mirror of https://gitee.com/jeecg/jeecg.git
zhangdaiscott@163.com
6 years ago
parent
a231fe8885
commit
a694706e2d
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package org.jeecgframework.core.util;
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import java.io.BufferedInputStream;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URLEncoder;
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import java.util.HashMap;
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import java.util.Map;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
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import net.sf.jxls.exception.ParsePropertyException;
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import net.sf.jxls.transformer.XLSTransformer;
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public class JxlsExcelExportUtil {
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public static void export(Map<String,Object> beans,String exportFileName,String templateFilePath, HttpServletRequest request,HttpServletResponse response) throws ParsePropertyException, InvalidFormatException, IOException{
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XLSTransformer transformer = new XLSTransformer();
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InputStream is = new BufferedInputStream(new FileInputStream(templateFilePath));
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org.apache.poi.ss.usermodel.Workbook workbook = transformer.transformXLS(is, beans);
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//设置导出
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response.addHeader("Cache-Control","no-cache");
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response.setCharacterEncoding("UTF-8");
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response.setContentType("application/octet-stream;charset=UTF-8");
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String ua = request.getHeader("user-agent");
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ua = ua == null ? null : ua.toLowerCase();
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if(ua != null && (ua.indexOf("firefox") > 0 || ua.indexOf("safari")>0)){
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try {
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exportFileName = new String(exportFileName.getBytes(),"ISO8859-1");
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response.addHeader("Content-Disposition","attachment;filename=" + exportFileName);
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} catch (Exception e) {
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}
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}else{
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try {
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exportFileName = URLEncoder.encode(exportFileName, "utf-8");
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response.addHeader("Content-Disposition","attachment;filename=" + exportFileName);
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} catch (Exception e) {
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}
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}
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ServletOutputStream out = response.getOutputStream();
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workbook.write(out);
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out.flush();
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}
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}
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@ -0,0 +1,36 @@
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package org.jeecgframework.core.util;
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public class UrlCheckUtil {
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/**
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*检查url是否包含指定字符串
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*
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* @return
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*/
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public static Boolean checkUrl(String url,String specifyCharacter) {
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url=url.replace("\\", "/");
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Boolean flag = false;
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if(url.contains(specifyCharacter)){
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flag=true;
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}
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return flag;
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}
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/**
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* 检查url是否包含/./或是/../,有则返回true
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*/
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public static Boolean checkUrl(String url) {
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return checkUrl(url,"/./") || checkUrl(url,"/../");
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}
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public static void main(String[] args) {
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try {
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Boolean checkUrl = checkUrl("\\user\\.\\aa.jpg","/./");
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System.out.println(checkUrl);
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if(checkUrl){
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throw new Exception("文件地址不合法");
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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