We will use the following formula, “=MID(B2,FIND(”“,B2),100)”. In this formula, the MID function searches the string at B2 and starts the substring from the first character, here search function fetches the
1.字符串的截取- (NSString *)substringFromIndex:(NSUInteger)from; 从指定位置from开始(包括指定位置的字符)到尾部 从指定位置from开始(包括指定位置的字符)到尾部 - (NSString *)substringToIndex:(NSUInt 字符串 指定位置 子串 转载 mb5ff981d806017 ...
How to Remove Left or Right Characters in Excel? Step 1:Open Excel and select a cell. Step 2 (Remove Left Character):To delete the first character from a string, use this formula: =RIGHT(A2, LEN(A2) - 1) Step 3 (Remove Right Character):To delete the last character from a string,...
LEFT To extract the leftmost characters from a string, use the LEFT function in Excel. To extract a substring (of any length) before the dash, add the FIND function. Explanation: the FIND function finds the position of the dash. Subtract 1 from this result to extract the correct number of...
}returntrue;// 所有列都为空,是空行}publicstaticstringMidStrEx(stringsourse,stringstartstr,stringendstr){stringresult =string.Empty;intstartindex, endindex;try{ startindex = sourse.IndexOf(startstr);if(startindex ==-1)returnresult;stringtmpstr = sourse.Substring(startindex + startstr.Length); ...
4.XSSFWorkbook类GetSheet:获取表。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 publicISheetGetSheet(string name){foreach(XSSFSheet sheetinthis.sheets){if(name.Equals(sheet.SheetName,StringComparison.InvariantCultureIgnoreCase)){returnsheet;}}returnnull;}...
publicvoidRemoveDuplicateData(){Workbookworkbook=newWorkbook(); workbook.open("resources/DuplicateRows.xlsx");IWorksheetsheet=workbook.getActiveSheet();IRangeusedRange=sheet.getUsedRange(); HashSet<String> set =newHashSet<>(); Stack<IRange> deleteRows =newStack<>();for(intr=1; r < usedRange....
String fileName = file.getOriginalFilename(); fileName = fileName.substring(0, fileName.indexOf(".")); try { long t1 = new Date().getTime(); ("===开始解析上传文件==="); ExcelParser parse = null; try { // InputStream inputStream = file...
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substring(classname.lastIndexOf(".") + 1, 38 classname.length()); 39 } 40 //从/data文件夹下读取以类名命名的excel文件 41 String path = "data/" + classname + ".xls"; 42 InputStream inputStream = new FileInputStream(path); 43 44 book = Workbook.getWorkbook(inputStream); 45 //取...