資料匯出Excel表 資料庫資料匯出

public static hashmapcolumn = new hashmap();

static

/*** 

* @param table 要匯出的表

* @param name  匯出的excel表名稱、表頭

* @throws exception

*/public void createexcel(string table, string name) throws exception

//excel**

writableworkbook book = workbook.createworkbook(new file(path));

writablesheet sheet = book.createsheet("sheet1", 0);

//整體**樣式

writablecellformat format = new writablecellformat();

format.setalignment(alignment.centre);

format.setverticalalignment(verticalalignment.centre);

format.setwrap(false);

//**標題樣式

writablecellformat titleformat = new writablecellformat();

titleformat.setalignment(alignment.centre);

titleformat.setverticalalignment(verticalalignment.centre);

titleformat.setwrap(false);

writablefont font = new writablefont(writablefont.arial, 15, writablefont.bold);

titleformat.setfont(font);

//**表頭樣式

writablecellformat columnformat = new writablecellformat();

columnformat.setalignment(alignment.centre);

columnformat.setverticalalignment(verticalalignment.centre);

columnformat.setwrap(false);

writablefont columnfont = new writablefont(writablefont.arial, 10, writablefont.bold);

columnformat.setfont(columnfont);

//設定**根據內容多少自動擴容

cellview view = new cellview();

view.setautosize(true);

//獲取資料庫連線，根據你自己的系統情況獲取相應資料庫連線

connection conn = getsession().connection();

preparedstatement ps = conn.preparestatement("select * from " + table + "");

resultset set = ps.executequery();

//獲取列屬性：列數、列名稱

resultsetmetadata meta = set.getmetadata();

int columncount = meta.getcolumncount();

for (int i = 1; i <= columncount; i++)

sheet.mergecells(0, 0, columncount - 1, 1);

label title = new label(0, 0, name, titleformat);

sheet.addcell(title);

int amount = 3;

while(set.next())

amount++;

}// 寫入資料並關閉檔案

book.write();

book.close();

}catch (runtimeexception e)

}

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