- Class propertyType = fieldInfo.getPropertyType();
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- property = StringUtils.removeIsPrefixIfBoolean(property, propertyType);
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- if (null != prefix) {
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- property = prefix + property;
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- }
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- // 验证逻辑
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- if (fieldStrategy == FieldStrategy.NOT_EMPTY) {
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- if (StringUtils.isCharSequence(propertyType)) {
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- return String.format("\n\t<if test=\"%s!=null and %s!=''\">", property, property);
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- } else {
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- return String.format("\n\t<if test=\"%s!=null \">", property);
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- }
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- } else {
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- // FieldStrategy.NOT_NULL
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- return String.format("\n\t<if test=\"%s!=null\">", property);
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- }
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- }
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-
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-
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- protected String convertIfTagIgnored(TableFieldInfo fieldInfo, boolean close) {
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- return convertIfTag(true, fieldInfo, null, close);
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- }
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-
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-
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- protected String convertIfTag(TableFieldInfo fieldInfo, String prefix, boolean close) {
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- return convertIfTag(false, fieldInfo, prefix, close);
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|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- protected String convertIfTag(TableFieldInfo fieldInfo, boolean close) {
|
|
|
- return convertIfTag(fieldInfo, null, close);
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * <p>
|
|
|
- * Sql 运算条件
|
|
|
- * </p>
|
|
|
- */
|
|
|
- protected String sqlCondition(String condition, String column, String property) {
|
|
|
- return String.format(condition, column, property);
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * <p>
|
|
|
- * EntityWrapper方式获取select where
|
|
|
- * </p>
|
|
|
- *
|
|
|
- * @param table 表信息
|
|
|
- * @return String
|
|
|
- */
|
|
|
- protected String sqlWhereEntityWrapper(TableInfo table) {
|
|
|
- StringBuilder where = new StringBuilder(128);
|
|
|
- where.append("\n<where>");
|
|
|
- where.append("\n<if test=\"ew!=null\">");
|
|
|
- where.append("\n<if test=\"ew.entity!=null\">");
|
|
|
- if (StringUtils.isNotEmpty(table.getKeyProperty())) {
|
|
|
- where.append("\n<if test=\"ew.entity.").append(table.getKeyProperty()).append("!=null\">\n");
|
|
|
- where.append(table.getKeyColumn()).append("=#{ew.entity.").append(table.getKeyProperty()).append("}");
|
|
|
- where.append("\n</if>");
|
|
|
- }
|
|
|
- List<TableFieldInfo> fieldList = table.getFieldList();
|
|
|
- for (TableFieldInfo fieldInfo : fieldList) {
|
|
|
- where.append(convertIfTag(fieldInfo, "ew.entity.", false));
|
|
|
- where.append(" AND ").append(this.sqlCondition(fieldInfo.getCondition(),
|
|
|
- fieldInfo.getColumn(), "ew.entity." + fieldInfo.getEl()));
|
|
|
- where.append(convertIfTag(fieldInfo, true));
|
|
|
- }
|
|
|
- where.append("\n</if>");
|
|
|
- where.append("\n<if test=\"ew!=null and ew.sqlSegment!=null and ew.notEmptyOfWhere\">\n${ew.sqlSegment}\n</if>");
|
|
|
- where.append("\n</if>");
|
|
|
- where.append("\n</where>");
|
|
|
- where.append("\n<if test=\"ew!=null and ew.sqlSegment!=null and ew.emptyOfWhere\">\n${ew.sqlSegment}\n</if>");
|
|
|
- return where.toString();
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 查询
|
|
|
- */
|
|
|
- protected MappedStatement addSelectMappedStatement(Class<?> mapperClass, String id, SqlSource sqlSource, Class<?> resultType,
|
|
|
- TableInfo table) {
|
|
|
- if (null != table) {
|
|
|
- String resultMap = table.getResultMap();
|
|
|
- if (null != resultMap) {
|
|
|
- /** 返回 resultMap 映射结果集 */
|
|
|
- return this.addMappedStatement(mapperClass, id, sqlSource, SqlCommandType.SELECT, null, resultMap, null,
|
|
|
- new NoKeyGenerator(), null, null);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- /** 普通查询 */
|
|
|
- return this.addMappedStatement(mapperClass, id, sqlSource, SqlCommandType.SELECT, null, null, resultType,
|
|
|
- new NoKeyGenerator(), null, null);
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 插入
|
|
|
- */
|
|
|
- protected MappedStatement addInsertMappedStatement(Class<?> mapperClass, Class<?> modelClass, String id, SqlSource sqlSource,
|
|
|
- KeyGenerator keyGenerator, String keyProperty, String keyColumn) {
|
|
|
- return this.addMappedStatement(mapperClass, id, sqlSource, SqlCommandType.INSERT, modelClass, null, Integer.class,
|
|
|
- keyGenerator, keyProperty, keyColumn);
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 删除
|
|
|
- */
|
|
|
- protected MappedStatement addDeleteMappedStatement(Class<?> mapperClass, String id, SqlSource sqlSource) {
|
|
|
- return this.addMappedStatement(mapperClass, id, sqlSource, SqlCommandType.DELETE, null, null, Integer.class,
|
|
|
- new NoKeyGenerator(), null, null);
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 更新
|
|
|
- */
|
|
|
- public MappedStatement addUpdateMappedStatement(Class<?> mapperClass, Class<?> modelClass, String id, SqlSource sqlSource) {
|
|
|
- return this.addMappedStatement(mapperClass, id, sqlSource, SqlCommandType.UPDATE, modelClass, null, Integer.class,
|
|
|
- new NoKeyGenerator(), null, null);
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 添加 MappedStatement 到 Mybatis 容器
|
|
|
- */
|
|
|
- protected MappedStatement addMappedStatement(Class<?> mapperClass, String id, SqlSource sqlSource,
|
|
|
- SqlCommandType sqlCommandType, Class<?> parameterClass, String resultMap, Class<?> resultType,
|
|
|
- KeyGenerator keyGenerator, String keyProperty, String keyColumn) {
|
|
|
- String statementName = mapperClass.getName() + "." + id;
|
|
|
- if (hasMappedStatement(statementName)) {
|
|
|
- System.err.println("{" + statementName + "} Has been loaded by XML or SqlProvider, ignoring the injection of the SQL.");
|
|
|
- return null;
|
|
|
- }
|
|
|
- /** 缓存逻辑处理 */
|
|
|
- boolean isSelect = false;
|
|
|
- if (sqlCommandType == SqlCommandType.SELECT) {
|
|
|
- isSelect = true;
|
|
|
- }
|
|
|
- return builderAssistant.addMappedStatement(id, sqlSource, StatementType.PREPARED, sqlCommandType, null, null, null,
|
|
|
- parameterClass, resultMap, resultType, null, !isSelect, isSelect, false, keyGenerator, keyProperty, keyColumn,
|
|
|
- configuration.getDatabaseId(), languageDriver, null);
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * <p>
|
|
|
- * 全局配置
|
|
|
- * </p>
|
|
|
- */
|
|
|
- protected GlobalConfiguration getGlobalConfig() {
|
|
|
- return GlobalConfigUtils.getGlobalConfig(configuration);
|
|
|
- }
|
|
|
-
|
|
|
-
|
|
|
- /**
|
|
|
- * 注入自定义 MappedStatement
|
|
|
- */
|
|
|
- abstract MappedStatement injectMappedStatement(Class<?> mapperClass, Class<?> modelClass, TableInfo tableInfo);
|
|
|
-
|
|
|
-}
|
hubin