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v0.0.4
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Timi
2026-03-16 17:14:18 +08:00
parent 66e379a0bd
commit a13795703e
6 changed files with 78 additions and 157 deletions
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57
src/main/java/com/imyeyu/spring/handler/GsonHandler.java
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@@ -1,57 +0,0 @@
package com.imyeyu.spring.handler;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import com.imyeyu.java.TimiJava;
import org.apache.ibatis.type.BaseTypeHandler;
import org.apache.ibatis.type.JdbcType;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
* MySQL JSON 数据类型处理器
*
* @author 夜雨
* @since 2021-07-04 09:36
*/
public class GsonHandler extends BaseTypeHandler<JsonElement> {
@Override
public void setNonNullParameter(PreparedStatement ps, int i, JsonElement parameter, JdbcType jdbcType) throws SQLException {
ps.setString(i, parameter.toString());
}
@Override
public JsonElement getNullableResult(ResultSet rs, String columnName) throws SQLException {
return toElement(rs.getString(columnName));
}
@Override
public JsonElement getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
return toElement(rs.getString(columnIndex));
}
@Override
public JsonElement getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
return toElement(cs.getNString(columnIndex));
}
private JsonElement toElement(String json) {
if (TimiJava.isNotEmpty(json)) {
JsonElement el = JsonParser.parseString(json);
if (el.isJsonObject()) {
return el.getAsJsonObject();
}
if (el.isJsonArray()) {
return el.getAsJsonArray();
}
if (el.isJsonPrimitive()) {
return el.getAsJsonPrimitive();
}
}
return null;
}
}

62
src/main/java/com/imyeyu/spring/handler/JsonNodeTypeHandler.java Normal file
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@@ -0,0 +1,62 @@
package com.imyeyu.spring.handler;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
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.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
/**
*
*
* @author 夜雨
* @since 2026-03-16 15:42
*/
@MappedTypes(JsonNode.class)
@MappedJdbcTypes({JdbcType.VARCHAR, JdbcType.CLOB, JdbcType.LONGVARCHAR})
public class JsonNodeTypeHandler extends BaseTypeHandler<JsonNode> {
private static final ObjectMapper MAPPER = new ObjectMapper();
@Override
public void setNonNullParameter(PreparedStatement ps, int i, JsonNode parameter, JdbcType jdbcType) throws SQLException {
try {
ps.setString(i, MAPPER.writeValueAsString(parameter));
} catch (JsonProcessingException e) {
throw new SQLException("Failed to serialize JsonNode to JSON", e);
}
}
@Override
public JsonNode getNullableResult(ResultSet rs, String columnName) throws SQLException {
return parseJson(rs.getString(columnName));
}
@Override
public JsonNode getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
return parseJson(rs.getString(columnIndex));
}
@Override
public JsonNode getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
return parseJson(cs.getString(columnIndex));
}
private JsonNode parseJson(String json) throws SQLException {
if (json == null || json.isEmpty()) {
return MAPPER.createObjectNode();
}
try {
return MAPPER.readTree(json);
} catch (JsonProcessingException e) {
throw new SQLException("Failed to parse JSON to JsonNode", e);
}
}
}