JAVA操作Excel 可配置，动态 生成复杂表头 复杂的中国式报表表头
转载：开源社区http://www.oschina.net/code/snippet_1424099_49530?p=2
代码] [Java]代码 该代码实现了Excel复杂表头的生成 基于sql server 的一张树表 你们可以 看代码自行建库 package com.jingjiu.util; import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map; import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFCellStyle;
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.ss.util.Region;
import org.aspectj.weaver.patterns.ThisOrTargetAnnotationPointcut; import com.google.common.collect.Table.Cell; public class GenerExcle { HSSFWorkbook wb =null;
HSSFSheet sheet =null;
HSSFCellStyle style = null; public void reData(){
//所有表头集合
List allTableHead = new ArrayList(); } public GenerExcle(){ wb = new HSSFWorkbook();
sheet = wb.createSheet("new sheet");
style = wb.createCellStyle(); // 样式对象
style.setVerticalAlignment(HSSFCellStyle.VERTICAL_CENTER);// 垂直
style.setAlignment(HSSFCellStyle.ALIGN_CENTER);// 水平 //style.setBottomBorderColor(HSSFCellStyle.BORDER_DOTTED);
style.setWrapText(true); }
/**
* 保存生成的文件
* @param name
*/
public void saveAaSpecName(String name){
OutputStream out;
try {
out = new FileOutputStream(name);
wb.write(out); System.out.println(out);
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} }
public void addRow(int count){
for(int i = 0; i<count; i++)
sheet.createRow((short) i);
}
public void testAll(){
this.addRow(3);
sheet.addMergedRegion(new Region(0,(short)0,2,(short)0));
HSSFRow row = sheet.getRow(0);
HSSFCell cell = row.createCell(0);
cell.setCellValue("公司名");
this.saveAaSpecName("e:/like.xls"); }
/**
* 合并cell并设置值
* @param startRow
* @param startCell
* @param endRow
* @param endCell
* @param leve
* @param cellMove
* @param content
*/
public void mergeCell(int startRow,int startCell,int endRow,int endCell,int leve,int cellMove,String content){ sheet.addMergedRegion(new Region(startRow,(short)startCell,endRow,(short)endCell));
HSSFRow row = sheet.getRow(startRow);
HSSFCell cell= row.createCell(cellMove); cell.setCellValue(content); cell.setCellStyle(style); }
public StringBuffer excleToHtml(){
ExcelShower es = new ExcelShower();
StringBuffer excleToHtml = es.excleToHtml(this.wb);
return excleToHtml; } public static void main(String [] args){
GenerExcle ge = new GenerExcle();
// ge.testAll();
if(true){
// return;
}
int reportId = 1;
getReportHeaderById(ge, reportId);
}
/**
* 根据报表ID遍历该报表的所有表头
* 并以主表头为原子单位进行处理
* @param ge
* @param reportId
*/
private static void getReportHeaderById(GenerExcle ge, int reportId) {
//拿到煤报表的一级所有一级表头
String sql =
"with tem_header(id,pid,headervalue,leve,custom_col) as(\n" +
"\n" +
"select id ,pid, headvalue,leve, custom_col from dbo.headerinfo where pid = 0 and report_id = ?\n" +
"union all\n" +
"select a.id,a.pid,a.headvalue,a.leve ,a.custom_col from dbo.headerinfo a ,tem_header b\n" +
"where a.pid = b.id\n" +
"\n"+
"and a.report_id = ?"+
"\n" +
"\n" +
")\n" +
