BaseView.java
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package com.bckefu.excel.view;
import com.bckefu.excel.entity.vo.ExcelConstants;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Map;
/**
* @author : caoliang1918@aliyun.com
* @date : 2017/11/6:下午2:00
*/
public abstract class BaseView {
private static final Logger logger = LoggerFactory.getLogger(BaseView.class);
protected static boolean isIE(HttpServletRequest request) {
return (request.getHeader("USER-AGENT").toLowerCase().indexOf("msie") > 0
|| request.getHeader("USER-AGENT").toLowerCase().indexOf("rv:11.0") > 0
|| request.getHeader("USER-AGENT").toLowerCase().indexOf("edge") > 0) ? true
: false;
}
public static void render(String fileName, Map<String, Object> model, HttpServletRequest request,
HttpServletResponse response, String viewName) {
BaseView view = null;
switch (viewName) {
case ExcelConstants.POI_BIG_EXCEL_VIEW:
view = new PoiBigExcelExportView();
break;
case ExcelConstants.POI_EXCEL_VIEW:
view = new PoiSingleExcelView();
break;
case ExcelConstants.POI_TEMPLATE_EXCEL_VIEW:
view = new PoiTemplateExcelView();
case ExcelConstants.POI_MAP_EXCEL_VIEW:
view = new PoiMapExcelView();
break;
case ExcelConstants.MAP_GRAPH_EXCEL_VIEW:
view = new MapGraphExcelView();
break;
default:
break;
}
try {
view.renderMergedOutputModel(fileName, model, request, response);
} catch (Exception e) {
logger.error(e.getMessage(), e);
}
}
abstract void renderMergedOutputModel(String fileName, Map<String, Object> model, HttpServletRequest request, HttpServletResponse response) throws Exception;
}