增加系统菜单

src/main/java/com/rj/entity/sys/MetaTypeHandler.java

@@ -0,0 +1,74 @@
+package com.rj.entity.sys;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+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;
+import java.util.Objects;
+
+public class MetaTypeHandler extends BaseTypeHandler<Meta> {
+    @Override
+    public void setNonNullParameter(PreparedStatement ps, int i, Meta parameter, JdbcType jdbcType) throws SQLException {
+        ObjectMapper om = new ObjectMapper();
+        String json = null;
+        try {
+            json = om.writeValueAsString(parameter);
+            if(Objects.nonNull(json)){
+                ps.setString(i,json);
+            }
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    @Override
+    public Meta getNullableResult(ResultSet rs, String columnName) throws SQLException {
+        ObjectMapper om = new ObjectMapper();
+        String json = rs.getString(columnName);
+        Meta meta = null;
+        try {
+            if(Objects.nonNull(json)){
+                meta = om.readValue(json, Meta.class);
+            }
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
+        }
+        return meta;
+    }
+
+    @Override
+    public Meta getNullableResult(ResultSet rs, int columnIndex) throws SQLException {
+        ObjectMapper om = new ObjectMapper();
+        String json = rs.getString(columnIndex);
+        Meta meta = null;
+        try {
+            if(Objects.nonNull(json)){
+                meta = om.readValue(json, Meta.class);
+            }
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
+        }
+        return meta;
+    }
+
+    @Override
+    public Meta getNullableResult(CallableStatement cs, int columnIndex) throws SQLException {
+        ObjectMapper om = new ObjectMapper();
+        String json = cs.getString(columnIndex);
+        Meta meta = null;
+        try {
+            if(Objects.nonNull(json)){
+                meta = om.readValue(json, Meta.class);
+            }
+        } catch (JsonProcessingException e) {
+            throw new RuntimeException(e);
+        }
+        return meta;
+    }
+}