雖然知道excel導出可能會出現要記錄要分多個sheet的情況，但迄今為止還是沒有遇到過，今天有空試了一把

export

try{

查詢開始///

Class.forName("oracle.jdbc.driver.OracleDriver");

//連接數據庫

java.sql.Connection conn = java.sql.DriverManager.getConnection("jdbc:oracle:thin:@127.0.0.1:1521:test","test","test123");

long start = 0;

long end = 100000;

//查詢記錄

List list = com.test.TEST_Manager.selectByCondition(conn, null,start,end);

int length = list.size();

//查詢結果記錄數

//設置每個sheet顯示的記錄數

int sheetSize = 100;

//有多少個sheet

int sheetNum = 1;

//計算要創建的sheet個數

if(length%sheetSize > 0){

sheetNum = length/sheetSize+1;

}else{

sheetNum = length/sheetSize;

}

conn.close();

conn = null;

查詢結束///

//導出excel的名稱

String fileName = "test_list.xls";

response.reset();

response.setHeader("Content-Disposition", "attachment; filename=" + fileName);

response.setContentType("application/vnd.ms-excel");

//輸出流

java.io.OutputStream os = response.getOutputStream();

//創建可寫工作薄

jxl.write.WritableWorkbook wwb = jxl.Workbook.createWorkbook(os);

for(int kk=0; kk

; kk++){

/創建sheet[kk]開始/

//創建可寫工作表

jxl.write.WritableSheet ws = wwb.createSheet(("sheet"+kk), kk);

//設定第一行的行高

ws.setRowView(0,400);

//將第一列的寬度設為20

ws.setColumnView(0,15);

ws.setColumnView(1,30);

ws.setColumnView(2,30);

ws.setColumnView(3,30);

ws.setColumnView(4,30);

ws.setColumnView(5,15);

ws.setColumnView(6,30);

ws.setColumnView(7,15);

//設置標題開始

//設置寫入字體

jxl.write.WritableFont wf = new jxl.write.WritableFont(jxl.write.WritableFont.ARIAL, 11,jxl.write.WritableFont.BOLD, false);

//設置CellFormat

jxl.write.WritableCellFormat wcfF = new jxl.write.WritableCellFormat(wf);

//用于Number的格式

//jxl.write.NumberFormat nf = new jxl.write.NumberFormat("0.00");

//jxl.write.WritableCellFormat priceformat = new jxl.write.WritableCellFormat(nf);

// 把水平對齊方式指定為左對齊

wcfF.setAlignment(jxl.format.Alignment.LEFT);

// 把垂直對齊方式指定為居中對齊

wcfF.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE);

//設置列名

jxl.write.Label labelCF1 = new jxl.write.Label(0, 0, "測試ID",wcfF);

jxl.write.Label labelCF2 = new jxl.write.Label(1, 0, "測試名稱",wcfF);

jxl.write.Label labelCF3 = null;

labelCF3 = new jxl.write.Label(2, 0, "測試上線時間",wcfF);

jxl.write.Label labelCF4 = new jxl.write.Label(3, 0, "別名",wcfF);

jxl.write.Label labelCF5 = new jxl.write.Label(4, 0, "數量",wcfF);

jxl.write.Label labelCF6 = new jxl.write.Label(5, 0, "狀態1",wcfF);

jxl.write.Label labelCF7 = new jxl.write.Label(6, 0, "狀態2",wcfF);

jxl.write.Label labelCF8 = new jxl.write.Label(7, 0, "類型",wcfF);

//綁定值

ws.addCell(labelCF1);

ws.addCell(labelCF2);

ws.addCell(labelCF3);

ws.addCell(labelCF4);

ws.addCell(labelCF5);

ws.addCell(labelCF6);

ws.addCell(labelCF7);

ws.addCell(labelCF8);

//設置標題結束

jxl.write.WritableFont wf1 = new jxl.write.WritableFont(jxl.write.WritableFont.ARIAL, 11,jxl.write.WritableFont.NO_BOLD, false);

//設置CellFormat

jxl.write.WritableCellFormat wcfF2 = new jxl.write.WritableCellFormat(wf1);

/循環寫excel主體開始

for(int i = kk*sheetSize; i< (kk+1)*sheetSize ; i++

){

if(i

){

com.test.TEST test = (com.test.TEST) list.get(i);

jxl.write.Label data1 = new jxl.write.Label(0, i+1-(kk*sheetSize)

, (""+test.getTestid()),wcfF2);

jxl.write.Label data2 = new jxl.write.Label(1, i+1-(kk*sheetSize)

, (""+test.getTest_name()),wcfF2);

jxl.write.Label data3 = new jxl.write.Label(2, i+1-(kk*sheetSize)

, (""+test.getTest_date()),wcfF2);

jxl.write.Label data4 = new jxl.write.Label(3, i+1-(kk*sheetSize)

, (""+test.getOthername()),wcfF2);

jxl.write.Label data5 = new jxl.write.Label(4, i+1-(kk*sheetSize)

, (""+test.getSize()),wcfF2);

jxl.write.Label data6 = new jxl.write.Label(5, i+1-(kk*sheetSize)

, (""+test.getState1()),wcfF2);

jxl.write.Label data7 = new jxl.write.Label(6, i+1-(kk*sheetSize)

, (""+test.getState2()),wcfF2);

jxl.write.Label data8 = new jxl.write.Label(7, i+1-(kk*sheetSize)

, (""+test.getType()),wcfF2);

ws.addCell(data1);

ws.addCell(data2);

ws.addCell(data3);

ws.addCell(data4);

ws.addCell(data5);

ws.addCell(data6);

ws.addCell(data7);

ws.addCell(data8);

}else{

break;

}

}

/循環寫excel主體結束

/創建sheet[kk]結束/

}

//我猜測數據太多時，可能會導致內存溢出

wwb.write();

wwb.close();

os.flush();

os.close();

out.clear();

out = pageContext.pushBody();

}catch(Exception e){

e.printStackTrace();

}

%>

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