"select * from tem_header where pid = 0"; PreparedStatement ps = null;
ResultSet rs = null;
Connection connection = null;
try {
connection= DBUtil.getConnection();
ps = connection.prepareStatement(sql);
ps.setInt(1, reportId);
ps.setInt(2, reportId);
ps.executeQuery();
rs = ps.getResultSet();
int max = 0; while (rs.next()) {
int id = rs.getInt("id");
int pid = rs.getInt("pid");
String headvalue = rs.getString("headervalue");
int leve = rs.getInt("leve");
System.out.println("ID"+id+"Pid"+pid+"头名"+headvalue);
//先判断最深层有多少层
int maxLeve = getMaxLeve(reportId,id,connection,ps,rs);
if(maxLeve>max){
max = maxLeve;
} }
//根据最深层添加行
ge.addRow(max);
ps.executeQuery();
rs = ps.getResultSet();
int currentIndex = 0;
int index = 0;
Map<String, Integer> moveInfoMap = new HashMap<String, Integer>();
Map<String, Integer> leveMoveInfoMap = new HashMap<String, Integer>(); moveInfoMap.put("currentIndex",0);
moveInfoMap.put("cellMove", 0); while (rs.next()) {
moveInfoMap.put("index",index);
int id = rs.getInt("id");
int pid = rs.getInt("pid");
String headvalue = rs.getString("headervalue");
int leve = rs.getInt("leve");
int custom_col = rs.getInt("custom_col");
if( leveMoveInfoMap.get(leve+"")==null){
leveMoveInfoMap.put(leve+"",0);
}
System.out.println("ID"+id+"Pid"+pid+"头名"+headvalue); generHeader(id,
pid,
headvalue,
custom_col,
max,
rs,
ps,
connection,
ge,
reportId,
leve,
currentIndex,
moveInfoMap,
leveMoveInfoMap);
//当前索引自加1
currentIndex++;
index++;
} // ge.saveAaSpecName("e:/today.xls");
ge.excleToHtml();
DBUtil.closeResources(connection, ps, rs); System.out.println(connection);
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}finally{
DBUtil.closeResources(connection, ps, rs);
}
} /**
* 判断最深有多少层
* @param i
* @param id
* @param rs
* @param ps
* @return
*/ private static int getMaxLeve(int reportId, int id,Connection con, PreparedStatement ps, ResultSet rs) {
String sql=
"with tem_header(id,pid,headervalue,leve) as(\n" +
"\n" +
"select id ,pid, headvalue,leve from dbo.headerinfo where pid = 0 and report_id = ? and id = ?\n" +
"union all\n" +
"select a.id,a.pid,a.headvalue,a.leve from dbo.headerinfo a ,tem_header b\n" +
"where a.pid = b.id\n" +
"\n"+
"and a.report_id = ?"+
"\n" +
")\n" +
"select count(1) from (select t.leve from tem_header t group by t.leve) mm";
try {
ps = con.prepareStatement(sql);
ps.setObject(1, reportId);
ps.setObject(2, id);
ps.setObject(3,reportId);
rs = ps.executeQuery();
if(rs.next())
return rs.getInt(1);
return -1;
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return 0;
} private static void generAfterHeader(int id,
int pid,
String headvalue,
int max,
ResultSet rs,
PreparedStatement ps,
Connection connection,
GenerExcle ge,
int reportId,
int leve,
int currentIndex,
Map<String, Integer> moveInfoMap,
Map<String, Integer> leveMoveInfoMap,
Map<String, Map<String,Integer>> repairMovePoint,
int index){ /**
