增加BaseListTypeHandler

src/main/java/cn/axzo/pokonyan/config/mybatisplus/type/BaseListTypeHandler.java

@@ -0,0 +1,54 @@
+package cn.axzo.pokonyan.config.mybatisplus.type;
+
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.serializer.SerializerFeature;
+import org.apache.ibatis.type.BaseTypeHandler;
+import org.apache.ibatis.type.JdbcType;
+import org.apache.ibatis.type.MappedJdbcTypes;
+import org.apache.ibatis.type.MappedTypes;
+
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+import java.sql.CallableStatement;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.List;
+
+/**
+ * @author haiyangjin
+ * @date 2023/9/13
+ */
+@MappedTypes({List.class})
+@MappedJdbcTypes(JdbcType.VARCHAR)
+public abstract class BaseListTypeHandler<T> extends BaseTypeHandler<List<T>> {
+    private Class<T> type = getGenericType();
+
+    @Override
+    public void setNonNullParameter(PreparedStatement preparedStatement, int i,
+                                    List<T> list, JdbcType jdbcType) throws SQLException {
+        preparedStatement.setString(i, JSONArray.toJSONString(list, SerializerFeature.WriteMapNullValue,
+                SerializerFeature.WriteNullListAsEmpty, SerializerFeature.WriteNullStringAsEmpty));
+    }
+
+    @Override
+    public List<T> getNullableResult(ResultSet resultSet, String s) throws SQLException {
+        return JSONArray.parseArray(resultSet.getString(s), type);
+    }
+
+    @Override
+    public List<T> getNullableResult(ResultSet resultSet, int i) throws SQLException {
+        return JSONArray.parseArray(resultSet.getString(i), type);
+    }
+
+    @Override
+    public List<T> getNullableResult(CallableStatement callableStatement, int i) throws SQLException {
+        return JSONArray.parseArray(callableStatement.getString(i), type);
+    }
+
+    private Class<T> getGenericType() {
+        Type t = getClass().getGenericSuperclass();
+        Type[] params = ((ParameterizedType) t).getActualTypeArguments();
+        return (Class<T>) params[0];
+    }
+}

src/main/java/cn/axzo/pokonyan/config/mybatisplus/type/LongListTypeHandler.java

@@ -0,0 +1,8 @@
+package cn.axzo.pokonyan.config.mybatisplus.type;
+
+/**
+ * @author haiyangjin
+ * @date 2023/9/13
+ */
+public class LongListTypeHandler extends BaseListTypeHandler<Long> {
+}