1.0.0

common-utils/src/main/java/com/zq/common/utils/PagingUtils.java

 package com.zq.common.utils;
 package com.zq.common.utils;
 
 
 import cn.hutool.core.bean.BeanUtil;
 import cn.hutool.core.bean.BeanUtil;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
@@ -19,6 +20,15 @@ import java.util.function.Function;
  */
  */
 public abstract class PagingUtils {
 public abstract class PagingUtils {
 
 
+    /**
+     * pagehelper分页插件
+     *
+     * @param reqVo
+     * @param rowsLoader
+     * @param <R>
+     * @param <Q>
+     * @return
+     */
     @SuppressWarnings("all")
     @SuppressWarnings("all")
     public static <R, Q extends PageReqVo> PageVo<R> paging(Q reqVo, Function<Q, List<R>> rowsLoader) {
     public static <R, Q extends PageReqVo> PageVo<R> paging(Q reqVo, Function<Q, List<R>> rowsLoader) {
         PageHelper.startPage(reqVo.getPage(), reqVo.getSize());
         PageHelper.startPage(reqVo.getPage(), reqVo.getSize());
@@ -26,6 +36,16 @@ public abstract class PagingUtils {
         return PageVo.ofReqVo(reqVo, page.getResult(), Long.valueOf(page.getTotal()).intValue());
         return PageVo.ofReqVo(reqVo, page.getResult(), Long.valueOf(page.getTotal()).intValue());
     }
     }
 
 
+    /**
+     * mybatis-plus自带分页插件
+     *
+     * @param reqVo
+     * @param mapper
+     * @param clazz
+     * @param <R>
+     * @param <Q>
+     * @return
+     */
     public static <R, Q extends PageReqVo> PageVo<R> paging(Q reqVo, BaseMapper<R> mapper, Class<R> clazz) {
     public static <R, Q extends PageReqVo> PageVo<R> paging(Q reqVo, BaseMapper<R> mapper, Class<R> clazz) {
         R instance;
         R instance;
         try {
         try {
@@ -39,4 +59,45 @@ public abstract class PagingUtils {
         return PageVo.ofReqVo(reqVo, page.getRecords(), Long.valueOf(page.getTotal()).intValue());
         return PageVo.ofReqVo(reqVo, page.getRecords(), Long.valueOf(page.getTotal()).intValue());
     }
     }
 
 
+    /**
+     * mybatis-plus自带分页插件
+     *
+     * @param reqVo
+     * @param mapper
+     * @param clazz
+     * @param <R>
+     * @param <Q>
+     * @return
+     */
+    @SuppressWarnings("all")
+    public static <R, Q extends PageReqVo> PageVo<R> paging(Q reqVo, BaseMapper<R> mapper, LambdaQueryWrapper<R> lambdaQuery) {
+        IPage<R> page = new Page<>(reqVo.getPage(), reqVo.getSize());
+        page = mapper.selectPage(page, lambdaQuery);
+        return PageVo.ofReqVo(reqVo, page.getRecords(), Long.valueOf(page.getTotal()).intValue());
+    }
+
+    /**
+     * mybatis-plus自带分页插件
+     *
+     * @param reqVo
+     * @param mapper
+     * @param clazz
+     * @param <R>
+     * @param <Q>
+     * @return
+     */
+    @SuppressWarnings("all")
+    public static <R, Q extends PageReqVo> PageVo<R> paging(Q reqVo, BaseMapper<R> mapper, Class<R> clazz, LambdaQueryWrapper<R> lambdaQuery) {
+        R instance;
+        try {
+            instance = clazz.newInstance();
+        } catch (InstantiationException | IllegalAccessException e) {
+            throw new BusinessException("分页类型转换错误");
+        }
+        BeanUtil.copyProperties(reqVo, instance);
+        IPage<R> page = new Page<>(reqVo.getPage(), reqVo.getSize());
+        page = mapper.selectPage(page, lambdaQuery.setEntity(instance));
+        return PageVo.ofReqVo(reqVo, page.getRecords(), Long.valueOf(page.getTotal()).intValue());
+    }
+
 }
 }

common-utils/src/main/java/com/zq/common/utils/RandomUtils.java

-package com.zq.common.utils;
-
-public class RandomUtils {
-
-    /**
-     * 随机睡眠时间，单位秒
-     *
-     * @param min
-     * @param max
-     */
-    public static void threadSleepSeconds(double min, double max) {
-        try {
-            min = min * 1000;
-            max = max * 1000;
-            Thread.sleep((long) (min + Math.random() * (max - min + 1)));
-        } catch (InterruptedException e) {
-            e.printStackTrace();
-        }
-    }
-
-    /**
-     * 随机睡眠时间，单位分
-     *
-     * @param min
-     * @param max
-     */
-    public static void threadSleepMinutes(double min, double max) {
-        try {
-            min = min * 60 * 1000;
-            max = max * 60 * 1000;
-            Thread.sleep((long) (min + Math.random() * (max - min + 1)));
-        } catch (InterruptedException e) {
-            e.printStackTrace();
-        }
-    }
-
-    /**
-     * 获取指定范围的数字字符串
-     *
-     * @param min
-     * @param max
-     * @return
-     */
-    public static Integer getInteger(int min, int max) {
-        return (int) (min + Math.random() * (max - min + 1));
-    }
-
-}