* 处理多级表头的合并
*/
//但到表头的直接后继表头
rs = getDirAfter(id,pid,reportId,leve,connection,ps,rs);
//存放直接后继的子头集合
List<DataModel> listResultSets = new ArrayList<DataModel>();
boolean flag = false;
try {
// rs.last();
// int size = rs.getRow();
//rs.first(); while(rs.next()){
int _id= rs.getInt("id");
int _pid = rs.getInt("pid");
String _headvalue = rs.getString("headervalue");
int _leve = rs.getInt("leve");
if( leveMoveInfoMap.get(_leve+"")==null){
leveMoveInfoMap.put(_leve+"",0);
}
Map<String,Integer> infoMovePlus = null;
if(repairMovePoint.get(_leve+1+"")==null){
infoMovePlus = new HashMap<String, Integer>();
}else{
infoMovePlus =repairMovePoint.get(_leve+1+"");
}
infoMovePlus.put(0+"", 0);
infoMovePlus.put(rs.getRow()+"", 0);
repairMovePoint.put(_leve+1+"", infoMovePlus);
/**
* 判断该表头有没有直接后继节点
* 如果有不做向下合并处理
* 如果没有则合并下面的空格
*/ //如果不是最后一行则会发生空出一格的情况这时候需要进行行合并
int _temDownMovePonit = 0;
int _currentMaxLeve = leveMoveInfoMap.get("currentMaxLeve");
if(_leve<_currentMaxLeve&&_leve>1){
ResultSet _rs = getDirAfter(_id, _pid, reportId, _leve, connection, ps, rs);
//如果没有直接后继节点
if(!_rs.next()){
//判断需要向下合并几个位移量
_temDownMovePonit = 3-_leve;
//让以下每一级的指针右移1位补空位
/* if(row==1){
for(int i = 0;i<3-_leve;i++){ // leveMoveInfoMap.put(_leve+i+1+"",leveMoveInfoMap.get(_leve+i+1+"")+1); }
｝*/
//如果是连续有值
if(infoMovePlus.get(rs.getRow()-1+"")!=null&&infoMovePlus.get(rs.getRow()-1+"")>=1){
// infoMovePlus.put(rs.getRow()-1+"",infoMovePlus.get(rs.getRow()-1+"")+1);
} infoMovePlus.put(rs.getRow()+"",infoMovePlus.get(rs.getRow()-1+"")+1); } } int plusPoint = 0;
if(!flag){
if(repairMovePoint.get(_leve+"")!=null){
Map<String, Integer> map = repairMovePoint.get(_leve+"");
int _rowCount = rs.getRow();
for(int i = 1;i<=index;i++)
if(map.get(i+"")!=null){
plusPoint = map.get(i+"");
}
flag = true; }
}
int _sizeMoveCount = leveMoveInfoMap.get(_leve-1+"");
int sizeMoveCount = leveMoveInfoMap.get(_leve+"")+plusPoint;
// int _tem=moveInfoMap.get("cellMove");
int start =_leve-1+(repairMovePoint.get("mainRowCount").get("mainRowCount")-1);
int maxCurrentLeveMegreCell = getMaxCurrentLeveMegreCell(_id, reportId, _pid, ps, rs, connection);
// ge.mergeCell(_leve-1, sizeMoveCount, _leve-1+_temDownMovePonit, sizeMoveCount+maxCurrentLeveMegreCell-1, _leve, sizeMoveCount, _headvalue);
ge.mergeCell(start, sizeMoveCount, start+_temDownMovePonit, sizeMoveCount+maxCurrentLeveMegreCell-1, _leve, sizeMoveCount, _headvalue);
leveMoveInfoMap.put(_leve+"",sizeMoveCount+maxCurrentLeveMegreCell);
//_temDownMovePonit= 0; DataModel dm = new DataModel();
dm.setId(_id);
dm.setPid(_pid);
dm.setHeadvalue(_headvalue);
dm.setMax(max);
dm.setRs(rs);;
dm.setPs(ps);
dm.setConnection(connection);
dm.setGe(ge);
dm.setReportId(reportId);
dm.setLeve(_leve);
dm.setCurrentIndex(currentIndex);
dm.setMoveInfoMap(leveMoveInfoMap);
dm.setLeveMoveInfoMap(leveMoveInfoMap);
