自定义查询条件和排序。

win-framework/win-spring-boot-starter-mybatis/src/main/java/com/win/framework/mybatis/core/util/QueryWrapperUtils.java

@@ -0,0 +1,83 @@
+package com.win.framework.mybatis.core.util;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.google.common.base.CaseFormat;
+import com.win.framework.mybatis.core.vo.ConditionVo;
+import com.win.framework.mybatis.core.vo.FilterVo;
+
+/**
+ * QueryWrapper工具类
+ */
+public class QueryWrapperUtils {
+
+    /**
+     * 根据参数动态组装QueryWrapper
+     * @param conditionVo filters {column: "userName", action: "==", value: "wenyin"} sorting userName DESC
+     * @param <T>
+     * @return
+     */
+    public static <T> QueryWrapper<T> structure(ConditionVo<T> conditionVo) {
+        QueryWrapper<T> queryWrapper = new QueryWrapper<>();
+        String sorting = conditionVo.getSort();
+        if(sorting != null && !sorting.equals("")) {
+            sorting = CaseFormat.LOWER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, sorting);
+            if(conditionVo.getBy() != null && conditionVo.getBy().equalsIgnoreCase("DESC")) {
+                queryWrapper.orderByDesc(sorting);
+            } else {
+                queryWrapper.orderByAsc(sorting);
+            }
+        }
+        if(conditionVo.getFilters() == null || conditionVo.getFilters().size() == 0) {
+            return queryWrapper;
+        }
+        for(FilterVo filterVo : conditionVo.getFilters()) {
+            String column = filterVo.getColumn();
+            column = CaseFormat.LOWER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, column);
+            switch (filterVo.getAction()) {
+                case "==" :
+                    queryWrapper.eq(column, filterVo.getValue());
+                    break;
+                case "!=" :
+                    queryWrapper.ne(column, filterVo.getValue());
+                    break;
+                case ">" :
+                    queryWrapper.gt(column, filterVo.getValue());
+                    break;
+                case "<" :
+                    queryWrapper.lt(column, filterVo.getValue());
+                    break;
+                case ">=" :
+                    queryWrapper.ge(column, filterVo.getValue());
+                    break;
+                case "<=" :
+                    queryWrapper.le(column, filterVo.getValue());
+                    break;
+                case "like" :
+                    queryWrapper.like(column, filterVo.getValue());
+                    break;
+                case "in" :
+                    queryWrapper.in(column, filterVo.getValue());
+                    break;
+                case "notin" :
+                    queryWrapper.notIn(column, filterVo.getValue());
+                    break;
+                case "betweeen" :
+                    String[] strs = filterVo.getValue().split(",");
+                    if(strs.length != 2) {
+                        continue;
+                    }
+                    queryWrapper.between(column, strs[0], strs[1]);
+                    break;
+                case "isNull" :
+                    queryWrapper.isNull(column);
+                    break;
+                case "isNotNull" :
+                    queryWrapper.isNotNull(column);
+                    break;
+                default:
+                    break;
+            }
+        }
+        return queryWrapper;
+    }
+}

win-framework/win-spring-boot-starter-mybatis/src/main/java/com/win/framework/mybatis/core/vo/ConditionVo.java

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+package com.win.framework.mybatis.core.vo;
+
+import com.win.framework.common.pojo.PageParam;
+import io.swagger.v3.oas.annotations.media.Schema;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.ToString;
+
+import java.util.List;
+
+/**
+ * 自定义查询条件
+ */
+@Schema(description = "自定义查询条件")
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+public class ConditionVo<T> extends PageParam {
+
+    /**
+     * 排序字段
+     */
+    private String sort;
+
+    /**
+     * 正序倒序
+     */
+    private String by;
+
+    /**
+     * 检索字段
+     */
+    private  List<FilterVo> filters;
+
+}

win-framework/win-spring-boot-starter-mybatis/src/main/java/com/win/framework/mybatis/core/vo/FilterVo.java

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+package com.win.framework.mybatis.core.vo;
+
+import lombok.Data;
+
+@Data
+public class FilterVo {
+
+    /**
+     * 类型,==,!=,>,<,>=,<=,like,in,notIn,betweeen,isNull,isNotNull
+     */
+    private String action;
+    /**
+     * 字段
+     */
+    private String column;
+    /**
+     * 值
+     */
+    private String value;
+
+}