品牌分類關聯與級聯更新

重新弄回分類的原始資料

gulimall.product.config

MyBatisConfig.java

這個分頁外掛使用失敗

package com.doudou.gulimall.product.config;
​
​
import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.pagination.optimize.JsqlParserCountOptimize;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;
​
@Configuration//配置類
@EnableTransactionManagement//開啟事務
@MapperScan("com.doudou.gulimall.product.dao")
public class MyBatisConfig {
  /**
   * 分頁外掛
   */
  @Bean
  public PaginationInterceptor paginationInterceptor() {
    PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
    // 設定請求的頁面大於最大頁後操作， true調回到首頁，false 繼續請求  預設false
    paginationInterceptor.setOverflow(true);
    // 設定最大單頁限制數量，預設 500 條，-1 不受限制
    paginationInterceptor.setLimit(1000);
    // 開啟 count 的 join 優化,只針對部分 left join
    paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
    return paginationInterceptor;
   }
​
}
​
 

出現的錯誤（目前還沒有解決）

​
Description:
​
An attempt was made to call a method that does not exist. The attempt was made from the following location:
​
  com.baomidou.mybatisplus.autoconfigure.IdentifierGeneratorAutoConfiguration$InetUtilsAutoConfig.identifierGenerator(IdentifierGeneratorAutoConfiguration.java:59)
​
The following method did not exist:
​
  com.baomidou.mybatisplus.core.incrementer.DefaultIdentifierGenerator.<init>(Ljava/net/InetAddress;)V
​
The method's class, com.baomidou.mybatisplus.core.incrementer.DefaultIdentifierGenerator, is available from the following locations:
​
  jar:file:/D:/Maven/apache-maven-3.6.3-bin/apache-maven-3.6.3/maven-repo/com/baomidou/mybatis-plus-core/3.3.1/mybatis-plus-core-3.3.1.jar!/com/baomidou/mybatisplus/core/incrementer/DefaultIdentifierGenerator.class
​
The class hierarchy was loaded from the following locations:
​
  com.baomidou.mybatisplus.core.incrementer.DefaultIdentifierGenerator: file:/D:/Maven/apache-maven-3.6.3-bin/apache-maven-3.6.3/maven-repo/com/baomidou/mybatis-plus-core/3.3.1/mybatis-plus-core-3.3.1.jar
​
​
Action:
​
Correct the classpath of your application so that it contains a single, compatible version of com.baomidou.mybatisplus.core.incrementer.DefaultIdentifierGenerator
​
​
Process finished with exit code 1
​
 

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