mysql插入json类型数据
package io.demo.common.config;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.alibaba.fastjson.serializer.SerializerFeature;
import org.apache.ibatis.type.BaseTypeHandler;
import org.apache.ibatis.type.JdbcType;
import org.apache.ibatis.type.MappedTypes;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* json处理器
*/
@MappedTypes(JSONObject.class)
public class JsonTypeHandler extends BaseTypeHandler<JSONObject> {
@Override
public void setNonNullParameter(PreparedStatement preparedStatement, int i, JSONObject jsonObject, JdbcType jdbcType) throws SQLException {
preparedStatement.setString(i, JSON.toJSONString(jsonObject, SerializerFeature.WriteMapNullValue, SerializerFeature.WriteDateUseDateFormat));
}
@Override
public JSONObject getNullableResult(ResultSet resultSet, String s) throws SQLException {
String sqlJson = resultSet.getString(s);
if (sqlJson != null) {
return JSONObject.parseObject(sqlJson);
}
return null;
}
@Override
public JSONObject getNullableResult(ResultSet resultSet, int i) throws SQLException {
String sqlJson = resultSet.getString(i);
if (sqlJson != null) {
return JSONObject.parseObject(sqlJson);
}
return null;
}
@Override
public JSONObject getNullableResult(CallableStatement callableStatement, int i) throws SQLException {
String sqlJson = callableStatement.getString(i);
if (sqlJson != null) {
return JSONObject.parseObject(sqlJson);
}
return null;
}
}