组装Mybatis Plus 查询条件添加排除条件
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@ -19,57 +19,66 @@ import java.util.Map;
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@Slf4j
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public class QueryGenerator {
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public static final String SQL_RULES_COLUMN = "SQL_RULES_COLUMN";
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public static final String SQL_RULES_COLUMN = "SQL_RULES_COLUMN";
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private static final String BEGIN = "_begin";
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private static final String END = "_end";
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private static final String STAR = "*";
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private static final String COMMA = ",";
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private static final String NOT_EQUAL = "!";
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/**高级查询前端传来的参数名*/
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private static final String SUPER_QUERY_PARAMS = "superQueryParams";
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private static final String BEGIN = "_begin";
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private static final String END = "_end";
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private static final String STAR = "*";
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private static final String COMMA = ",";
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private static final String NOT_EQUAL = "!";
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/**
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* 高级查询前端传来的参数名
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*/
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private static final String SUPER_QUERY_PARAMS = "superQueryParams";
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/**排序列*/
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private static final String ORDER_COLUMN = "column";
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/**排序方式*/
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private static final String ORDER_TYPE = "order";
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private static final String ORDER_TYPE_ASC = "ASC";
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/**
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* 排序列
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*/
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private static final String ORDER_COLUMN = "column";
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/**
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* 排序方式
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*/
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private static final String ORDER_TYPE = "order";
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private static final String ORDER_TYPE_ASC = "ASC";
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/**时间格式化 */
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private static final ThreadLocal<SimpleDateFormat> local = new ThreadLocal<SimpleDateFormat>();
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private static SimpleDateFormat getTime(){
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SimpleDateFormat time = local.get();
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if(time == null){
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time = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
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local.set(time);
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}
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return time;
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}
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/**
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* 时间格式化
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*/
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private static final ThreadLocal<SimpleDateFormat> local = new ThreadLocal<SimpleDateFormat>();
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/**
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* 获取查询条件构造器QueryWrapper实例 通用查询条件已被封装完成
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* @param searchObj 查询实体
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* @param parameterMap request.getParameterMap()
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* @return QueryWrapper实例
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*/
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public static <T> QueryWrapper<T> initQueryWrapper(T searchObj, Map<String, String[]> parameterMap){
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long start = System.currentTimeMillis();
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QueryWrapper<T> queryWrapper = new QueryWrapper<T>();
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installMplus(queryWrapper, searchObj, parameterMap);
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log.info("---查询条件构造器初始化完成,耗时:"+(System.currentTimeMillis()-start)+"毫秒----");
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return queryWrapper;
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}
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private static SimpleDateFormat getTime() {
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SimpleDateFormat time = local.get();
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if (time == null) {
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time = new SimpleDateFormat("yyyy-MM-dd hh:mm:ss");
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local.set(time);
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}
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return time;
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}
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/**
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* 组装Mybatis Plus 查询条件
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* <p>使用此方法 需要有如下几点注意:
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* <br>1.使用QueryWrapper 而非LambdaQueryWrapper;
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* <br>2.实例化QueryWrapper时不可将实体传入参数
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* <br>错误示例:如QueryWrapper<JeecgDemo> queryWrapper = new QueryWrapper<JeecgDemo>(jeecgDemo);
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* <br>正确示例:QueryWrapper<JeecgDemo> queryWrapper = new QueryWrapper<JeecgDemo>();
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* <br>3.也可以不使用这个方法直接调用 {@link #initQueryWrapper}直接获取实例
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*/
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public static void installMplus(QueryWrapper<?> queryWrapper, Object searchObj, Map<String, String[]> parameterMap) {
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/**
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* 获取查询条件构造器QueryWrapper实例 通用查询条件已被封装完成
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*
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* @param searchObj 查询实体
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* @param parameterMap request.getParameterMap()
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* @return QueryWrapper实例
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*/
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public static <T> QueryWrapper<T> initQueryWrapper(T searchObj, Map<String, String[]> parameterMap) {
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long start = System.currentTimeMillis();
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QueryWrapper<T> queryWrapper = new QueryWrapper<T>();
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installMplus(queryWrapper, searchObj, parameterMap);
