excel導出爲sql

package Tools;

import java.io.BufferedWriter;

import java.io.File;

import java.io.FileWriter;

import java.io.IOException;

import java.lang.reflect.Field;

import java.util.ArrayList;

import java.util.List;

import jxl.Sheet;

import jxl.Workbook;

import entity.Student;

public class ConvertXMSToSQL {

/**

* 從xls表格中獲取數據，生成可執行的sql文件，用以插入數據庫，注意須要引入jxl包！支持int,Integer,long,Long,String

* ,可自行擴展

*

* @param args

* @throws IllegalArgumentException

* @throws IllegalAccessException

*/

public static void main(String[] args) throws IllegalArgumentException,

IllegalAccessException {

// 獲得表格中全部的數據

List<Student> listExcel = getAllByExcel( "C:\\Users\\xxx\\Desktop\\zzz.xls" );

try {

String path = "C:\\Users\\xxx\\Desktop\\convert.sql" ; // 文件保存路徑、名字

File file = new File(path);

BufferedWriter ow = new BufferedWriter( new FileWriter(file));

for (Student c : listExcel) {

String sql = "insert into cfg_avatar values (" + outSql(c)

+ ")" ;

ow.write(sql + ";" + "\n" );

} // 寫入內容

ow.close();

} catch (IOException e) {

e.printStackTrace();

}

}

/**

* 從xls中獲取數據

*

* @param file

* @return

*/

public static List<Student> getAllByExcel(String file) {

List<Student> list = new ArrayList<Student>();

try {

Workbook rwb = Workbook.getWorkbook( new File(file));

Sheet rs = rwb.getSheet( 0 );

int clos = rs.getColumns(); // 獲得全部的列

int rows = rs.getRows(); // 獲得全部的行

// 樣例中，數據從第三列第一行開始

for ( int i = 2 ; i < rows; i++) {

// 取得的每一行的全部數據存入listString

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

for ( int j = 0 ; j < clos; j++) {

String str = rs.getCell(j, i).getContents();

listString.add(str);

}

Student Student = (Student) newObject( new Student(), listString);

list.add(Student);

}

} catch (Exception e) {

e.printStackTrace();

}

return list;

}

/**

* 使用反射設置數據。此例中可設置的數據類型有限，沒有的請本身添加！！！

*

* @param obj

* @param list

* @return

* @throws IllegalArgumentException

* @throws IllegalAccessException

*/

public static Object newObject(Object obj, List<String> list)

throws IllegalArgumentException, IllegalAccessException {

Field[] field = obj.getClass().getDeclaredFields();

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

Field f = field[i];

f.setAccessible( true );

if (f.getType() == String. class ) {

f.set(obj, list.get(i));

}

if (f.getType() == Integer. class ) {

f.set(obj, Integer.parseInt(list.get(i)));

}

if (f.getType() == int . class ) {

f.set(obj, Integer.parseInt(list.get(i)));

}

if (f.getType() == Long. class ) {

f.set(obj, Long.parseLong(list.get(i)));

}

if (f.getType() == long . class ) {

f.set(obj, Long.parseLong(list.get(i)));

}

}

return obj;

}

/**

*

* @param obj

* @return

* @throws IllegalArgumentException

* @throws IllegalAccessException

*/

public static String outSql(Object obj) throws IllegalArgumentException,

IllegalAccessException {

StringBuffer buffer = new StringBuffer();

Field[] field = obj.getClass().getDeclaredFields();

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

Field f = field[i];

f.setAccessible( true );

if (f.getType() == String. class ) {

buffer.append( "'" );

}

buffer.append(f.get(obj));

if (f.getType() == String. class ) {

buffer.append( "'" );

}

if (i < field.length - 1 ) {

buffer.append( "," );

}

}

return buffer.toString();

}

}