dm.setRepairMoveInfo(repairMovePoint); listResultSets.add(dm); // getDirAfter(_id, _pid, reportId, maxCurrentLeveMegreCell, connection, ps, rs);
//break;
// System.out.println("leve 2ID"+_id+"Pid"+_pid+"头名"+_headvalue+""+maxCurrentLeveMegreCell);
}
/**
* 判断该表的最终级别有几列 说明该表的合并列为多少
* 所有单元格的合并最终是看当前表头开始它的最终有多少个子表头
* 也就是最后一行
*/
if(listResultSets!=null&&listResultSets.size()>0){ for(int i = 0 ;i<listResultSets.size() ; i ++){
DataModel dModel = listResultSets.get(i);
dModel.setIndex(i);
generAfterHeader(dModel.getId() , dModel.getPid(), dModel.getHeadvalue(),
dModel.getMax(),
dModel.getRs(),
dModel.getPs(),
dModel.getConnection(),
dModel.getGe(),
dModel.getReportId(),
dModel.getLeve(),
dModel.getCurrentIndex(),
dModel.getMoveInfoMap(),
dModel.getLeveMoveInfoMap(),
dModel.getRepairMoveInfo(),
dModel.getIndex()); } } } catch (SQLException e2) {
// TODO Auto-generated catch block
e2.printStackTrace();
} } /**
* 生成表头
* @param id
* @param pid
* @param headvalue
* @param max
* @param max
* @param rs
* @param ps
* @param connection
* @param ge
* @param leve
* @param currentIndex
* @param moveInfoMap
* @param leveMoveInfoMap
*/
private static void generHeader(int id,
int pid,
String headvalue,
int customCol,
int max, ResultSet rs,
PreparedStatement ps,
Connection connection,
GenerExcle ge,
int reportId,
int leve,
int currentIndex,
Map<String, Integer> moveInfoMap,
Map<String, Integer> leveMoveInfoMap) { //获取当前主表头应该跨几列
int maxMoveCell = getMaxCurrentLeveMegreCell(id,reportId,pid,ps,rs,connection);
Map<String, Integer> _moveInfoMap = new HashMap<String, Integer>();
//获得该主表头的层级
int currentMaxLeve = getMaxLeve(reportId, id, connection, ps, rs);
//获取当前主表头应该占几行
int mainRowCount = max - (currentMaxLeve -1);
if(mainRowCount!=max){
getMax(id, pid, rs, ps, connection, reportId, leve, _moveInfoMap,currentMaxLeve);
if(_moveInfoMap.get("addOtherCell")!=null){
String _max = _moveInfoMap.get("addOtherCell").toString();
maxMoveCell +=Integer.parseInt(_max);
}
}
//以主表头层级关系每开一个主表头的位移量想当于下一个主表头的开始量（这是个累加的过程）
maxMoveCell+=customCol;
if(leveMoveInfoMap.get("allColMove")==null){
leveMoveInfoMap.put("allColMove",maxMoveCell);
}else{
leveMoveInfoMap.put("allColMove",leveMoveInfoMap.get("allColMove")+maxMoveCell);
}
/*
* 把当前主表头的层级关系带进去 以便控制子表如果下沉合并时的位移量
* */
leveMoveInfoMap.put("currentMaxLeve", currentMaxLeve);
System.out.println(maxMoveCell);
//初始化每级行的位移量
for(int i = 1 ;i<=max;i++){
if(leveMoveInfoMap.get(i+"")==null)
leveMoveInfoMap.put(i+"",0);
}
//进行单元格合并
ge.mergeCell(leve-1,
moveInfoMap.get("cellMove"),
mainRowCount-1,
moveInfoMap.get("cellMove")+maxMoveCell-1,
leveMoveInfoMap.get(leve+""),
moveInfoMap.get("cellMove"),
headvalue); moveInfoMap.put("currentIndex",moveInfoMap.get("currentIndex")+maxMoveCell);
moveInfoMap.put("cellMove",moveInfoMap.get("cellMove")+maxMoveCell);
//如果当前表应该占几行与最大行相同则说明该表头没有子表头
if (mainRowCount == max) {
// 如果该主表头没有子表则所有单元格只位移1个
for (int i = 1; i <= max; i++) {
