poi大数据将excel2007导入数据库

 package com.jeeframe.cms.updata.service.impl;

 import java.io.IOException;
 import java.io.InputStream;
 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.PreparedStatement;
 import java.sql.SQLException;
 import java.sql.Types;
 import java.util.List;

 import javax.xml.parsers.ParserConfigurationException;
 import javax.xml.parsers.SAXParser;
 import javax.xml.parsers.SAXParserFactory;

 import org.apache.poi.openxml4j.exceptions.OpenXML4JException;
 import org.apache.poi.openxml4j.opc.OPCPackage;
 import org.apache.poi.openxml4j.opc.PackageAccess;
 import org.apache.poi.xssf.eventusermodel.ReadOnlySharedStringsTable;
 import org.apache.poi.xssf.eventusermodel.XSSFReader;
 import org.apache.poi.xssf.model.StylesTable;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 import org.xml.sax.XMLReader;

 public class ExcelReader {

     /**
      * 解析并显示一个表的内容和使用指定的样式
      *
      * @param styles
      * @param strings
      * @param sheetInputStream
      */
     public static List<String[]> processSheet(StylesTable styles, ReadOnlySharedStringsTable strings,
             InputStream sheetInputStream, int minColumns)
             throws IOException, ParserConfigurationException, SAXException {

         InputSource sheetSource = new InputSource(sheetInputStream);
         SAXParserFactory saxFactory = SAXParserFactory.newInstance();
         SAXParser saxParser = saxFactory.newSAXParser();
         XMLReader sheetParser = saxParser.getXMLReader();
         ExcelReaderHandler handler = new ExcelReaderHandler(styles, strings, minColumns, System.out);

         sheetParser.setContentHandler(handler);
         sheetParser.parse(sheetSource);
         return handler.getRows();
     }

     /**
      * 解析第一个sheet
      *
      * @param path
      * @param minColumns
      * @return List<String[]>
      * @throws IOException
      * @throws OpenXML4JException
      * @throws ParserConfigurationException
      * @throws SAXException
      */
     public static List<String[]> processOneSheet(String path, int minColumns)
             throws IOException, OpenXML4JException, ParserConfigurationException, SAXException {
         OPCPackage p = OPCPackage.open(path, PackageAccess.READ);
         ReadOnlySharedStringsTable strings = new ReadOnlySharedStringsTable(p);
         XSSFReader xssfReader = new XSSFReader(p);
         StylesTable styles = xssfReader.getStylesTable();
         InputStream stream = xssfReader.getSheet("rId1");
         List<String[]> list = processSheet(styles, strings, stream, minColumns);
         stream.close();
         return list;
     }

     public static void main(String[] args) throws Exception {
         /*
          * long begin = System.currentTimeMillis() ; List<String[]> list =
          * ExcelReader.processOneSheet("d:\\201401-ds.xlsx" , 18);
          * //List<String[]> list = ExcelReader.processOneSheet("d:\\out.xlsx" ,
          * 10); for (String cell : list.get(1)) { System.out.print(cell + "  ");
          * System.out.println(cell == null); } long end =
          * System.currentTimeMillis() ; System.out.println("用时：" + (end - begin)
          * /1000 + "秒");
          */
         long begin = System.currentTimeMillis();
         System.out.println(begin);
         List<String[]> list = ExcelReader.processOneSheet("d:\\test.xlsx", 18);
         long end = System.currentTimeMillis();
         System.out.println("读取用时：" + (end - begin) / 1000 + "秒，总量：" + list.size());
         Connection conn = getNew_Conn();
         conn.setAutoCommit(false);
         PreparedStatement pstmt = conn.prepareStatement("insert into temp_table values(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)");
         for (int i = 0; i < list.size(); i++) {
             String[] row = list.get(i);
             for (int index = 1; index <= 18; index++) {
                 if (row[index - 1] == null) {
                     pstmt.setNull(index, Types.NULL);
                 } else {
                     pstmt.setObject(index, row[index - 1]);
                 }
             }

             pstmt.addBatch();
             if (i > 0 && i % 10000 == 0) {
                 pstmt.executeBatch();
                 System.out.println("提交：" + i);
             }
         }
         pstmt.executeBatch();
         conn.commit();
         pstmt.close();
         conn.close();
         end = System.currentTimeMillis();
         System.out.println("插入用时：" + (end - begin) / 1000 + "秒");
     }

