drawing gRaphaeljs pie chart
I was trying to draw the raphaeljs piechart. I used the same example as shown on "http://g.raphaeljs.com/piechart2.html". It renders me the text but the pie charts goes missing.Can someone please help?
please find the code below.
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
<title>g·Raphaël Dynamic Pie Chart Demo</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="author" content="Dmitry Baranovskiy">
<meta name="description" content="Charting JavaScript Library">
<link rel="stylesheet" href="demo.css" type="text/css" media="screen" charset="utf-8">
<link rel="stylesheet" href="demo-print.css" type="text/css" media="print" charset="utf-8">
<script src="raphael.js" type="text/javascript" charset="utf-8"></script>
<script src="g.raphael.js" type="text/javascript" charset="utf-8"></script>
<script src="g.pie.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript" charset="utf-8">
window.onload = function () {
var r = Raphael("holder");
r.g.txtattr.font = "12px 'Fontin Sans', Fontin-Sans, sans-serif";
r.g.text(320, 100, "Interactive Pie Chart Demo").attr({"font-size": 20});
var pie = r.g.piechart(320, 240, 100, [55, 20, 13, 32, 5, 1, 2, 10], {legend: ["%%.%% – Enterprise Users", "IE Users"], legendpos: "west", href: ["http://raphaeljs.com", "http://g.raphaeljs.com"]});
pie.hover(function () {
this.sector.stop();
this.sector.scale(1.1, 1.1, this.cx, this.cy);
if (this.label) {
this.label[0].stop();
this.label[0].scale(1.5);
this.label[1].attr({"font-weight": 800});
}
}, function () {
this.sector.animate({scale: [1, 1, this开发者_开发百科.cx, this.cy]}, 500, "bounce");
if (this.label) {
this.label[0].animate({scale: 1}, 500, "bounce");
this.label[1].attr({"font-weight": 400});
}
});
};
</script>
</head>
<body class="raphael" id="g.raphael.dmitry.baranovskiy.com">
<div id="holder"></div>
<p>
Pie chart with legend, hyperlinks on two first sectors and hover effect.
</p>
<p>
Demo of <a href="http://g.raphaeljs.com/">g·Raphaël</a> JavaScript library.
</p>
</body>
</html>
Do you have any styling on
<div id="holder"></div>
In any case, try playing with the first two values in
var pie = r.g.piechart(320, 240, ...
They determine positioning. Sounds like in your case, you want to make those smaller.
package com.book.dao;
import java.util.ArrayList; import java.sql.*;
import com.book.model.Book; import com.book.util.DBUtility;
public class BookDAO {
public ArrayList<Book> selectBooks() {
Connection conn = null;
Statement stat = null;
ResultSet rs = null;
ArrayList<Book> bookList = new ArrayList<Book>();
try {
conn = OracleDAOFactory.createConnection();
stat = conn.createStatement();
String query = "select * from books order by isbn";
rs = stat.executeQuery(query);
while (rs.next()) {
Book b = new Book();
b.setIsbn(rs.getInt(1));
b.setTitle(rs.getString(2));
b.setAuthor(rs.getString(3));
b.setPrice(rs.getFloat(4));
b.setQty(rs.getInt(5));
bookList.add(b);
}
} catch (SQLException e) {
e.printStackTrace();
} catch (Exception e) {
e.getMessage();
} finally {
DBUtility.close(conn);
DBUtility.close(stat);
DBUtility.close(rs);
}
System.out.println(bookList);
return bookList;
}
public void insertBook(Book book) { // TODO Auto-generated method
stub System.out.println("connecting....");
Connection conn = null;
Statement stat = null;
ResultSet rs = null;
try {
conn = OracleDAOFactory.createConnection();
stat = conn.createStatement();
String query="insert into books values("+book.getIsbn()+",'"+book.getTitle()+"','"+book.getAuthor()+"',"+book.getPrice()+","+book.getQty()+")";
rs=stat.executeQuery(query);
System.out.println("The query::" + query);
}
catch (SQLException e) {
e.printStackTrace();
}
catch (Exception e) {
e.getMessage();
}
finally {
DBUtility.close(conn);
DBUtility.close(stat);
DBUtility.close(rs);
}
}
public ArrayList<Book> findBook(Book book) {
Connection conn = null;
Statement stat = null;
ResultSet rs = null;
ArrayList<Book> bookList = new ArrayList<Book>();
try {
conn = OracleDAOFactory.createConnection();
stat = conn.createStatement();
String query = "select isbn,title,author,price,qty from books where isbn="+book.getIsbn()+"";
rs = stat.executeQuery(query);
if (rs.next()) {
Book b = new Book();
b.setIsbn(rs.getInt(1));
b.setTitle(rs.getString(2));
b.setAuthor(rs.getString(3));
b.setPrice(rs.getFloat(4));
b.setQty(rs.getInt(5));
bookList.add(b);
}
}
catch (SQLException e) {
e.printStackTrace();
}
catch (Exception e) {
e.getMessage();
}
finally {
DBUtility.close(conn);
DBUtility.close(stat);
DBUtility.close(rs);
}
System.out.println(bookList);
return bookList;
}
public void updateBook(Book b) {
System.out.println("connecting....");
Connection conn = null;
Statement stat = null;
ResultSet rs = null;
try {
conn = OracleDAOFactory.createConnection();
stat = conn.createStatement();
String query="update books set title='"+b.getTitle()+"',author='"+b.getAuthor()+"',price="+b.getPrice()+",qty="+b.getQty()+" where isbn="+b.getIsbn()+"";
rs=stat.executeQuery(query);
System.out.println("The query::" + query);
}
catch (SQLException e) {
e.printStackTrace();
}
catch (Exception e) {
e.getMessage();
}
finally {
DBUtility.close(conn);
DBUtility.close(stat);
DBUtility.close(rs);
}
}
public void deleteBook(Book b) {
System.out.println("connecting...."); Connection conn = null;
Statement stat = null;
ResultSet rs = null;
try {
conn = OracleDAOFactory.createConnection();
stat = conn.createStatement();
String query="delete from books where isbn="+b.getIsbn()+"";
rs=stat.executeQuery(query);
System.out.println("The query::" + query);
}
catch (SQLException e) {
e.printStackTrace();
}
catch (Exception e) {
e.getMessage();
}
finally {
DBUtility.close(conn);
DBUtility.close(stat);
DBUtility.close(rs);
}
}
public int checkBook(Book b) {
Connection conn = null;
Statement stat = null;
ResultSet rs = null;
int check = 0;
try {
conn = OracleDAOFactory.createConnection();
stat = conn.createStatement();
String query = "select isbn,title,author,price,qty from books where isbn="+b.getIsbn()+"";
rs = stat.executeQuery(query);
if (rs.next()) {
check=1;
}
}
catch (SQLException e) {
e.printStackTrace();
}
catch (Exception e) {
e.getMessage();
}
finally {
DBUtility.close(conn);
DBUtility.close(stat);
DBUtility.close(rs);
}
return check;
}
}
加载中,请稍侯......
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