更改了WrapperUtils中的allEqAndTimeIntervalQueryWrapper方法，解决了Project实体类中关于逻辑删除的问题

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/entity/Project.java

@@ -1,9 +1,9 @@
 package cn.edu.hfut.rmdjzz.projectmanagement.entity;
 
 import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableLogic;
-import com.baomidou.mybatisplus.annotation.TableName;
 import lombok.Data;
 
 import java.time.LocalDate;
@@ -33,7 +33,9 @@ public class Project {
     private String projectArea;
     private String projectCompany;
     private String projectDescription;
+    @TableField("is_completed")
     private Boolean completed;
+    @TableField("is_deleted")
     @TableLogic
     private Boolean deleted;
     private Integer projectCreator;

src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/utils/WrapperUtils.java

@@ -1,6 +1,7 @@
 package cn.edu.hfut.rmdjzz.projectmanagement.utils;
 
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.core.toolkit.StringUtils;
 
 import java.time.LocalDate;
 import java.time.LocalDateTime;
@@ -22,40 +23,57 @@ public class WrapperUtils {
      * - 对于时间类（{@link LocalDateTime}或{@link LocalDate}或{@link LocalTime}），
      * 会按照key的后缀处理，若为Start则处理为column >= value，End则处理为column <= value
      *
+     * @param camel2Underline 若为真，则将key的小驼峰命名转为下划线命名风格
+     * @param boolLeftAppendIs   若为真，则将value为boolean型的变量的key前添加IS
      * @param null2IsNull     若为真，将value为null的值在SQL中生成为IS NULL；否则值为null的参数不会在SQL中生成
      */
-    public static <T> QueryWrapper<T> allEqAndTimeIntervalQueryWrapper(Map<String, Object> paramMap, boolean null2IsNull) {
+    public static <T> QueryWrapper<T> allEqAndTimeIntervalQueryWrapper(
+            Map<String, Object> paramMap, boolean camel2Underline, boolean boolLeftAppendIs, boolean null2IsNull
+    ) {
         QueryWrapper<T> wrapper = new QueryWrapper<>();
         paramMap.forEach((key, value) -> {
             if (value == null) {
                 if (null2IsNull) {
-                    wrapper.isNull(key);
+                    String column = camel2Underline ? StringUtils.camelToUnderline(key) : key;
+                    wrapper.isNull(column);
                 }
                 return;
             }
-            if (isTimeClass(value.getClass())) {
+            if (isBoolean(value.getClass()) && boolLeftAppendIs) {
-                if (key.endsWith("Start")) {
+                key = "is" + Character.toUpperCase(key.charAt(0)) + key.substring(1);
-                    wrapper.ge(key.substring(0, key.length() - 5), value);
+            }
-                } else if (key.endsWith("End")) {
+            String column = camel2Underline ? StringUtils.camelToUnderline(key) : key;
-                    wrapper.le(key.substring(0, key.length() - 3), value);
+            if (isTime(value.getClass())) {
+                if (column.endsWith("Start")) {
+                    wrapper.ge(column.substring(0, column.length() - 5), value);
+                } else if (column.endsWith("End")) {
+                    wrapper.le(column.substring(0, column.length() - 3), value);
                 }
                 return;
             }
-            wrapper.eq(key, value);
+            wrapper.eq(column, value);
         });
         return wrapper;
     }
 
+    /**
+     * {@link WrapperUtils#allEqAndTimeIntervalQueryWrapper(Map, boolean, boolean, boolean)}的简化调用方法
+     * ，默认开启camel2Underline、boolLeftAppendIs与null2IsNull
+     */
+    public static <T> QueryWrapper<T> allEqAndTimeIntervalQueryWrapper(Map<String, Object> paramMap) {
+        return allEqAndTimeIntervalQueryWrapper(paramMap, true, true, false);
+    }
+
     /**
      * 从参数map中获取去掉了value为时间类的entry的map
      * <p>
-     * **若无特殊需求请使用{@link WrapperUtils#allEqAndTimeIntervalQueryWrapper(Map, boolean)}**直接获取wrapper
+     * **若无特殊需求请使用{@link WrapperUtils#allEqAndTimeIntervalQueryWrapper(Map, boolean, boolean, boolean)}**直接获取wrapper
      */
     @Deprecated
     public static Map<String, Object> getMapWithoutTime(Map<String, Object> map) {
         Map<String, Object> result = new HashMap<>();
         map.forEach((key, value) -> {
-            if (!isTimeClass(value.getClass())) {
+            if (!isTime(value.getClass())) {
                 result.put(key, value);
             }
         });
@@ -65,7 +83,11 @@ public class WrapperUtils {
     /**
      * 判断参数class是否为时间类（{@link LocalDateTime}或{@link LocalDate}或{@link LocalTime}）
      */
-    public static boolean isTimeClass(Class<?> clazz) {
+    public static boolean isTime(Class<?> clazz) {
         return LocalDateTime.class.equals(clazz) || LocalDate.class.equals(clazz) || LocalTime.class.equals(clazz);
     }
+
+    public static boolean isBoolean(Class<?> clazz) {
+        return boolean.class.equals(clazz) || Boolean.class.equals(clazz);
+    }
 }

src/test/java/cn/edu/hfut/rmdjzz/projectmanagement/MybatisPlusTests.java

@@ -1,6 +1,8 @@
 package cn.edu.hfut.rmdjzz.projectmanagement;
 
+import cn.edu.hfut.rmdjzz.projectmanagement.entity.Project;
 import cn.edu.hfut.rmdjzz.projectmanagement.entity.Staff;
+import cn.edu.hfut.rmdjzz.projectmanagement.service.IProjectService;
 import cn.edu.hfut.rmdjzz.projectmanagement.service.IStaffService;
 import cn.edu.hfut.rmdjzz.projectmanagement.utils.WrapperUtils;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
@@ -8,12 +10,12 @@ import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import lombok.SneakyThrows;
 import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.context.SpringBootTest;
 
 import javax.annotation.Resource;
-import java.time.LocalDate;
-import java.time.LocalDateTime;
 import java.util.HashMap;
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -25,6 +27,8 @@ public class MybatisPlusTests {
 
     @Resource
     private IStaffService staffService;
+    @Autowired
+    private IProjectService projectService;
     @Resource
     private ObjectMapper objectMapper;
 
@@ -37,12 +41,26 @@ public class MybatisPlusTests {
     @Test
     public void wrapperTest() {
         Map<String, Object> map = new HashMap<>();
-        map.put("time", "aaa");
+        /*map.put("time", "aaa");
         map.put("stimeStart", LocalDateTime.now());
+        map.put("etimeEnd", LocalDate.now());*/
         map.put("null", null);
-        map.put("etimeEnd", LocalDate.now());
+        map.put("deleted", true);
-        QueryWrapper<String> wrapper = WrapperUtils.<String>allEqAndTimeIntervalQueryWrapper(map, true);
+        QueryWrapper<String> wrapper = WrapperUtils.allEqAndTimeIntervalQueryWrapper(map, true, true, true);
         System.out.println(wrapper.getCustomSqlSegment());
         System.out.println(objectMapper.writeValueAsString(wrapper.getParamNameValuePairs()));
     }
+
+    @SneakyThrows
+    @Test
+    public void nullTest() {
+        System.out.println(objectMapper.writeValueAsString(staffService.list(null)));
+    }
+
+    @SneakyThrows
+    @Test
+    public void logicDeleteTest() {
+        List<Project> projects = projectService.list();
+        System.out.println(objectMapper.writeValueAsString(projects));
+    }
 }