     private static Connection getNew_Conn() {
         Connection conn = null;
         try {
             Class.forName("com.mysql.jdbc.Driver");
             conn = DriverManager.getConnection(
                     "jdbc:mysql://localhost:3306/jeeframe_cms?useUnicode=true&amp;characterEncoding=UTF-8", "root",
                     "1392010");
         } catch (ClassNotFoundException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
         } catch (SQLException e) {
             // TODO Auto-generated catch block
             e.printStackTrace();
         }

         return conn;
     }

 }

 package com.jeeframe.cms.updata.service.impl;

 import java.io.PrintStream;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;

 import org.apache.poi.hssf.usermodel.HSSFDateUtil;
 import org.apache.poi.ss.usermodel.BuiltinFormats;
 import org.apache.poi.ss.usermodel.DataFormatter;
 import org.apache.poi.xssf.eventusermodel.ReadOnlySharedStringsTable;
 import org.apache.poi.xssf.model.StylesTable;
 import org.apache.poi.xssf.usermodel.XSSFCellStyle;
 import org.apache.poi.xssf.usermodel.XSSFRichTextString;
 import org.xml.sax.Attributes;
 import org.xml.sax.SAXException;
 import org.xml.sax.helpers.DefaultHandler;

 public class ExcelReaderHandler extends DefaultHandler {

     /**
      * The type of the data value is indicated by an attribute on the cell. The
      * value is usually in a "v" element within the cell.
      */
     enum xssfDataType {
         BOOL, ERROR, FORMULA, INLINESTR, SSTINDEX, NUMBER,
     }

     /**
      * Table with styles
      */
     private StylesTable stylesTable;

     /**
      * Table with unique strings
      */
     private ReadOnlySharedStringsTable sharedStringsTable;

     /**
      * Destination for data
      */
     private final PrintStream output;

     /**
      * Number of columns to read starting with leftmost
      */
     private final int minColumnCount;

     // Set when V start element is seen
     private boolean vIsOpen;

     // Set when cell start element is seen;
     // used when cell close element is seen.
     private xssfDataType nextDataType;

     // Used to format numeric cell values.
     private short formatIndex;
     private String formatString;
     private final DataFormatter formatter;

     private int thisColumn = -1;
     // The last column printed to the output stream
     private int lastColumnNumber = -1;

     // Gathers characters as they are seen.
     private StringBuffer value;
     private String[] record;
     private List<String[]> rows = new ArrayList<String[]>();
     private boolean isCellNull = false;

     /**
      * Accepts objects needed while parsing.
      *
      * @param styles
      *            Table of styles
      * @param strings
      *            Table of shared strings
      * @param cols
      *            Minimum number of columns to show
      * @param target
      *            Sink for output
      */
     public ExcelReaderHandler(StylesTable styles, ReadOnlySharedStringsTable strings, int cols, PrintStream target) {
         this.stylesTable = styles;
         this.sharedStringsTable = strings;
         this.minColumnCount = cols;
         this.output = target;
         this.value = new StringBuffer();
         this.nextDataType = xssfDataType.NUMBER;
         this.formatter = new DataFormatter();
         record = new String[this.minColumnCount];
         rows.clear();// 每次读取都清空行集合
     }

     /*
      * (non-Javadoc)
      *
      * @see org.xml.sax.helpers.DefaultHandler#startElement(java.lang.String,
      * java.lang.String, java.lang.String, org.xml.sax.Attributes)
      */
     public void startElement(String uri, String localName, String name, Attributes attributes) throws SAXException {

         if ("inlineStr".equals(name) || "v".equals(name)) {
             vIsOpen = true;
             // Clear contents cache
             value.setLength(0);
         }
         // c => cell
         else if ("c".equals(name)) {
             // Get the cell reference
             String r = attributes.getValue("r");
             int firstDigit = -1;
             for (int c = 0; c < r.length(); ++c) {
                 if (Character.isDigit(r.charAt(c))) {
                     firstDigit = c;
                     break;
                 }
             }
             thisColumn = nameToColumn(r.substring(0, firstDigit));

             // Set up defaults.
             this.nextDataType = xssfDataType.NUMBER;
             this.formatIndex = -1;
             this.formatString = null;
             String cellType = attributes.getValue("t");
             String cellStyleStr = attributes.getValue("s");
             if ("b".equals(cellType))
                 nextDataType = xssfDataType.BOOL;
             else if ("e".equals(cellType))
                 nextDataType = xssfDataType.ERROR;
             else if ("inlineStr".equals(cellType))
                 nextDataType = xssfDataType.INLINESTR;
             else if ("s".equals(cellType))
                 nextDataType = xssfDataType.SSTINDEX;
             else if ("str".equals(cellType))
                 nextDataType = xssfDataType.FORMULA;
             else if (cellStyleStr != null) {
                 // It's a number, but almost certainly one
                 // with a special style or format
                 int styleIndex = Integer.parseInt(cellStyleStr);
                 XSSFCellStyle style = stylesTable.getStyleAt(styleIndex);
                 this.formatIndex = style.getDataFormat();
                 this.formatString = style.getDataFormatString();
                 if (this.formatString == null)
                     this.formatString = BuiltinFormats.getBuiltinFormat(this.formatIndex);
             }
         }
     }

