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);
}
}