需要导包 jxl

package com.dj.dao.utils;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStreamWriter;
import java.io.Writer;
import jxl.Cell;
import jxl.Sheet;
import jxl.Workbook;
public class ExcelToSql {public static void main(String[] args) {jxl.Workbook readwb = null;try {System.out.println("开始读取");// 构建Workbook对象, 只读Workbook对象// 直接从本地文件创建WorkbookInputStream instream = new FileInputStream("D:\\sanxia\\doc\\trunk\\新oa\\系统设计\\数据库设计\\乌商项目管理平台表结构汇总.xls");readwb = Workbook.getWorkbook(instream);String path = "D:\\sanxia\\doc\\trunk\\新oa\\系统设计\\数据库设计\\sql\\";for (int sheetNum = 1; sheetNum < readwb.getNumberOfSheets(); sheetNum++) {// Sheet的下标是从0开始// 获取第一张Sheet表Sheet readsheet = readwb.getSheet(sheetNum);// 获取Sheet表中所包含的总列数int rsColumns = readsheet.getColumns();// 获取Sheet表中所包含的总行数int rsRows = readsheet.getRows();// 获取指定单元格的对象引用String sql = "";String tableName = "";String PK = "";for (int i = 0; i < rsRows; i++) {Cell[] str = readsheet.getRow(i);if (i == 0) {tableName = str[0].getContents().toString();int startIndex = tableName.indexOf("（");if (-1 == startIndex) {startIndex = tableName.indexOf("(");}int endIndex = tableName.indexOf("）");if (-1 == endIndex) {endIndex = tableName.indexOf(")");}// System.out.println(tableName+":"+startIndex+"|"+endIndex);tableName = tableName.substring(startIndex + 1,endIndex);if (tableName == null || "".equals(tableName.trim())) {System.out.println("表名未知，请检查");break;}tableName = tableName.toUpperCase();System.out.println("tableName:" + tableName);sql = sql + "drop table " + tableName + ";\n";sql = sql + "CREATE TABLE " + tableName;sql = sql + "\n(\n";}if (i == 1) {continue;}if (i >= 2) {if (i < 6) {if (str[5].getContents().toString().contains("PK")) {PK = PK + "," + str[1].getContents().toString();}}String colName = String.format("%-30s", str[1].getContents().toString());String colSize = String.format("%-20s", str[3].getContents().toString());if ("M".equals(str[4].getContents().toString())) {sql = sql + "\t" + colName + " " + colSize+ " NOT NULL ,\n";} else {sql = sql + "\t" + colName + " " + colSize+ "  ,\n";}}}if (PK.length() < 1) {System.out.println("表主键无主键,请自行添加,注意最后一列去掉逗号");} else {sql = sql + "\t\t PRIMARY KEY (" + PK.substring(1)+ ")    \n";}sql = sql + ");\n";// sql = sql +// "CREATE INDEX "+tableName+".INDEX1 ON "+tableName+"(KEY1,KEY2);     --请自行替换KEY1、KEY2\n";for (int i = 0; i < rsRows; i++) {Cell[] str = readsheet.getRow(i);if (i == 0) {String tableNamePre = str[0].getContents().toString();int startIndex = tableNamePre.indexOf("（");if (-1 == startIndex) {startIndex = tableNamePre.indexOf("(");}tableNamePre = tableNamePre.substring(0, startIndex);;if (tableNamePre == null|| "".equals(tableNamePre.trim())) {System.out.println("表名称未知，请检查");break;}String comment = tableNamePre;sql = sql + "COMMENT ON TABLE " + tableName + " IS '"+ comment + "'\n";}if (i == 1) {continue;}if (i >= 2) {String remark = str[5].getContents().toString();remark = remark.replace("'", "");remark = remark.replace("\"", "");remark = remark.replace(",", "");remark = remark.replace("，", "");remark = remark.replace("。", "");remark = remark.replace(".", "");String comment = "";if ("".equals(remark.trim())) {comment = str[2].getContents().toString();} else {comment = str[2].getContents().toString() + ": "+ remark;}sql = sql + "COMMENT ON COLUMN " + tableName + "."+ str[1].getContents().toString() + " IS '"+ comment + "';\n";}}sql = sql.toUpperCase();File file = new File(path + tableName + ".sql");Writer outTxt = new OutputStreamWriter(new FileOutputStream(file, false), "unicode");outTxt.write(sql);outTxt.close();}/** //利用已经创建的Excel工作薄,创建新的可写入的Excel工作薄 jxl.write.WritableWorkbook wwb* = Workbook.createWorkbook(new File( "F:/红楼人物1.xls"), readwb);* //读取第一张工作表 jxl.write.WritableSheet ws = wwb.getSheet(0);* //获得第一个单元格对象 jxl.write.WritableCell wc = ws.getWritableCell(0,* 0); //判断单元格的类型, 做出相应的转化 if (wc.getType() == CellType.LABEL) {* Label l = (Label) wc; l.setString("新姓名"); } //写入Excel对象* wwb.write(); wwb.close();*/} catch (Exception e) {e.printStackTrace();} finally {readwb.close();}}
}