leveMoveInfoMap.put(i + "", leveMoveInfoMap.get(i + "") + 1+customCol);
}
return;
}
/**
* 开始处理后继表头的合并工作
*/
Map<String,Map<String,Integer>> repairMovePoint = new HashMap<String,Map<String,Integer>>();
Map<String,Integer> _tem = new HashMap<String, Integer>();
_tem.put("mainRowCount", mainRowCount);
repairMovePoint.put("mainRowCount",_tem);
generAfterHeader(id,
pid,
headvalue,
maxMoveCell,
rs,
ps,
connection,
ge,
reportId,
leve,
currentIndex,
moveInfoMap,
leveMoveInfoMap,
repairMovePoint,0);
//当一个主表头以级它下面的子表头的填冲合并工作完成后记录最大移动了多少列
//因为下一个主表头的所有数据填冲都会心这个为开始
for(int i=1;i<=max;i++){
leveMoveInfoMap.put(i + "", leveMoveInfoMap.get("allColMove"));
}
} /**
* 获取当前层级元素应该合并多少个单元格
* @param id
* @param reportId
* @param pid
* @param ps
* @param rs
* @param connection
* @return
*/
private static int getMaxCurrentLeveMegreCell(int id, int reportId, int pid,
PreparedStatement ps, ResultSet rs, Connection connection) {
/* String maxCell =
"with tem_header(id,pid,headervalue,leve) as(\n" +
"\n" +
"select id ,pid, headvalue,leve from dbo.headerinfo where pid = ? and report_id = ? and id =?\n" +
"union all\n" +
"select a.id,a.pid,a.headvalue,a.leve from dbo.headerinfo a ,tem_header b\n" +
"where a.pid = b.id\n" +
"\n and a.report_id = ?" +
"\n" +
"\n" +
")\n" +
"select max(aa.a) from (select count(1) a from tem_header group by leve) aa";*/
String maxCell = "with tem_header(id,pid,headervalue,leve) as(\n" +
"\n" +
" select id ,pid, headvalue,leve from dbo.headerinfo where pid = ? and report_id = ? and id =?\n" +
" union all\n" +
" select a.id,a.pid,a.headvalue,a.leve from dbo.headerinfo a ,tem_header b\n" +
" where a.pid = b.id\n" +
" and a.report_id = ?\n" +
"\n" +
"\n" +
" )\n" +
"\n" +
"\n" +
" select top 1 aa.a from (select count(1) a ,leve le from tem_header group by leve) aa order by aa.le desc"; try {
ps = connection.prepareStatement(maxCell);
ps.setInt(1, pid);
ps.setInt(2,reportId);
ps.setInt(3, id);
ps.setInt(4,reportId);
ps.executeQuery();
rs = ps.getResultSet();
if(rs.next()){
return rs.getInt(1);
}
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
return 0;
} /**
*
* @param id
* @param pid
* @param leve
* @param leve2
* @param rs
* @param ps
* @param connection
* @return
*/
private static ResultSet getDirAfter(int id,
int pid,
int reportid,
int leve,
Connection connection,
PreparedStatement ps,
ResultSet rs) {
String sql =
"\n" +
"with tem_header(id,pid,headervalue,leve) as(\n" +
"\n" +
"select id ,pid, headvalue,leve from dbo.headerinfo where pid = ? and report_id = ?\n" +
"union all\n" +
"select a.id,a.pid,a.headvalue,a.leve from dbo.headerinfo a ,tem_header b\n" +
"where a.pid = b.id\n" +
"\n"+
"and a.report_id = ?"+
"\n" +
"\n" +
")\n" +
"select * from tem_header t where t.leve = ?";
try {
ps = connection.prepareStatement(sql,ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_READ_ONLY);
ps.setInt(1, id);