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log.info("---查询条件构造器初始化完成,耗时:" + (System.currentTimeMillis() - start) + "毫秒----");
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return queryWrapper;
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}
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/**
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* 组装Mybatis Plus 查询条件
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*
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* @param queryWrapper
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* @param searchObj
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* @param parameterMap
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* @param excludeFields 排除属性
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*/
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public static void installMplus(QueryWrapper<?> queryWrapper, Object searchObj, Map<String, String[]> parameterMap, List<String> excludeFields) {
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/*
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* 注意:权限查询由前端配置数据规则 当一个人有多个所属部门时候 可以在规则配置包含条件 orgCode 包含 #{sys_org_code}
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@ -77,314 +86,392 @@ public class QueryGenerator {
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当一个人只有一个部门 就直接配置等于条件: orgCode 等于 #{sys_org_code} 或者配置自定义SQL: orgCode = '#{sys_org_code}'
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*/
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//区间条件组装 模糊查询 高级查询组装 简单排序 权限查询
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PropertyDescriptor origDescriptors[] = PropertyUtils.getPropertyDescriptors(searchObj);
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//区间条件组装 模糊查询 高级查询组装 简单排序 权限查询
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PropertyDescriptor origDescriptors[] = PropertyUtils.getPropertyDescriptors(searchObj);
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String name, type;
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for (int i = 0; i < origDescriptors.length; i++) {
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//aliasName = origDescriptors[i].getName(); mybatis 不存在实体属性 不用处理别名的情况
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name = origDescriptors[i].getName();
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type = origDescriptors[i].getPropertyType().toString();
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try {
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if (judgedIsUselessField(name)|| !PropertyUtils.isReadable(searchObj, name)) {
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continue;
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}
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String name, type;
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for (int i = 0; i < origDescriptors.length; i++) {
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//aliasName = origDescriptors[i].getName(); mybatis 不存在实体属性 不用处理别名的情况
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name = origDescriptors[i].getName();
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type = origDescriptors[i].getPropertyType().toString();
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try {
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if (judgedIsUselessField(name) || !PropertyUtils.isReadable(searchObj, name) || (excludeFields != null && excludeFields.contains(name))) {
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continue;
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}
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// 添加 判断是否有区间值
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String endValue = null,beginValue = null;
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if (parameterMap != null && parameterMap.containsKey(name + BEGIN)) {
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beginValue = parameterMap.get(name + BEGIN)[0].trim();
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addQueryByRule(queryWrapper, name, type, beginValue, QueryRuleEnum.GE);
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// 添加 判断是否有区间值
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String endValue = null, beginValue = null;
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if (parameterMap != null && parameterMap.containsKey(name + BEGIN)) {
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beginValue = parameterMap.get(name + BEGIN)[0].trim();
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addQueryByRule(queryWrapper, name, type, beginValue, QueryRuleEnum.GE);
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}
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if (parameterMap != null && parameterMap.containsKey(name + END)) {
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endValue = parameterMap.get(name + END)[0].trim();
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addQueryByRule(queryWrapper, name, type, endValue, QueryRuleEnum.LE);
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}
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}
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if (parameterMap != null && parameterMap.containsKey(name + END)) {
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endValue = parameterMap.get(name + END)[0].trim();
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addQueryByRule(queryWrapper, name, type, endValue, QueryRuleEnum.LE);
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}
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//判断单值 参数带不同标识字符串 走不同的查询
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//TODO 这种前后带逗号的支持分割后模糊查询需要否 使多选字段的查询生效
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Object value = PropertyUtils.getSimpleProperty(searchObj, name);
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if (null != value && value.toString().startsWith(COMMA) && value.toString().endsWith(COMMA)) {
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String multiLikeval = value.toString().replace(",,", COMMA);
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String[] vals = multiLikeval.substring(1, multiLikeval.length()).split(COMMA);
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final String field = oConvertUtils.camelToUnderline(name);
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if(vals.length>1) {
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queryWrapper.and(j -> {
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j = j.like(field,vals[0]);
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for (int k=1;k<vals.length;k++) {
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j = j.or().like(field,vals[k]);
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}
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//return j;
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});
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}else {
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queryWrapper.and(j -> j.like(field,vals[0]));
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}
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}else {
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//根据参数值带什么关键字符串判断走什么类型的查询
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QueryRuleEnum rule = convert2Rule(value);
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value = replaceValue(rule,value);
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addEasyQuery(queryWrapper, name, rule, value);
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}
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//判断单值 参数带不同标识字符串 走不同的查询
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//TODO 这种前后带逗号的支持分割后模糊查询需要否 使多选字段的查询生效
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Object value = PropertyUtils.getSimpleProperty(searchObj, name);
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if (null != value && value.toString().startsWith(COMMA) && value.toString().endsWith(COMMA)) {
