<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8">
<meta name="generator" content="pdf2htmlEX">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css">
<link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css">
<link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/6288833916e0ca7141fa405f/raw.css">
<script src="https://static.pudn.com/base/js/compatibility.min.js"></script>
<script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script>
<script>
try{
pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({});
}catch(e){}
</script>
<title></title>
</head>
<body>
<div id="sidebar" style="display: none">
<div id="outline">
</div>
</div>
<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6288833916e0ca7141fa405f/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">问题描述:</div><div class="t m0 x1 h3 y3 ff1 fs0 fc0 sc0 ls0 ws0">一、<span class="_ _0"> </span>需求分析:</div><div class="t m0 x1 h3 y4 ff1 fs0 fc0 sc0 ls0 ws0">二、<span class="_ _0"> </span>系统分析:</div><div class="t m0 x1 h3 y5 ff1 fs0 fc0 sc0 ls0 ws0">三、<span class="_ _0"> </span>系统设计: </div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>
</body>
</html>
<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/6288833916e0ca7141fa405f/bg2.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">四、<span class="_ _0"> </span>问题描述:</div><div class="t m0 x1 h3 y3 ff1 fs0 fc0 sc0 ls0 ws0">五、<span class="_ _0"> </span>需求分析:</div><div class="t m0 x1 h3 y4 ff1 fs0 fc0 sc0 ls0 ws0">六、<span class="_ _0"> </span>系统分析:</div><div class="t m0 x1 h3 y5 ff1 fs0 fc0 sc0 ls0 ws0">七、<span class="_ _0"> </span>系统设计: </div><div class="t m0 x1 h4 y6 ff2 fs1 fc1 sc0 ls0 ws0">using<span class="fc0"> System;</span></div><div class="t m0 x1 h4 y7 ff2 fs1 fc1 sc0 ls0 ws0">using<span class="fc0"> System.Collections.Generic;</span></div><div class="t m0 x1 h4 y8 ff2 fs1 fc1 sc0 ls0 ws0">using<span class="fc0"> System.ComponentModel;</span></div><div class="t m0 x1 h4 y9 ff2 fs1 fc1 sc0 ls0 ws0">using<span class="fc0"> System.Data;</span></div><div class="t m0 x1 h4 ya ff2 fs1 fc1 sc0 ls0 ws0">using<span class="fc0"> System.Drawing;</span></div><div class="t m0 x1 h4 yb ff2 fs1 fc1 sc0 ls0 ws0">using<span class="fc0"> System.Linq;</span></div><div class="t m0 x1 h4 yc ff2 fs1 fc1 sc0 ls0 ws0">using<span class="fc0"> System.T<span class="_ _1"></span>ext;</span></div><div class="t m0 x1 h4 yd ff2 fs1 fc1 sc0 ls0 ws0">using<span class="fc0"> System.Threading.T<span class="_ _1"></span>asks;</span></div><div class="t m0 x1 h4 ye ff2 fs1 fc1 sc0 ls0 ws0">using<span class="fc0"> System.Windows.F<span class="_ _2"></span>orms;</span></div><div class="t m0 x1 h4 yf ff2 fs1 fc1 sc0 ls0 ws0">namespace<span class="fc0"> WindowsF<span class="_ _2"></span>ormsApp1</span></div><div class="t m0 x1 h4 y10 ff2 fs1 fc0 sc0 ls0 ws0">{</div><div class="t m0 x1 h4 y11 ff2 fs1 fc0 sc0 ls0 ws0"> <span class="fc1">public</span> <span class="fc1">partial</span> <span class="fc1">class</span> <span class="fc2">F<span class="_ _2"></span>o<span class="_ _3"></span>rm1<span class="fc0"> : F<span class="_ _2"></span>or<span class="_ _2"></span>m</span></span></div><div class="t m0 x1 h4 y12 ff2 fs1 fc0 sc0 ls0 ws0"> {</div><div class="t m0 x1 h4 y13 ff2 fs1 fc0 sc0 ls0 ws0"> <span class="fc1">double</span> a = 0;</div><div class="t m0 x1 h4 y14 ff2 fs1 fc0 sc0 ls0 ws0"> <span class="fc1">double</span> b = 0;</div><div class="t m0 x1 h4 y15 ff2 fs1 fc0 sc0 ls0 ws0"> <span class="fc1">bool</span> c = <span class="fc1">false</span>;</div><div class="t m0 x1 h4 y16 ff2 fs1 fc0 sc0 ls0 ws0"> <span class="fc1">string</span> d;</div><div class="t m0 x1 h4 y17 ff2 fs1 fc0 sc0 ls0 ws0"> <span class="fc1">public</span> <span class="fc2">F<span class="_ _2"></span>o<span class="_ _3"></span>rm1<span class="fc0">()</span></span></div><div class="t m0 x1 h4 y18 ff2 fs1 fc0 sc0 ls0 ws0"> {</div></div></div><div class="pi" data-data='{"ctm":[1.611850,0.000000,0.000000,1.611850,0.000000,0.000000]}'></div></div>