在C#中for循环和foreach循环有什么区别？
摘要：区别：for 你先要给初值，末值和步长foreach 不需要事先给定初值，末值和步长，他是自动遍历给定的集合体的所有值string[] a=new string[]{"a","b"}for(i=0;i<a.length;i++){Response.write(a[i].ToString())}foreach(string b in a){Response.write b}
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读取EXCEL
摘要：using (FileStream fs = new FileStream(inputFile, FileMode.Open, FileAccess.Read)) { HSSFWorkbook workbook = new HSSFWorkbook(fs); HSSFSheet sheet1 = (HSSFSheet)workbook.GetSheetAt(0); using (FileStream csv = new FileStream(outputFil...
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