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String multiLikeval = value.toString().replace(",,", COMMA);
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String[] vals = multiLikeval.substring(1, multiLikeval.length()).split(COMMA);
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final String field = oConvertUtils.camelToUnderline(name);
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if (vals.length > 1) {
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queryWrapper.and(j -> {
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j = j.like(field, vals[0]);
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for (int k = 1; k < vals.length; k++) {
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j = j.or().like(field, vals[k]);
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}
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//return j;
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});
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} else {
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queryWrapper.and(j -> j.like(field, vals[0]));
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}
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} else {
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//根据参数值带什么关键字符串判断走什么类型的查询
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QueryRuleEnum rule = convert2Rule(value);
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value = replaceValue(rule, value);
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addEasyQuery(queryWrapper, name, rule, value);
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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// 排序逻辑 处理
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doMultiFieldsOrder(queryWrapper, parameterMap);
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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// 排序逻辑 处理
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doMultiFieldsOrder(queryWrapper, parameterMap);
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//高级查询
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doSuperQuery(queryWrapper, parameterMap);
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//高级查询
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doSuperQuery(queryWrapper, parameterMap);
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}
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}
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/**
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* 组装Mybatis Plus 查询条件
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* <p>使用此方法 需要有如下几点注意:
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* <br>1.使用QueryWrapper 而非LambdaQueryWrapper;
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* <br>2.实例化QueryWrapper时不可将实体传入参数
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* <br>错误示例:如QueryWrapper<JeecgDemo> queryWrapper = new QueryWrapper<JeecgDemo>(jeecgDemo);
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* <br>正确示例:QueryWrapper<JeecgDemo> queryWrapper = new QueryWrapper<JeecgDemo>();
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* <br>3.也可以不使用这个方法直接调用 {@link #initQueryWrapper}直接获取实例
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*/
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public static void installMplus(QueryWrapper<?> queryWrapper, Object searchObj, Map<String, String[]> parameterMap) {
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//多字段排序 TODO 需要修改前端
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public static void doMultiFieldsOrder(QueryWrapper<?> queryWrapper, Map<String, String[]> parameterMap) {
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String column=null,order=null;
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if(parameterMap!=null&& parameterMap.containsKey(ORDER_COLUMN)) {
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column = parameterMap.get(ORDER_COLUMN)[0];
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}
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if(parameterMap!=null&& parameterMap.containsKey(ORDER_TYPE)) {
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order = parameterMap.get(ORDER_TYPE)[0];
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}
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log.info("排序规则>>列:"+column+",排序方式:"+order);
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if (oConvertUtils.isNotEmpty(column) && oConvertUtils.isNotEmpty(order)) {
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if (order.toUpperCase().indexOf(ORDER_TYPE_ASC)>=0) {
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queryWrapper.orderByAsc(oConvertUtils.camelToUnderline(column));
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} else {
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queryWrapper.orderByDesc(oConvertUtils.camelToUnderline(column));
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}
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}
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}
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/*
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* 注意:权限查询由前端配置数据规则 当一个人有多个所属部门时候 可以在规则配置包含条件 orgCode 包含 #{sys_org_code}
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但是不支持在自定义SQL中写orgCode in #{sys_org_code}
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当一个人只有一个部门 就直接配置等于条件: orgCode 等于 #{sys_org_code} 或者配置自定义SQL: orgCode = '#{sys_org_code}'
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*/
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/**
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* 高级查询
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* @param queryWrapper
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* @param parameterMap
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*/
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public static void doSuperQuery(QueryWrapper<?> queryWrapper, Map<String, String[]> parameterMap) {
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if(parameterMap!=null&& parameterMap.containsKey(SUPER_QUERY_PARAMS)){
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String superQueryParams = parameterMap.get(SUPER_QUERY_PARAMS)[0];
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// 解码
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try {
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superQueryParams = URLDecoder.decode(superQueryParams, "UTF-8");
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} catch (UnsupportedEncodingException e) {
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log.error("--高级查询参数转码失败!");
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e.printStackTrace();
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}
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List<QueryCondition> conditions = JSON.parseArray(superQueryParams, QueryCondition.class);
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log.info("---高级查询参数-->"+conditions.toString());
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for (QueryCondition rule : conditions) {
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if(oConvertUtils.isNotEmpty(rule.getField()) && oConvertUtils.isNotEmpty(rule.getRule()) && oConvertUtils.isNotEmpty(rule.getVal())){
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addEasyQuery(queryWrapper, rule.getField(), QueryRuleEnum.getByValue(rule.getRule()), rule.getVal());
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}
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}
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}
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}
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/**
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* 根据所传的值 转化成对应的比较方式
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* 支持><= like in !
