每日总结 4.23
今天进行代码的优化问题,对查询的语句进行更改。
进行金额的保留小数。
out.print(String.format("%.2f", jiage));
<!DOCTYPE HTML> <html> <head> <title>登录界面</title> <meta charset="utf-8"> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <link rel="stylesheet" type="text/css" href="css.css" /> </head> <body> <form name="form1" action="" method="post"> <h1>供货商登录</h1> <input class=input_1 id=username size=15 name="username" placeholder=用户名><br /> <input class=input_1 id=password type=text size=15 name="password" placeholder=密码><br /> <br/> <input class=input_3 type="button" onclick="login()" value="登录" /> <input class=input_3 type="button" onclick=document.form1.reset() value="重置" /> <input class=input_3 type="button" onclick="zhucea()" value="注册" /> </form> <script type="text/javascript" src="script.js"></script> </body> </html>