word 进行数据库 获取数据

/**

* Word导出

* @throws DocumentException

*/

public void exeportWord() throws DocumentException{

//放到tomcat下

String formName="word";

String pathName=ServletActionContext.getRequest().getSession().getServletContext().getRealPath("")+"\\export\\"+formName+".doc";

//4.1定义表头

String tableName="T_USER";

String tableCName = selectDataService.getString("select comments from user_tab_comments where table_name ='"+tableName+"'");

//4.2获取表的中文注释

List<Map> list=selectDataService.queryForList("select t.column_name,t.comments from user_col_comments t where table_name ='"+tableName+"'");

//4.2 创建一个list

List<String> columns=new ArrayList<String>();

Map<String, String> colmap=new TreeMap<String, String>();

for (Map map:list) {

//把数据库里的注释取出来，放到columns里

columns.add(map.get("COMMENTS").toString());

//把數據庫的中文注釋放到map集合中

colmap.put(map.get("COMMENTS").toString(), map.get("COLUMN_NAME").toString());

}

FileOutputStream outputStream=null;

Document document=null;

try {

//创建输出流

outputStream=new FileOutputStream(pathName);

//创建document对象

document=new Document(PageSize.A4);

//输出流 与document 进行关联

RtfWriter2.getInstance(document, outputStream);

//打开document

document.open();

//定义字体

BaseFont createFont = BaseFont.createFont("STSong-Light","UniGB-UCS2-H",BaseFont.NOT_EMBEDDED);

Font font=new Font(createFont,10,Font.BOLD);

//写入字体

Paragraph paragraph=new Paragraph("用户管理",font);

//把他放到中间

paragraph.setAlignment("center");

//保存到document

document.add(paragraph);

//换行

document.add(new Paragraph("\n",font));

// 从数据库里取出所有数据

List<Map> dataList=selectDataService.queryForList("select * from "+tableName);

//写表格

PdfPTable pdf= new PdfPTable(columns.size());

PdfPCell cell=null;

//创建表格

for(int i=0;i<11;i++){

String zhang = columns.get(i);

cell=new PdfPCell(new Phrase(zhang, font));

pdf.addCell(cell);

}

for (int i = 0; i < dataList.size(); i++) {

//获取一行一行的数据

Map cols=dataList.get(i);

//j循环是循环一条数据里的每个值

for (int j = 0; j < cols.size(); j++) {

//放到每个单元格里

String fangyuange = columns.get(j);

//去英文字段

String ing = colmap.get(fangyuange);

//放到列种

Object value = cols.get(ing);

//创建单元格(通过行)放进单元格

cell = new PdfPCell(new Phrase(""+value,font));

pdf.addCell(cell);

}

}

document.add(pdf);

// ServletActionContext.getResponse().getWriter().write("ok");

} catch (FileNotFoundException e) {

// TODO Auto-generated catch block

e.printStackTrace();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}finally{

document.close();

try {

outputStream.close();

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

}

FileUtil.downloadFile(ServletActionContext.getRequest(), ServletActionContext.getResponse(), pathName, formName+".doc"); //看图片

// return null;

}