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使用POI操作EXECL做数据的导入与导出            一: 所需JAR包       poi-3.9-20121203.jar      poi-ooxml-3.9-20121203.jar      poi-ooxml-schemas-3.9-20121203.jar   二:调用    1 导入       List epsList = ex

package com.wonders.framework.component.upload.action;import java.io.File;import java.io.IOException;import java.text.SimpleDateFormat;import java.util.Date;import java.util.Map;import java.uti

/** * 文件下载 * * @param request * @param response * @return */ @RequestMapping(value = "/dowload.action") public ModelAndView dowload(HttpServletRequest request, HttpServletResponse re

根据java反射原理获取java实体字段描述信息首先是定义一个注解package com.wonders.framework.annotation;import java.lang.annotation.Retention;import java.lang.annotation.RetentionPolicy;@Retention(RetentionPolicy.RUNTIME)

第一步    spring邮件的配置 <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl"> smtp.qiye.163.com

package com.yc.util;import java.util.ArrayList;import java.util.Iterator;import java.util.List;public class NodeUtil{ List returnList = new ArrayList(); public static void main(String[] a