JAVA - 随笔分类 - white knight

Commons Daemon procrun stdout initialized

摘要：参考 https://blog.csdn.net/qq_19865749/article/details/69664979 jvm路径错误阅读全文

posted @ 2018-11-01 14:16 white knight 阅读(2933) 评论(0) 推荐(0)

摘要：ObjectMapper mapper = new ObjectMapper(); Map<String, Object> map = mapper.readValue(str, Map.class); 阅读全文

posted @ 2018-10-23 15:35 white knight 阅读(444) 评论(0) 推荐(0)

摘要：参考 https://blog.csdn.net/gavid0124/article/details/45390999/ request.getRequestURL() 返回全路径 request.getRequestURI() 返回除去host（域名或者ip）部分的路径 request.getCo 阅读全文

posted @ 2018-08-18 16:57 white knight 阅读(123) 评论(0) 推荐(0)

以字符串形式获取excel单元格中的内容

摘要：public static String getCellValue(XSSFCell cell) { if (cell == null) { return ""; } switch (cell.getCellType()) { case Cell.CELL_TYPE_STRING: ... 阅读全文

posted @ 2018-07-18 16:05 white knight 阅读(1378) 评论(0) 推荐(0)

javaService

摘要：JavaService.exe -install TestService "%JAVA_HOME%\jre\bin\server\jvm.dll" -Djava.class.path="%CD%\landi_interface.jar;%JAVA_HOME%\lib\tools.jar" -Xms1 阅读全文

posted @ 2018-07-16 11:53 white knight 阅读(169) 评论(0) 推荐(0)

poi excel 加粗

摘要：参考 https://blog.csdn.net/wellto/article/details/52293202XSSFWorkbook xwb = new XSSFWorkbook(); ... XSSFCell cell... XSSFFont font1 = xwb.createFont(); 阅读全文

posted @ 2018-04-17 14:22 white knight 阅读(780) 评论(0) 推荐(0)

格式化java8 LocalDateTime

摘要：DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss", Locale.CHINA).format(time1); 阅读全文

posted @ 2018-03-27 11:33 white knight 阅读(159) 评论(0) 推荐(0)

java AES 对称加密解密

摘要：package com.xx.ws.util; import javax.crypto.Cipher; import javax.crypto.spec.IvParameterSpec; import javax.crypto.spec.SecretKeySpec; import javax.xml.bind.DatatypeConverter; public class AESOperat... 阅读全文

posted @ 2018-03-14 16:39 white knight 阅读(180) 评论(0) 推荐(0)

java rsa 加解密

摘要：参考 http://blog.csdn.net/a394268045/article/details/52232120 阅读全文

posted @ 2018-03-12 11:15 white knight 阅读(143) 评论(0) 推荐(0)

文件下载不完整问题

摘要：将输出流关闭，并flush 阅读全文

posted @ 2018-03-08 11:01 white knight 阅读(218) 评论(0) 推荐(0)

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随笔分类 - JAVA