ps.setInt(2,reportid);
ps.setInt(4, leve+1);
ps.setInt(3,reportid);
ps.executeQuery();
return ps.getResultSet();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} return null;
} private static void getMax(int id,
int pid,
ResultSet rs,
PreparedStatement ps,
Connection connection,
int reportId,
int leve,
Map<String, Integer> moveInfoMap,
int currentMaxLeve){ /**
* 处理多级表头的合并
*/
//但到表头的直接后继表头
rs = getDirAfter(id,pid,reportId,leve,connection,ps,rs); /*try {
if(!rs.next()&&leve!=3){
if(moveInfoMap.get("addOtherCell")==null){
moveInfoMap.put("addOtherCell", 0);
moveInfoMap.put("addOtherCell", moveInfoMap.get("addOtherCell")+1);
} }
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}*/
// rs = getDirAfter(id,pid,reportId,leve,connection,ps,rs);
//存放直接后继的子头集合
List<DataModel> listResultSets = new ArrayList<DataModel>();
try {
while(rs.next()){
int _id= rs.getInt("id");
int _pid = rs.getInt("pid");
String _headvalue = rs.getString("headervalue");
int _leve = rs.getInt("leve");
//如果当前层级不是最深层
//判断该表头有没有直接后继节点
if(_leve<currentMaxLeve){ ResultSet _rs = getDirAfter(_id,_pid,reportId,_leve,connection,ps,rs);
//如果没有直接后继节点
if(!_rs.next()){ if(moveInfoMap.get("addOtherCell")==null){
moveInfoMap.put("addOtherCell", 0);
moveInfoMap.put("addOtherCell", moveInfoMap.get("addOtherCell")+1);
}else{
moveInfoMap.put("addOtherCell", moveInfoMap.get("addOtherCell")+1);
} } } DataModel dm = new DataModel();
dm.setId(_id);
dm.setPid(_pid);
dm.setHeadvalue(_headvalue); dm.setRs(rs);;
dm.setPs(ps);
dm.setConnection(connection);
dm.setReportId(reportId);
dm.setLeve(_leve);
dm.setMoveInfoMap(moveInfoMap);
listResultSets.add(dm); // getDirAfter(_id, _pid, reportId, maxCurrentLeveMegreCell, connection, ps, rs);
//break;
// System.out.println("leve 2ID"+_id+"Pid"+_pid+"头名"+_headvalue+""+maxCurrentLeveMegreCell);
}
/**
* 判断该表的最终级别有几列 说明该表的合并列为多少
* 所有单元格的合并最终是看当前表头开始它的最终有多少个子表头
* 也就是最后一行
*/
if(listResultSets!=null&&listResultSets.size()>0){ for(int i = 0 ;i<listResultSets.size() ; i ++){
DataModel dModel = listResultSets.get(i);
getMax(dModel.getId() , dModel.getPid(), dModel.getRs(),
dModel.getPs(),
dModel.getConnection(),
dModel.getReportId(), dModel.getLeve(),dModel.getMoveInfoMap(),
currentMaxLeve ); } } } catch (SQLException e2) {
// TODO Auto-generated catch block
e2.printStackTrace();
} } }
JAVA操作Excel 可配置，动态 生成复杂表头 复杂的中国式报表表头的更多相关文章
- Java操作Jxl实现导出数据生成Excel表格数据文件
实现:前台用的框架是Easyui+Bootstrap结合使用,需要引入相应的Js.Css文件.页面:Jsp.拦截请求:Servlet.逻辑处理:ClassBean.数据库:SQLserver. 注意: ...
- java操作Excel、PDF文件
java操作Excel.PDF文件 分享者:Vashon 分享来源:CSDN博客 下面这些是在开发中用到的一些东西,有的代码贴的不是完整的,只是贴出了关于操作EXCEL的代码: jxl是一个*国人写的 ...
- JAVA操作Excel时文字自适应单元格的宽度设置方法
使用JAVA操作Excel通常都使用JXL,方法很简单网上也有很多的教程,然后往往一些细节性的问题却导致我们这些Programmer苦恼不已.这两天帮一个朋友做一个Excel表格自动生成的小软件,就遇 ...
- java操作excel 工具类
java操作excel 可参考https://blog.csdn.net/xunwei0303/article/details/53213130 直接上代码: 一.java生成excel文件: pac ...