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* @param value
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* @return
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*/
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private static QueryRuleEnum convert2Rule(Object value) {
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// 避免空数据
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if (value == null) {
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return null;
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}
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String val = (value + "").toString().trim();
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if (val.length() == 0) {
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return null;
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}
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// step 1 .> <
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QueryRuleEnum rule = QueryRuleEnum.getByValue(val.substring(0, 1));
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// step 2 .>= =<
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if (rule == null && val.length() >= 2) {
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rule = QueryRuleEnum.getByValue(val.substring(0, 2));
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}
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// step 3 like
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if (rule == null && val.contains(STAR)) {
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if (val.startsWith(STAR) && val.endsWith(STAR)) {
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rule = QueryRuleEnum.LIKE;
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} else if (val.startsWith(STAR)) {
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rule = QueryRuleEnum.LEFT_LIKE;
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} else if(val.endsWith(STAR)){
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rule = QueryRuleEnum.RIGHT_LIKE;
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}
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}
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// step 4 in
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if (rule == null && val.contains(COMMA)) {
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//TODO in 查询这里应该有个bug 如果一字段本身就是多选 此时用in查询 未必能查询出来
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rule = QueryRuleEnum.IN;
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}
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// step 5 !=
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if(rule == null && val.startsWith(NOT_EQUAL)){
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rule = QueryRuleEnum.NE;
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}
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return rule != null ? rule : QueryRuleEnum.EQ;
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}
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/**
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* 替换掉关键字字符
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*
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* @param rule
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* @param value
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* @return
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*/
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private static Object replaceValue(QueryRuleEnum rule, Object value) {
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if (rule == null) {
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return null;
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}
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if (! (value instanceof String)){
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return value;
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}
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String val = (value + "").toString().trim();
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if (rule == QueryRuleEnum.LIKE) {
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value = val.substring(1, val.length() - 1);
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} else if (rule == QueryRuleEnum.LEFT_LIKE || rule == QueryRuleEnum.NE) {
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value = val.substring(1);
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} else if (rule == QueryRuleEnum.RIGHT_LIKE) {
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value = val.substring(0, val.length() - 1);
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} else if (rule == QueryRuleEnum.IN) {
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value = val.split(",");
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} else {
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value = val.replace(rule.getValue(),"");