     /*
      * (non-Javadoc)
      *
      * @see org.xml.sax.helpers.DefaultHandler#endElement(java.lang.String,
      * java.lang.String, java.lang.String)
      */
     public void endElement(String uri, String localName, String name) throws SAXException {

         String thisStr = null;

         // v => contents of a cell
         if ("v".equals(name)) {
             // Process the value contents as required.
             // Do now, as characters() may be called more than once
             switch (nextDataType) {

             case BOOL:
                 char first = value.charAt(0);
                 thisStr = first == '0' ? "FALSE" : "TRUE";
                 break;

             case ERROR:
                 thisStr = "\"ERROR:" + value.toString() + '"';
                 break;

             case FORMULA:
                 // A formula could result in a string value,
                 // so always add double-quote characters.
                 // thisStr = '"' + value.toString() + '"';
                 thisStr = value.toString();
                 break;

             case INLINESTR:
                 XSSFRichTextString rtsi = new XSSFRichTextString(value.toString());
                 // thisStr = '"' + rtsi.toString() + '"';
                 thisStr = rtsi.toString();
                 break;

             case SSTINDEX:
                 String sstIndex = value.toString();
                 try {
                     int idx = Integer.parseInt(sstIndex);
                     XSSFRichTextString rtss = new XSSFRichTextString(sharedStringsTable.getEntryAt(idx));
                     // thisStr = '"' + rtss.toString() + '"';
                     thisStr = rtss.toString();
                 } catch (NumberFormatException ex) {
                     output.println("Failed to parse SST index '" + sstIndex + "': " + ex.toString());
                 }
                 break;

             case NUMBER:
                 String n = value.toString();
                 // 判断是否是日期格式
                 if (HSSFDateUtil.isADateFormat(this.formatIndex, n)) {
                     Double d = Double.parseDouble(n);
                     Date date = HSSFDateUtil.getJavaDate(d);
                     thisStr = formateDateToString(date);
                 } else if (this.formatString != null)
                     thisStr = formatter.formatRawCellContents(Double.parseDouble(n), this.formatIndex,
                             this.formatString);
                 else
                     thisStr = n;
                 break;

             default:
                 thisStr = "(TODO: Unexpected type: " + nextDataType + ")";
                 break;
             }

             // Output after we've seen the string contents
             // Emit commas for any fields that were missing on this row
             if (lastColumnNumber == -1) {
                 lastColumnNumber = 0;
             }
             // 判断单元格的值是否为空
             if (thisStr == null || "".equals(isCellNull)) {
                 isCellNull = true;// 设置单元格是否为空值
             }
             record[thisColumn] = thisStr;
             // Update column
             if (thisColumn > -1)
                 lastColumnNumber = thisColumn;

         } else if ("row".equals(name)) {

             // Print out any missing commas if needed
             if (this.minColumnCount > 0) {
                 // Columns are 0 based
                 if (lastColumnNumber == -1) {
                     lastColumnNumber = 0;
                 }
                 if (isCellNull == false && record[0] != null && record[1] != null)// 判断是否空行
                 {
                     rows.add(record.clone());
                     isCellNull = false;
                     for (int i = 0; i < record.length; i++) {
                         record[i] = null;
                     }
                 }
             }
             lastColumnNumber = -1;
         }

     }

     public List<String[]> getRows() {
         return rows;
     }

     public void setRows(List<String[]> rows) {
         this.rows = rows;
     }

     /**
      * Captures characters only if a suitable element is open. Originally was
      * just "v"; extended for inlineStr also.
      */
     public void characters(char[] ch, int start, int length) throws SAXException {
         if (vIsOpen)
             value.append(ch, start, length);
     }

     /**
      * Converts an Excel column name like "C" to a zero-based index.
      *
      * @param name
      * @return Index corresponding to the specified name
      */
     private int nameToColumn(String name) {
         int column = -1;
         for (int i = 0; i < name.length(); ++i) {
             int c = name.charAt(i);
             column = (column + 1) * 26 + c - 'A';
         }
         return column;
     }

     private String formateDateToString(Date date) {
         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");// 格式化日期
         return sdf.format(date);
     }
 }