新增map映射

hsweb-web-dao-impl-mybatis/src/main/java/org/hsweb/web/mybatis/handler/JsonMapHandler.java

@@ -0,0 +1,65 @@
+package org.hsweb.web.mybatis.handler;
+
+import com.alibaba.fastjson.JSON;
+import org.apache.ibatis.type.*;
+
+import java.sql.CallableStatement;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Created by zhouhao on 16-5-14.
+ */
+@Alias("jsonMapHandler")
+@MappedTypes({Map.class})
+@MappedJdbcTypes({JdbcType.VARCHAR, JdbcType.CLOB})
+public class JsonMapHandler extends BaseTypeHandler<Map<String, Object>> {
+
+    @Override
+    public Map<String, Object> getResult(ResultSet rs, int columnIndex) throws SQLException {
+        String s = rs.getString(columnIndex);
+        return JSON.parseObject(s);
+    }
+
+    @Override
+    public Map<String, Object> getResult(ResultSet rs, String columnName) throws SQLException {
+        String s = rs.getString(columnName);
+        return JSON.parseObject(s);
+    }
+
+    @Override
+    public Map<String, Object> getResult(CallableStatement cs, int columnIndex) throws SQLException {
+        String s = cs.getString(columnIndex);
+        return JSON.parseObject(s);
+    }
+
+    @Override
+    public void setParameter(PreparedStatement ps, int i, Map<String, Object> parameter, JdbcType jdbcType) throws SQLException {
+        ps.setString(i, JSON.toJSONString(parameter));
+    }
+
+    @Override
+    public void setNonNullParameter(PreparedStatement ps, int i, Map<String, Object> parameter, JdbcType jdbcType) throws SQLException {
+        ps.setString(i, "{}");
+    }
+
+    @Override
+    public Map<String, Object> getNullableResult(ResultSet rs, String columnName) throws SQLException {
+        return new HashMap<>();
+    }
+
+    @Override
+    public Map<String, Object> getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
+        return new HashMap<>();
+    }
+
+    @Override
+    public Map<String, Object> getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
+        return new HashMap<>();
+    }
+}