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clay
53
common/common-mybatis-puls/pom.xml
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53
common/common-mybatis-puls/pom.xml
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>common</artifactId>
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<groupId>cn.fateverse</groupId>
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<version>1.0.0</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>common-mybatis-puls</artifactId>
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<properties>
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<mybatis-plus.version>3.5.3.1</mybatis-plus.version>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<!-- Java Servlet -->
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<dependency>
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<groupId>javax.servlet</groupId>
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<artifactId>javax.servlet-api</artifactId>
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<optional>true</optional>
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</dependency>
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<dependency>
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<groupId>org.springframework</groupId>
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<artifactId>spring-webmvc</artifactId>
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<optional>true</optional>
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</dependency>
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<!-- Mysql驱动包 -->
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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</dependency>
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<!-- <dependency>-->
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<!-- <groupId>com.oracle</groupId>-->
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<!-- <artifactId>ojdbc6</artifactId>-->
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<!-- <version>11.2.0.4</version>-->
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<!-- </dependency>-->
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<dependency>
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<groupId>com.baomidou</groupId>
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<artifactId>mybatis-plus-boot-starter</artifactId>
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<version>${mybatis-plus.version}</version>
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</dependency>
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<!-- Common Core 核心依赖 -->
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<dependency>
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<groupId>cn.fateverse</groupId>
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<artifactId>common-core</artifactId>
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</dependency>
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</dependencies>
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</project>
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package cn.fateverse.common.mybatisplus;
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import cn.fateverse.common.mybatisplus.handler.AutoSetMetaObjectHandler;
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import cn.hutool.core.net.NetUtil;
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import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
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import com.baomidou.mybatisplus.core.incrementer.DefaultIdentifierGenerator;
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import com.baomidou.mybatisplus.core.incrementer.IdentifierGenerator;
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import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
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import com.baomidou.mybatisplus.extension.plugins.inner.OptimisticLockerInnerInterceptor;
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import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
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import org.mybatis.spring.annotation.MapperScan;
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import org.springframework.context.annotation.Bean;
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/**
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* @author Clay
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* @date 2023-05-25
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*/
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@MapperScan("${mybatis.mapperPackage}")
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public class MybatisPlusAutoConfiguration {
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@Bean
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public MybatisPlusInterceptor mybatisPlusInterceptor() {
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MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
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// 分页插件
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interceptor.addInnerInterceptor(paginationInnerInterceptor());
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// 乐观锁插件
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interceptor.addInnerInterceptor(optimisticLockerInnerInterceptor());
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return interceptor;
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}
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/**
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* 分页插件，自动识别数据库类型
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*/
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public PaginationInnerInterceptor paginationInnerInterceptor() {
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PaginationInnerInterceptor paginationInnerInterceptor = new PaginationInnerInterceptor();
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// 设置最大单页限制数量，默认 500 条，-1 不受限制
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paginationInnerInterceptor.setMaxLimit(-1L);
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// 分页合理化
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paginationInnerInterceptor.setOverflow(true);
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return paginationInnerInterceptor;
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}
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/**
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* 乐观锁插件
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*/
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public OptimisticLockerInnerInterceptor optimisticLockerInnerInterceptor() {
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return new OptimisticLockerInnerInterceptor();
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}
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/**
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* 自动填充字段信息
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*/
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@Bean
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public MetaObjectHandler metaObjectHandler() {
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return new AutoSetMetaObjectHandler();
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}
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/**
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* 使用网卡信息绑定雪花生成器,实现集群生成id不重复
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*/
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@Bean
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public IdentifierGenerator idGenerator() {
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return new DefaultIdentifierGenerator(NetUtil.getLocalhost());
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}
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}
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package cn.fateverse.common.mybatisplus.handler;
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import cn.fateverse.common.core.annotaion.EnableAutoField;
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import cn.fateverse.common.core.entity.BaseEntity;
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import cn.fateverse.common.core.enums.MethodEnum;
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import cn.fateverse.common.core.utils.AutoSetValueUtils;
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import com.baomidou.mybatisplus.core.handlers.MetaObjectHandler;
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import org.apache.ibatis.reflection.MetaObject;
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import java.lang.reflect.Field;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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/**
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* @author Clay
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* @date 2023-05-25
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*/
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public class AutoSetMetaObjectHandler implements MetaObjectHandler {
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@Override
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public void insertFill(MetaObject metaObject) {
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autoSetValue(metaObject, MethodEnum.INSERT);
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}
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@Override
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public void updateFill(MetaObject metaObject) {
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autoSetValue(metaObject, MethodEnum.UPDATE);
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}
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private void autoSetValue(MetaObject metaObject, MethodEnum method) {
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Object originalObject = metaObject.getOriginalObject();
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Class<?> target = originalObject.getClass();
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EnableAutoField enable = target.getAnnotation(EnableAutoField.class);
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if (null == enable){
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return;
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}
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//获取到所有的字
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List<Field> fields = new ArrayList<>(Arrays.asList(target.getDeclaredFields()));
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if (originalObject instanceof BaseEntity) {
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Class<?> superclass = target.getSuperclass();
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List<Field> superField = Arrays.asList(superclass.getDeclaredFields());
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fields.addAll(superField);
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}
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//循环处理
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for (Field field : fields) {
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AutoSetValueUtils.autoUser(originalObject, method, field);
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AutoSetValueUtils.autoTime(originalObject, method, field);
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}
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}
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}
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package cn.fateverse.common.mybatisplus.utils;
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import cn.fateverse.common.core.entity.PageInfo;
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import cn.fateverse.common.core.result.page.TableDataInfo;
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import cn.fateverse.common.core.utils.TableSupport;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.function.Function;
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import java.util.stream.Collectors;
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/**
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* @author Clay
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* @date 2023-05-25
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*/
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public class PageUtils {
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/**
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* 转换为TableDataInfo对象
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*
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* @param page 源对象
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* @param map 转换方法
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* @param <T> 转换后的对象类型
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* @param <R> 需要转换的对象类型
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* @return 转换后的对象
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*/
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public static <T, R> TableDataInfo<T> convertDataTable(Page<R> page, Function<R, T> map) {
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List<T> convertList = page.getRecords().stream().map(map).collect(Collectors.toList());
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return convertDataTable(convertList, page.getTotal());
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}
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/**
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* 转换为TableDataInfo对象
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*
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* @param list
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* @param count
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* @param <T>
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* @return
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*/
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public static <T> TableDataInfo<T> convertDataTable(List<T> list, Long count) {
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if (null == list) {
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return new TableDataInfo<>(new ArrayList<>(), 0);
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}
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TableDataInfo<T> tableDataInfo = new TableDataInfo<>();
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tableDataInfo.setRows(list);
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tableDataInfo.setTotal(count);
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return tableDataInfo;
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}
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public static <T> Page<T> getPage(){
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PageInfo pageInfo = TableSupport.getPageInfo();
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return new Page<>(pageInfo.getPageNum(), pageInfo.getPageSize());
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}
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}
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@@ -0,0 +1 @@
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cn.fateverse.common.mybatisplus.MybatisPlusAutoConfiguration
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