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}
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return value;
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}
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private static void addQueryByRule(QueryWrapper<?> queryWrapper, String name, String type, String value, QueryRuleEnum rule) throws ParseException {
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if(!"".equals(value)) {
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Object temp;
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switch (type) {
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case "class java.lang.Integer":
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temp = Integer.parseInt(value);
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break;
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case "class java.math.BigDecimal":
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temp = new BigDecimal(value);
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break;
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case "class java.lang.Short":
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temp = Short.parseShort(value);
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break;
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case "class java.lang.Long":
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temp = Long.parseLong(value);
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break;
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case "class java.lang.Float":
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temp = Float.parseFloat(value);
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break;
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case "class java.lang.Double":
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temp = Double.parseDouble(value);
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break;
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case "class java.util.Date":
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temp = getDateQueryByRule(value, rule);
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break;
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default:
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temp = value;
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break;
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}
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addEasyQuery(queryWrapper, name, rule, temp);
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}
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}
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/**
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* 获取日期类型的值
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* @param value
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* @param rule
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* @return
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* @throws ParseException
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*/
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private static Date getDateQueryByRule(String value,QueryRuleEnum rule) throws ParseException {
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Date date = null;
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if(value.length()==10) {
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if(rule==QueryRuleEnum.GE) {
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//比较大于
|
||||
date = getTime().parse(value + " 00:00:00");
|
||||
}else if(rule==QueryRuleEnum.LE) {
|
||||
//比较小于
|
||||
date = getTime().parse(value + " 23:59:59");
|
||||
}
|
||||
//TODO 日期类型比较特殊 可能oracle下不一定好使
|
||||
}
|
||||
if(date==null) {
|
||||
date = getTime().parse(value);
|
||||
}
|
||||
return date;
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据规则走不同的查询
|
||||
* @param queryWrapper QueryWrapper
|
||||
* @param name 字段名字
|
||||
* @param rule 查询规则
|
||||
* @param value 查询条件值
|
||||
*/
|
||||
private static void addEasyQuery(QueryWrapper<?> queryWrapper, String name, QueryRuleEnum rule, Object value) {
|
||||
if (value == null || rule == null) {
|
||||
return;
|
||||
}
|
||||
name = oConvertUtils.camelToUnderline(name);
|
||||
log.info("--查询规则-->"+name+" "+rule.getValue()+" "+value);
|
||||
switch (rule) {
|
||||
case GT:
|
||||
queryWrapper.gt(name, value);
|
||||
break;
|
||||
case GE:
|
||||
queryWrapper.ge(name, value);
|
||||
break;
|
||||
case LT:
|
||||
queryWrapper.lt(name, value);
|
||||
break;
|
||||
case LE:
|
||||
queryWrapper.le(name, value);
|
||||
break;
|
||||
case EQ:
|
||||
queryWrapper.eq(name, value);
|
||||
break;
|
||||
case NE:
|
||||
queryWrapper.ne(name, value);
|
||||
break;
|
||||
case IN:
|
||||
if(value instanceof String) {
|
||||
queryWrapper.in(name, (Object[])value.toString().split(","));
|
||||
}else if(value instanceof String[]) {
|
||||
queryWrapper.in(name, (Object[]) value);
