/*** 按列寫入Excel并設置格式

*

*@paramoutputUrl

* 輸出路徑

*@paramsheetName

* 工作薄名稱

*@paramtitles

* 表頭

*@paramarrayList

* 表頭數據

*@throwsIOException

*@throwsRowsExceededException

*@throwsWriteException*/

public static voidwriteExcel(String outputUrl, String sheetName, String[] titlesArray,

ArrayList... arrayList) throwsIOException, RowsExceededException, WriteException {if (outputUrl == null || outputUrl.length() == 0) {

System.out.println("Param(s) Error:outputUrl is required and the length of outputUrl is required greater than 0.");return;

}int n =arrayList.length;if (titlesArray.length !=n) {

System.out.println("Param(s) Error:the titles' length is hoped to be equal to arrayList's length.");return;

}//創建Excel文件

File file = newFile(outputUrl);

file.createNewFile();//創建工作簿

WritableWorkbook workbook =Workbook.createWorkbook(file);//創建sheet，設置名稱為sheetName，默認Sheet1

if (sheetName == null || sheetName.length() == 0) {

sheetName= "Sheet1";

}

WritableSheet sheet= workbook.createSheet(sheetName, 0);//設置titles

String[] titles =titlesArray;//設置表頭：列名和各種格式

for (int i = 0; i < titles.length; i++) {

WritableFont font= new WritableFont(WritableFont.ARIAL, 10, WritableFont.BOLD);

CellView cellView= newCellView();

cellView.setAutosize(true); //設置自動大小

sheet.setColumnView(i, cellView); //根據內容自動設置列寬

WritableCellFormat format = newWritableCellFormat(font);

format.setAlignment(Alignment.CENTRE);//居中對齊

format.setBackground(Colour.YELLOW); //背景色

format.setBorder(Border.ALL, BorderLineStyle.THICK, Colour.BLACK);//邊框

Label label = new Label(i, 0, titles[i], format);

sheet.addCell(label);

}//寫入數據，并設置一些格式

for (int i = 0; i < n; i++) {for (int j = 0; j < arrayList[i].size(); j++) {//WritableFont.createFont("宋體")：設置字體為宋體//10：設置字體大小//WritableFont.BOLD:設置字體加粗(BOLD：加粗 NO_BOLD：不加粗)//false：設置非斜體//UnderlineStyle.NO_UNDERLINE：沒有下劃線

WritableFont font = new WritableFont(WritableFont.createFont("宋體"), 10, WritableFont.NO_BOLD);

WritableCellFormat format= newWritableCellFormat(font);

Label label= new Label(i, j + 1, arrayList[i].get(j), format);

sheet.addCell(label);

}

}//寫入數據

workbook.write();//關閉工作簿

workbook.close();

}

總結

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