init

src/main/java/com/newyetai/mybatis/config/MybatisConfig.java

@@ -0,0 +1,47 @@
+package com.newyetai.mybatis.config;
+
+import java.util.List;
+
+import org.apache.ibatis.session.SqlSessionFactory;
+import org.apache.ibatis.type.TypeHandlerRegistry;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Configuration;
+
+import com.github.pagehelper.autoconfigure.PageHelperAutoConfiguration;
+import com.newyetai.mybatis.handle.BaseEnumTypeHandler;
+import com.newyetai.mybatis.interceptor.MyPageInterceptor;
+
+import lombok.extern.slf4j.Slf4j;
+
+/**
+ * @author guhong
+ * @date 2019/8/19
+ * 设置mapper扫描的包
+ */
+@Configuration
+@Slf4j
+public class MybatisConfig {
+
+  @Autowired
+  private List<SqlSessionFactory> sqlSessionFactoryList;
+
+  /**
+   * 添加自定义的分页插件，pageHelper 的分页插件PageInterceptor是用@PostConstruct添加的，自定义的应该在其后面添加
+   * 真正执行时顺序是反过来，先执行MyPageInterceptor，再执行 PageInterceptor
+   *
+   * 所以要保证 PageHelperAutoConfiguration 先执行
+   */
+  @Autowired
+  public void addPageInterceptor(PageHelperAutoConfiguration pageHelperAutoConfiguration) {
+    MyPageInterceptor interceptor = new MyPageInterceptor();
+    for (SqlSessionFactory sqlSessionFactory : sqlSessionFactoryList) {
+      sqlSessionFactory.getConfiguration().addInterceptor(interceptor);
+      log.info("注册自定义分页插件成功");
+      // 取得类型转换注册器
+      TypeHandlerRegistry typeHandlerRegistry = sqlSessionFactory.getConfiguration().getTypeHandlerRegistry();
+      // 注册默认枚举转换器
+      typeHandlerRegistry.setDefaultEnumTypeHandler(BaseEnumTypeHandler.class);
+    }
+  }
+
+}