|
||||
}else {
|
||||
queryWrapper.in(name, value);
|
||||
}
|
||||
break;
|
||||
case LIKE:
|
||||
queryWrapper.like(name, value);
|
||||
break;
|
||||
case LEFT_LIKE:
|
||||
queryWrapper.likeLeft(name, value);
|
||||
break;
|
||||
case RIGHT_LIKE:
|
||||
queryWrapper.likeRight(name, value);
|
||||
break;
|
||||
default:
|
||||
log.info("--查询规则未匹配到---");
|
||||
break;
|
||||
}
|
||||
}
|
||||
/**
|
||||
*
|
||||
* @param name
|
||||
* @return
|
||||
*/
|
||||
private static boolean judgedIsUselessField(String name) {
|
||||
return "class".equals(name) || "ids".equals(name)
|
||||
|| "page".equals(name) || "rows".equals(name)
|
||||
|| "sort".equals(name) || "order".equals(name);
|
||||
}
|
||||
//区间条件组装 模糊查询 高级查询组装 简单排序 权限查询
|
||||
PropertyDescriptor origDescriptors[] = PropertyUtils.getPropertyDescriptors(searchObj);
|
||||
|
||||
|
||||
String name, type;
|
||||
for (int i = 0; i < origDescriptors.length; i++) {
|
||||
//aliasName = origDescriptors[i].getName(); mybatis 不存在实体属性 不用处理别名的情况
|
||||
name = origDescriptors[i].getName();
|
||||
type = origDescriptors[i].getPropertyType().toString();
|
||||
try {
|
||||
if (judgedIsUselessField(name) || !PropertyUtils.isReadable(searchObj, name)) {
|
||||
continue;
|
||||
}
|
||||
|
||||
// 添加 判断是否有区间值
|
||||
String endValue = null, beginValue = null;
|
||||
if (parameterMap != null && parameterMap.containsKey(name + BEGIN)) {
|
||||
beginValue = parameterMap.get(name + BEGIN)[0].trim();
|
||||
addQueryByRule(queryWrapper, name, type, beginValue, QueryRuleEnum.GE);
|
||||
|
||||
}
|
||||
if (parameterMap != null && parameterMap.containsKey(name + END)) {
|
||||
endValue = parameterMap.get(name + END)[0].trim();
|
||||
addQueryByRule(queryWrapper, name, type, endValue, QueryRuleEnum.LE);
|
||||
}
|
||||
|
||||
//判断单值 参数带不同标识字符串 走不同的查询
|
||||
//TODO 这种前后带逗号的支持分割后模糊查询需要否 使多选字段的查询生效
|
||||
Object value = PropertyUtils.getSimpleProperty(searchObj, name);
|
||||
if (null != value && value.toString().startsWith(COMMA) && value.toString().endsWith(COMMA)) {
|
||||
String multiLikeval = value.toString().replace(",,", COMMA);
|
||||
String[] vals = multiLikeval.substring(1, multiLikeval.length()).split(COMMA);
|
||||
final String field = oConvertUtils.camelToUnderline(name);
|
||||
if (vals.length > 1) {
|
||||
queryWrapper.and(j -> {
|
||||
j = j.like(field, vals[0]);
|
||||
for (int k = 1; k < vals.length; k++) {
|
||||
j = j.or().like(field, vals[k]);
|
||||
}
|
||||
//return j;
|
||||
});
|
||||
} else {
|
||||
queryWrapper.and(j -> j.like(field, vals[0]));
|
||||
}
|
||||
} else {
|
||||
//根据参数值带什么关键字符串判断走什么类型的查询
|
||||
QueryRuleEnum rule = convert2Rule(value);
|
||||
value = replaceValue(rule, value);
|
||||
addEasyQuery(queryWrapper, name, rule, value);
|
||||
}
|
||||
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
// 排序逻辑 处理
|
||||
doMultiFieldsOrder(queryWrapper, parameterMap);
|
||||
|
||||
//高级查询
|
||||
doSuperQuery(queryWrapper, parameterMap);
|
||||
|
||||
}
|
||||
|
||||
//多字段排序 TODO 需要修改前端
|
||||
public static void doMultiFieldsOrder(QueryWrapper<?> queryWrapper, Map<String, String[]> parameterMap) {
|
||||
String column = null, order = null;
|
||||
if (parameterMap != null && parameterMap.containsKey(ORDER_COLUMN)) {
|
||||
column = parameterMap.get(ORDER_COLUMN)[0];
|
||||
}
|
||||
if (parameterMap != null && parameterMap.containsKey(ORDER_TYPE)) {
|
||||
order = parameterMap.get(ORDER_TYPE)[0];
|
||||
}
|
||||
log.info("排序规则>>列:" + column + ",排序方式:" + order);
|
||||
if (oConvertUtils.isNotEmpty(column) && oConvertUtils.isNotEmpty(order)) {
|
||||
if (order.toUpperCase().indexOf(ORDER_TYPE_ASC) >= 0) {
|
||||
queryWrapper.orderByAsc(oConvertUtils.camelToUnderline(column));
|
||||
} else {
|
||||
queryWrapper.orderByDesc(oConvertUtils.camelToUnderline(column));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 高级查询
|
||||
*
|
||||
* @param queryWrapper
|
||||
* @param parameterMap
|
||||
*/
|
||||
public static void doSuperQuery(QueryWrapper<?> queryWrapper, Map<String, String[]> parameterMap) {
|
||||
if (parameterMap != null && parameterMap.containsKey(SUPER_QUERY_PARAMS)) {
|
||||
String superQueryParams = parameterMap.get(SUPER_QUERY_PARAMS)[0];
|
||||
// 解码
|
||||
try {
|
||||
superQueryParams = URLDecoder.decode(superQueryParams, "UTF-8");
|
||||
} catch (UnsupportedEncodingException e) {
|
||||
log.error("--高级查询参数转码失败!");
|
||||
e.printStackTrace();
|
||||
}
|
||||
List<QueryCondition> conditions = JSON.parseArray(superQueryParams, QueryCondition.class);
|
||||
log.info("---高级查询参数-->" + conditions.toString());
|
||||
|
||||
for (QueryCondition rule : conditions) {
|
||||
if (oConvertUtils.isNotEmpty(rule.getField()) && oConvertUtils.isNotEmpty(rule.getRule()) && oConvertUtils.isNotEmpty(rule.getVal())) {
|
||||
addEasyQuery(queryWrapper, rule.getField(), QueryRuleEnum.getByValue(rule.getRule()), rule.getVal());
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据所传的值 转化成对应的比较方式
|
||||
* 支持><= like in !
