整合mybatis-plus

pom.xml

@@ -19,7 +19,7 @@
     <!-- spring版本号 -->
     <spring.version>5.1.1.RELEASE</spring.version>
     <!-- mybatis版本号 -->
-    <mybatis.version>3.2.6</mybatis.version>
+    <mybatis.version>3.4.6</mybatis.version>
     <!-- log4j日志文件管理包版本 -->
     <slf4j.version>1.7.12</slf4j.version>
     <log4j.version>1.2.17</log4j.version>
@@ -200,23 +200,24 @@
 
 
     <!-- mybatis核心包 -->
-    <dependency>
+  <!--  <dependency>
       <groupId>org.mybatis</groupId>
       <artifactId>mybatis</artifactId>
       <version>${mybatis.version}</version>
     </dependency>
+    -->
     <!-- mybatis/spring包 -->
     <dependency>
       <groupId>org.mybatis</groupId>
       <artifactId>mybatis-spring</artifactId>
-      <version>1.2.2</version>
+      <version>2.0.1</version>
     </dependency>
     <!-- https://mvnrepository.com/artifact/com.baomidou/mybatis-plus -->
     <!-- mybatis 增加框架(国产)-->
     <dependency>
       <groupId>com.baomidou</groupId>
       <artifactId>mybatis-plus</artifactId>
-      <version>3.1.1</version>
+      <version>3.1.2</version>
     </dependency>
 
     <!-- 导入java ee jar 包 -->

src/main/java/com/lq/code/dao/BaseDao.java

@@ -1,13 +1,15 @@
 package com.lq.code.dao;
 
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import org.apache.ibatis.annotations.Param;
 
 import java.util.List;
 
 /**
+ * @author qi
  * Created by qi on 2017/7/16.
  */
-public interface BaseDao<T> {
+public interface BaseDao<T> extends BaseMapper<T> {
 
     /**
      *  保存对象，返回id

src/main/java/com/lq/code/dao/impl/BaseDaoImpl.java

@@ -1,126 +0,0 @@
-package com.lq.code.dao.impl;
-
-import com.lq.code.dao.BaseDao;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.jdbc.core.JdbcTemplate;
-import org.springframework.jdbc.core.namedparam.BeanPropertySqlParameterSource;
-import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
-import org.springframework.jdbc.core.namedparam.SqlParameterSource;
-
-import java.lang.reflect.Field;
-import java.lang.reflect.ParameterizedType;
-import java.lang.reflect.Type;
-import java.util.List;
-
-/**
- * Created by qi on 2017/11/22.
- */
-public class BaseDaoImpl<T> implements BaseDao<T> {
-
-    @Autowired(required = false)
-    private JdbcTemplate jdbcTemplate;
-
-    private NamedParameterJdbcTemplate namedParameterJdbcTemplate;
-
-    private Class<T> entityClass;
-
-    public BaseDaoImpl() {
-        Type genType = getClass().getGenericSuperclass();
-        Type[] params = ((ParameterizedType) genType).getActualTypeArguments();
-        entityClass = (Class) params[0];
-    }
-
-    public  void setJdbcTemplate(JdbcTemplate jdbcTemplate){
-        this.jdbcTemplate=jdbcTemplate;
-    }
-
-    public  void setNamedParameterJdbcTemplate(){
-        namedParameterJdbcTemplate=new NamedParameterJdbcTemplate(jdbcTemplate.getDataSource());
-    }
-
-
-    @Override
-    public Long save(T entity) {
-        if (namedParameterJdbcTemplate==null){
-            setNamedParameterJdbcTemplate();
-        }
-
-        SqlParameterSource parameterSource=new BeanPropertySqlParameterSource(entity);
-
-
-        return null;
-    }
-
-    @Override
-    public void update(T t) {
-        StringBuffer sql=new StringBuffer();
-        Field[] fields1= entityClass.getFields();
-        for (Field field:fields1){
-            field.setAccessible(true);
-            System.out.println(field);
-        }
-        Field[] fields=entityClass.getDeclaredFields();
-        for (Field field:fields){
-            System.out.println(field);
-        }
-    }
-
-    @Override
-    public T findOne(Long id) {
-        return null;
-    }
-
-    @Override
-    public List<T> findAll() {
-        return null;
-    }
-
-    @Override
-    public void delete(Long id) {
-
-    }
-
-    @Override
-    public void batchSave(List<T> entitylist) {
-
-    }
-
-    @Override
-    public void batchUpdate(List<T> entitylist) {
-
-    }
-
-    @Override
-    public void batchDelete(List<T> entitylist) {
-
-    }
-
-    private String makeSql(String sqlType){
-        StringBuffer sql=new StringBuffer();
-        Field[] fields=entityClass.getFields();
-        for (Field field:fields){
-            System.out.println(field);
-        }
-        return  sql.toString();
-    }
-
-    //将类名转换为表面，开启驼峰命名
-    public String openHump(String entityName){
-        StringBuffer strBuffer=new StringBuffer();
-        char[] charArray=entityName.toCharArray();
-        for (int i=0;i<charArray.length;i++){
-            if (i==0){
-                strBuffer.append(charArray[i]);
-                continue;
-            }
-            if (Character.isUpperCase(charArray[i])){
-                strBuffer.append("_"+charArray[i]);
-            }else {
-                strBuffer.append(charArray[i]);
-            }
-        }
-        return strBuffer.toString().toUpperCase();
-    }
-
-
-}

src/main/java/com/lq/code/interceptor/PageInteceptor.java

@@ -26,7 +26,7 @@ import java.util.Properties;
 //StatementHandler:数据库会话器，专门用于处理数据库会话,statement的执行操作，是一个接口；
 //metaObject：mybatis工具类，可以有效的读取或修改一些重要对象的属性
 @Intercepts({@Signature(type = Executor.class,method = "query",args = {MappedStatement.class,Object.class, RowBounds.class, ResultHandler.class}),
-@Signature(type = StatementHandler.class,method = "prepare",args = {Connection.class})
+@Signature(type = StatementHandler.class,method = "prepare",args = {Connection.class,Integer.class})
 })
 public class PageInteceptor implements Interceptor {
 

src/main/resources/spring-mybatis-config.xml

@@ -61,14 +61,19 @@
        <!-- <property name="connectionInitSqls" value=""/>-->
     </bean>
 
+    <bean id="sqlSessionFactory" class="com.baomidou.mybatisplus.extension.spring.MybatisSqlSessionFactoryBean">
+        <property name="dataSource" ref="dataSource"/>
+        <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/>
+        <property name="mapperLocations" value="classpath:mybatis/mapping/*.xml"/>
+    </bean>
 
     <!-- spring和MyBatis完美整合，不需要mybatis的配置映射文件 -->
-    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
+  <!--  <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
         <property name="dataSource" ref="dataSource" />
         <property name="configLocation" value="classpath:mybatis/mybatis-config.xml"/>
-        <!-- 自动扫描mapping.xml文件 -->
-        <property name="mapperLocations" value="classpath:mybatis/mapping/*.xml"></property>
-    </bean>
+        <!- 自动扫描mapping.xml文件 -->
+    <!--    <property name="mapperLocations" value="classpath:mybatis/mapping/*.xml"></property>
+    </bean>-->
 
     <!-- DAO接口所在包名，Spring会自动查找其下的类 -->  
     <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">