高效率创建安全的Java应用, 第1部分 - 编程入门网
作者 佚名技术
来源 NET编程
浏览
发布时间 2012-06-13
| t; %> <%@page import="com.ibm.pdq.runtime.*" %> <%@page import="java.net.*" %> <%@page import="java.io.*" %> <html> <head> <title>securities</title> <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"> <meta name="GENERATOR" content="Rational Application Developer"> </head> <body> <!-- Here we login to the database to fetch all securities in the securities table, same database URL as before. --> <h1>Your stock and options holdings</h1> <table border="1"><tr><th>Sybmol</th><th> Description</th><th>Quantity*</th> <th>Type</th><th>Current price**</th> <th>Total value</th> <th>Quote date</th></tr> <% String userid = (String)session.getAttribute("userid"); if(userid == null){ response.sendRedirect("login.jsp"); } Data d = SampleUtil.getData("jdbc:db2://localhost:50000/WEALTH", "<enter_your_username>", "<enter_your_password>"); securities.setData(d); Iterator i = securities.getSecuritiess(userid); Securities curr = null; double total = 0; while(i.hasNext()){ curr = (Securities) i.next(); String str = "http://finance.yahoo.com/d/quotes.csv?s="+ curr.getSymbol()+"&f=nd1l1"; URL url = new URL(str); URLConnection conn = url.openConnection(); DataInputStream in = new DataInputStream ( conn.getInputStream ( ) ) ; BufferedReader br = new BufferedReader(new InputStreamReader(in)); String line = null; if(br.ready()) line = br.readLine(); String company = line.substring(line.indexOf(''"'')+1, line.indexOf(''"'', line.indexOf(''"'')+1)); String date = line.substring(line.indexOf("\",\"")+3, line.indexOf("\",", line.indexOf("\",\"")+4)); String price = line.substring(line.indexOf("\",", line.indexOf("\",\"")+4)+2); int multQuantity = curr.getQuantity(); if(curr.getSecuritytype().equals("option")) multQuantity = curr.getQuantity()*100; float totalValue = Float.parseFloat(price)*multQuantity; totalValue = (float)(Math.round(totalValue*100.0)/100.0); out.println("<tr><td>"+curr.getSymbol()+"< |
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