intindexOf(String str,intfromIndex):返回指定字符串在此字符串中从指定位置后第一次出现处的索引。 lastIndexOf String substring(intstart):从指定位置开始截取字符串,默认到末尾。 String substring(intstart,intend):从指定位置开始到指定位置结束截取字符串。 案例: ublicclassDemo5_StringMethod { publicstaticvo...
6 //创建新的工作表OleDbCommand cmd = myCon.CreateCommand();//创建工作表命令 string sheetName1 = "刀具预估数量"; if (tableName.Contains(sheetName1)) { cmd.CommandText = "DROP TABLE 刀具预估数量"; cmd.ExecuteNonQuery();// 执行创建sheet的语句 } cmd.CommandText = "CREATE...
string[] vals = lines[i].Split('\t'); this.View.Model.CreateNewEntryRow("FEntity"); int j = 1; this.View.Model.SetValue("FCHECK", true, i - sindex+ rowcount); foreach (string tmp in vals) { string ntmp = tmp.Replace("\n", "").Replace(" ", "").Replace("\t", "")...
contains(s.substring(j, i))) { f[i] = true; break; } } } if (f[s.length()]) { dfs(s, res, new StringBuilder(), set, 0, max, min); } return res; } private void dfs(String s, List<String> res, StringBuilder sb, Set<String> set, int index, int max, int min) { ...
}try{//1.创建输入流String substring = excelFileName.substring(excelFileName.lastIndexOf(".") + 1);switch(substring) {case"xls"://1、读取输入流HSSFWorkbook hssfWorkbook =newHSSFWorkbook(file.getInputStream());//2.读取工作簿HSSFSheet hssfSheet = hssfWorkbook.getSheetAt(0);//3.读取行//...
The stored data in excel comprises of various Alphanumeric string. The text consisting of certain characters of this alphanumeric string are considered as substring. Various types of information consist of a number of substrings. These substrings are mos
sql.substring(0, len) : sql); } /** * 计数 * * @param sql * @return */ @Override public long count(String sql) { String countSQL = getCountSqlFromQuerySql(sql); if (StrUtil.isBlank(countSQL)) { throw new RuntimeException("计数语句不得为空,SQL为:" + sql); } long ret = ...
String fileType = path.substring(path.lastIndexOf(".") + 1); // return a list contains many list List<List<String>> lists = new ArrayList<List<String>>(); //读取excel文件 InputStream is = null; try { is = new FileInputStream(path); ...
ByteArrayInputStream(fileBytes); // 3. 将流转为excel工作薄 String fileType = getFileT...
contains("#")) throw new ServiceException("规则中的颜色代码格式不正确,请使用颜色16进制代码!"); String rgbS = color.substring(1); byte[] rgbB = new byte[0]; // get byte array from hex string rgbB = Hex.decodeHex(rgbS); XSSFColor finalColor = new XSSFColor(rgbB, null); //...