- Java 操作 EXCEL
今天帮朋友写了一段用来处理EXCEL内容的程序,在这里记录下自己的学习过程.主要是对EXCEL表格中的内容做分类和统计,使用计算机来做这种重复的机械性地工作再好不过了.首先,我们需要下载一个java操 ...
- java操作Excel处理数字类型的精度损失问题验证
java操作Excel处理数字类型的精度损失问题验证: 场景: CELL_TYPE_NUMERIC-->CELL_TYPE_STRING--->CELL_TYPE_NUMERIC POI版 ...
- jxl的使用总结（java操作excel）
jxl.jar是通过java操作excel表格的工具类库: jxl.jar包:链接:http://pan.baidu.com/s/1o8qFJHw 密码:5jyq 1:通过模拟实现创建一个表格,然后模 ...
- Java操作Excel文件以及在Android中的应用
本文章由临江仙原创,转载请注明出处:http://blog.csdn.net/zhy_cheng/article/details/10286563 Excel作为一种有格式的文件,可以使用Java来对 ...
- 【转载】jxl的使用总结（java操作excel）
jxl.jar是通过java操作excel表格的工具类库: 链接:https://pan.baidu.com/s/1AAT_eA_Q47zFeQohap6eQg 提取码:777b 1:通过模拟实现创建 ...
随机推荐
- myeclipse ctrl+shift+F失效
因为在使用搜狗输入法,切换到英文状态,输入ctrl+shift+F,格式化完之后,然后再换回来
- 20145120 《Java程序设计》第3周学习总结
20145120 <Java程序设计>第3周学习总结 教材学习内容总结 基本类型与类类型的概念 在java里使用数组和字符串 封装的概念 在java定义函数 重载的概念 static的概念 ...
- asp.net中XmlDocument解析出现出错，处理特殊字符
xml结构会解析一些特殊字符,特别是& < 所以我们需要把结构放在CDATA中处理,CDATA里面的内容在XmlDocument 解析时会自动忽略掉,不会解析里面的内容:因此,我这里就 ...
- ACCESS数据库C#操作类（包含事务）
转自http://blog.csdn.net/allen3010/article/details/6336717 这个是针对ACCESS数据库操作的类,同样也是从SQLHELPER提取而来,分页程序的 ...
- 1561:The more, The Better - hdu
Problem DescriptionACboy很喜欢玩一种战略游戏,在一个地图上,有N座城堡,每座城堡都有一定的宝物,在每次游戏中ACboy允许攻克M个城堡并获得里面的宝物.但由于地理位置原因,有些 ...
- 1021 玛丽卡 - Wikioi
题目描述 Description麦克找了个新女朋友,玛丽卡对他非常恼火并伺机报复. 因为她和他们不住在同一个城市,因此她开始准备她的长途旅行. 在这个国家中每两个城市之间最多只有一条路相通,并且我们知 ...
- IOS7 适配时导航栏变黑
当适配IOS的布局时遇到问题:导航栏和菜单栏后台会变黑色. self.edgesForExtendedLayout = UIRectEdgeNone; 原因是系统默认这两个控件是半通明的. 解决方案: ...
- 15个实用的jQuery技术
JQuery是目前最流行的JavaScript框架之一,可以显著的提高用户与网络应用的交互. 今天为大家介绍50有用的jQuery技术: 1.移动Box 2.滑动框和标题 3.数据的可视化:使用HTM ...
- ERROR: JDWP Unable to get JNI 1.2 environment, jvm->GetEnv() return code = -2 JDWP exit error AGENT_ERROR_NO_JNI_ENV(183):
eclipse中进行java debug调试时出现上述问题. solution:请在代码最后加入以下语句:System.exit(0)即可.
- iOS开发网络篇-NSURLSession介绍
NSURLSession: 作用: 和NSURLConnection一样 1.负责发送请求,建立客户端和服务器的连接发送数据给服务器 2.并收集来自服务器的响应数据 步骤: 1.创建NSURLSess ...