【学习笔记】Python网络编程(二)socket处理多个连接

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需要jar包 ，至少要这几种
poi-3.7-20101029.jar
poi-ooxml-3.7-20101029.jar
poi-ooxml-schemas-3.7-20101029.jar
xmlbeans-2.3.0.jar

package com.yiwanj.core.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.text.DecimalFormat;
import java.text.SimpleDateFormat;
import java.util.LinkedList;
import java.util.List;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFDateUtil;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;

public class ExcelUtil {

public static void main(String[] args) {
File file = new File("D:\\Tomcat 6\\webapps\\export\\upload\\Book1.xlsx");
try {
List list = readExcel(file);
for (int i = 0; i < list.size(); i++) {
List one = (List) list.get(i);
System.out.println(one.get(0));
System.out.println(one.get(1));
System.out.println(one.get(2));
System.out.println(one.get(3));
}
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* 对外提供读取excel 的方法
* */
public static List<List<Object>> readExcel(File file) throws IOException{
String fileName = file.getName();
String extension = fileName.lastIndexOf(".")==-1?"":fileName.substring(fileName.lastIndexOf(".")+1);
if("xls".equals(extension)){
return read2003Excel(file);
}else if("xlsx".equals(extension)){
return read2007Excel(file);
}else{
throw new IOException("不支持的文件类型");
}
}
/**
* 读取 office 2003 excel
* @throws IOException
* @throws FileNotFoundException */
private static List<List<Object>> read2003Excel(File file) throws IOException{
List<List<Object>> list = new LinkedList<List<Object>>();
HSSFWorkbook hwb = new HSSFWorkbook(new FileInputStream(file));
HSSFSheet sheet = hwb.getSheetAt(0);
Object value = null;
HSSFRow row = null;
HSSFCell cell = null;
for(int i = sheet.getFirstRowNum();i<= sheet.getPhysicalNumberOfRows();i++){
row = sheet.getRow(i);
if (row == null) {
continue;
}
List<Object> linked = new LinkedList<Object>();
for (int j = row.getFirstCellNum(); j <= row.getLastCellNum(); j++) {
cell = row.getCell(j);
if (cell == null) {
continue;
}
DecimalFormat df = new DecimalFormat("0");// 格式化 number String 字符
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 格式化日期字符串
DecimalFormat nf = new DecimalFormat("0.00");// 格式化数字
switch (cell.getCellType()) {
case XSSFCell.CELL_TYPE_STRING:
System.out.println(i+"行"+j+" 列 is String type");
value = cell.getStringCellValue();
break;
case XSSFCell.CELL_TYPE_NUMERIC:
System.out.println(i+"行"+j+" 列 is Number type ; DateFormt:"+cell.getCellStyle().getDataFormatString());
if("@".equals(cell.getCellStyle().getDataFormatString())){
value = df.format(cell.getNumericCellValue());
} else if("General".equals(cell.getCellStyle().getDataFormatString())){
value = nf.format(cell.getNumericCellValue());
}else{
value = sdf.format(HSSFDateUtil.getJavaDate(cell.getNumericCellValue()));
}
break;
case XSSFCell.CELL_TYPE_BOOLEAN:
System.out.println(i+"行"+j+" 列 is Boolean type");
value = cell.getBooleanCellValue();
break;
case XSSFCell.CELL_TYPE_BLANK:
System.out.println(i+"行"+j+" 列 is Blank type");
value = "";
break;
default:
System.out.println(i+"行"+j+" 列 is default type");
value = cell.toString();
}
if (value == null || "".equals(value)) {
continue;
}
linked.add(value);
}
list.add(linked);
}
return list;
}
/**
* 读取Office 2007 excel
* */
private static List<List<Object>> read2007Excel(File file) throws IOException {
List<List<Object>> list = new LinkedList<List<Object>>();
// 构造 XSSFWorkbook 对象，strPath 传入文件路径
XSSFWorkbook xwb = new XSSFWorkbook(new FileInputStream(file));
// 读取第一章表格内容
XSSFSheet sheet = xwb.getSheetAt(0);
Object value = null;
XSSFRow row = null;
XSSFCell cell = null;
for (int i = sheet.getFirstRowNum(); i <= sheet
.getPhysicalNumberOfRows(); i++) {
row = sheet.getRow(i);
if (row == null) {
continue;
}
List<Object> linked = new LinkedList<Object>();
for (int j = row.getFirstCellNum(); j <= row.getLastCellNum(); j++) {
cell = row.getCell(j);
if (cell == null) {
continue;
}
DecimalFormat df = new DecimalFormat("0");// 格式化 number String 字符
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 格式化日期字符串
DecimalFormat nf = new DecimalFormat("0.00");// 格式化数字
switch (cell.getCellType()) {
case XSSFCell.CELL_TYPE_STRING:
System.out.println(i+"行"+j+" 列 is String type");
value = cell.getStringCellValue();
break;
case XSSFCell.CELL_TYPE_NUMERIC:
System.out.println(i+"行"+j+" 列 is Number type ; DateFormt:"+cell.getCellStyle().getDataFormatString());
if("@".equals(cell.getCellStyle().getDataFormatString())){
value = df.format(cell.getNumericCellValue());
} else if("General".equals(cell.getCellStyle().getDataFormatString())){
value = nf.format(cell.getNumericCellValue());
}else{
value = sdf.format(HSSFDateUtil.getJavaDate(cell.getNumericCellValue()));
}
break;
case XSSFCell.CELL_TYPE_BOOLEAN:
System.out.println(i+"行"+j+" 列 is Boolean type");
value = cell.getBooleanCellValue();
break;
case XSSFCell.CELL_TYPE_BLANK:
System.out.println(i+"行"+j+" 列 is Blank type");
value = "";
break;
default:
System.out.println(i+"行"+j+" 列 is default type");
value = cell.toString();
}
if (value == null || "".equals(value)) {
continue;
}
linked.add(value);
}
list.add(linked);
}
return list;
}
}