首页 开发技术 Java     /    读取百万级数据量的xlsx文件的java代码

读取百万级数据量的xlsx文件的java代码

上传者: u011186240 | 上传时间:2024/11/6 6:30:38 | 文件大小:13.11MB | 文件类型:rar
读取百万级数据量的xlsx文件的java代码
文件里包含可以运行起来的项目,下载下来解压后,引入项目就可以运行看结果了。
该代码可以处理100万数据量的excel文件,xlsx文件数据量太大,用普通的读法会报内存溢出错误,所以用官网提供的方法,一条一条的读取大excel文件,本例子从这点出发,组装excel里读取的单条数据为list,在根据需求操作list,即单条读取,单条操作,下载下来后找到endRow(introwNum)函数,在函数末尾有个注销的list数组打印,这个list即从excel里读取的当前行,列顺序同excel里的列顺序,直接操作list即可。
本软件ID:10536814

文件下载

资源详情

[{"title":"(19个子文件13.11MB)读取百万级数据量的xlsx文件的java代码","children":[{"title":"testpoi","children":[{"title":"bin","children":[{"title":"cn","children":[{"title":"com","children":[{"title":"poi","children":[{"title":"utils","children":[{"title":"XLSX2CSV.class <span style='color:#111;'>5.48KB</span>","children":null,"spread":false},{"title":"XLSX2CSV$SheetConvert.class <span style='color:#111;'>3.18KB</span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true}],"spread":true},{"title":".settings","children":[{"title":"org.eclipse.jdt.core.prefs <span style='color:#111;'>629B</span>","children":null,"spread":false}],"spread":true},{"title":"src","children":[{"title":"cn","children":[{"title":"com","children":[{"title":"poi","children":[{"title":"utils","children":[{"title":"XLSX2CSV.java <span style='color:#111;'>8.95KB</span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true}],"spread":true}],"spread":true},{"title":".project <span style='color:#111;'>383B</span>","children":null,"spread":false},{"title":".classpath <span style='color:#111;'>1.09KB</span>","children":null,"spread":false},{"title":"lib","children":[{"title":"junit-4.12.jar <span style='color:#111;'>307.55KB</span>","children":null,"spread":false},{"title":"poi-3.16.jar <span style='color:#111;'>2.56MB</span>","children":null,"spread":false},{"title":"xmlbeans-2.6.0.jar <span style='color:#111;'>2.60MB</span>","children":null,"spread":false},{"title":"poi-examples-3.16.jar <span style='color:#111;'>361.12KB</span>","children":null,"spread":false},{"title":"commons-codec-1.10.jar <span style='color:#111;'>277.52KB</span>","children":null,"spread":false},{"title":"commons-collections4-4.1.jar <span style='color:#111;'>733.63KB</span>","children":null,"spread":false},{"title":"curvesapi-1.04.jar <span style='color:#111;'>96.06KB</span>","children":null,"spread":false},{"title":"poi-scratchpad-3.16.jar <span style='color:#111;'>1.32MB</span>","children":null,"spread":false},{"title":"poi-ooxml-3.16.jar <span style='color:#111;'>1.37MB</span>","children":null,"spread":false},{"title":"poi-ooxml-schemas-3.16.jar <span style='color:#111;'>5.60MB</span>","children":null,"spread":false},{"title":"commons-logging-1.2.jar <span style='color:#111;'>60.38KB</span>","children":null,"spread":false},{"title":"log4j-1.2.17.jar <span style='color:#111;'>478.40KB</span>","children":null,"spread":false},{"title":"poi-excelant-3.16.jar <span style='color:#111;'>30.49KB</span>","children":null,"spread":false}],"spread":false}],"spread":true}],"spread":true}]

评论信息

  • 王天天:
    骗钱骗人!!!!!2020-09-09
  • txl12345678:
    代码可以使用,作为参考很有意义2020-06-16
  • 豫东一棵草:
    可以,可以。。。。。。。。。2019-08-15
  • huangleiRock:
    无法下载。。。。。2019-06-19
  • 杨逸仑:
    可以.用......................2018-07-13

免责申明

【好快吧下载】的资源来自网友分享,仅供学习研究,请务必在下载后24小时内给予删除,不得用于其他任何用途,否则后果自负。基于互联网的特殊性,【好快吧下载】 无法对用户传输的作品、信息、内容的权属或合法性、合规性、真实性、科学性、完整权、有效性等进行实质审查;无论 【好快吧下载】 经营者是否已进行审查,用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。
本站所有资源不代表本站的观点或立场,基于网友分享,根据中国法律《信息网络传播权保护条例》第二十二条之规定,若资源存在侵权或相关问题请联系本站客服人员,8686821#qq.com,请把#换成@,本站将给予最大的支持与配合,做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明