|
||||
*
|
||||
* @param value
|
||||
* @return
|
||||
*/
|
||||
private static QueryRuleEnum convert2Rule(Object value) {
|
||||
// 避免空数据
|
||||
if (value == null) {
|
||||
return null;
|
||||
}
|
||||
String val = (value + "").toString().trim();
|
||||
if (val.length() == 0) {
|
||||
return null;
|
||||
}
|
||||
// step 1 .> <
|
||||
QueryRuleEnum rule = QueryRuleEnum.getByValue(val.substring(0, 1));
|
||||
// step 2 .>= =<
|
||||
if (rule == null && val.length() >= 2) {
|
||||
rule = QueryRuleEnum.getByValue(val.substring(0, 2));
|
||||
}
|
||||
// step 3 like
|
||||
if (rule == null && val.contains(STAR)) {
|
||||
if (val.startsWith(STAR) && val.endsWith(STAR)) {
|
||||
rule = QueryRuleEnum.LIKE;
|
||||
} else if (val.startsWith(STAR)) {
|
||||
rule = QueryRuleEnum.LEFT_LIKE;
|
||||
} else if (val.endsWith(STAR)) {
|
||||
rule = QueryRuleEnum.RIGHT_LIKE;
|
||||
}
|
||||
}
|
||||
// step 4 in
|
||||
if (rule == null && val.contains(COMMA)) {
|
||||
//TODO in 查询这里应该有个bug 如果一字段本身就是多选 此时用in查询 未必能查询出来
|
||||
rule = QueryRuleEnum.IN;
|
||||
}
|
||||
// step 5 !=
|
||||
if (rule == null && val.startsWith(NOT_EQUAL)) {
|
||||
rule = QueryRuleEnum.NE;
|
||||
}
|
||||
return rule != null ? rule : QueryRuleEnum.EQ;
|
||||
}
|
||||
|
||||
/**
|
||||
* 替换掉关键字字符
|
||||
*
|
||||
* @param rule
|
||||
* @param value
|
||||
* @return
|
||||
*/
|
||||
private static Object replaceValue(QueryRuleEnum rule, Object value) {
|
||||
if (rule == null) {
|
||||
return null;
|
||||
}
|
||||
if (!(value instanceof String)) {
|
||||
return value;
|
||||
}
|
||||
String val = (value + "").toString().trim();
|
||||
if (rule == QueryRuleEnum.LIKE) {
|
||||
value = val.substring(1, val.length() - 1);
|
||||
} else if (rule == QueryRuleEnum.LEFT_LIKE || rule == QueryRuleEnum.NE) {
|
||||
value = val.substring(1);
|
||||
} else if (rule == QueryRuleEnum.RIGHT_LIKE) {
|
||||
value = val.substring(0, val.length() - 1);
|
||||
} else if (rule == QueryRuleEnum.IN) {
|
||||
value = val.split(",");
|
||||
} else {
|
||||
value = val.replace(rule.getValue(), "");
|
||||
}
|
||||
return value;
|
||||
}
|
||||
|
||||
private static void addQueryByRule(QueryWrapper<?> queryWrapper, String name, String type, String value, QueryRuleEnum rule) throws ParseException {
|
||||
if (!"".equals(value)) {
|
||||
Object temp;
|
||||
switch (type) {
|
||||
case "class java.lang.Integer":
|
||||
temp = Integer.parseInt(value);
|
||||
break;
|
||||
case "class java.math.BigDecimal":
|
||||
temp = new BigDecimal(value);
|
||||
break;
|
||||
case "class java.lang.Short":
|
||||
temp = Short.parseShort(value);
|
||||
break;
|
||||
case "class java.lang.Long":
|
||||
temp = Long.parseLong(value);
|
||||
break;
|
||||
case "class java.lang.Float":
|
||||
temp = Float.parseFloat(value);
|
||||
break;
|
||||
case "class java.lang.Double":
|
||||
