处理 long类型值为小于int.max 数据格式错误问题

common/src/main/java/org/jiayunet/config/LongListTypeHandler.java

@@ -0,0 +1,63 @@
+package org.jiayunet.config;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+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;
+import java.util.List;
+
+/**
+ * List<Long> 类型的 JSON TypeHandler
+ * <p>解决 JacksonTypeHandler 反序列化 JSON 数组时将小数字解析为 Integer 的问题</p>
+ *
+ * @author zk
+ */
+@MappedTypes(List.class)
+@MappedJdbcTypes(JdbcType.VARCHAR)
+public class LongListTypeHandler extends BaseTypeHandler<List<Long>> {
+
+    private static final ObjectMapper MAPPER = new ObjectMapper();
+    private static final TypeReference<List<Long>> TYPE_REF = new TypeReference<>() {};
+
+    @Override
+    public void setNonNullParameter(PreparedStatement ps, int i, List<Long> parameter, JdbcType jdbcType) throws SQLException {
+        try {
+            ps.setString(i, MAPPER.writeValueAsString(parameter));
+        } catch (Exception e) {
+            throw new SQLException("序列化 List<Long> 失败", e);
+        }
+    }
+
+    @Override
+    public List<Long> getNullableResult(ResultSet rs, String columnName) throws SQLException {
+        return parse(rs.getString(columnName));
+    }
+
+    @Override
+    public List<Long> getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
+        return parse(rs.getString(columnIndex));
+    }
+
+    @Override
+    public List<Long> getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
+        return parse(cs.getString(columnIndex));
+    }
+
+    private List<Long> parse(String json) throws SQLException {
+        if (json == null || json.isBlank()) {
+            return null;
+        }
+        try {
+            return MAPPER.readValue(json, TYPE_REF);
+        } catch (Exception e) {
+            throw new SQLException("反序列化 List<Long> 失败: " + json, e);
+        }
+    }
+}