Map键值对
private void addColumn(Map<String, Column> mapColumn, Column column) { String key = column.getField() + column.getLabel() + column.getType() + column.getLength(); if (!mapColumn.containsKey(key)) { mapColumn.put(key, column); } else { mapColumn.get(key).setTableName(mapColumn.get(key).getTableName() + "," + column.getTableName()); } }