temp = Double.parseDouble(value);
|
||||
break;
|
||||
case "class java.util.Date":
|
||||
temp = getDateQueryByRule(value, rule);
|
||||
break;
|
||||
default:
|
||||
temp = value;
|
||||
break;
|
||||
}
|
||||
addEasyQuery(queryWrapper, name, rule, temp);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* 获取日期类型的值
|
||||
*
|
||||
* @param value
|
||||
* @param rule
|
||||
* @return
|
||||
* @throws ParseException
|
||||
*/
|
||||
private static Date getDateQueryByRule(String value, QueryRuleEnum rule) throws ParseException {
|
||||
Date date = null;
|
||||
if (value.length() == 10) {
|
||||
if (rule == QueryRuleEnum.GE) {
|
||||
//比较大于
|
||||
date = getTime().parse(value + " 00:00:00");
|
||||
} else if (rule == QueryRuleEnum.LE) {
|
||||
//比较小于
|
||||
date = getTime().parse(value + " 23:59:59");
|
||||
}
|
||||
//TODO 日期类型比较特殊 可能oracle下不一定好使
|
||||
}
|
||||
if (date == null) {
|
||||
date = getTime().parse(value);
|
||||
}
|
||||
return date;
|
||||
}
|
||||
|
||||
/**
|
||||
* 根据规则走不同的查询
|
||||
*
|
||||
* @param queryWrapper QueryWrapper
|
||||
* @param name 字段名字
|
||||
* @param rule 查询规则
|
||||
* @param value 查询条件值
|
||||
*/
|
||||
private static void addEasyQuery(QueryWrapper<?> queryWrapper, String name, QueryRuleEnum rule, Object value) {
|
||||
if (value == null || rule == null) {
|
||||
return;
|
||||
}
|
||||
name = oConvertUtils.camelToUnderline(name);
|
||||
log.info("--查询规则-->" + name + " " + rule.getValue() + " " + value);
|
||||
switch (rule) {
|
||||
case GT:
|
||||
queryWrapper.gt(name, value);
|
||||
break;
|
||||
case GE:
|
||||
queryWrapper.ge(name, value);
|
||||
break;
|
||||
case LT:
|
||||
queryWrapper.lt(name, value);
|
||||
break;
|
||||
case LE:
|
||||
queryWrapper.le(name, value);
|
||||
break;
|
||||
case EQ:
|
||||
queryWrapper.eq(name, value);
|
||||
break;
|
||||
case NE:
|
||||
queryWrapper.ne(name, value);
|
||||
break;
|
||||
case IN:
|
||||
if (value instanceof String) {
|
||||
queryWrapper.in(name, (Object[]) value.toString().split(","));
|
||||
} else if (value instanceof String[]) {
|
||||
queryWrapper.in(name, (Object[]) value);
|
||||
} else {
|
||||
queryWrapper.in(name, value);
|
||||
}
|
||||
break;
|
||||
case LIKE:
|
||||
queryWrapper.like(name, value);
|
||||
break;
|
||||
case LEFT_LIKE:
|
||||
queryWrapper.likeLeft(name, value);
|
||||
break;
|
||||
case RIGHT_LIKE:
|
||||
queryWrapper.likeRight(name, value);
|
||||
break;
|
||||
default:
|
||||
log.info("--查询规则未匹配到---");
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @param name
|
||||
* @return
|
||||
*/
|
||||
private static boolean judgedIsUselessField(String name) {
|
||||
return "class".equals(name) || "ids".equals(name)
|
||||
|| "page".equals(name) || "rows".equals(name)
|
||||
|| "sort".equals(name) || "order".equals(name);
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user